Driving Device for Electric Motor
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United States of America Patent
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N/A
Issued Date -
Sep 3, 2015
app pub date -
Jul 10, 2014
filing date -
Aug 2, 2013
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The present invention relates to a driving device for an electric motor, including an inverter circuit and a power-supply relay disposed in a power-supply line of the inverter circuit, the power-supply relay including a semiconductor switch, and relates to a driving method therefor. The driving device of the present invention includes a first driver and a second driver that drive the power-supply relay, and when at least one of the first driver and the second driver outputs an ON signal, the power-supply relay is turned ON. This can reduce the disruption of power-supplying to the inverter circuit due to a failure in a driver.
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