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Three phase power factor controllerA power control circuit for a three phase induction motor is described. The power factors for the three phases are summed to provide a control signal. 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
19810003819
Acquisition Source
Legacy CDMS
Document Type
Other - Patent Application
Authors
Nola, F. J. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Date Acquired
September 4, 2013
Publication Date
October 23, 1980
Subject Category
Electronics And Electrical Engineering
Report/Patent Number
Patent Number: NASA-CASE-MFS-25535-1
Patent Application Number: US-PATENT-APPL-SN-199765
Accession Number
81N12330
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
NASA-CASE-MFS-25535-1
Patent Application
US-PATENT-APPL-SN-199765

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