DISCONNECTION OR SHORTCIRCUIT TROUBLE DETECTOR

PURPOSE:To judge abnormality of all loads through a single detecting means, by detecting total current of a plurality of loads and comparing with stored normal current data thereby judging and indicating the type of abnormal load. CONSTITUTION:Total current of a plurality of loads 13-16 is detected...

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Bibliographic Details
Main Author NAKAMARU TORU
Format Patent
LanguageEnglish
Published 27.03.1989
Subjects
CINEMATOGRAPHY
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:PURPOSE:To judge abnormality of all loads through a single detecting means, by detecting total current of a plurality of loads and comparing with stored normal current data thereby judging and indicating the type of abnormal load. CONSTITUTION:Total current of a plurality of loads 13-16 is detected through a current detecting means 17a arranged at the input end of a power source 11. Total current flowing through all loads 13-16 under normal state is stored in a storage means of CPU19. The stored value is compared with a value detected through the current detecting means 17a by CPU19. If a part of the loads is abnormal, current deviation occurs corresponding to the type of abnormal load and the deviation is employed for judging the abnormal load and displaying the abnormal load on a display means 20. Consequently, abnormality of all loads can be detected by means of a single current detector.
Bibliography:Application Number: JP19870238081