Distributed power supply for high frequency PWM motor controller

Details Distributed power supply for high frequency PWM motor controller Distributed power supply for high frequency PWM motor controller

1995-06-07

1998-05-19

Cabeca, John W.

Electricity: motor control systems

Closed loop speed control system for dc motor with commutator

Armature control by digital or combined analog and digital...

388829, 318811, 363 41, 323265, H02P 517

Patent

active

057547327

ABSTRACT:
A distributed power supply for a motor controller including electronic control circuits for controlling IGBT power transistor stages. The power supplies for the power transistors and gate drivers therefor are isolated from the power supplies for the electronic control circuits. Each of the gate drivers for the IGBT power transistor is supplied through a separate floating supply. Power supplies for the digital components and the analog components have separate ground return paths and are tied together at the supplies.

REFERENCES:
patent: 4447771 (1984-05-01), Whited
patent: 4490661 (1984-12-01), Brown et al.
patent: 4686437 (1987-08-01), Langley et al.
patent: 4777382 (1988-10-01), Reingold
patent: 5087872 (1992-02-01), Gupta
patent: 5343079 (1994-08-01), Mohan et al.

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