NO965625L - Fremgangsmåte og apparat for overvåking av en krafttransformator mht partiell utladning - Google Patents
Fremgangsmåte og apparat for overvåking av en krafttransformator mht partiell utladningInfo
- Publication number
- NO965625L NO965625L NO965625A NO965625A NO965625L NO 965625 L NO965625 L NO 965625L NO 965625 A NO965625 A NO 965625A NO 965625 A NO965625 A NO 965625A NO 965625 L NO965625 L NO 965625L
- Authority
- NO
- Norway
- Prior art keywords
- pct
- power transformer
- output signals
- bushing
- monitoring
- Prior art date
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
-
- 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
- G01R31/62—Testing of transformers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/142—Arrangements for simultaneous measurements of several parameters employing techniques covered by groups G01R15/14 - G01R15/26
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Testing Relating To Insulation (AREA)
- Protection Of Transformers (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Housings And Mounting Of Transformers (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
I en fremgangsmåte for overvåking av partielle utladninger i en elektrisk krafttransformator (1) under normale driftsbetingelser registreres det magne- tiske felt ved et høyspenningsuttak (2) på transformatoren, ved hjelp av en induktiv sensor (6) som minst omfatter en spole (6a, 6b) anordnet på uttaket, og det elektriske felt på uttaket regi- streres med en kapasitiv føler (5). Utgangssignalene fra følerne går til en signalbehandlingsenhet (3) hvor signa- lene filtreres i separate båndpassfiltre (101, 102). Fra filtrene går de filt- rerte signaler til en multiplikator for å multipliseres med hverandre. Et ut- gangssignal PDI fra signalbehandlingsen- heten formes i avhengighet av resultatet av multiplikasjonen, i den hensikt å kunne overvåke og registrere interne partielle utladninger i transformatoren (1).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9501664A SE515387C2 (sv) | 1995-05-02 | 1995-05-02 | Övervakning av interna partiella urladdningar i en krafttransformator |
PCT/SE1996/000558 WO1996035128A1 (en) | 1995-05-02 | 1996-04-29 | Monitoring of internal partial discharges on a power transformer |
Publications (2)
Publication Number | Publication Date |
---|---|
NO965625D0 NO965625D0 (no) | 1996-12-30 |
NO965625L true NO965625L (no) | 1996-12-30 |
Family
ID=20398202
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO965625A NO965625L (no) | 1995-05-02 | 1996-12-30 | Fremgangsmåte og apparat for overvåking av en krafttransformator mht partiell utladning |
Country Status (16)
Country | Link |
---|---|
US (1) | US5903158A (no) |
EP (1) | EP0769150B1 (no) |
JP (1) | JPH10505913A (no) |
CN (1) | CN1078709C (no) |
AT (1) | ATE389186T1 (no) |
AU (1) | AU695413B2 (no) |
BR (1) | BR9606349A (no) |
CA (1) | CA2192856C (no) |
CZ (1) | CZ384996A3 (no) |
DE (1) | DE69637461T2 (no) |
EA (1) | EA000019B1 (no) |
ES (1) | ES2302335T3 (no) |
NO (1) | NO965625L (no) |
PL (1) | PL317610A1 (no) |
SE (1) | SE515387C2 (no) |
WO (1) | WO1996035128A1 (no) |
Families Citing this family (58)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE508154C2 (sv) * | 1996-10-16 | 1998-09-07 | Abb Research Ltd | Anordning för övervakning av partiella urladdningar i en elektrisk högspänningsapparat eller högspänningsutrustning |
SE9700836L (sv) * | 1997-03-10 | 1998-09-07 | Abb Research Ltd | Anordning för avkänning av elektriska urladdningar i ett provobjekt med två elektriska anslutningsledare |
US6420879B2 (en) * | 1998-02-02 | 2002-07-16 | Massachusetts Institute Of Technology | System and method for measurement of partial discharge signals in high voltage apparatus |
AUPP195898A0 (en) * | 1998-02-23 | 1998-03-19 | University Of Sydney, The | High voltage power monitoring apparatus |
DE19832387A1 (de) * | 1998-07-18 | 2000-01-20 | Asea Brown Boveri | Verfahren zum Feststellen von Einbau- und/oder Kalibrierungsfehlern einer Mehrzahl von Signalauskopplungseinheiten eines oder mehrerer Teilentladungsmeßsysteme |
US6489782B1 (en) | 2000-12-21 | 2002-12-03 | Eaton Corporation | Electrical system with a stand-off insulator-sensor for on-line partial discharge monitoring of the state of high-voltage insulation |
US6504382B2 (en) | 2000-12-21 | 2003-01-07 | Eaton Corporation | Electrical system with a stress shield system for partial discharge on-line monitoring of the state of high-voltage insulation |
US6433557B1 (en) | 2000-12-21 | 2002-08-13 | Eaton Corporation | Electrical system with capacitance tap and sensor for on-line monitoring the state of high-voltage insulation and remote monitoring device |
AU2003267842A1 (en) * | 2002-10-10 | 2004-05-04 | Hanyang Hak Won Co., Ltd. | Hybrid type sensor for detecting high frequency partial discharge |
