JP5973716B2 - 変圧器健全性を監視する方法およびシステム - Google Patents
変圧器健全性を監視する方法およびシステム Download PDFInfo
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- JP5973716B2 JP5973716B2 JP2011272892A JP2011272892A JP5973716B2 JP 5973716 B2 JP5973716 B2 JP 5973716B2 JP 2011272892 A JP2011272892 A JP 2011272892A JP 2011272892 A JP2011272892 A JP 2011272892A JP 5973716 B2 JP5973716 B2 JP 5973716B2
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- 230000036541 health Effects 0.000 title claims description 35
- 238000012544 monitoring process Methods 0.000 title claims description 28
- 238000000034 method Methods 0.000 title claims description 23
- 238000004804 winding Methods 0.000 claims description 61
- 230000005284 excitation Effects 0.000 claims description 54
- 230000005291 magnetic effect Effects 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 230000008859 change Effects 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 238000004590 computer program Methods 0.000 description 3
- 230000003862 health status Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003302 ferromagnetic material Substances 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/20—Measuring number of turns; Measuring transformation ratio or coupling factor of windings
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Housings And Mounting Of Transformers (AREA)
- Protection Of Transformers (AREA)
Description
200 プロセス
400 変圧器健全性監視システム
402 巻数比モデラ
404 動作状態モデラ
406 診断モジュール
408 ディスプレイ
410 監視モジュール
412 変圧器
Claims (4)
- 変圧器の一次巻線を既知の一次電流または一次電圧に従属させるステップと、
前記変圧器の二次巻線を既知の負荷に従属させるステップと、
前記変圧器の前記二次巻線に関する二次電流または二次電圧を測定するステップと、
前記二次電流または二次電圧に対する前記既知の一次電流または一次電圧の比と、前記二次電流または二次電圧の逆数とのグラフ(100)を求めるステップと、
前記二次巻線の巻数に対する前記一次巻線の巻数を表す有効巻数比を、前記グラフのy切片に基づいて計算するステップと、
前記変圧器の前記一次電流および前記二次電流または前記変圧器の前記一次電圧および前記二次電圧と前記有効巻数比に基づいて、または前記グラフの傾きに基づいて、現在のインターバルにおける前記変圧器の励磁電流を計算することにより、前記変圧器の動作励磁電流を計算するステップと、
前記動作励磁電流に基づいて、前記変圧器の巻線間巻線故障を判定し表示するステップと、
を含む、
変圧器健全性監視のための方法(200)。 - 前記巻線間巻線故障を判定し表示するステップ(206)が、前記動作励磁電流と、前記変圧器の健全な状態を表す所定の励磁電流との間の差を計算するステップを含む、請求項1に記載の方法(200)。
- 三相変圧器の少なくとも1つの位相の健全性を監視するための請求項1または2に記載の方法。
- 単巻変圧器の健全性を監視するための請求項1または2に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/970,544 US8635034B2 (en) | 2010-12-16 | 2010-12-16 | Method and system for monitoring transformer health |
US12/970,544 | 2010-12-16 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2012129527A JP2012129527A (ja) | 2012-07-05 |
JP2012129527A5 JP2012129527A5 (ja) | 2015-01-29 |
JP5973716B2 true JP5973716B2 (ja) | 2016-08-23 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011272892A Active JP5973716B2 (ja) | 2010-12-16 | 2011-12-14 | 変圧器健全性を監視する方法およびシステム |
Country Status (3)
Country | Link |
---|---|
US (1) | US8635034B2 (ja) |
EP (1) | EP2474832B1 (ja) |
JP (1) | JP5973716B2 (ja) |
Families Citing this family (17)
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US20120130663A1 (en) * | 2009-07-23 | 2012-05-24 | Indian Institute Of Technology, Bombay | On-line diagnostic method for health monitoring of a transformer |
ES2439279T3 (es) * | 2010-12-17 | 2014-01-22 | Abb Research Ltd. | Método y aparato para diagnóstico de transformador |
US9419430B1 (en) * | 2011-08-04 | 2016-08-16 | Dynamic Ratings Pty Ltd | System for monitoring and modeling operation of a transformer |
US9128134B2 (en) | 2012-10-25 | 2015-09-08 | Avo Multi-Amp Corporation | Concurrent transformer test system and method |
DE102012220474A1 (de) | 2012-11-09 | 2014-05-15 | Bombardier Transportation Gmbh | Verfahren und Vorrichtung zur Überwachung eines Zustands eines Transformators |
CN103399230A (zh) * | 2013-07-31 | 2013-11-20 | 成都电业局双流供电局 | 电力变压器绕组在线监测系统 |
CN103488872B (zh) * | 2013-08-28 | 2016-06-29 | 广东电网公司电力调度控制中心 | 一种继电保护定值的在线预警方法 |
