Multi-phase and shifted phase power distribution systems

Claim 2

An arrangement for transforming electrical power, comprising: conductor means for electrically connecting to an input source of three phase electrical power operating at an input source power frequency; and a transforming device electrically connected to the conductor means, the transforming device including means for transforming the input source of three phase electrical power into two output phases separated from one another by approximately 180 electrical degrees, each output phase having an output phase frequency substantially equal to the input source power frequency, and means for reducing the level of instantaneous power drawn from the input source by shifting each output phase a predetermined number of electrical degrees from one of the three phases of the input source at the output phase frequency.

Claim 3

The arrangement of claim 1, wherein the transforming means includes a first transformer and the means for reducing the level of instantaneous power drawn from the input source includes a second transformer.

Claim 4

The arrangement of claim 2, wherein the second transformer receives power from two phases of the three phase input source one of which is different than two phases of the three phase input source powering the first transformer.

Claim 5

The arrangement of claim 1, wherein the predetermined number of electrical degrees is greater than zero electrical degrees and less than 180 electrical degrees.

Claim 6

The arrangement of claim 4, wherein the predetermined number of electrical degrees is approximately 30 electrical degrees.

Claim 7

The arrangement of claim 1, wherein the input source power frequency is substantially equal to 60 Hertz.

Claim 8

An arrangement for transforming electrical power, comprising: conductor means for electrically connecting the arrangement to an input source of three phase electrical power; and means electrically connected to the conductor means for transforming the input source into first, second, and third sets of two output phases, the output phases of each of the first, second, and third sets being separated from one another by approximately 180 electrical degrees and each shifted from one of the phases of the input source by a predetermined number of electrical degrees, the transforming means comprising: a first primary winding electrically connected by the conductor means to two of the three phases of the input source; a second primary winding electrically connected by the conductor means to two of the three phases of the input source; a third primary winding electrically connected by the conductor means to two of the three phases of the input source; a first secondary winding associated with the first primary winding and having two output phases separated from one another by approximately 180 electrical degrees; a second secondary winding associated with the second primary winding and having two output phases separated from one another by approximately 180 electrical degrees; a third secondary winding associated with the third primary winding and having two output phases separated from one another by approximately 180 electrical degrees; a first pair of minor secondary windings associated with the first primary winding, one of each of the first pair of minor secondary windings being electrically connected in series with a different one of the two output phases of the second secondary winding to produce a predetermined number of electrical degrees of phase shift between the two output phases of the secondary winding and one of the phases of the input source connected to the second primary winding; a second pair of minor secondary windings associated with the second primary winding, one of each of the second pair of minor secondary windings being electrically connected in series with a different one of the two output phases of the third secondary winding to produce the predetermined number of electrical degrees of phase shift between the two output phases of the third secondary winding and one of the two phases of the input source connected to the third primary winding; and a third pair of minor secondary windings associated with the third primary winding, one of each of the third pair of minor secondary windings being electrically connected in series with a different one of the two output phases of the first secondary winding to produce the predetermined number of electrical degrees of phase shift between the two output phases of the first secondary winding and one of the two phases of the input source connected to the first primary winding.

Claim 9

An arrangement for transforming electrical power, comprising: conductor means for electrically connecting the arrangement to an input source of three phase electrical power; and means electrically connected to the conductor means for transforming the input source into first, second, and third sets of two output phases, the output phases of each of the first, second, and third sets being separated from one another by approximately 180 electrical degrees and each shifted from one of the phases of the input source by a predetermined number of electrical degrees, the transforming means comprising: a first primary winding electrically connected by the conductor means to two of the three phases of the input source; a second primary winding electrically connected by the conductor means to two of the three phases of the input source; a third primary winding electrically connected by the conductor means to two of the three phases of the input source; a first secondary winding associated with the first primary winding and having two output phases separated from one another by approximately 180 electrical degrees; a second secondary winding associated with the second primary winding and having two output phases separated from one another by approximately 180 electrical degrees; a third secondary winding associated with the third primary winding and having two output phases separated from one another by approximately 180 electrical degrees; a first pair of minor secondary windings associated with the first primary winding, one of each of the first pair of minor secondary windings being electrically connected in series with a different one of the two output phases of the second secondary winding to produce a predetermined number of electrical degrees of phase shift between the two output phases of the secondary winding and one of the phases of the input source connected to the second primary winding; a second pair of minor secondary windings associated with the second primary winding, one of each of the second pair of minor secondary windings being electrically connected in series with a different one of the two output phases of the third secondary winding to produce the predetermined number of electrical degrees of phase shift between the two output phases of the third secondary winding and one of the two phases of the input source connected to the third primary winding; and a third pair of minor secondary windings associated with the third primary winding, one of each of the third pair of minor secondary windings being electrically connected in series with a different one of the two output phases of the first secondary winding to produce the predetermined number of electrical degrees of phase shift between the two output phases of the first secondary winding and one of the two phases of the input source connected to the first primary winding.

