Voltage and frequency responsive regulating circuit for a pm generator

Claim 2

For a permanent magnet generator having an output winding for providing an alternating current output having a waveform of varying amplitude and being adapted for connection to a load for providing at least a portion of said output to said load, a regulator adapted for connection to said output winding comprising switch means being operable for establishing a relatively low impedance path across said output winding responsive to a control signal, and control means receiving at least a portion of said alternating current output and responsive to the frequency of said output for providing said control signal to cause selective operation of said switch means to limit variations in the power level of said portion of said output received by said load.

Claim 3

The regulator of claim 1 wherein said control means includes a device having a reactive impedance receiving at least a portion of said output portion received by said control means for modifying said output portion received thereby in accordance with the frequency thereof.

Claim 4

The regulator of claim 2 wherein said device having a reactive impedance is a capacitor.

Claim 5

The regulator of claim 3 wherein said capacitor integrates said output portion received thereby to provide monotonic signal of predetermined duration which is greater than the monotonic duration of the corresponding waveform of said output.

Claim 6

The regulator of claim 2 wherein said capacitor is connected so as to have a decreasing impedance with increasing frequency so as to increase said control signal in accordance with increases in the frequency of said output portion received thereby.

Claim 7

The regulator of claim 5 further including a resistor connected in parallel with said capacitor.

Claim 8

The regulator of claim 4 further including a second capacitor connected so as to have a decreasing impedance with increasing frequency so as to increase said control signal in accordance with increases in the frequency of said output portion received thereby.

Claim 9

The regulator of claim 7 wherein said second capacitor receives said monotonic signal from said first capacitor.

Claim 10

For a permanent magnet generator having an output winding for providing an alternating current output having a waveform of varying amplitude and being adapted for connection to a load for providing at least a portion of said output to said load, a regulator adapted for connection to said output winding, said regulating means comprising switch means being operable for establishing a relatively low impedance path across said output winding responsive to a control signal, and control means receiving at least a portion of said alternating current output and responsive to the frequency and amplitude of said output for providing said control signal to cause selective operation of said switch means to limit variations in the power level of saId portion of said output received by said load.

Claim 11

For a permanent magnet generator having an output winding for providing an alternating current output having a waveform of varying amplitude and being adapted for connection to a load for providing at least a portion of said output to said load, a regulator adapted for connection to said output winding, said regulating means comprising switch means being operable for establishing a relatively low impedance path across said output winding responsive to a control signal, and control means receiving at least a portion of said alternating current output and responsive to the frequency and amplitude of said output for providing said control signal to cause selective operation of said switch means to limit variations in the power level of saId portion of said output received by said load.

Claim 12

The regulator of claim 9 wherein said control means includes a device having a reactive impedance receiving at least a portion of said output received by said control means for modifying said output portion received thereby in accordance with the frequency thereof.

Claim 13

The regulator of claim 10 wherein said device having a reactive impedance is a capacitor.

Claim 14

The regulator of claim 11 wherein said capacitor integrates said output portion received thereby to provide monotonic signal of predetermined duration which is greater than the monotonic duration of the corresponding waveform of said output.

Claim 15

The regulator of claim 10 wherein said capacitor is connected so as to have a decreasing impedance with increasing frequency so as to increase said control signal in accordance with increases in the frequency of said output portion received thereby.

Claim 16

The regulator of claim 13 further including a resistor connected in parallel with said capacitor.

Claim 17

The regulator of claim 12 further including a second capacitor connected so as to have a decreasing impedance with increasing frequency so as to increase in said control signal in accordance with increases in the frequency of said output portion received thereby.

Claim 18

The regulator of claim 15 wherein said second capacitor receives said monotonic signal from said first capacitor.

Claim 19

The regulator of claim 10 wherein said device having a reactive impedance is connected to said output winding through a resistor and wherein said resistor establishes the response of said control means to the amplitude of said output.

