Propulsion motor control apparatus and method

Details Propulsion motor control apparatus and method Propulsion motor control apparatus and method

1980-05-13

1982-07-13

Smith, Jr., David

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

318139, 318345G, 318345C, 363 41, H02P 516

Patent

active

043396976

ABSTRACT:
There is disclosed a motor control chopper apparatus and method having a random frequency of operation with a long term average deviation of substantially zero to reduce the average magnitude of the chopper apparatus generated noise signals.

REFERENCES:
patent: 4042873 (1977-08-01), Cox
patent: 4099109 (1978-07-01), Abbondanti
patent: 4190882 (1980-02-01), Chevalier et al.

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