Circuit configuration for driving an electrical drive unit

Details Circuit configuration for driving an electrical drive unit Circuit configuration for driving an electrical drive unit

1998-12-07

2000-08-29

Ip, Paul

Electricity: motive power systems

Automatic and/or with time-delay means

Responsive to thermal conditions

318434, 318472, 318474, 361 23, G05B 500

Patent

active

061113794

ABSTRACT:
The circuit configuration is used to drive an electrical drive unit. The circuit has a voltage source and a control circuit for voltage commutation connected between the voltage source and the electrical drive unit. In addition, the circuit includes a temperature evaluation circuit that monitors the temperature of the control circuit. The temperature evaluation circuit uses the motor current of the electrical drive unit to determine the housing temperature of the power switch which has the greatest load.

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patent: 5003252 (1991-03-01), Nystrom
patent: 5051670 (1991-09-01), De Piola
patent: 5187631 (1993-02-01), Baylac et al.
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patent: 5309345 (1994-05-01), Nakamura et al.
patent: 5448143 (1995-09-01), Pecone
patent: 5604654 (1997-02-01), Wille et al.
patent: 5659235 (1997-08-01), Yamada et al.
patent: 5854545 (1998-12-01), Eibel
patent: 5949173 (1999-09-01), Wille et al.

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