Claim 10

The arrangement of claim 7, wherein the predetermined number of electrical degrees is approximately 15 electrical degrees for first output phases of each of the first, second, and the secondary windings and approximately 195 electrical degrees for second output phases of each of the first, second, and third secondary windings.

Claim 11

The arrangement of claim 8, wherein center taps of the first, second, and third secondary windings are connected to a grounded conductor.

Claim 12

An arrangement for transforming electrical power, comprising: conductor means for electrically connecting the arrangement to an input source of three phase electrical power; and means electrically connected to the conductor means for transforming the input source into first, second, and third sets of two output phases, the output phases of each of the first, second, and third sets being separated from one another by approximately 180 electrical degrees and each shifted from one of the phases of the input source by a predetermined number of electrical degrees; wherein the predetermined number of electrical degrees is approximately 15 electrical degrees for first output phases of each of the first, second, and third sets and is approximately 195 electrical degrees for second output phases of the first, second, and third sets.

Claim 13

An arrangement for transforming electrical power, comprising: conductor means for electrically connecting the arrangement to an input source of three phase electrical power; and means electrically connected to the conductor means for transforming the input source into first, second, and third sets of two output phases, the output phases of each of the first, second, and third sets being separated from one another by approximately 180 electrical degrees and each shifted from one of the phases of the input source by a predetermined number of electrical degrees; wherein the predetermined number of electrical degrees is approximately 15 electrical degrees for first output phases of each of the first, second, and third sets and is approximately 195 electrical degrees for second output phases of the first, second, and third sets.

Claim 14

An arrangement for transforming electrical power, comprising: an input source of three phase electrical power; and three sets of two-phase output transformers, each set including first and second two-phase output transformers, a first output phase of each of the first transformers from the three sets leading a different one of the three phases of the input source by approximately 15 electrical degrees, a second output phase of each of the first transformers from the three sets leading a different one of the three phases of the input source by approximately 195 electrical degrees, a first output phase of each of the second transformers from the three sets lagging a different one of the three phases of the input source by approximately 15 electrical degrees, and a second output phase of each of the second transformers from the three sets lagging a different one of the three phases of the input source by approximately 195 electrical degrees.

Claim 15

An arrangement for transforming electrical power, comprising: an input source of three phase electrical power; and three sets of two-phase output transformers, each set including first and second two-phase output transformers, a first output phase of each of the first transformers from the three sets leading a different one of the three phases of the input source by approximately 15 electrical degrees, a second output phase of each of the first transformers from the three sets leading a different one of the three phases of the input source by approximately 195 electrical degrees, a first output phase of each of the second transformers from the three sets lagging a different one of the three phases of the input source by approximately 15 electrical degrees, and a second output phase of each of the second transformers from the three sets lagging a different one of the three phases of the input source by approximately 195 electrical degrees.

Claim 16

A power distribution system comprising a first set of three transformers, each transformer having means for transforming an input source of three phase electrical power into first and second output phases separated from one another by approximately 180 electrical degrees and both leading a different one of the three phases of the input source by a predetermined number of electrical degrees, and a second set of three transformers, each transformer having means for transforming the input source of three phase electrical power into first and second output phases separated from one another by approximately 180 electrical degrees and both lagging a different one of the three phases of the input source by the predetermined number of electrical degrees.

Claim 17

A power distribution system comprising a first set of three transformers, each transformer having means for transforming an input source of three phase electrical power into first and second output phases separated from one another by approximately 180 electrical degrees and both leading a different one of the three phases of the input source by a predetermined number of electrical degrees, and a second set of three transformers, each transformer having means for transforming the input source of three phase electrical power into first and second output phases separated from one another by approximately 180 electrical degrees and both lagging a different one of the three phases of the input source by the predetermined number of electrical degrees.

Claim 18

The power distribution system of claim 12, wherein the first output phases of the first set of three transformers each lead a different one of the three phases of the input source by approximately 15 electrical degrees, the second output phases of the first set of three transformers each lead a different one of the three phases of the input source by approximately 195 electrical degrees, the first output phases of the second set of three transformers each lag a different one of the three phases of the input source by approximately 15 electrical degrees, and the second output phases of the second set of three transformers each lag a different one of the three phases of the input source by approximately 195 electrical degrees.