Claim 20

The regulator of claim 17 wherein said control circuit includes a resistive voltage divider and said resistor is a component of said resistive voltage divider.

Claim 21

In combination, a permanent magnet generator having an output winding for providing an output having a waveform of cyclically varying amplitude and a definable amplitude peak, a load connected to said output winding for receiving at least a portion of said output, and regulating means comprising switch means being operable for establishing a relatively low impedance path across said output winding responsive to a control signal, and control means for providing said control signal having capacitor connected to receive at least a portion of said output for integrating said output portion received thereby to provide a monotonic signal having a definable amplitude peak occurring subsequent to said peak of said output waveform, said monotonic signal being utilized to provide said control signal.

Claim 22

In combination, a permanent magnet generator having an output winding for providing an output having a waveform of cyclically varying amplitude and a definable amplitude peak, a load connected to said output winding for receiving at least a portion of said output, and regulating means comprising switch means being operable for establishing a relatively low impedance path across said output winding responsive to a control signal, and control means for providing said control signal having capacitor connected to receive at least a portion of said output for integrating said output portion received thereby to provide a monotonic signal having a definable amplitude peak occurring subsequent to said peak of said output waveform, said monotonic signal being utilized to provide said control signal.

Claim 23

The combination of claim 19 further including a second capacitor connected so as to have a decreasing impedance with increasing frequency so as to increase said control signal in accordance with increases in the frequency of said output portion received thereby.

Claim 24

The combination of claim 20 wherein said second capacitor receives said monotonic signal from said first capacitor.

Claim 25

In combination, a permanent magnet generator having an output winding for providing an output having a cyclic waveform of varying amplitude with said waveform being monotonic for a determinable portion of the output cycle of said generator, a load connected to said output winding for receiving at least a portion of said output, and regulating means connected to said output winding, said regulating means comprising switch means being operable for establishing a relatively low impedance path across said output winding responsive to a control signal, and control means receiving at least a portion of said output for modifying said received portion to provide said control signal, said control means including means modifying the waveform of said received portion to provide said control signal with a portion which is monotonic for a substantially greater portion of said output cycle than said monotonic portion of said output waveform.

Claim 26

In combination, a permanent magnet generator having an output winding for providing an output having a cyclic waveform of varying amplitude with said waveform being monotonic for a determinable portion of the output cycle of said generator, a load connected to said output winding for receiving at least a portion of said output, and regulating means connected to said output winding, said regulating means comprising switch means being operable for establishing a relatively low impedance path across said output winding responsive to a control signal, and control means receiving at least a portion of said output for modifying said received portion to provide said control signal, said control means including means modifying the waveform of said received portion to provide said control signal with a portion which is monotonic for a substantially greater portion of said output cycle than said monotonic portion of said output waveform.

Claim 27

The combination of claim 22 wherein said modifying meAns includes a device having a reactive impedance for modifying said waveform of said received portion to provide said monotonic portion of said control signal.

Claim 28

The combination of claim 23 wherein said device having a reactive impedance is a capacitor.

Claim 29

The combination of claim 22 wherein said load is a lamp for emitting light.

Claim 30

For a permanent magnet generator having an output winding for providing an output to a load, said output having a cyclic waveform of varying amplitude with said waveform having a definable amplitude peak occurring at a determinable time in the output cycle of said generator, a regulator adapted for connection to said output winding comprising: switch means being operable for establishing a relatively low impedance path across said output winding responsive to a control signal, and control means receiving at least a portion of said output for providing said control signal, said control means including means for modifying the waveform of said received portion so that said control signal has an amplitude peak which substantially lags said amplitude peak of said output waveform.

Claim 31

For a permanent magnet generator having an output winding for providing an output to a load, said output having a cyclic waveform of varying amplitude with said waveform having a definable amplitude peak occurring at a determinable time in the output cycle of said generator, a regulator adapted for connection to said output winding comprising: switch means being operable for establishing a relatively low impedance path across said output winding responsive to a control signal, and control means receiving at least a portion of said output for providing said control signal, said control means including means for modifying the waveform of said received portion so that said control signal has an amplitude peak which substantially lags said amplitude peak of said output waveform.

