JP2020109397A5 - - Google Patents

Download PDF

Info

Publication number
JP2020109397A5
JP2020109397A5 JP2019220102A JP2019220102A JP2020109397A5 JP 2020109397 A5 JP2020109397 A5 JP 2020109397A5 JP 2019220102 A JP2019220102 A JP 2019220102A JP 2019220102 A JP2019220102 A JP 2019220102A JP 2020109397 A5 JP2020109397 A5 JP 2020109397A5
Authority
JP
Japan
Prior art keywords
electrical
signal
led
sensor
electrical system
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.)
Pending
Application number
JP2019220102A
Other languages
English (en)
Japanese (ja)
Other versions
JP2020109397A (ja
Filing date
Publication date
Priority claimed from US16/235,747 external-priority patent/US11287463B2/en
Application filed filed Critical
Publication of JP2020109397A publication Critical patent/JP2020109397A/ja
Publication of JP2020109397A5 publication Critical patent/JP2020109397A5/ja
Priority to JP2024080624A priority Critical patent/JP2024098035A/ja
Pending legal-status Critical Current

Links

JP2019220102A 2018-12-28 2019-12-05 部分放電変換器 Pending JP2020109397A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2024080624A JP2024098035A (ja) 2018-12-28 2024-05-17 部分放電変換器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16/235,747 2018-12-28
US16/235,747 US11287463B2 (en) 2018-12-28 2018-12-28 Partial discharge transducer

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2024080624A Division JP2024098035A (ja) 2018-12-28 2024-05-17 部分放電変換器

Publications (2)

Publication Number Publication Date
JP2020109397A JP2020109397A (ja) 2020-07-16
JP2020109397A5 true JP2020109397A5 (https=) 2022-12-08

Family

ID=69055781

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2019220102A Pending JP2020109397A (ja) 2018-12-28 2019-12-05 部分放電変換器
JP2024080624A Pending JP2024098035A (ja) 2018-12-28 2024-05-17 部分放電変換器

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2024080624A Pending JP2024098035A (ja) 2018-12-28 2024-05-17 部分放電変換器

Country Status (4)

Country Link
US (2) US11287463B2 (https=)
EP (1) EP3674721B1 (https=)
JP (2) JP2020109397A (https=)
AU (1) AU2019275595B2 (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6690609B2 (ja) * 2017-04-06 2020-04-28 株式会社村田製作所 磁界発生回路
US11067610B2 (en) * 2018-12-28 2021-07-20 Palo Alto Research Center Incorporated Partial discharge detector
DE102019216148A1 (de) * 2019-10-21 2021-04-22 Robert Bosch Gmbh Verfahren und Schaltung zur einfachen Messung der Phasenverschiebung zwischen zwei gleichfrequenten digitalen Taktsignalen
US11159248B2 (en) * 2019-12-18 2021-10-26 Teradyne, Inc. Optical receiving device
KR102413919B1 (ko) * 2020-12-21 2022-06-29 (주)에이피엠테크놀러지스 부분 방전 감시 시스템 및 부분 감시 방법
US11796584B2 (en) 2022-01-03 2023-10-24 Xerox Corporation Partial discharge detection system and method
JP7804485B2 (ja) * 2022-02-28 2026-01-22 株式会社日立産機システム 部分放電検出装置、及び部分放電検出方法

