Automatic torque taper circuit

Details Automatic torque taper circuit Automatic torque taper circuit

1983-10-11

1984-12-25

Witkowski, Stanley J.

Electricity: motive power systems

Limitation of motor load, current, torque or force

318326, 318432, H02P 506

Patent

active

044906579

ABSTRACT:
A dc motor drive includes a current limit circuit which produces a current limit signal that inhibits motor current to its commutation limit over a wide speed range. The current limit circuit includes an analog divider circuit which produces an output signal which decreases as an inversed function of motor speed.

REFERENCES:
patent: 3735226 (1973-05-01), Pittner
patent: 3906319 (1975-09-01), Milligan
patent: 3935520 (1976-01-01), Johnson
patent: 4109190 (1978-08-01), McNaughton
patent: 4156162 (1979-05-01), Warfield et al.
patent: 4217527 (1980-08-01), Bourke et al.
patent: 4260938 (1981-04-01), Joyes
patent: 4268781 (1981-05-01), Kawada et al.

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