PWM inverter with zero dead time and initial power supply capaci

Details PWM inverter with zero dead time and initial power supply capaci PWM inverter with zero dead time and initial power supply capaci

1998-08-05

2000-02-01

Sterrett, Jeffrey

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

363 41, 363 32, H02M 75395

Patent

active

060210583

ABSTRACT:
A PWM inverter output circuit enabling circuit integration, having a fast response characteristic, and unaffected by dv/dt transients is provided. A predrive circuit 17 drives a power circuit 11 comprising first and second power elements P1 and P2 by controlling the gate and source potential of the power elements P1 and P2 based on a stored control state. The control state is detected from a logic signal output from an input signal processor 13, which converts a command signal instructing turning on and off the power elements P1 and P2 to predetermined logic signals. Operating power is drawn from a main dc power source V1, a control power source V2, and a power supply capacitor C1 that is charged using an output voltage from the control power source V2. The gates and sources of the power elements P1 and P2 are connected together.

REFERENCES:
patent: 5166870 (1992-11-01), Shimizu et al.
patent: 5451900 (1995-09-01), Haga et al.
patent: 5535115 (1996-07-01), Kishi et al.
patent: 5859770 (1999-01-01), Takada et al.

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