SG11202104904RA - Partial discharge detection apparatus and partial discharge detection method - Google Patents

Partial discharge detection apparatus and partial discharge detection method

Info

Publication number
SG11202104904RA
SG11202104904RA SG11202104904RA SG11202104904RA SG11202104904RA SG 11202104904R A SG11202104904R A SG 11202104904RA SG 11202104904R A SG11202104904R A SG 11202104904RA SG 11202104904R A SG11202104904R A SG 11202104904RA SG 11202104904R A SG11202104904R A SG 11202104904RA
Authority
SG
Singapore
Prior art keywords
partial discharge
discharge detection
detection method
detection apparatus
partial
Prior art date
Application number
SG11202104904RA
Inventor
Kazuhisa Takami
Shoji Yoshida
Mitsuyasu Kido
Tatsuya Maruyama
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of SG11202104904RA publication Critical patent/SG11202104904RA/en

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
    • G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
    • G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
    • G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
    • G01R31/1272—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/2506—Arrangements for conditioning or analysing measured signals, e.g. for indicating peak values ; Details concerning sampling, digitizing or waveform capturing
    • G01R19/2509—Details concerning sampling, digitizing or waveform capturing
    • 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
    • G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
    • G01R31/14—Circuits therefor, e.g. for generating test voltages, sensing circuits
    • 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
SG11202104904RA 2018-12-12 2019-08-22 Partial discharge detection apparatus and partial discharge detection method SG11202104904RA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018232934A JP7130542B2 (en) 2018-12-12 2018-12-12 Partial discharge detection device and partial discharge detection method
PCT/JP2019/032828 WO2020121600A1 (en) 2018-12-12 2019-08-22 Partial discharge detection device and partial discharge detection method

Publications (1)

Publication Number Publication Date
SG11202104904RA true SG11202104904RA (en) 2021-06-29

Family

ID=71075532

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202104904RA SG11202104904RA (en) 2018-12-12 2019-08-22 Partial discharge detection apparatus and partial discharge detection method

Country Status (5)

Country Link
US (1) US11644498B2 (en)
EP (1) EP3896467A4 (en)
JP (1) JP7130542B2 (en)
SG (1) SG11202104904RA (en)
WO (1) WO2020121600A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022176799A1 (en) * 2021-02-16 2022-08-25 株式会社 東芝 Partial discharge measurement system and partial discharge measurement method
CN114280432B (en) * 2021-11-24 2023-10-13 浙江新图维电子科技有限公司 Cable partial discharge monitoring equipment and method
JP2023172087A (en) * 2022-05-23 2023-12-06 日東工業株式会社 discharge detection system

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0580112A (en) * 1991-09-24 1993-04-02 Fujikura Ltd Failure diagnostic device for power cable
JP3124359B2 (en) * 1992-03-13 2001-01-15 古河電気工業株式会社 Method and apparatus for measuring partial discharge of power cable
JP2670424B2 (en) * 1994-02-14 1997-10-29 東京電力株式会社 Partial discharge measurement system
JPH0996657A (en) * 1995-09-29 1997-04-08 Fujikura Ltd Cable inspection equipment
JPH10170596A (en) 1996-12-09 1998-06-26 Hitachi Ltd System for diagnosing insulated apparatus and method for detecting partial discharge
CA2508428A1 (en) * 2005-05-20 2006-11-20 Hydro-Quebec Detection, locating and interpretation of partial discharge
US7112968B1 (en) * 2005-11-30 2006-09-26 Haneron Co., Ltd. Method and apparatus for detecting a partial discharge in a high-voltage transmission and distribution system
KR101308812B1 (en) * 2011-09-28 2013-09-13 한국전력공사 Apparatus and method for noise elimination of partial discharge
US10408873B2 (en) * 2013-05-10 2019-09-10 Prysmian S.P.A. Partial discharge signal processing method and apparatus employing neural network
KR101496442B1 (en) * 2013-07-01 2015-02-27 한빛이디에스(주) Partial discharge diagnosis device for the cable
JP2015040763A (en) * 2013-08-22 2015-03-02 株式会社日立製作所 Partial discharge measurement apparatus and method thereof
GB201315089D0 (en) * 2013-08-23 2013-10-09 Camlin Technologies Ltd Diagnostic method for automatic discrimination of phase-to-ground partial discharge, phase-to-phase partial discharge and electromagnetic noise
WO2015190260A1 (en) * 2014-06-10 2015-12-17 株式会社日立製作所 Partial discharge diagnosis system and partial discharge diagnosis method
JP6246751B2 (en) * 2015-02-12 2017-12-13 株式会社日立製作所 Insulation deterioration detection system, insulation deterioration detection method, and insulation deterioration detection sensor
KR101719741B1 (en) * 2015-05-20 2017-03-24 (주)스프링웨이브 Apparatus and method for transmitting data to power cable diagnostic device
WO2017022032A1 (en) * 2015-07-31 2017-02-09 株式会社日立製作所 Partial discharge detection device and partial discharge detection method
KR101641515B1 (en) * 2016-04-05 2016-07-22 (주)서전기전 The distribution panel including a diagnosis apparatus using HFCT
DE102017116613B3 (en) * 2017-07-24 2018-08-09 Maschinenfabrik Reinhausen Gmbh Method and test device for measuring partial discharge pulses of a shielded cable
WO2019078602A1 (en) * 2017-10-17 2019-04-25 (주)에코투모로우코리아 Device and method for processing partial discharge
WO2019182246A1 (en) * 2018-03-18 2019-09-26 Lg Electronics Inc. Partial discharge detecting system

Also Published As

Publication number Publication date
JP2020094909A (en) 2020-06-18
US11644498B2 (en) 2023-05-09
JP7130542B2 (en) 2022-09-05
EP3896467A1 (en) 2021-10-20
US20210373065A1 (en) 2021-12-02
EP3896467A4 (en) 2022-10-05
WO2020121600A1 (en) 2020-06-18

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