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Three phase power factor controllerA power control circuit for a three phase induction motor is described. Power factors for the three phases are summed to provide a control signal, and this control signal is particularly filtered and then employed to control the duty cycle of each phase of input power to the motor.
Document ID
19840014817
Acquisition Source
Legacy CDMS
Document Type
Other - Patent
Authors
Nola, F. J. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Date Acquired
September 4, 2013
Publication Date
February 21, 1984
Subject Category
Electronics And Electrical Engineering
Report/Patent Number
Patent Number: NASA-CASE-MFS-25535-2
Patent Application Number: US-PATENT-APPL-SN-476244
Patent Number: US-PATENT-4,433,276
Accession Number
84N22885
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
NASA-CASE-MFS-25535-2|US-PATENT-4,433,276
Patent Application
US-PATENT-APPL-SN-476244

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