Method of and apparatus for generating an adjustable reactance
First Claim
1. An adjustable reactance generator, comprising:
- a resonant air gap transfer transformer having a primary side resonant LC circuit and a secondary side resonant LC circuit;
a power generator that provides a first square wave through a first DC blocking capacitor and a first Thevenin inductor to a summing node of the primary side resonant LC circuit;
a reactance generator that provides a second square wave through a second DC blocking capacitor and a second Thevenin inductor to the summing node of the primary side resonant LC circuit, wherein phase and amplitude differences between said first square wave and said second square wave produce a current into the summing node of the primary side resonant LC circuit that provides an impedance to said resonant air gap transfer transformer that is adjusted by adjusting the phase and/or the magnitude of the first and second square waves; and
a rectifier-filter load circuit connected to said secondary side resonant LC circuit.
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Accused Products
Abstract
A method for adjusting reactance includes an adjustable reactance generator including a comparator receiving an input sinusoidal waveform and outputting a square wave that retains the frequency and phase of the applied sinusoidal waveform. The reactance adjustment is generated using a power switching circuit that receives the square wave from the comparator as a control signal and outputs a square wave that retains the frequency and phase of the applied sinusoidal voltage waveform, an adjustable power supply that adjusts the amplitude of the square wave output by the power switching circuit, and an amplitude detector that controls the output level of the adjustable power supply. The power switching circuit output, when converted to a sinusoid, provides the effect of an adjustable reactance.
18 Citations
13 Claims
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1. An adjustable reactance generator, comprising:
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a resonant air gap transfer transformer having a primary side resonant LC circuit and a secondary side resonant LC circuit; a power generator that provides a first square wave through a first DC blocking capacitor and a first Thevenin inductor to a summing node of the primary side resonant LC circuit; a reactance generator that provides a second square wave through a second DC blocking capacitor and a second Thevenin inductor to the summing node of the primary side resonant LC circuit, wherein phase and amplitude differences between said first square wave and said second square wave produce a current into the summing node of the primary side resonant LC circuit that provides an impedance to said resonant air gap transfer transformer that is adjusted by adjusting the phase and/or the magnitude of the first and second square waves; and a rectifier-filter load circuit connected to said secondary side resonant LC circuit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification