Electric motors supplied with chopped current

Details Electric motors supplied with chopped current Electric motors supplied with chopped current

1979-01-03

1980-06-24

Budd, Mark O.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 40R, 310179, 310216, 310254, 310271, H02K 104, H02K 112

Patent

active

042097207

ABSTRACT:
A DC electric motor, intended to be supplied with a chopped current is arranged so that the bend of the representative curve of the magnetic flux with respect to the ampere-turns has its origin j situated, approximately, in the middle of the interval of use of the motor, and the radial dimension of the air-gap is sufficiently large for the flux increase, beyond the origin of the bend, with respect to the ampere-turns, to have a slope at least equal to substantially a third of the slope of the linear part B, which precedes the bend.

REFERENCES:
patent: 2351316 (1944-06-01), Borden
patent: 3225269 (1965-12-01), Worcester
patent: 3694903 (1972-10-01), Deming
patent: 3819427 (1974-06-01), Balesch
patent: 3956678 (1976-05-01), Byrne et al.
Proceedings of IEE, vol. 117, No. 2, Feb. 1970, Londres Byrne et al., "Compatible Controller-Motor System for Battery-Electric Vehicle", pp. 369-376.

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