Clocked power end stage for inductive loads

Details Clocked power end stage for inductive loads Clocked power end stage for inductive loads

1992-04-13

1995-02-14

Pellinen, A. D.

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

Systems for magnetizing, demagnetizing, or controlling the...

323285, H01H 4732, G05F 1575

Patent

active

053900707

ABSTRACT:
In a clocked power end stage for an inductive load with a free-wheeling circuit, the speed of variation of the voltage at a connecting point between a load and a switch device as well as the speed of variation of the load current flowing through the switch device is adjustable, and in fact independently of the speed of variation of the voltage. In this way, a voltage which is proportional to the load current and one which is proportional to the drain voltage are respectively differentiated, and the signals so received are superimposed on the control clock signal for the switch device. With these measures, the electromagnetic disturbances caused by the clocking can be reduced.

REFERENCES:
patent: 3517301 (1970-06-01), Huber
patent: 4257090 (1981-03-01), Kroger et al.
patent: 4540893 (1985-09-01), Bloomer
patent: 4661766 (1987-04-01), Hoffman
patent: 4887021 (1989-12-01), Walker
patent: 4949211 (1990-08-01), Edwards
patent: 4987361 (1991-01-01), Ohms

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