Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1991-09-06
1992-06-09
Miller, Stanley D.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307265, 328 28, 328 29, 328 58, 363 98, H03K 500, H02M 542
Patent
active
051209861
ABSTRACT:
A sine wave synthesis controller circuit intended to be utilized in conjunction with a digitally-controlled neutral-point clamped inverter to produce a sinusoidal waveform from a direct current source. The controller circuit is configured so that it provides separate positive and negative control signals to the neutral-point clamped inverter's logic controller. These signals direct the modulation a sinusoidal waveform in response to a reference sine wave, the instantaneous voltage output by the neutral-point clamped inverter, as well as positive and negative reference voltages input to the controller.
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Allied-Signal Inc.
Cunningham Terry D.
Marley Robert P.
Massung Howard G.
Miller Stanley D.
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