Family Cites Families (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS534968U (https=) * 1976-06-29 1978-01-17
JPS6016163B2 (ja) 1978-02-03 1985-04-24 株式会社日立製作所 ガス絶縁電気機器およびその部分放電検出方法
JPS54136382A (en) * 1978-04-14 1979-10-23 Toshiba Corp Partial discharge measuring circuit
US4245187A (en) * 1979-05-10 1981-01-13 The United States Of America As Represented By The Secretary Of The Navy VLF Capacitor corona detection
JPS55152474A (en) 1979-05-18 1980-11-27 Hitachi Ltd Partial discharge detection circuit
US4630218A (en) * 1983-04-22 1986-12-16 Cooper Industries, Inc. Current measuring apparatus
US5214595A (en) 1988-05-16 1993-05-25 Hitachi, Ltd. Abnormality diagnosing system and method for a high voltage power apparatus
JPH04151575A (ja) * 1990-10-15 1992-05-25 Takaoka Electric Mfg Co Ltd 接地線の部分放電検出によるデジタル型絶縁劣化診断システム及び当該超高速アナログ―デジタル変換収録装置
JPH0572255A (ja) * 1991-09-18 1993-03-23 Furukawa Electric Co Ltd:The ケーブルの部分放電測定方法
JPH0580112A (ja) * 1991-09-24 1993-04-02 Fujikura Ltd 電力ケーブルの異常診断装置
JP3176000B2 (ja) 1993-09-30 2001-06-11 株式会社東芝 スイッチギヤの部分放電検出装置
US5530364A (en) 1994-12-27 1996-06-25 The University Of Connecticut Cable partial discharge location pointer
JPH08184636A (ja) * 1994-12-28 1996-07-16 Hitachi Ltd 電力機器の絶縁診断方法
JPH0980111A (ja) * 1995-09-14 1997-03-28 Toshiba Corp 部分放電検出装置
JPH11174111A (ja) 1997-12-12 1999-07-02 Kawasaki Steel Corp 交流電動機の絶縁劣化検出装置
JPH11304871A (ja) * 1998-04-16 1999-11-05 Nissin Electric Co Ltd 碍子の汚損検出装置
JP2000088911A (ja) * 1998-09-14 2000-03-31 Showa Electric Wire & Cable Co Ltd 絶縁体の水トリー劣化診断方法
JP2000346901A (ja) 1999-06-04 2000-12-15 Nissin Electric Co Ltd 電気機器の部分放電検出装置及び検出器
US6172862B1 (en) 1999-06-11 2001-01-09 Anthony J. Jonnatti Partial discharge relay and monitoring device
AUPQ260599A0 (en) 1999-09-02 1999-09-23 Transgrid Partial discharge monitoring system for transformers
JP2001242212A (ja) * 2000-03-02 2001-09-07 Mitsubishi Electric Corp ガス絶縁電気機器の部分放電の種類判定方法および装置
JP2002148301A (ja) 2000-11-10 2002-05-22 Mitsubishi Electric Corp 部分放電検出装置
US6472855B2 (en) 2001-01-12 2002-10-29 Semiconductor Components Industries Llc Voltage regulator circuit with transient generator to respond to load current changes and method therefor
US20020131114A1 (en) 2001-03-15 2002-09-19 The Regents Of The University Of California Method and apparatus for optical signal processing using subcarrier multiplexed headers
US6930610B2 (en) 2002-05-03 2005-08-16 General Electric Company Monitoring system and method for wiring systems
US7711510B2 (en) 2002-10-24 2010-05-04 Lecroy Corporation Method of crossover region phase correction when summing signals in multiple frequency bands
FR2868845B1 (fr) 2004-04-13 2006-05-26 Areva T & D Sa Procede de detection et de localisation de source de decharge partielle dans un appareil electrique
WO2006019164A1 (ja) 2004-08-20 2006-02-23 Kabushiki Kaisha Toshiba 回転電機の部分放電検出装置および検出方法
JP2006098270A (ja) * 2004-09-30 2006-04-13 Jfe Steel Kk 交流回転機の保全方法
JP4323418B2 (ja) 2004-12-16 2009-09-02 株式会社日本Ａｅパワーシステムズ ガス絶縁機器の異常状態診断方法およびシステム
US7646308B2 (en) * 2007-10-30 2010-01-12 Eaton Corporation System for monitoring electrical equipment and providing predictive diagnostics therefor
JP2010230498A (ja) * 2009-03-27 2010-10-14 Kanto Denki Hoan Kyokai 高圧部分放電測定装置
US20100332161A1 (en) 2009-06-24 2010-12-30 General Electric Company Monitoring system and method for wiring systems
WO2011034253A1 (ko) 2009-09-15 2011-03-24 한국전기안전공사 원격 전기 안전 진단 시스템 및 장치
GB2557512B (en) * 2011-09-28 2018-09-26 Korea Electric Power Corp Device for removing partial discharge noise and method of diagnosing the same
US8711982B1 (en) 2013-03-08 2014-04-29 Hong Kong Applied Science & Technology Research Institute Company, Ltd. Amplitude-shift-keying (ASK) envelope detector and demodulation circuits
US9482699B2 (en) 2013-06-18 2016-11-01 Advanced Power Technologies, Llc Method and apparatus for monitoring high voltage bushings safely
KR101496442B1 (ko) 2013-07-01 2015-02-27 한빛이디에스(주) 케이블 부분방전 진단 장치
WO2015172849A1 (en) 2014-05-16 2015-11-19 Prysmian S.P.A. A partial discharge acquisition system comprising a capacitive coupling electric field sensor
EP3259961B1 (en) * 2015-02-20 2019-12-04 Hubbell Incorporated Light emitting diode thermal foldback control device and method
NZ738108A (en) 2015-06-05 2020-03-27 Ormazabal Prot & Automation S L U System for detecting and indicating partial discharges and voltage
US10281454B2 (en) 2015-06-24 2019-05-07 Fresenius Medical Care Holdings, Inc. Tunable optical receiver
US9976989B2 (en) 2015-12-15 2018-05-22 General Electric Company Monitoring systems and methods for electrical machines
GB201604402D0 (en) 2016-03-15 2016-04-27 Purelifi Ltd Driver apparatus
WO2018097798A1 (en) * 2016-11-23 2018-05-31 Agency For Science, Technology And Research Light emitting diode communication device, method of forming and operating the same
US11181570B2 (en) * 2018-06-15 2021-11-23 Rosemount Inc. Partial discharge synthesizer
US11067610B2 (en) 2018-12-28 2021-07-20 Palo Alto Research Center Incorporated Partial discharge detector

