Power converting apparatus

Details Power converting apparatus Power converting apparatus

2006-11-29

2009-08-18

Ullah, Akm E (Department: 2838)

Electric power conversion systems

Current conversion

Having plural converters for single conversion

C363S041000, C363S043000

Reexamination Certificate

active

07577007

ABSTRACT:
A power converting apparatus used as an active filter includes single-phase multiplex inverter unit for converting DC power into AC power and a control unit for controlling the single-phase multiplex inverter unit. The single-phase multiplex inverter unit includes a first single-phase inverter and a second single-phase inverter. The first single-phase inverter to which a maximum DC voltage is supplied outputs voltage pulses at a rate of one pulse per half the period of an AC voltage fed from an AC source. The control unit includes a pair of hysteresis comparator circuits for driving the second single-phase inverter such that an AC source current follows a sinusoidal target current.

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patent: 6067236 (2000-05-01), White
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patent: 6956305 (2005-10-01), Iwata et al.
patent: 2002-359928 (2002-12-01), None
patent: 2002-359929 (2002-12-01), None
“Introduction to Power Electronics”, 2nded. (1991), pp. 264-269.

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