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Title:
SYSTEM FOR CHANGING RELAY SETTING AND METHOD FOR CHANGING RELAY SETTING
Document Type and Number:
Japanese Patent JP2010284047
Kind Code:
A
Abstract:

To provide a system for changing the relay setting and a method for changing the relay setting, wherein the setting of a protective relay can be changed without fail.

The system for changing the relay setting includes section switches DM1-DM6 provided in a distribution line 110, and overcurrent relays OC1 and OC2 which monitor the distribution line 110 and is used when a distribution system formed by switching the section switches DM1-DM6 and sectioning the distribution line 110 is changed. The system for changing relay setting is, further, provided with a management device 10 which monitors a system change of the distribution line 110 for every predetermined period, calculates the set values of the overcurrent relays OC1 and OC2, based on the line constants of the changed distribution system when a distribution system change is detected and issues an instruction to change the setting of the overcurrent relays OC1 and OC2 based on the calculation results.


Inventors:
KAGAWA YOSHITERU
Application Number:
JP2009136804A
Publication Date:
December 16, 2010
Filing Date:
June 08, 2009
Export Citation:
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Assignee:
CHUGOKU ELECTRIC POWER
International Classes:
H02H3/02; H02H7/26
Domestic Patent References:
JP2000209765A2000-07-28
JP2004343922A2004-12-02
JP2000209765A2000-07-28
Attorney, Agent or Firm:
原嶋 成時郎