Electricity: motive power systems – Induction motor systems – Primary circuit control
Patent
1982-05-28
1984-05-22
Smith, Jr., David
Electricity: motive power systems
Induction motor systems
Primary circuit control
318345D, 318345H, 318729, H02P 540
Patent
active
044503997
ABSTRACT:
An induction motor comprises a main winding (41) and an auxiliary winding (42) wound in slots of a stator with proper intervals, the main winding (41) and the auxiliary winding (42) being connected to an alternating current voltage source (1) through a conduction control circuit (20). A control winding (9) is electromagnetically coupled to the main winding (41), with the same shunted by a capacitor (10) so that a closed loop may be formed.
REFERENCES:
patent: 602920 (1898-04-01), Steinmetz
patent: 602921 (1898-04-01), Steinmetz
patent: 1478012 (1923-12-01), Varley
Sanyo Electric Co,. Ltd.
Smith Jr. David
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