Title:
PREVENTION OF ERRONEOUS MOTION AND NON-ACTIVATION OF PROTECTIVE RELAY FOR GROUND BUS BAR
Document Type and Number:
Japanese Patent JPS5276656
Kind Code:
A
Abstract:
PURPOSE: The current in a cable system and a reactor system is taken out from the secondary side of a transformer, and is totalled by a total current transformation so as to regulate the phase aimed at is to prevent the occurrence of erroneous or non-activation motion of a phase comparison relay in accordance with the phase difference of the incoming electric currnet.
Inventors:
KIKUCHI MASAO
TERAJIMA KIYOSHI
TERAJIMA KIYOSHI
Application Number:
JP15358975A
Publication Date:
June 28, 1977
Filing Date:
December 23, 1975
Export Citation:
Assignee:
TOKYO SHIBAURA ELECTRIC CO
International Classes:
H02H3/26; H02H3/38; H02H7/22; (IPC1-7): H02H3/38; H02H7/22
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