Electricity: motive power systems – Induction motor systems – Reversing
Patent
1998-04-17
1999-08-10
Masih, Karen
Electricity: motive power systems
Induction motor systems
Reversing
318809, 318806, 318808, 318599, 318723, 318798, 318747, H02P 140
Patent
active
059363762
ABSTRACT:
An excitation circuit is disclosed for balancing the phase voltages in a two phase motor. The excitation circuit includes a first and second switch and a port for receiving a signal to drive the switches. The excitation circuit also includes additional electrical circuitry which can be designed to adjust the speed and timing of the first and second switches and balance the phase voltages in the two phase motor.
REFERENCES:
patent: 3648112 (1972-03-01), Beckwith
patent: 4384247 (1983-05-01), Stewart
patent: 4453122 (1984-06-01), Johnson et al.
Abramovitz Randy C.
Scruggs Michael K.
Sozusen Serdar T.
Allied-Signal Inc.
Masih Karen
Yeadon Loria B.
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