Controlled rectifier motor drive system including d.c. fault det

Details Controlled rectifier motor drive system including d.c. fault det Controlled rectifier motor drive system including d.c. fault det

1975-03-18

1977-04-05

Schaefer, Robert K.

Electricity: motive power systems

Limitation of motor load, current, torque or force

318506, 321 13, H02K 2366

Patent

active

040164683

ABSTRACT:
A motor control system of the type employing phase controlled rectifiers for controlling the power supplied from a polyphase alternating current source to a direct current motor includes circuitry to detect the existence of a rectifier which is conducting at an improper time and to provide appropriate corrective action to terminate such improper conduction.

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patent: 3526819 (1970-09-01), Graf
patent: 3538412 (1970-11-01), Graf et al.
patent: 3569819 (1971-03-01), Martzloff et al.
patent: 3646398 (1972-02-01), Kotos
patent: 3743908 (1973-07-01), Betke
patent: 3746964 (1973-07-01), Guyton
patent: 3813591 (1974-05-01), Dinger

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