Drive equipment supplied with direct current

Details Drive equipment supplied with direct current Drive equipment supplied with direct current

1976-01-08

1977-04-19

Schaefer, Robert K.

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

318356, 318139, H02P 710

Patent

active

040191087

ABSTRACT:
Drive equipment supplied with direct current, which includes a DC motor with a series field winding and with a semi-conductor rectifier arrangement in parallel with the field winding and working in pulse operation for variable shunting of the field winding. The controllable semi-conductor rectifier has a reactor connected in series with it. A load object is connected in parallel to the semi-conductor rectifier. The load object may be an accumulator battery series-connected with a second semi-conductor rectifier which blocks the battery voltage.

REFERENCES:
patent: 3041478 (1962-06-01), Gabor
patent: 3492557 (1970-01-01), Brown
patent: 3753077 (1973-08-01), Anderson et al.
patent: 3792326 (1974-02-01), First
patent: 3906317 (1975-09-01), Narita

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