JPS56150364A - Detector for leakage of electricity - Google Patents

Detector for leakage of electricity

Info

Publication number
JPS56150364A
JPS56150364A JP5317780A JP5317780A JPS56150364A JP S56150364 A JPS56150364 A JP S56150364A JP 5317780 A JP5317780 A JP 5317780A JP 5317780 A JP5317780 A JP 5317780A JP S56150364 A JPS56150364 A JP S56150364A
Authority
JP
Japan
Prior art keywords
fault point
frequency
ground fault
meter
detector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP5317780A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6324265B2 (https=
Inventor
Noboru Yamamoto
Sukeyuki Hayashi
Tetsuji Yamamura
Koji Noma
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NICHIDOU DENKO KK
Kansai Electric Power Co Inc
Original Assignee
NICHIDOU DENKO KK
Kansai Electric Power Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NICHIDOU DENKO KK, Kansai Electric Power Co Inc filed Critical NICHIDOU DENKO KK
Priority to JP5317780A priority Critical patent/JPS56150364A/ja
Publication of JPS56150364A publication Critical patent/JPS56150364A/ja
Publication of JPS6324265B2 publication Critical patent/JPS6324265B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Locating Faults (AREA)
JP5317780A 1980-04-21 1980-04-21 Detector for leakage of electricity Granted JPS56150364A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5317780A JPS56150364A (en) 1980-04-21 1980-04-21 Detector for leakage of electricity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5317780A JPS56150364A (en) 1980-04-21 1980-04-21 Detector for leakage of electricity

Publications (2)

Publication Number Publication Date
JPS56150364A true JPS56150364A (en) 1981-11-20
JPS6324265B2 JPS6324265B2 (https=) 1988-05-19

Family

ID=12935576

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5317780A Granted JPS56150364A (en) 1980-04-21 1980-04-21 Detector for leakage of electricity

Country Status (1)

Country Link
JP (1) JPS56150364A (https=)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4978854A (https=) * 1972-12-07 1974-07-30
JPS51130839A (en) * 1975-05-08 1976-11-13 Kansai Denki Hoan Kyokai Method for detecting trouble of electric insulation

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4978854A (https=) * 1972-12-07 1974-07-30
JPS51130839A (en) * 1975-05-08 1976-11-13 Kansai Denki Hoan Kyokai Method for detecting trouble of electric insulation

Also Published As

Publication number Publication date
JPS6324265B2 (https=) 1988-05-19

Similar Documents

Publication Publication Date Title
US4083001A (en) Measurement of motor winding temperature
ES476787A1 (es) Una disposicion de circuito de proteccion contra corrientes de averia.
EP4133289B1 (en) Energy metering and surge current detection
JPS56150364A (en) Detector for leakage of electricity
CA2083587A1 (en) Apparatus for measuring the flowrate of a fluid
JPS55155258A (en) Device for measuring characteristic of gapless arrester
JPS5682443A (en) Transformation rate measuring apparatus of steel material
JPS5641783A (en) Monitoring and controlling device for output of induction motor
JPS56112662A (en) Measuring apparatus for loss of capacity element
JPS5444735A (en) Leak detector with leak indicator
JPS5527957A (en) Electromagnetic flow meter
JPS5658666A (en) Avometer having impedance range
SU800912A1 (ru) Измеритель модул параметров четырех-пОлюСНиКОВ
JPS5654314A (en) Flow-rate measuring method by electromagnetic flow meter
JPS5523443A (en) Flow-rate measuring method by electromagnetic flow meter
RU1800546C (ru) Устройство дл контрол изол ции цепей генераторного напр жени блока генератор-трансформатор с вод ным непосредственным охлаждением обмоток статора
JPS54109883A (en) Floating capacity measuring apparatus
JPS57190284A (en) Detection of buried position of underground conductor
JPS54159251A (en) Electric energy detector
JPS55125414A (en) Device for detecting distribution of flowing speed in pipeline of conductive fluid
GB1087950A (en) Proximity detectors
JPS55122163A (en) Wattmeter
JPS5352901A (en) Detection and detector for fault point in motor
JPS573054A (en) Pulse receiver for searching fault point
JPS5570752A (en) Balancing type partial discharge test circuit