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Commutating Permanent-Magnet Motors At Low SpeedCircuit provides forced commutation during starting. Forced commutation circuit diverts current from inverter SCR's and turns SCR's off during commutation intervals. Silicon controlled rectifier in circuit unnecessary when switch S10 replaced by high-current, high-voltage transistor. At present, high-current, low-voltage device must suffice.
Document ID
19850000150
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Dolland, C. (AiResearch Manufacturing Co.)
Date Acquired
August 12, 2013
Publication Date
August 1, 1985
Publication Information
Publication: NASA Tech Briefs
Volume: 9
Issue: 2
ISSN: 0145-319X
Subject Category
Electronic Components And Circuits
Report/Patent Number
MFS-25207
Accession Number
85B10150
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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