Starter device for a single-phase asynchronous motor

Details Starter device for a single-phase asynchronous motor Starter device for a single-phase asynchronous motor

1979-05-14

1981-06-09

Smith, Jr., David

Electricity: motive power systems

Induction motor systems

Primary circuit control

310 71, 318188, 318792, 318794, H02P 144

Patent

active

042727146

ABSTRACT:
The invention relates to a starter device for single phase, asynchronous motors, the starter device being of the type which provides a PTC resistor for series starting operation with the auxiliary winding. The starter device may be used for different types of motors by reason of an arrangement of contacts for connecting the main and auxiliary windings, starting capacitors and a two phase power supply which accommodates different modes of starting operation required by different motors.
Three capacitor contacts provide for connecting capacitors in different ways relative to the PTC resistor and one of two sets of winding contacts may be selected to suit a desired mode of starting operation.

REFERENCES:
patent: 3231767 (1966-01-01), Powell
patent: 3619641 (1971-11-01), Ballard
patent: 3988709 (1976-10-01), McKinnon et al.
patent: 4092573 (1978-05-01), D'Entremont
patent: 4131871 (1978-12-01), Haag et al.

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