Claim 19

An arrangement for transforming electrical power, comprising: conductor means for electrically connecting to an input source of three phase electrical power operating at an input source power frequency; and a transforming device electrically connected to the conductor means, the transforming device including means for transforming the input source of three phase electrical power into a first set of two output phases and a second set of two output phases, the output phases of the first set being separated from one another by approximately 180 electrical degrees and each having an output-phase frequency substantially equal to the input source power frequency, and the output phases of the second set being separated from one another by approximately 180 electrical degrees and each having an output phase frequency substantially equal to the input source power frequency, and means for reducing the level of instantaneous power drawn from the input source by shifting each output phase a predetermined number of electrical degrees from one of the three phases of the input source at the output phase frequency.

Claim 20

An arrangement for transforming electrical power, comprising: conductor means for electrically connecting to an input source of three phase electrical power operating at an input source power frequency; and a transforming device electrically connected to the conductor means, the transforming device including means for transforming the input source of three phase electrical power into a first set of two output phases and a second set of two output phases, the output phases of the first set being separated from one another by approximately 180 electrical degrees and each having an output-phase frequency substantially equal to the input source power frequency, and the output phases of the second set being separated from one another by approximately 180 electrical degrees and each having an output phase frequency substantially equal to the input source power frequency, and means for reducing the level of instantaneous power drawn from the input source by shifting each output phase a predetermined number of electrical degrees from one of the three phases of the input source at the output phase frequency.

Claim 21

The arrangement of claim 14, wherein the transforming means and means for reducing the level of instantaneous power drawn from the input source include first and second transformers.

Claim 22

The arrangement of claim 15, wherein the second transformer receives plower from two phases of the three phase input source, one of which is different than two phases of the three phase input source powering the first transformer.

Claim 23

The arrangement of claim 14, wherein the predetermined number of electrical degrees is greater than zero electrical degrees and less than 180 electrical degrees.

Claim 24

The arrangement of claim 17, wherein the predetermined number of electrical degrees is approximately 30 electrical degrees.

Claim 25

The arrangement of claim 14, wherein the input source power frequency is substantially equal to 60 Hertz.

Claim 26

The arrangement of claim 14, wherein the first set of two output phases is shifted a predetermined number of electrical degrees from a different one of the three phases of the input source than the second set of two output phases.

Claim 27

A power distribution system, comprising: two six-phase output transformers, each having means for transforming an input source of three phase electrical power into first, second, third, fourth, fifth, and sixth output phases, the first and second output phases of each transformer being separated from one another by approximately 180 electrical degrees and shifted by a predetermined number of electrical degrees from one of the three phases of the input source, the third and fourth output phases of each transformer being separated from one another by approximately 180 electrical degrees and shifted by the predetermined number of electrical degrees from one of the three phases of the input source, and the fifth and sixth output phases of each transformer being separated from one another by approximately 180 electrical degrees and shifted by the predetermined number of electrical degrees from one of the three phases of the input source.

Claim 28

A power distribution system, comprising: two six-phase output transformers, each having means for transforming an input source of three phase electrical power into first, second, third, fourth, fifth, and sixth output phases, the first and second output phases of each transformer being separated from one another by approximately 180 electrical degrees and shifted by a predetermined number of electrical degrees from one of the three phases of the input source, the third and fourth output phases of each transformer being separated from one another by approximately 180 electrical degrees and shifted by the predetermined number of electrical degrees from one of the three phases of the input source, and the fifth and sixth output phases of each transformer being separated from one another by approximately 180 electrical degrees and shifted by the predetermined number of electrical degrees from one of the three phases of the input source.

Claim 29

The power distribution system of claim 21, wherein the predetermined number of electrical degrees is approximately 15 electrical degrees for the first, third, and fifth output phases and approximately 195 electrical degrees for the second, fourth, and sixth output phases.

Claim 32

An arrangement for transforming electrical power, comprising: conductor means for electrically connecting the arrangement to at least two phases of an input source of three phase electrical power; and means electrically connected to the conductor means for transforming the at least two phases of the input source into a first set of two output phases and a second set of two output phases, the output phases of the first set being separated from one another by approximately 180 electrical degrees and each shifted from one of the at least two phases of the input source by a predetermined number of electrical degrees, and the output phases of the second set being separated from one another by approximately 180 electrical degrees and each shifted the predetermined number of electrical degrees from a different one of the at least two phases of the input source; wherein the transforming means is electrically connected to the conductor means so that a first output phase of the first set leads a first phase of the input source by approximately 15 electrical degrees, a second output phase of the first set leads the first phase of the input source by approximately 195 electrical degrees, a first output phase of the second set lags a second phase of the input source by approximately 15 electrical degrees, and a second output phase of the second set lags the second phase of the input source by approximately 195 electrical degrees, and further wherein the first phase of the input source leads the second phase of the input source by approximately 120 electrical degrees.