Similar Documents

Publication Publication Date Title
JP2020109397A5 (https=)
US11067610B2 (en) Partial discharge detector
US11287463B2 (en) Partial discharge transducer
JP6741798B2 (ja) 大型の太陽電池アレイにおける電池パネルの故障検出と位置特定システム
CN107966223A (zh) 一种振弦传感器激振优化方法和振弦采集装置
CN105527015B (zh) 柔性结构共振频率可视化检测系统及方法
RU2015115909A (ru) Диагностика шума измерения параметра процесса
CN110672996A (zh) 一种城市电缆多维数据集成带电检测装置
US20140052390A1 (en) Apparatus and method for detecting error and variation in light-emitting diode lightting
KR101642680B1 (ko) 태양광 발전 모니터링 시스템
CN111624445A (zh) 一种基于红外测温传感器的局放检测方法和系统
CN103148793B (zh) 基于光子计数的超多点低反射率光纤光栅传感系统
CN119154799B (zh) 一种光伏发电弱电网适应性检测方法
KR20190109704A (ko) 부분 방전 검출 시스템
JP4756904B2 (ja) 波形測定方法及びこれを用いた保安器の劣化検出装置
CN104062673B (zh) 核分析仪自诊断系统
Li et al. Self-powered powerline monitor with strong anti-interference based on Maxwell’s displacement current-driven LED
KR102507190B1 (ko) 설비 모니터링 시스템
CN104596634A (zh) 一种振动频率测量方法
CN112305300B (zh) 一种电压检测传感器及系统
KR100355050B1 (ko) 디지털 엔코딩을 이용한 음향방출 검출장치
TWI687700B (zh) 馬達振動或噪音頻率偵測裝置及其方法
KR101743640B1 (ko) 태양광 발전 자가 진단장치
CN105245228A (zh) 一种信号采集控制电路
JP3196600U (ja) 被テストエレメントの総数を自動判定しモニターする交流電流ディテクター