INSULATION MONITORING SENSOR AND INSULATION MONITORING METHOD UTILIZING THE SENSOR

PURPOSE:To provide an insulation monitoring sensor which can monitor the insulation condition of each apparatus and member in non-contact state and detect abnormal state in an early stage. CONSTITUTION:A pair of electrodes 1 to discharge and generate pulse signals corresponding to an ultraviolet ray...

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Bibliographic Details
Main Authors KAGOHARA YOSHIJI, HIRAKAWA KOICHI, MURATA MASAO
Format Patent
LanguageEnglish
Published 14.07.1995
Edition6
Subjects
BOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLYOR DISTRIBUTION OF ELECTRIC POWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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Summary:PURPOSE:To provide an insulation monitoring sensor which can monitor the insulation condition of each apparatus and member in non-contact state and detect abnormal state in an early stage. CONSTITUTION:A pair of electrodes 1 to discharge and generate pulse signals corresponding to an ultraviolet ray radiated at the time of partial discharge, which becomes an index of the insulation state of an article to be monitored, is sealed in a glass tube 1, the tube is put in a metal case 7 having a window, and the gap between the metal case 7 and connection part 4 of a lead wire 3 and a cable 5 is filled with resin 6.
Bibliography:Application Number: JP19930317195