MOTOR DRIVE APPARATUS
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United States of America Patent
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N/A
Issued Date -
May 29, 2008
app pub date -
Oct 14, 2007
filing date -
Nov 29, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A motor drive apparatus used for an industrial machine, comprising a converter (4) for converting an AC voltage supplied from an external power source to DC voltage, a capacitor bank (7) connected to the output of the converter (4), and a control apparatus (8) stopping the functions of the capacitor bank when detecting an abnormality of the capacitor bank, whereby the safety of the motor drive apparatus when an abnormality occurs in the capacitor bank is secured by building into the capacitor bank a circuit or function for protecting the capacitor bank and motor drive apparatus and whereby electric shock is prevented even when a person mistakenly touches the capacitor bank when the capacitor bank stores a charge.
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