US6833713B2 (en) * | 2003-01-31 | 2004-12-21 | Delphi Technologies, Inc. | Smart wire harness for an electrical circuit |
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CN103513132B (zh) * | 2013-09-23 | 2016-10-19 | 国家电网公司 | 输变电系统设备状态仿真装置 |
CN103543391B (zh) * | 2013-09-29 | 2016-05-25 | 广西电网公司电力科学研究院 | 一种直流局部放电源检测与识别装置 |
US20150098161A1 (en) * | 2013-10-09 | 2015-04-09 | Hamilton Sundstrand Corporation | Integrated corona fault detection |
RU2552842C2 (ru) * | 2013-10-17 | 2015-06-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Нижегородский государственный технический университет им. Р.Е. Алексеева", НГТУ | Цифровая трансформаторная подстанция |
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US11181570B2 (en) | 2018-06-15 | 2021-11-23 | Rosemount Inc. | Partial discharge synthesizer |
US10833531B2 (en) | 2018-10-02 | 2020-11-10 | Rosemount Inc. | Electric power generation or distribution asset monitoring |
CN109375013A (zh) * | 2018-10-19 | 2019-02-22 | 江苏盛久变压器有限公司 | 一种变压器的测试系统 |
RU2700369C1 (ru) * | 2018-12-26 | 2019-09-16 | федеральное государственное бюджетное образовательное учреждение высшего образования "Ивановский государственный энергетический университет имени В.И. Ленина" (ИГЭУ) | Устройство контроля технического состояния цифрового трансформатора по параметрам частичных разрядов в изоляции |
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EP3839524A1 (en) * | 2019-12-16 | 2021-06-23 | E.On Se | Method, device and arrangement for monitoring alternating current electric apparatuses |
AT523525B1 (de) | 2020-03-31 | 2021-09-15 | Baur Gmbh | Elektrische Schaltungsanordnung |
CN111751676B (zh) * | 2020-05-26 | 2024-09-10 | 南方电网科学研究院有限责任公司 | 能区分变压器和套管局部放电信号的检测系统及方法 |
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CN112731075B (zh) * | 2020-12-17 | 2022-04-29 | 国网电力科学研究院武汉南瑞有限责任公司 | 一种传感器内置一体化结构的智能套管 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3488591A (en) * | 1965-03-11 | 1970-01-06 | Westinghouse Electric Corp | Voltage and current responsive apparatus employing molecular function block sensors sensitive to electric and magnetic fields for use in a high voltage bushing |
US3430136A (en) * | 1965-12-21 | 1969-02-25 | Gen Electric | Test equipment for identification and location of electrical faults in fluid-filled electric apparatus |
EP0241764B1 (de) * | 1986-04-14 | 1990-08-01 | Siemens Aktiengesellschaft | Verfahren und Vorrichtungen zur Erkennung und Lokalisierung von Schäden in elektrischen Anlagen |
CA1264183A (en) * | 1986-12-15 | 1990-01-02 | Wagih Z. Fam | Poynting vector probe for measuring electric power |
JPH0738011B2 (ja) * | 1988-05-16 | 1995-04-26 | 株式会社日立製作所 | 高圧電力機器の異常診断システム |
US5185685A (en) * | 1991-03-28 | 1993-02-09 | Eaton Corporation | Field sensing arc detection |
-
1995
- 1995-05-02 SE SE9501664A patent/SE515387C2/sv not_active IP Right Cessation
-
1996
- 1996-04-29 AT AT96913760T patent/ATE389186T1/de not_active IP Right Cessation
- 1996-04-29 CZ CZ963849A patent/CZ384996A3/cs unknown
- 1996-04-29 PL PL96317610A patent/PL317610A1/xx unknown
- 1996-04-29 EP EP96913760A patent/EP0769150B1/en not_active Expired - Lifetime
- 1996-04-29 US US08/750,592 patent/US5903158A/en not_active Expired - Lifetime
- 1996-04-29 EA EA199700012A patent/EA000019B1/ru not_active IP Right Cessation
- 1996-04-29 JP JP8533229A patent/JPH10505913A/ja active Pending
- 1996-04-29 CA CA002192856A patent/CA2192856C/en not_active Expired - Fee Related
- 1996-04-29 DE DE69637461T patent/DE69637461T2/de not_active Expired - Lifetime
- 1996-04-29 WO PCT/SE1996/000558 patent/WO1996035128A1/en not_active Application Discontinuation
- 1996-04-29 BR BR9606349A patent/BR9606349A/pt not_active Application Discontinuation
- 1996-04-29 CN CN96190440A patent/CN1078709C/zh not_active Expired - Fee Related
- 1996-04-29 ES ES96913760T patent/ES2302335T3/es not_active Expired - Lifetime
- 1996-04-29 AU AU56613/96A patent/AU695413B2/en not_active Ceased
- 1996-12-30 NO NO965625A patent/NO965625L/no unknown
Also Published As
Publication number | Publication date |
---|---|
CA2192856C (en) | 2000-09-19 |
NO965625D0 (no) | 1996-12-30 |
SE9501664L (sv) | 1996-11-03 |
AU695413B2 (en) | 1998-08-13 |
PL317610A1 (en) | 1997-04-14 |
BR9606349A (pt) | 1997-12-23 |
DE69637461T2 (de) | 2009-04-02 |
CA2192856A1 (en) | 1996-11-07 |
EA199700012A1 (ru) | 1997-09-30 |
EP0769150A1 (en) | 1997-04-23 |
AU5661396A (en) | 1996-11-21 |
ES2302335T3 (es) | 2008-07-01 |
EP0769150B1 (en) | 2008-03-12 |
CN1078709C (zh) | 2002-01-30 |
WO1996035128A1 (en) | 1996-11-07 |
CZ384996A3 (en) | 1997-03-12 |
EA000019B1 (ru) | 1997-12-30 |
US5903158A (en) | 1999-05-11 |
SE515387C2 (sv) | 2001-07-23 |
JPH10505913A (ja) | 1998-06-09 |
DE69637461D1 (de) | 2008-04-24 |
SE9501664D0 (sv) | 1995-05-02 |
ATE389186T1 (de) | 2008-03-15 |
CN1152355A (zh) | 1997-06-18 |
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