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Title:
【発明の名称】高圧電力機器の異常診断システム
Document Type and Number:
Japanese Patent JP2885223
Kind Code:
B2
Abstract:
An abnormality diagnosing system and method for high voltage power apparatus wherein a plurality of detectors for detecting abnormalities of the high voltage power apparatus and providing outputs indicative thereof are disposed to detect predetermined phenomena indicative of at least an insulation abnormalituy, power supply abnormality and foreign matter among abnormalities existing inside of the high voltage power apparatus. A monitoring arrangement responsive to the outputs of the detectors provides at least one of an output and display of the kind of abnormality detected.

Inventors:
OZAWA ATSUSHI
ENDO FUMIMASA
OOSHITA YOICHI
YAMADA IZUMI
YAMAGIWA TOKIO
YAMADA HIROSHI
SAWAIRI MITSUO
NAGAI HAJIME
Application Number:
JP13471497A
Publication Date:
April 19, 1999
Filing Date:
May 26, 1997
Export Citation:
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Assignee:
HITACHI SEISAKUSHO KK
International Classes:
G01R31/00; G01D21/02; G01M99/00; G01R15/14; G01R31/02; G01R31/12; H01H33/00; H02B13/065; H02H1/00; H02H5/04; (IPC1-7): G01R31/00; H02B13/065; H02H5/04
Domestic Patent References:
JP62245977A
JP60111972A
JP6335967U
JP738011B2
Other References:
【文献】特許2751834(JP,B2)
Attorney, Agent or Firm:
Ogawa Katsuo