Electric motor chopper control apparatus and method

Details Electric motor chopper control apparatus and method Electric motor chopper control apparatus and method

1981-01-15

1983-04-26

Truhe, J. V.

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

318341, H02P 506

Patent

active

043814794

ABSTRACT:
A programmed microprocessor controller chopper apparatus for an electric motor is responsive to an operating condition of the chopper such as at least one of the commutation capacitor charge voltage and the level of motor current for determining the desired commutation circuit operation for that chopper apparatus in relation to the provision of an OFF control pulse in relation to an ON control pulse every cycle of the microprocessor program operation.

REFERENCES:
patent: 3601673 (1971-08-01), Mason
patent: 3993942 (1976-11-01), Schmidt et al.
patent: 4032825 (1977-06-01), Klimo
patent: 4037145 (1977-07-01), Bailey et al.
patent: 4119898 (1978-10-01), Morton et al.

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