Offset correction circuit of PWM inverter

Details Offset correction circuit of PWM inverter Offset correction circuit of PWM inverter

1990-10-31

1992-04-14

Stephan, Steven L.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

363132, 318811, H02M 7527

Patent

active

051053527

ABSTRACT:
The DC offset in a current control system for a PWM inverter drive is corrected by integrating a DC component of a current control signal provided by a current control amplifier and feedback controlling the current control amplifier to reduce the DC component to zero.

REFERENCES:
patent: 4739464 (1988-04-01), Nishihiro et al.
patent: 4825132 (1989-04-01), Gritter
patent: 4882120 (1989-11-01), Roe et al.
patent: 4920472 (1990-04-01), Handler
patent: 4939633 (1990-07-01), Rhodes et al.
patent: 4969079 (1990-11-01), Kiriyama et al.

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