Antonelli, Terry, Stout & Kraus
Abnormality diagnosing system and method for a high voltage power apparatus
 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 abnormality, power supply abnormality and foregin 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. 
Hitachi, Ltd.
G H H G H
G01R H02B H01H G01R H02H
inventional inventional additional inventional inventional
Hiroshi Izumi Mitsuo Hashime Jun Youichi Tokio Fumihiro
Yamada Yamada Sawairi Nagai Ozawa Ohshita Yamagiwa Endo