Claim 32

The regulator of claim 26 wherein said modifying means includes a device having a reactive impedance for modifying said waveform of said received portion to provide said portion of said control signal having said amplitude peak.

Claim 33

The regulator of claim 27 wherein said device having a reactive impedance is a capacitor.

Claim 34

For a permanent magnet generator having an output winding for providing an output to a load, said output having a cyclic waveform of varying frequency amplitude, and varying in amplitude with variations in frequency and without variations in frequency, a regulator adapted for connection to said output winding comprising: switch means being operable for establishing a relatively low impedance path across said output winding responsive to a control signal, and control means receiving at least a portion of said output waveform including a circuit having a resistor selected in accordance with variations of the amplitude of said waveform without variations in frequency and a capacitor selected in accordance with variations in the amplitude of said waveform with variations in frequency to provide said control signal to cause selective operation of said switch means to limit variations in the power level of said output received by said load.

Claim 35

For a permanent magnet generator having an output winding for providing an output to a load, said output having a cyclic waveform of varying frequency amplitude, and varying in amplitude with variations in frequency and without variations in frequency, a regulator adapted for connection to said output winding comprising: switch means being operable for establishing a relatively low impedance path across said output winding responsive to a control signal, and control means receiving at least a portion of said output waveform including a circuit having a resistor selected in accordance with variations of the amplitude of said waveform without variations in frequency and a capacitor selected in accordance with variations in the amplitude of said waveform with variations in frequency to provide said control signal to cause selective operation of said switch means to limit variations in the power level of said output received by said load.

Claim 36

The regulator of claim 29 wherein said switch means includes a control terminal and said capacitor is connected to said control terminal to provide said control signal to said control terminal to cause said selective operation of said switch, said capacitor providing a decrease in the impedance of the signal path for said control signal to said control terminal with increasing frequency so that said switching means provides said low impedance path across said output windings at earlier times in the output cycle of said generator for higher frequencies.

Claim 37

The regulator of claim 30 wherein said generator is an alternator providing a voltage waveform of alternating polarity.

Claim 38

In combination, a permanent magnet generator having an output winding for providing an output having a waveform of varying amplitude, a load connected to said output winding for receiving at least a portion of said output, and regulating means connected to said output winding, said regulating means comprising switch means having a control terminal being operable for establishing a relatively low impedance path across said output winding responsive to a control signal at said control terminal, and control means receiving at least a portion of said output for providing said control signal to cause selective operation of said switch means to limit variations in the power level of said portion of said output received by said load, said control means comprising a resistor connected to receive said output portion received by said control circuit to provide a first signal having a reduced amplitude determined in accorDance with the output power characteristics of said generator, a first capacitor receiving said first signal and being connected to provide a second signal representing an integral function of said first signal so that said second signal has a monotonic portion which is extended relative to a corresponding monotonic portion of said output waveform, and a second capacitor connecting said first capacitor with said control circuit for providing a decreasing impedance path to said control terminal for said second signal with increasing frequency determined in accordance with the output power characteristics of said generator to thereby modify said second signal with frequency to provide said control signal.

Claim 39

In combination, a permanent magnet generator having an output winding for providing an output having a waveform of varying amplitude, a load connected to said output winding for receiving at least a portion of said output, and regulating means connected to said output winding, said regulating means comprising switch means having a control terminal being operable for establishing a relatively low impedance path across said output winding responsive to a control signal at said control terminal, and control means receiving at least a portion of said output for providing said control signal to cause selective operation of said switch means to limit variations in the power level of said portion of said output received by said load, said control means comprising a resistor connected to receive said output portion received by said control circuit to provide a first signal having a reduced amplitude determined in accorDance with the output power characteristics of said generator, a first capacitor receiving said first signal and being connected to provide a second signal representing an integral function of said first signal so that said second signal has a monotonic portion which is extended relative to a corresponding monotonic portion of said output waveform, and a second capacitor connecting said first capacitor with said control circuit for providing a decreasing impedance path to said control terminal for said second signal with increasing frequency determined in accordance with the output power characteristics of said generator to thereby modify said second signal with frequency to provide said control signal.