CN103884943B (zh) * | 2014-04-02 | 2016-08-17 | 国家电网公司 | 一种变压器绕组变形综合分析诊断方法 |
EP3132514A1 (en) * | 2014-04-15 | 2017-02-22 | ABB Schweiz AG | Transformer parameter estimation using terminal measurements |
US10538165B2 (en) * | 2015-09-22 | 2020-01-21 | Ford Global Technologies, Llc | Parameter estimation of loosely coupled transformer |
US9726706B1 (en) * | 2016-02-10 | 2017-08-08 | General Electric Company | Systems and methods for detecting turn-to-turn faults in windings |
EP3208622B1 (en) * | 2016-02-18 | 2021-01-20 | ABB Power Grids Switzerland AG | A method and a system for measuring power loss in a power transformer |
CN107180314B (zh) * | 2017-06-06 | 2020-07-28 | 中国南方电网有限责任公司 | 一种基于一二次系统关联关系的运维业务模型建模方法 |
EP3553539B1 (en) * | 2018-04-13 | 2020-07-01 | General Electric Technology GmbH | Apparatus and method for locating a fault in a plurality of windings of a transformer |
CA3163330C (en) * | 2020-01-14 | 2023-09-19 | S&C Electric Company | Transformer fault detection system |
EP4214526A4 (en) | 2020-10-06 | 2024-10-30 | Avo Multi Amp Corp Dba Megger Inc | TRANSFORMER TESTING SYSTEM AND METHOD |
CN115561676A (zh) * | 2022-09-19 | 2023-01-03 | 广东电网有限责任公司佛山供电局 | 一种配电变压器匝间短路位置的在线实时监测方法及装置 |
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JPS584309B2 (ja) * | 1978-10-30 | 1983-01-25 | 東京電力株式会社 | 変圧器の巻線短絡検出方法 |
JPS6126425A (ja) * | 1984-07-13 | 1986-02-05 | 株式会社明電舎 | 変圧器の保護装置 |
US4758774A (en) * | 1985-04-29 | 1988-07-19 | Special Instruments Laboratory, Incorporated | Portable tester and related method for determining the primary winding to secondary winding current ratio of an in-service current transformer |
JP2514211B2 (ja) * | 1987-07-29 | 1996-07-10 | 株式会社アイ・ケイ・ディー | トランスの巻数比測定方法及び装置 |
JP3160043B2 (ja) * | 1991-12-02 | 2001-04-23 | アジレント・テクノロジー株式会社 | 変成器パラメータの測定のための装置と方法 |
JPH1076371A (ja) * | 1996-08-30 | 1998-03-24 | Suzuki Motor Corp | 溶接トランスの巻数比決定方法 |
US6064172A (en) | 1997-02-11 | 2000-05-16 | Power Superconductor Applications Corporation | Method and apparatus for detection, classification and reduction of internal electrical faults in alternating current propulsion machinery using synchronous detection scheme |
JP3847556B2 (ja) * | 2000-12-22 | 2006-11-22 | 三菱電機株式会社 | 電磁誘導機器の健全性評価方法および試験方法 |
JP4482309B2 (ja) * | 2003-10-27 | 2010-06-16 | ミドリ安全株式会社 | 搬送波注入装置及び分割鉄心型トランスの異常検出方法 |
KR100568968B1 (ko) * | 2004-05-10 | 2006-04-07 | 명지대학교 산학협력단 | 변압기 보호를 위한 보상 전류 차동 계전 방법 및 시스템 |
WO2008057810A2 (en) * | 2006-11-02 | 2008-05-15 | Current Technology, Llc | System and method for determining distribution transformer efficiency |
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JP4983441B2 (ja) * | 2007-07-05 | 2012-07-25 | 東京電力株式会社 | 短絡判定装置、短絡判定方法 |
US7592772B2 (en) | 2007-10-08 | 2009-09-22 | University Of Victoria Innovation And Development Corporation | Stator inter-turn fault detection of synchronous machines |
US8031447B2 (en) | 2007-10-09 | 2011-10-04 | Schweitzer Engineering Laboratories, Inc. | Transformer through-fault current monitor |
US8288954B2 (en) * | 2008-12-07 | 2012-10-16 | Cirrus Logic, Inc. | Primary-side based control of secondary-side current for a transformer |
-
2010
- 2010-12-16 US US12/970,544 patent/US8635034B2/en active Active
-
2011
- 2011-12-07 EP EP11192393.4A patent/EP2474832B1/en active Active
- 2011-12-14 JP JP2011272892A patent/JP5973716B2/ja active Active
Also Published As
Publication number | Publication date |
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EP2474832A3 (en) | 2014-08-06 |
EP2474832B1 (en) | 2018-06-13 |
EP2474832A2 (en) | 2012-07-11 |
JP2012129527A (ja) | 2012-07-05 |
US8635034B2 (en) | 2014-01-21 |
US20120158325A1 (en) | 2012-06-21 |
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