Title:
保護システム、及び保護方法
Document Type and Number:
Japanese Patent JP6581799
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To reduce an adverse effect upon an electric line and a junction box when short-circuit fault or the like occurs in a photovoltaic power generation system.SOLUTION: The protection system, used for a photovoltaic power generation system having a plurality of strings connected in parallel, includes: a temperature detection part for detecting a temperature of an electric line from the plurality of strings to a junction point connecting the plurality of strings in parallel; a circuit breaker control part for controlling a conduction state of a circuit breaker provided between the junction point and a circuit provided to a load side from the junction point according to the detected temperature.SELECTED DRAWING: Figure 1
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Inventors:
Jun Sato
Nobuyuki Morii
Nobuyuki Morii
Application Number:
JP2015086685A
Publication Date:
September 25, 2019
Filing Date:
April 21, 2015
Export Citation:
Assignee:
Ntt Facilities Co., Ltd.
International Classes:
H02H5/04; H02H3/087; H02J1/00; H02S50/00
Domestic Patent References:
| JP2011176155A | ||||
| JP2014052325A | ||||
| JP2007124809A | ||||
| JP2012160667A | ||||
| JP2013247787A |
Attorney, Agent or Firm:
Shiga International Patent Office