Claim 40

The combination of claim 32 wherein said generator is an alternator providing a voltage waveform of alternating polarity and wherein said control means further includes a diode connecting said resistor to said output winding so that said control circuit output portion comprises a half wave signal.

Claim 41

The combination of claim 33 wherein said first resistor is associated with a circuit providing a time constant which is longer than the period of said output waveform for a portion of the operating frequency range of said generator.

Claim 42

The combination of claim 32 further including a second resistor connected in series with said first resistor to form a resistive voltage divider, said resistive voltage divider being connected across said output winding and said first capacitor being connected intermediate said first and second resistors.

Claim 43

The combination of claim 32 wherein said first resistor is associated with a circuit providing a time constant which is longer than the period of said output waveform for a portion of the operating frequency range of said generator.

Claim 44

For a permanent magnet generator having an output winding for providing an output to a load having a waveform of varying amplitude, regulating means adapted for connection to said output winding comprising switch means having a control terminal being operable for establishing a relatively low impedance path across said output winding responsive to a control signal at said control terminal, and control means receiving at least a portion of said output for providing said control signal to cause selective operation of said switch means to limit variations in the power level of said output received by said load, said control means comprising a resistor connected to receive said output portion received by said control circuit to provide a first signal having a reduced amplitude determined in accordance with the output power characteristics of said generator, a first capacitor receiving said first signal and being connected to provide a second signal representing an integral function of said first signal so that said second signal has a monotonic portion which is extended relative to a corresponding monotonic portion of said output waveform, and a second capacitor connecting said first capacitor with said control circuit for providing a decreasing impedance path to said control terminal for said second signal with increasing frequency determined in accordance with the output power characteristics of said generator to thereby modify said second signal with frequency to provide said control signal.

Claim 45

For a permanent magnet generator having an output winding for providing an output to a load having a waveform of varying amplitude, regulating means adapted for connection to said output winding comprising switch means having a control terminal being operable for establishing a relatively low impedance path across said output winding responsive to a control signal at said control terminal, and control means receiving at least a portion of said output for providing said control signal to cause selective operation of said switch means to limit variations in the power level of said output received by said load, said control means comprising a resistor connected to receive said output portion received by said control circuit to provide a first signal having a reduced amplitude determined in accordance with the output power characteristics of said generator, a first capacitor receiving said first signal and being connected to provide a second signal representing an integral function of said first signal so that said second signal has a monotonic portion which is extended relative to a corresponding monotonic portion of said output waveform, and a second capacitor connecting said first capacitor with said control circuit for providing a decreasing impedance path to said control terminal for said second signal with increasing frequency determined in accordance with the output power characteristics of said generator to thereby modify said second signal with frequency to provide said control signal.

Claim 46

The regulating means of claim 37 wherein said generator is an alternator providing a voltage waveform of alternating polarity and wherein said control means further includes a diode connecting said resistor to said output winding so that said control circuit output portion comprises a halfwave signal.

Claim 47

The regulating means of claim 38 wherein said first resistor is associated with a circuit providing a time constant which is longer than the period of said output waveform for a portion of the operating frequency range of said generator.

Claim 48

The regulating means of claim 37 further including a second resistor connected in series with said first resistor to form a resistive voltage divider, Said resistive voltage divider being connected across said output winding and said first capacitor being connected intermediate said first and second resistors.

Claim 49

The regulating means of claim 37 wherein said first resistor is associated with a circuit providing a time constant which is longer than the period of said output waveform for a portion of the operating frequency range of said generator.