Claim 33

An arrangement for transforming electrical power, comprising: conductor means for electrically connecting the arrangement to at least two phases of an input source of three phase electrical power; and means electrically connected to the conductor means for transforming the at least two phases of the input source into a first set of two output phases and a second set of two output phases, the output phases of the first set being separated from one another by approximately 180 electrical degrees and each shifted from one of the at least two phases of the input source by a predetermined number of electrical degrees, and the output phases of the second set being separated from one another by approximately 180 electrical degrees and each shifted the predetermined number of electrical degrees from a different one of the at least two phases of the input source; wherein the transforming means is electrically connected to the conductor means so that a first output phase of the first set leads a first phase of the input source by approximately 15 electrical degrees, a second output phase of the first set leads the first phase of the input source by approximately 195 electrical degrees, a first output phase of the second set lags a second phase of the input source by approximately 15 electrical degrees, and a second output phase of the second set lags the second phase of the input source by approximately 195 electrical degrees, and further wherein the first phase of the input source leads the second phase of the input source by approximately 120 electrical degrees.

Claim 34

A power distribution system, comprising three four-output transformers, each having means for transforming an input source of three-phase electrical power into first, second, third, and fourth outputs, the first and second outputs being separated from one another by approximately 180 electrical degrees and shifted by a predetermined number of electrical degrees from one of the three phases of the input source, the third and fourth outputs being separated from one another by approximately 180 electrical degrees and shifted by the predetermined number of electrical degrees from one of the three phases of the input source.

Claim 35

A power distribution system, comprising three four-output transformers, each having means for transforming an input source of three-phase electrical power into first, second, third, and fourth outputs, the first and second outputs being separated from one another by approximately 180 electrical degrees and shifted by a predetermined number of electrical degrees from one of the three phases of the input source, the third and fourth outputs being separated from one another by approximately 180 electrical degrees and shifted by the predetermined number of electrical degrees from one of the three phases of the input source.

Claim 36

The power distribution system of claim 25, wherein the transforming means of each transformer is electrically connected to two phases of the three-phase input source.

Claim 37

The power distribution system of claim 25, wherein the predetermined number of electrical degrees is approximately 15 electrical degrees for the first and third output phases and approximately 195 electrical degrees for the second and fourth output phases.

Claim 38

An arrangement for transforming electrical power, comprising: conductor means for electrically connecting to an input source of three phase electrical power operating at an input source power frequency; and a transforming device electrically connected to the conductor means, the transforming device including means for transforming the input source into first, second, and third sets of two output phases, the output phases of each of the first, second, and third sets being separated from one another by approximately 180 electrical degrees and each having an output phase frequency substantially equal to the input source power frequency, and means for reducing the level of instantaneous power drawn from the input source by shifting each output phase a predetermined number of electrical degrees from one of the three phases of the input source at the output phase frequency.

Claim 39

An arrangement for transforming electrical power, comprising: conductor means for electrically connecting to an input source of three phase electrical power operating at an input source power frequency; and a transforming device electrically connected to the conductor means, the transforming device including means for transforming the input source into first, second, and third sets of two output phases, the output phases of each of the first, second, and third sets being separated from one another by approximately 180 electrical degrees and each having an output phase frequency substantially equal to the input source power frequency, and means for reducing the level of instantaneous power drawn from the input source by shifting each output phase a predetermined number of electrical degrees from one of the three phases of the input source at the output phase frequency.

Claim 40

The arrangement of claim 28, wherein the transforming means and means for reducing the level of instantaneous power drawn from the input source include first, second, and third transformers.

Claim 41

The arrangement of claim 29, wherein the second and third transformers receive power from two phases of the three phase input source, one of each of which is different than two phases of the three phase input source powering the first transformer.

Claim 42

The arrangement of claim 28, wherein the predetermined number of electrical degrees is greater than zero electrical degrees and less than 180 electrical degrees.

Claim 43

The arrangement of claim 31, wherein the predetermined number of electrical degrees is approximately 30 electrical degrees.

Claim 44

The arrangement of claim 28, wherein the input source power frequency is substantially equal to 60 Hertz.

Claim 45

The arrangement of claim 28, wherein the second and third sets of output phases are shifted a predetermined number of electrical degrees from a different phase of the three phase input source than the first set of output phases.

Claim 46

The arrangement of claim 34, wherein the second and third sets of output phases are each shifted from a different one of the three phases of the input source.

