DC content control for an inverter

Details DC content control for an inverter DC content control for an inverter

1988-12-16

1989-11-21

Wong, Peter S.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

363 37, 363 41, H02P 1318, H02M 5458

Patent

active

048821209

ABSTRACT:
Power inverters for converting DC power into AC power often produce a DC component in the inverter output which is objectionable. In order to overcome this problem, an inverter control according to the present invention detects the magnitude of the DC component in the inverter AC output power and adjusts the time of selected rising and falling edges of control waveforms for switches in the inverter to reduce the magnitude of the DC component.

REFERENCES:
patent: 4617622 (1986-10-01), Fox
patent: 4621316 (1986-11-01), Uesugi
patent: 4635177 (1987-01-01), Shekhawat et al.
patent: 4729082 (1988-03-01), Sato

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