Gate drive power supply operable from a source of unregulated DC

Details Gate drive power supply operable from a source of unregulated DC Gate drive power supply operable from a source of unregulated DC

1993-08-30

1996-01-09

Sterrett, Jeffrey L.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

323222, 323269, H02M 75395

Patent

active

054834368

ABSTRACT:
A power supply for a gate drive voltage supply system for a power inverter is coupled to receive a variable DC voltage and operable to produce a regulated DC output voltage to each of a plurality of distributed electronic switching devices. The system includes a plurality of linear voltage regulators with each respective one of the regulators having a power input terminal coupled to a common DC link. Each of the regulators is separately connected to a ground reference at a ground reference power terminal of a corresponding one of the switching devices so as to eliminate ground loops and voltage drops over a common ground bus.

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patent: 4533986 (1985-08-01), Jones
patent: 4761722 (1988-08-01), Pruitt
patent: 4970451 (1990-11-01), Suomalainen
patent: 5181169 (1993-01-01), Murugan
patent: 5282126 (1994-01-01), Husgen
patent: 5359274 (1994-10-01), Bandel
patent: 5373195 (1994-12-01), De Doncker et al.

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