Claim 51

An arrangement for transforming electrical power, comprising: conductor means for electrically connecting to an input source of three phase electrical power; and means electrically connected to the conductor means for transforming the input source of three phase electrical power into two output phases separated from one another by approximately 180 electrical degrees and each shifted from one of the three phases of the input source a predetermined number of electrical degrees; wherein a first output phase of the transforming means is shifted from one of the three phases of the input source by approximately 15 electrical degrees and a second output phase of the transforming means is shifted from the same phase of the input source by approximately 195 electrical degrees.

Claim 52

An arrangement for transforming electrical power, comprising: conductor means for electrically connecting to an input source of three phase electrical power; and means electrically connected to the conductor means for transforming the input source of three phase electrical power into two output phases separated from one another by approximately 180 electrical degrees and each shifted from one of the three phases of the input source a predetermined number of electrical degrees; wherein a first output phase of the transforming means is shifted from one of the three phases of the input source by approximately 15 electrical degrees and a second output phase of the transforming means is shifted from the same phase of the input source by approximately 195 electrical degrees.

Claim 53

An arrangement for transforming electrical power, comprising: conductor means for electrically connecting to an input source of three phase electrical power; and means electrically connected to the conductor means for transforming the input source of three phase electrical power into two output phases separated from one another by approximately 180 electrical degrees and each shifted from one of the three phases of the input source a predetermined number of electrical degrees, the transforming means comprising: a major primary winding electrically connected by the conductor means to two of the three phases of the input source; a minor primary winding electrically connected by the conductor means to two of the three input phases of the input source; a major secondary winding associated with the major primary winding and having two output phases separated by approximately 180 electrical degrees; and a pair of minor secondary windings associated with the minor primary winding, one of each of the minor secondary windings being electrically connected in series with a different one of the two output phases of the major secondary winding to produce a predetermined number of electrical degrees of phase shift between the two output phases and one of the phases of the input source.

Claim 54

An arrangement for transforming electrical power, comprising: conductor means for electrically connecting to an input source of three phase electrical power; and means electrically connected to the conductor means for transforming the input source of three phase electrical power into two output phases separated from one another by approximately 180 electrical degrees and each shifted from one of the three phases of the input source a predetermined number of electrical degrees, the transforming means comprising: a major primary winding electrically connected by the conductor means to two of the three phases of the input source; a minor primary winding electrically connected by the conductor means to two of the three input phases of the input source; a major secondary winding associated with the major primary winding and having two output phases separated by approximately 180 electrical degrees; and a pair of minor secondary windings associated with the minor primary winding, one of each of the minor secondary windings being electrically connected in series with a different one of the two output phases of the major secondary winding to produce a predetermined number of electrical degrees of phase shift between the two output phases and one of the phases of the input source.

Claim 55

The arrangement of claim 39, wherein the predetermined number of electrical degrees is approximately 15 electrical degrees for one of the two output phases of the major secondary winding and approximately 195 electrical degrees for the other output phase of the major secondary winding.

Claim 56

The arrangement of claim 39, wherein the major primary winding and major secondary winding consume approximately three times more power from the input source than the minor primary winding and the pair of minor secondary windings.

Claim 57

The arrangement of claim 39, wherein a center tap of the major secondary winding is connected to a grounded conductor.

Claim 58

An arrangement for transforming electrical power, comprising: conductor means for electrically connecting to an input source of three phase electrical power; and means electrically connected to the conductor means for transforming the input source of three phase electrical power into two output phases separated from one another by approximately 180 electrical degrees and each shifted from one of the three phases of the input source a predetermined number of electrical degrees, the transforming means comprising: a major primary winding electrically connected by the conductor means to one of the three phases of the input source and a neutral conductor; a minor primary winding electrically connected by the conductor means to a different one of the three phases of the input source and the neutral conductor; a major secondary winding associated with the major primary winding and having two output phases separated by approximately 180 electrical degrees; and a pair of minor secondary windings associated with the minor primary winding, one of each of the minor secondary windings being electrically connected in series with a different one of the two output phases of the major secondary winding to produce a predetermined number of electrical degrees of phase shift between the two output phases and one of the phases of the input source.

