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Title:
PROTECTIVE DEVICE
Document Type and Number:
Japanese Patent JPS5441410
Kind Code:
A
Abstract:
PURPOSE:To enable an operation to correctly judge a fault of potential transformer and make its processing, by a method of blocking an output of automatic voltage regulator, when caused an unbalance in output voltages of a first and second potential transformer.

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Inventors:
SHIRAISHI TAKEO
HIRAYAMA KAIICHIROU
Application Number:
JP10666177A
Publication Date:
April 02, 1979
Filing Date:
September 07, 1977
Export Citation:
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Assignee:
TOKYO SHIBAURA ELECTRIC CO
International Classes:
H02P9/30; (IPC1-7): H02P9/30



 
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