Claim 50

In combination, a permanent magnet generator having an output winding for providing an alternating current output having a waveform of varying amplitude, a load connected to said output winding for receiving at least a portion of said output, and regulating means connected to said output winding for reducing the power output of said generator responsive to a control signal including control means receiving at least a portion of said alternating current output responsive to said output for providing said control signal in accordance with the frequency of said output to limit variations in the power level of said portion of said output received by said load.

Claim 51

In combination, a permanent magnet generator having an output winding for providing an alternating current output having a waveform of varying amplitude, a load connected to said output winding for receiving at least a portion of said output, and regulating means connected to said output winding for reducing the power output of said generator responsive to a control signal including control means receiving at least a portion of said alternating current output responsive to said output for providing said control signal in accordance with the frequency of said output to limit variations in the power level of said portion of said output received by said load.

Claim 52

The combination of claim 42 wherein said control means is further responsive to the amplitude of said output waveform so as to provide said control signal in accordance thereto.

Claim 53

In combination, a permanent magnet generator having an output winding for providing an alternating current output having a waveform of varying amplitude, a load connected to said output winding for receiving at least a portion of said output, and regulating means connected to said output winding, said regulating means comprising switch means being operable for establishing a relatively low impedance path across said output winding responsive to a control signal, and control means receiving at least a portion of said alternating current output responsive to the frequency of said output for providing said control signal to cause selective operation of said switch means to limit variations in the power level of said portion of said output received by said load, said regulating circuit wholly consisting of solid state components.

Claim 54

In combination, a permanent magnet generator having an output winding for providing an alternating current output having a waveform of varying amplitude, a load connected to said output winding for receiving at least a portion of said output, and regulating means connected to said output winding, said regulating means comprising switch means being operable for establishing a relatively low impedance path across said output winding responsive to a control signal, and control means receiving at least a portion of said alternating current output responsive to the frequency of said output for providing said control signal to cause selective operation of said switch means to limit variations in the power level of said portion of said output received by said load, said regulating circuit wholly consisting of solid state components.

Claim 55

The combination of claim 44 wherein said control means is further responsive to the amplitude of said output waveform so as to provide said control signal in accordance thereto.

Claim 56

For a permanent magnet generator having an output winding for providing an output having a waveform of varying polarity and amplitude to a load, and being adapted for connection for providing at least a portion of said output to said load, a regulator adapted for connection to said output winding comprising first switch means being operable for establishing a relatively low impedance path across said output winding responsive to a first control signal when said output is of a first polarity, second switch means being operable for establishing a relatively low impedance path across said output winding responsive to a second control signal when said output is of a second polarity, and control means receiving at least a portion of said varying polarity output waveform and responsive to the frequency of said output for providing said first control signal to cause selective operation of said first switch means and for providing a second control signal to cause selective operation of said second switch means to limit variations in the power level of said portion of said output received by said load.

Claim 57

For a permanent magnet generator having an output winding for providing an output having a waveform of varying polarity and amplitude to a load, and being adapted for connection for providing at least a portion of said output to said load, a regulator adapted for connection to said output winding comprising first switch means being operable for establishing a relatively low impedance path across said output winding responsive to a first control signal when said output is of a first polarity, second switch means being operable for establishing a relatively low impedance path across said output winding responsive to a second control signal when said output is of a second polarity, and control means receiving at least a portion of said varying polarity output waveform and responsive to the frequency of said output for providing said first control signal to cause selective operation of said first switch means and for providing a second control signal to cause selective operation of said second switch means to limit variations in the power level of said portion of said output received by said load.

Claim 58

The regulator according to claim 46 wherein said control means is further responsive to the amplitude of said output for limiting variations in the power level of said portion of said output received by said load.