Claim 59

An arrangement for transforming electrical power, comprising: conductor means for electrically connecting to an input source of three phase electrical power; and means electrically connected to the conductor means for transforming the input source of three phase electrical power into two output phases separated from one another by approximately 180 electrical degrees and each shifted from one of the three phases of the input source a predetermined number of electrical degrees, the transforming means comprising: a major primary winding electrically connected by the conductor means to one of the three phases of the input source and a neutral conductor; a minor primary winding electrically connected by the conductor means to a different one of the three phases of the input source and the neutral conductor; a major secondary winding associated with the major primary winding and having two output phases separated by approximately 180 electrical degrees; and a pair of minor secondary windings associated with the minor primary winding, one of each of the minor secondary windings being electrically connected in series with a different one of the two output phases of the major secondary winding to produce a predetermined number of electrical degrees of phase shift between the two output phases and one of the phases of the input source.

Claim 60

The arrangement of claim 43, wherein the predetermined number of electrical degrees is approximately 15 electrical degrees for one of the two output phases of the major secondary winding and approximately 195 electrical degrees for the other output phase of the major secondary winding.

Claim 61

The arrangement of claim 43, wherein the major primary winding and major secondary winding consume approximately three times more power from the input source than the minor primary winding and minor secondary winding.

Claim 62

The arrangement of claim 43, wherein a center tap of the major secondary winding is connected to a grounded conductor.

Claim 63

An arrangement for transforming electrical power, comprising: conductor means for electrically connecting the arrangement to at least two phases of an input source of three phase electrical power; and means electrically connected to the conductor means for transforming the at least two phases of the input source into a first set of two output phases and a second set of two output phases, the output phases of the first set being separated from one another by approximately 180 electrical degrees and each shifted from one of the at least two phases of the input source by a predetermined number of electrical degrees, and the output phases of the second set being separated from one another by approximately 180 electrical degrees and each shifted the predetermined number of electrical degrees from a different one of the at least two phases of the input source; wherein a first output phase of the first set is shifted from the phase of the input source by approximately 15 electrical degrees, a second output phase of the first set is shifted from the phase of the input source by approximately 195 electrical degrees, a first output phase of the second set is shifted from the different phase of the input source by approximately 15 electrical degrees, and a second output phase of the second set is shifted from the different phase of the input source by approximately 195 electrical degrees.

Claim 64

An arrangement for transforming electrical power, comprising: conductor means for electrically connecting the arrangement to at least two phases of an input source of three phase electrical power; and means electrically connected to the conductor means for transforming the at least two phases of the input source into a first set of two output phases and a second set of two output phases, the output phases of the first set being separated from one another by approximately 180 electrical degrees and each shifted from one of the at least two phases of the input source by a predetermined number of electrical degrees, and the output phases of the second set being separated from one another by approximately 180 electrical degrees and each shifted the predetermined number of electrical degrees from a different one of the at least two phases of the input source; wherein a first output phase of the first set is shifted from the phase of the input source by approximately 15 electrical degrees, a second output phase of the first set is shifted from the phase of the input source by approximately 195 electrical degrees, a first output phase of the second set is shifted from the different phase of the input source by approximately 15 electrical degrees, and a second output phase of the second set is shifted from the different phase of the input source by approximately 195 electrical degrees.

Claim 65

An arrangement for transforming electrical power, comprising: conductor means for electrically connecting the arrangement to at least two phases of an input source of three phase electrical power; and means electrically connected to the conductor means for transforming the at least two phases of the input source into a first set of two output phases and a second set of two output phases, the output phases of the first set being separated from one another by approximately 180 electrical degrees and each shifted from one of the at least two phases of the input source by a predetermined number of electrical degrees, and the output phases of the second set being separated from one another by approximately 180 electrical degrees and each shifted the predetermined number of electrical degrees from a different one of the at least two phases of the input source, the transforming means comprising: a first primary winding electrically connected by the conductor means to two of the three phases of the input source; a second primary winding electrically connected by the conductor means to two of the three phases of the input source; a first secondary winding associated with the first primary winding and having two output phases separated from one another by approximately 180 electrical degrees; a second secondary winding associated with the second primary winding and having two output phases separated from one another by approximately 180 electrical degrees; a first pair of minor secondary windings associated with the first primary winding, one of each of the first pair of minor secondary windings being electrically connected in series with a different one of the two output phases of the second secondary winding to produce a predetermined number of electrical degrees of phase shift between the two output phases of the secondary winding and one of the phases of the input source connected to the second primary winding; and a second pair of minor secondary windings associated with the second primary winding, one of each of the second pair of minor secondary windings being electrically connected in series with a different one of the two output phases of the first secondary winding to produce the predetermined number of electrical degrees of phase shift between the two output phases of the first secondary winding and one of the two phases of the input source connected to the first primary winding.

