Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
201 words
A single phase to three phase converter comprising: phase shifting converter means including rectifier means connected to a single-phase A.C. power source, first semiconductor switching means connected to a first pair of input terminals which receive a first pair of phase-shifting signals and connected to one terminal of the rectifier means, and second semiconductor switching means connected to a second pair of input terminals which receive a second pair of phase-shifting signals and connected to said one terminal of the rectifier; first center-tapped phase load means connected to said first semiconductor switching means, the center tap being connected to the other terminal of said rectifier; second center-tapped phase load means connected to said second semiconductor switching means, the center tap being connected to said other terminal of said rectifier; third and fourth phase load means each connected to said first and second semiconductor switching means, the third and fourth phase load means being formed by dividing single phase load means, whereby first and second phase-shifted signals having a 120° phase difference therebetween and a signal composed by said first and second phase-shifted signals are respectively provided for said first, second, and third plus fourth phase load means, as three-phase power outputs.
Claim 2
Dependent Claim
201 words
A single phase to three phase converter comprising: phase shifting converter means including rectifier means connected to a single-phase A.C. power source, first semiconductor switching means connected to a first pair of input terminals which receive a first pair of phase-shifting signals and connected to one terminal of the rectifier means, and second semiconductor switching means connected to a second pair of input terminals which receive a second pair of phase-shifting signals and connected to said one terminal of the rectifier; first center-tapped phase load means connected to said first semiconductor switching means, the center tap being connected to the other terminal of said rectifier; second center-tapped phase load means connected to said second semiconductor switching means, the center tap being connected to said other terminal of said rectifier; third and fourth phase load means each connected to said first and second semiconductor switching means, the third and fourth phase load means being formed by dividing single phase load means, whereby first and second phase-shifted signals having a 120° phase difference therebetween and a signal composed by said first and second phase-shifted signals are respectively provided for said first, second, and third plus fourth phase load means, as three-phase power outputs.
Claim 3
Dependent Claim
31 words
The converter as set forth in claim 1 wherein each of said first and second pair of phase-shifting signals is a pair of positive and negative pulses for driving phase conversion.
Claim 4
Dependent Claim
49 words
The converter as set forth in claim 1 wherein said first, second and third phase load means are delta-connected and said first, second and fourth phase load means are also delta-connected, and the third and fourth phase load means are formed by equally dividing said single phase load means.
Claim 5
Dependent Claim
19 words
The converter as set forth in claim 1 wherein said single-phase A.C. power source is a home-wiring power source.
Claim 6
Dependent Claim
25 words
The converter as set forth in claim 1 wherein said first through fourth phase load means are the load windings of a three-phase induction motor.