CN1279365C - 监测星形连接定子接地的方法和装置 - Google Patents
监测星形连接定子接地的方法和装置 Download PDFInfo
- Publication number
- CN1279365C CN1279365C CN 200310116532 CN200310116532A CN1279365C CN 1279365 C CN1279365 C CN 1279365C CN 200310116532 CN200310116532 CN 200310116532 CN 200310116532 A CN200310116532 A CN 200310116532A CN 1279365 C CN1279365 C CN 1279365C
- Authority
- CN
- China
- Prior art keywords
- zero
- voltage
- value
- current
- stator
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000012544 monitoring process Methods 0.000 title claims abstract description 9
- 238000004804 winding Methods 0.000 claims description 42
- 238000005259 measurement Methods 0.000 claims description 33
- 238000006243 chemical reaction Methods 0.000 claims description 25
- 238000012546 transfer Methods 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 7
- 238000007781 pre-processing Methods 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 description 14
- 239000013598 vector Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005457 optimization Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005339 levitation Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000000819 phase cycle Methods 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 238000011045 prefiltration Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
Images
Classifications
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- 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
- H02H7/06—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 generators; for synchronous capacitors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/16—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
- H02H3/33—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
- H02H3/337—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers avoiding disconnection due to reactive fault currents
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/38—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to both voltage and current; responsive to phase angle between voltage and current
- H02H3/382—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to both voltage and current; responsive to phase angle between voltage and current involving phase comparison between current and voltage or between values derived from current and voltage
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10253864.6 | 2002-11-15 | ||
| DE2002153864 DE10253864B4 (de) | 2002-11-15 | 2002-11-15 | Verfahren und Anordnung zur Erdschlussüberwachung eines Stators in Sternschaltung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1501092A CN1501092A (zh) | 2004-06-02 |
| CN1279365C true CN1279365C (zh) | 2006-10-11 |
Family
ID=32240161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310116532 Expired - Fee Related CN1279365C (zh) | 2002-11-15 | 2003-11-14 | 监测星形连接定子接地的方法和装置 |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1279365C (de) |
| DE (1) | DE10253864B4 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006023324A1 (de) * | 2006-05-11 | 2007-11-15 | Siemens Ag | Erfassung und Begrenzung maximaler Statorströme |
| RU2308137C1 (ru) * | 2006-06-23 | 2007-10-10 | Общество с ограниченной ответственностью "Исследовательский центр "Бреслер" | Способ определения интервалов однородности электрической величины |
| ES2565005T3 (es) | 2010-03-31 | 2016-03-30 | Sma Solar Technology Ag | Determinación de la parte de corriente de falta de una corriente diferencial |
| DE102011002084A1 (de) * | 2011-04-15 | 2012-10-18 | Sma Solar Technology Ag | Verfahren und Vorrichtung zur Bestimmung eines Fehlerstromanteils an einem Differenzstrom |
| CN102211531B (zh) * | 2011-04-29 | 2013-05-15 | 上海磁浮交通发展有限公司 | 确定长定子发生一相多点接地故障的方法 |
| RU2540267C1 (ru) * | 2013-08-27 | 2015-02-10 | Общество с ограниченной ответственностью Научно-производственное предприятие "ЭКРА" | Способ определения интервалов однородности электрической величины |
| CN116148709B (zh) * | 2022-12-28 | 2024-03-29 | 中国长江电力股份有限公司 | 大型发电机定子接地故障分支判定方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19629483A1 (de) * | 1996-07-12 | 1998-01-22 | Siemens Ag | Verfahren zum Überwachen von in Sternschaltung betriebenen Wicklungen des Stators einer elektrischen Maschine |
-
2002
- 2002-11-15 DE DE2002153864 patent/DE10253864B4/de not_active Expired - Fee Related
-
2003
- 2003-11-14 CN CN 200310116532 patent/CN1279365C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1501092A (zh) | 2004-06-02 |
| DE10253864A1 (de) | 2004-06-03 |
| DE10253864B4 (de) | 2005-04-21 |
| HK1062588A1 (en) | 2004-11-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1062588 Country of ref document: HK |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061011 Termination date: 20191114 |