Claim 59

For a permanent magnet generator having an output winding for providing an alternating current output having a waveform of varying amplitude and being adapted for connection to a load for providing at least a portion of said output to said load, a regulator adapted for connection to said output winding comprising switch means being operable for establishing a relatively low impedance path across said output winding responsive to each of a first control signal and a second control signal, first control means receiving at least a portion of said alternating current output and responsive to the frequency of said output for providing said first control signal to cause selective operation of said switch means to limit variations in the power level of said portion of said output received by said load, and second control means responsive to the amplitude of said output for providing said second control signal to cause selective operation of said switch means to limit the amplitude of said portion of said output received by said load.

Claim 60

For a permanent magnet generator having an output winding for providing an alternating current output having a waveform of varying amplitude and being adapted for connection to a load for providing at least a portion of said output to said load, a regulator adapted for connection to said output winding comprising switch means being operable for establishing a relatively low impedance path across said output winding responsive to each of a first control signal and a second control signal, first control means receiving at least a portion of said alternating current output and responsive to the frequency of said output for providing said first control signal to cause selective operation of said switch means to limit variations in the power level of said portion of said output received by said load, and second control means responsive to the amplitude of said output for providing said second control signal to cause selective operation of said switch means to limit the amplitude of said portion of said output received by said load.

Claim 61

The regulator according to claim 48 wherein said amplitude is the amplitude of the potential across said output winding.

Claim 62

The regulator according to claim 49 wherein said second control means is a zener diode connected to said output winding which is adapted to break down at a predetermined high potential across said output winding to cause said switch means to establish said relatively low impedance path across said output winding for absorbing said high potential.

Claim 63

The regulator according to claim 50 wherein said switch means is an SCR having a gate and said zener diode is connected to the gate of said SCR for firing said SCR upon breakdown of said zener diode.

Claim 64

For a permanent magnet generator having an output winding for providing an output having a waveform of varying polarity and amplitude and being adapted for connection to a load for providing at least a portion of said output to said load, a regulator adapted for connection to said output winding comprising first switch means being operable for establishing a relatively low impedance path across said output winding responsive to each of a first control signal and a second control signal when said output is of a first polarity, second switch means being operable for establishing a relatively low impedance path across said output winding responsive to each of a third control signal and a fourth control signal when said output is of a second polarity, first control means responsive to the frequency of said output for providing said first and third control signals to cause selective operation of said first and second switch means to limit variations in the power level of said portion of said output received by said load, and second control means responsive to the amplitude of said output for providing said second and fourth control signals to cause selective operation of said switch means to limit the amplitude of said portion of said output received by said load.

Claim 65

For a permanent magnet generator having an output winding for providing an output having a waveform of varying polarity and amplitude and being adapted for connection to a load for providing at least a portion of said output to said load, a regulator adapted for connection to said output winding comprising first switch means being operable for establishing a relatively low impedance path across said output winding responsive to each of a first control signal and a second control signal when said output is of a first polarity, second switch means being operable for establishing a relatively low impedance path across said output winding responsive to each of a third control signal and a fourth control signal when said output is of a second polarity, first control means responsive to the frequency of said output for providing said first and third control signals to cause selective operation of said first and second switch means to limit variations in the power level of said portion of said output received by said load, and second control means responsive to the amplitude of said output for providing said second and fourth control signals to cause selective operation of said switch means to limit the amplitude of said portion of said output received by said load.

Claim 66

The regulator according to claim 52 wherein said amplitude is the amplitude of the potential across said output winding.

Claim 67

The regulator according to claim 53 wherein said output winding has a pair of output terminals, and said second control means includes a pair of zener diodes with one of said zener diodes being connected to one output terminal of said output winding and the other of said zener diodes being connected to the other output terminal of said output winding, said zener diodes being adapted to break down at a predetermined high potential across said output winding to cause said first and second switch means to establish said relatively low impedance path across said output winding for absorbing said high potential.

Claim 68

The regulator according to claim 54 wherein each of said first and second switch means is an SCR having a gate, and wherein each of said zener diodes is connected to the gate of a respective one SCR for firing said respective one said SCR upon breakdown of said respective one of said zener diodes.