Claim 66

An arrangement for transforming electrical power, comprising: conductor means for electrically connecting the arrangement to at least two phases of an input source of three phase electrical power; and means electrically connected to the conductor means for transforming the at least two phases of the input source into a first set of two output phases and a second set of two output phases, the output phases of the first set being separated from one another by approximately 180 electrical degrees and each shifted from one of the at least two phases of the input source by a predetermined number of electrical degrees, and the output phases of the second set being separated from one another by approximately 180 electrical degrees and each shifted the predetermined number of electrical degrees from a different one of the at least two phases of the input source, the transforming means comprising: a first primary winding electrically connected by the conductor means to two of the three phases of the input source; a second primary winding electrically connected by the conductor means to two of the three phases of the input source; a first secondary winding associated with the first primary winding and having two output phases separated from one another by approximately 180 electrical degrees; a second secondary winding associated with the second primary winding and having two output phases separated from one another by approximately 180 electrical degrees; a first pair of minor secondary windings associated with the first primary winding, one of each of the first pair of minor secondary windings being electrically connected in series with a different one of the two output phases of the second secondary winding to produce a predetermined number of electrical degrees of phase shift between the two output phases of the secondary winding and one of the phases of the input source connected to the second primary winding; and a second pair of minor secondary windings associated with the second primary winding, one of each of the second pair of minor secondary windings being electrically connected in series with a different one of the two output phases of the first secondary winding to produce the predetermined number of electrical degrees of phase shift between the two output phases of the first secondary winding and one of the two phases of the input source connected to the first primary winding.

Claim 67

The arrangement of claim 48, wherein the predetermined number of electrical degrees is approximately 15 electrical degrees for first output phases of the first and second secondary windings and approximately 195 electrical degrees for second output phases of the first and second secondary windings.

Claim 68

The arrangement of claim 48, wherein center taps of the first and second secondary windings are connected to a grounded conductor.

Claim 69

An arrangement for transforming electrical power, comprising: conductor means for electrically connecting the arrangement to at least two phases of an input source of three phase electrical power; and means electrically connected to the conductor means for transforming the at least two phases of the input source into a first set of two output phases and a second set of two output phases, the output phases of the first set being separated from one another by approximately 180 electrical degrees and each shifted from one of the at least two phases of the input source by a predetermined number of electrical degrees, and the output phases of the second set being separated from one another by approximately 180 electrical degrees and each shifted the predetermined number of electrical degrees from a different one of the at least two phases of the input source; wherein the input source comprises first, second, and third phases and further wherein the transforming means comprises: a first primary winding electrically connected by the conductor means to the first phase of the input source and a neutral conductor; a second primary winding electrically connected by the conductor means to the second phase of the input source and the neutral conductor; a first secondary winding associated with the first primary winding and having two output phases separated from one another by approximately 180 electrical degrees; a second secondary winding associated with the second primary winding and having two output phases separated from one another by approximately 180 electrical degrees; a first pair of minor secondary windings associated with the first primary winding, one of each of the first pair of minor secondary windings being electrically connected in series with a different one of the two output phases of the second secondary winding to produce a predetermined number of electrical degrees of phase shift between the two output phases of the second secondary winding and the second phase of the input source; a second pair of minor secondary windings associated with the second primary winding, one of each of the second pair of minor secondary windings being electrically connected in series with a different one of the two output phases of the first secondary winding to produce the predetermined number of electrical degrees of phase shift between the two output phases of the first secondary winding and the first phase of the input source.

Claim 70

An arrangement for transforming electrical power, comprising: conductor means for electrically connecting the arrangement to at least two phases of an input source of three phase electrical power; and means electrically connected to the conductor means for transforming the at least two phases of the input source into a first set of two output phases and a second set of two output phases, the output phases of the first set being separated from one another by approximately 180 electrical degrees and each shifted from one of the at least two phases of the input source by a predetermined number of electrical degrees, and the output phases of the second set being separated from one another by approximately 180 electrical degrees and each shifted the predetermined number of electrical degrees from a different one of the at least two phases of the input source; wherein the input source comprises first, second, and third phases and further wherein the transforming means comprises: a first primary winding electrically connected by the conductor means to the first phase of the input source and a neutral conductor; a second primary winding electrically connected by the conductor means to the second phase of the input source and the neutral conductor; a first secondary winding associated with the first primary winding and having two output phases separated from one another by approximately 180 electrical degrees; a second secondary winding associated with the second primary winding and having two output phases separated from one another by approximately 180 electrical degrees; a first pair of minor secondary windings associated with the first primary winding, one of each of the first pair of minor secondary windings being electrically connected in series with a different one of the two output phases of the second secondary winding to produce a predetermined number of electrical degrees of phase shift between the two output phases of the second secondary winding and the second phase of the input source; a second pair of minor secondary windings associated with the second primary winding, one of each of the second pair of minor secondary windings being electrically connected in series with a different one of the two output phases of the first secondary winding to produce the predetermined number of electrical degrees of phase shift between the two output phases of the first secondary winding and the first phase of the input source.

