NO960621D0 - Anordning for registrering av statorjordslutninger ved trefasemaskiner - Google Patents
Anordning for registrering av statorjordslutninger ved trefasemaskinerInfo
- Publication number
- NO960621D0 NO960621D0 NO960621A NO960621A NO960621D0 NO 960621 D0 NO960621 D0 NO 960621D0 NO 960621 A NO960621 A NO 960621A NO 960621 A NO960621 A NO 960621A NO 960621 D0 NO960621 D0 NO 960621D0
- Authority
- NO
- Norway
- Prior art keywords
- phase current
- earth leakage
- transformer
- voltage
- harmonic
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/0805—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors for synchronous motors
-
- 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
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
-
- 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
- G01R31/34—Testing dynamo-electric machines
- G01R31/346—Testing of armature or field windings
Landscapes
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
- Synchronous Machinery (AREA)
- Control Of Ac Motors In General (AREA)
- Protection Of Generators And Motors (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Motorcycle And Bicycle Frame (AREA)
- Control Of Turbines (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Control Of Multiple Motors (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0166393A AT401443B (de) | 1993-08-19 | 1993-08-19 | Anordnung zur erfassung von ständererdschlüssen bei drehstrommaschinen |
PCT/AT1994/000114 WO1995005695A1 (de) | 1993-08-19 | 1994-08-12 | Anordnung zur erfassung von ständererdschlüssen bei drehstrommaschinen |
Publications (2)
Publication Number | Publication Date |
---|---|
NO960621L NO960621L (no) | 1996-02-16 |
NO960621D0 true NO960621D0 (no) | 1996-02-16 |
Family
ID=3518301
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO960621A NO960621D0 (no) | 1993-08-19 | 1996-02-16 | Anordning for registrering av statorjordslutninger ved trefasemaskiner |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0714565B1 (cs) |
CN (1) | CN1037047C (cs) |
AT (2) | AT401443B (cs) |
CZ (1) | CZ284685B6 (cs) |
DE (1) | DE59402771D1 (cs) |
FI (1) | FI960732A (cs) |
NO (1) | NO960621D0 (cs) |
SK (1) | SK279599B6 (cs) |
WO (1) | WO1995005695A1 (cs) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1027612A1 (de) * | 1997-10-27 | 2000-08-16 | Siemens Aktiengesellschaft | Verfahren sowie messeinheit zur überprüfung des vorliegens einer nullleiterverbindung zwischen einem vierleiternetz und einer messeinheit |
DE10204489B4 (de) * | 2002-01-30 | 2006-01-05 | Demag Cranes & Components Gmbh | Antrieb für ein Hebezeug mit einem drei Motorwicklungen aufweisenden Dreiphasendrehstrommotor |
CN100438249C (zh) * | 2002-12-05 | 2008-11-26 | 上海交通大学 | 选择性发电机定子单相接地保护方法 |
CN100373729C (zh) * | 2005-01-14 | 2008-03-05 | 北京四方继保自动化股份有限公司 | 三次谐波动态调整判据结合电压比判据的定子接地保护 |
EP1890369B1 (en) * | 2006-08-18 | 2013-10-02 | ABB Research Ltd | Ground fault detection |
CN101383503B (zh) * | 2007-09-03 | 2011-06-22 | 深圳市汇川技术股份有限公司 | 检测电机对地短路的系统及方法 |
WO2012010193A1 (en) * | 2010-07-19 | 2012-01-26 | Abb Technology Ag | Device and method for detecting a ground fault |
CN102169749B (zh) * | 2011-01-26 | 2013-02-13 | 中电电气(江苏)股份有限公司 | 低零序阻抗缓谐波节能变压器 |
CN103403564B (zh) * | 2011-03-03 | 2015-08-12 | Abb研究有限公司 | 用于接地故障检测适配的方法 |
DE102012022139A1 (de) * | 2011-12-06 | 2013-06-06 | Heidelberger Druckmaschinen Ag | Vereinfachte elektrische Bremseinrichtung |
CN102692583B (zh) * | 2012-06-19 | 2014-06-11 | 国电大渡河检修安装有限公司 | 多支路发电机定子绕组接地短路点的查找方法 |
CN103532097B (zh) * | 2012-07-05 | 2016-12-21 | 中国石油天然气集团公司 | 一种移动发电机漏电保护装置 |
CN103575936B (zh) * | 2012-07-30 | 2016-04-13 | 广西玉柴机器股份有限公司 | 同步发电机定子绕组检测台架 |
CN103439656B (zh) * | 2013-06-27 | 2015-11-18 | 广东电网公司电力科学研究院 | 基于故障电流流向的发电机定子绕组及其电气主回路接地故障诊断方法 |
ES2454045B2 (es) * | 2013-12-18 | 2015-03-23 | Universidad Politécnica de Madrid | Sistema y método de localización de defectos a tierra en devanados estatóricos de máquinas síncronas puestas a tierra mediante una impedancia de elevado valor. |
CN105486974B (zh) * | 2015-12-31 | 2019-02-19 | 北京合康新能科技股份有限公司 | 检测电机的定子绕组端部接地的电路与方法 |
US10931223B2 (en) | 2019-05-08 | 2021-02-23 | Regal Beloit America, Inc. | Circuit for detecting status of ground connection in an electric motor |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH488305A (de) * | 1968-09-03 | 1970-03-31 | Bbc Brown Boveri & Cie | Erdschlussschutzeinrichtung für Drehstromgeneratoren unter Ausnutzung der im Generator entstehenden dritten Oberwellen |
US5305234A (en) * | 1991-12-31 | 1994-04-19 | Westinghouse Electric Corp. | Thermal protection apparatus for a synchronous machine |
-
1993
- 1993-08-19 AT AT0166393A patent/AT401443B/de not_active IP Right Cessation
-
1994
- 1994-08-12 WO PCT/AT1994/000114 patent/WO1995005695A1/de active IP Right Grant
- 1994-08-12 AT AT94922167T patent/ATE153190T1/de not_active IP Right Cessation
- 1994-08-12 SK SK198-96A patent/SK279599B6/sk unknown
- 1994-08-12 EP EP94922167A patent/EP0714565B1/de not_active Expired - Lifetime
- 1994-08-12 DE DE59402771T patent/DE59402771D1/de not_active Expired - Fee Related
- 1994-08-12 CZ CZ96352A patent/CZ284685B6/cs not_active IP Right Cessation
- 1994-08-12 CN CN94193154A patent/CN1037047C/zh not_active Expired - Fee Related
-
1996
- 1996-02-16 FI FI960732A patent/FI960732A/fi unknown
- 1996-02-16 NO NO960621A patent/NO960621D0/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
AT401443B (de) | 1996-09-25 |
CZ284685B6 (cs) | 1999-02-17 |
CN1037047C (zh) | 1998-01-14 |
CN1129495A (zh) | 1996-08-21 |
CZ35296A3 (en) | 1996-05-15 |
EP0714565B1 (de) | 1997-05-14 |
WO1995005695A1 (de) | 1995-02-23 |
FI960732A0 (fi) | 1996-02-16 |
FI960732A (fi) | 1996-02-16 |
SK279599B6 (sk) | 1999-01-11 |
EP0714565A1 (de) | 1996-06-05 |
NO960621L (no) | 1996-02-16 |
ATA166393A (de) | 1996-01-15 |
SK19896A3 (en) | 1996-08-07 |
DE59402771D1 (de) | 1997-06-19 |
ATE153190T1 (de) | 1997-05-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FC2A | Withdrawal, rejection or dismissal of laid open patent application |