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Patent Searching and Data


Title:
SERVO CONTROLLER
Document Type and Number:
Japanese Patent JP2006211782
Kind Code:
A
Abstract:

To provide a small and inexpensive servo controller having a ground fault detection function.

This servo controller, consisting of: a converter section 3 for rectifying an AC power supply and generating a DC power supply; and a plurality of inverter sections 5 for generating a drive power supply for a motor from the DC power supply, includes: a power supply breaker 2 connected to AC power supply side of the converter section 3; and a ground fault detection circuit 16 built in the converter section 3. With this constitution, if a ground fault occurs, operation of all the inverter sections 5 is stopped to shut down the breaker 2.


Inventors:
TAKAHASHI MASAYOSHI
SONODA SUMITOSHI
Application Number:
JP2005018585A
Publication Date:
August 10, 2006
Filing Date:
January 26, 2005
Export Citation:
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Assignee:
YASKAWA ELECTRIC CORP
International Classes:
H02P5/74; H02P3/18; H02P27/06