PWM control apparatus for interphase reactor multiplex inverter

Details PWM control apparatus for interphase reactor multiplex inverter PWM control apparatus for interphase reactor multiplex inverter

1988-03-02

1989-01-31

Beha, Jr., William H.

Electric power conversion systems

Current conversion

Having plural converters for single conversion

363 41, 363 79, H02M 108

Patent

active

048020796

ABSTRACT:
A PWM control apparatus for an interphase reactor multiplex inverter in which the load current in each phase output from the midpoint of each of the interphase reactors is quickly controlled by feedback control with a signal corresponding to the sum of the output currents of the inverters in the same phase, the voltage command value for each phase of each inverter is corrected with a signal corresponding to the difference between output currents of the inverters in the same phase (proportional to the circulating current), whereby the interphase voltage difference developed across the interphase reactor in each phase is quickly controlled and the circulating current in each phase is controlled to become extremely small.

REFERENCES:
patent: 4549258 (1985-10-01), Honbu et al.
Tsuchiya et al, "Parallel Running of GTO PWM Inverters," Elect. Eng. in Japan, vol. 104, No. 3, pp. 30-39, 1984.

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