Claim 71

The arrangement of claim 51, wherein the predetermined number of electrical degrees is approximately 15 electrical degrees for first output phases of the first and second secondary windings and approximately 195 electrical degrees for second output phases of the first and second secondary windings.

Claim 72

The arrangement of claim 51, wherein center taps of the first and second secondary windings are connected to a grounded conductor.

Claim 73

An arrangement for transforming electrical power, comprising: conductor means for electrically connecting the arrangement to at least two phases of an input source of three phase electrical power; and means electrically connected to the conductor means for transforming the at least two phases of the input source into a first set of two output phases and a second set of two output phases, the output phases of the first set being separated from one another by approximately 180 electrical degrees and each shifted from one of the at least two phases of the input source by a predetermined number of electrical degrees, and the output phases of the second set being separated from one another by approximately 180 electrical degrees and each shifted the predetermined number of electrical degrees from a different one of the at least two phases of the input source; wherein the transforming means is electrically connected to the conductor means so that a first output phase of the first set lags a first phase of the input source by approximately 15 electrical degrees, a second output phase of the first set lags the first phase of the input source by approximately 195 electrical degrees, a first output phases of the second set leads a second phase of the input source by approximately 15 electrical degrees, and a second output phase of the second set leads the second phase of the input source by approximately 195 electrical degrees, and further wherein the first phase of the input source leads the second phase of the input source by approximately 120 electrical degrees.

Claim 74

An arrangement for transforming electrical power, comprising: conductor means for electrically connecting the arrangement to at least two phases of an input source of three phase electrical power; and means electrically connected to the conductor means for transforming the at least two phases of the input source into a first set of two output phases and a second set of two output phases, the output phases of the first set being separated from one another by approximately 180 electrical degrees and each shifted from one of the at least two phases of the input source by a predetermined number of electrical degrees, and the output phases of the second set being separated from one another by approximately 180 electrical degrees and each shifted the predetermined number of electrical degrees from a different one of the at least two phases of the input source; wherein the transforming means is electrically connected to the conductor means so that a first output phase of the first set lags a first phase of the input source by approximately 15 electrical degrees, a second output phase of the first set lags the first phase of the input source by approximately 195 electrical degrees, a first output phases of the second set leads a second phase of the input source by approximately 15 electrical degrees, and a second output phase of the second set leads the second phase of the input source by approximately 195 electrical degrees, and further wherein the first phase of the input source leads the second phase of the input source by approximately 120 electrical degrees.

Claim 75

An arrangement for transforming electrical power, comprising: conductor means for electrically connecting the arrangement to at least two phases of an input source of three phase electrical power; and means electrically connected to the conductor means for transforming the at least two phases of the input source into a first set of two output phases and a second set of two output phases, the output phases of the first set being separated from one another by approximately 180 electrical degrees and each shifted from one of the at least two phases of the input source by a predetermined number of electrical degrees, and the output phases of the second set being separated from one another by approximately 180 electrical degrees and each shifted the predetermined number of electrical degrees from a different one of the at least two phases of the input source; wherein the transforming means is electrically connected to the conductor means so that a first output phase of the first set lags a first phase of the input source by approximately 15 electrical degrees, a second output phase of the first set lags the first phase of the input source by approximately 195 electrical degrees, a first output phase of the second set leads the first phase of the input source by approximately 15 electrical degrees, and a second output phase of the second set leads the first phase of the input source by approximately 195 electrical degrees.

Claim 76

An arrangement for transforming electrical power, comprising: conductor means for electrically connecting the arrangement to at least two phases of an input source of three phase electrical power; and means electrically connected to the conductor means for transforming the at least two phases of the input source into a first set of two output phases and a second set of two output phases, the output phases of the first set being separated from one another by approximately 180 electrical degrees and each shifted from one of the at least two phases of the input source by a predetermined number of electrical degrees, and the output phases of the second set being separated from one another by approximately 180 electrical degrees and each shifted the predetermined number of electrical degrees from a different one of the at least two phases of the input source; wherein the transforming means is electrically connected to the conductor means so that a first output phase of the first set lags a first phase of the input source by approximately 15 electrical degrees, a second output phase of the first set lags the first phase of the input source by approximately 195 electrical degrees, a first output phase of the second set leads the first phase of the input source by approximately 15 electrical degrees, and a second output phase of the second set leads the first phase of the input source by approximately 195 electrical degrees.