Dual power, constant speed electric motor system

Details Dual power, constant speed electric motor system Dual power, constant speed electric motor system

1983-03-28

1984-07-31

Smith, Jr., David

Electricity: motive power systems

Induction motor systems

Reversing

318817, 318751, H02P 320

Patent

active

044633025

ABSTRACT:
A dual capacity permanent split capacitor electric motor system is provided with a stator having main and auxiliary windings. The main stator winding includes two winding sections which are connected in parallel with each other and across a pair of line terminals while the auxiliary winding is connected in series with a capacitor to form a circuit branch which is connected between the line terminals for operation at a first output power level. Switching means are provided to reconnect the main stator winding sections in series with each other and in series with a second capacitor to form a circuit branch which is connected between the line terminals while the stator auxiliary winding is connected directly between the line terminals for operation at a second output power level. Automatic rotation reversal occurs when the motor switches from the first to the second output power level.

REFERENCES:
patent: 1886895 (1932-11-01), Myers
patent: 2280971 (1942-04-01), Packer
patent: 2476073 (1949-07-01), Trickey
patent: 3549969 (1970-12-01), Yoshimura

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