Treble frequency converter

Details Treble frequency converter Treble frequency converter

1978-04-13

1979-05-15

Shoop, William M.

Electric power conversion systems

Frequency conversion without intermediate conversion to d.c.

363170, 310160, H02M 502, H02K 4722

Patent

active

041551141

ABSTRACT:
A treble frequency converter comprising a stator and a synchronously rotating rotor. The stator is provided with a primary winding connectable to a polyphase alternating current source and a secondary winding from which treble frequency power can be taken, the secondary winding having three times as many poles as does the primary winding. The rotor has the same number of poles as does the primary winding and the rotor poles are shaped so that the air-gap between the stator and rotor poles will serve to produce third harmonic flux waves effectively and economically.

REFERENCES:
patent: 1495030 (1924-05-01), Muller
patent: 1559295 (1925-10-01), Stoller
patent: 1725662 (1929-08-01), Merrill
patent: 2761081 (1956-08-01), Clark

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