S. M. Sriraghavan

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A new forced-commutated inverter circuit is described in which saturable inductors are used to support the dc link voltage during the brief period of commutation. It is shown that the circuit has several advantages: It has lower trapped energy as compared to the conventional complementary impulse-commutated inverter. It has good output voltage waveform. It(More)
The paper discusses two-and three-level types of pulse-width modulation and presents a method of translating the frequency-spectrum characteristics of a pulsewidth-modulated inverter into its output filter kVA characteristics. The effect of the modulation scheme on the kVA ratings of the inverter and its transformer are also discussed. This procedure(More)
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