Multiple Phase Electric Motor and Drive
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United States of America Patent
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-
N/A
Issued Date -
Dec 18, 2008
app pub date -
May 22, 2008
filing date -
May 23, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A multiple phase electric motor provided with multiple inverter power circuits is described herein. The capacity of the capacitor bank required for multiple phase motors operating from a DC power source is therefore decreased. This is done by forming groups of phases that are powered by a separate inverter power circuit. The inverter power circuits are connected to the same DC power source including a bank of capacitors and are so controlled as to be phase offset from one another to allow the use of a smaller capacity capacitor bank.
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