Title:
無効電力補償装置
Document Type and Number:
Japanese Patent JP5409319
Kind Code:
B2
Abstract:
A capacitor bank unit includes three capacitor banks that have respective capacitances that are multiples of a basic capacitance in accordance with a number sequence of the n-th power of 2. One of the capacitor banks has the basic capacitance, remaining two of the capacitor banks includes two subbanks each. The capacitance of a subbank is set to a capacitance that is a multiple of the basic capacitance in accordance with a number sequence of the m-th power of 2. When any one of the capacitor banks fails, each of capacitor banks following the failed capacitor bank substitutes for a capacitor bank located immediately before itself.
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Inventors:
Masatoshi Takeda
Shinichi Kogusa
Shinichi Kogusa
Application Number:
JP2009283860A
Publication Date:
February 05, 2014
Filing Date:
December 15, 2009
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
H02J3/18; G05F1/70
Domestic Patent References:
| JP54011452A | ||||
| JP63114533A | ||||
| JP2009510984A |
Attorney, Agent or Firm:
Hiroaki Sakai