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Title:
INDIVIDUAL OPERATION DETECTION DEVICE
Document Type and Number:
Japanese Patent JP2015057000
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To detect an individual operation of a dispersion type power source at a high speed and parallel off a plurality of dispersion type power sources.SOLUTION: An individual operation detection device 140b includes: a variation generation part 142 which is interconnected with a commercial power system 110, and which gives fluctuation to an output of at least one dispersion type power source not including all of a plurality of dispersion type power sources 130 belonging to a predetermined connection range; and a parallel-off processing part 144 which detects fluctuation of a predetermined electrical parameter at a system interconnection point, and which parallels off the plurality of dispersion type power sources from the commercial power system or outputs an individual operation signal stopping the plurality of dispersion type power sources when the predetermined electrical parameter is fluctuated exceeding a threshold value due to the fluctuation given by the variation generation part.

Inventors:
SHINSHI YOSHIO
TSUKADA TATSUYA
MIYAKE HARUYOSHI
TADOKORO MASAYUKI
YAGI TAKAHIRO
Application Number:
JP2013190260A
Publication Date:
March 23, 2015
Filing Date:
September 13, 2013
Export Citation:
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Assignee:
TOKYO GAS CO LTD
International Classes:
H02J3/38; H02M7/48; H02P9/00
Domestic Patent References:
JP2006230115A2006-08-31
JP2007215392A2007-08-23
Other References:
社団法人日本電気協会系統連系専門部会, 系統連系規定 JEAC 9701-2010[2011年追補版(その1)], JPN6016028164, ISSN: 0003364876
Attorney, Agent or Firm:
Patent business corporation Omi patent firm