Title:
ELECTROMAGNETIC OPERATION DEVICE FOR VACUUM CIRCUIT BREAKER
Document Type and Number:
WIPO Patent Application WO/2013/031037
Kind Code:
A1
Abstract:
An electromagnetic operation device for a vacuum circuit breaker, in which the speed of the contact-point-opening/closing actions of a vacuum switch tube used in a vacuum circuit breaker is controlled by electromagnetic operation, wherein the electromagnetic operation device is provided with a vacuum switch tube closing drive coil (31), and a first temperature sensor (201) for measuring the temperature surrounding the closing drive coil (31), the current flowing through the closing drive coil (31) being controlled on the basis of the temperature measured by the first temperature sensor (201).
Inventors:
TAKEUCHI YASUSHI (JP)
Application Number:
PCT/JP2011/078646
Publication Date:
March 07, 2013
Filing Date:
December 12, 2011
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
TAKEUCHI YASUSHI (JP)
TAKEUCHI YASUSHI (JP)
International Classes:
H01H33/666; H01H33/00; H01H33/59
Foreign References:
| JP2010272296A | 2010-12-02 | |||
| JP2007202298A | 2007-08-09 | |||
| JP2001057135A | 2001-02-27 | |||
| JP2009176527A | 2009-08-06 |
Attorney, Agent or Firm:
OIWA Masuo et al. (JP)
Masuo Oiwa (JP)
Masuo Oiwa (JP)
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Claims: