RU2013138966A - DEVICE FOR PROTECTION AGAINST CIRCUIT TO EARTH IN THE WINDING OF THE STATOR OF THE GENERATOR - Google Patents
DEVICE FOR PROTECTION AGAINST CIRCUIT TO EARTH IN THE WINDING OF THE STATOR OF THE GENERATOR Download PDFInfo
- Publication number
- RU2013138966A RU2013138966A RU2013138966/07A RU2013138966A RU2013138966A RU 2013138966 A RU2013138966 A RU 2013138966A RU 2013138966/07 A RU2013138966/07 A RU 2013138966/07A RU 2013138966 A RU2013138966 A RU 2013138966A RU 2013138966 A RU2013138966 A RU 2013138966A
- Authority
- RU
- Russia
- Prior art keywords
- generator
- current
- terminals
- output
- input
- Prior art date
Links
- 238000004804 winding Methods 0.000 claims abstract 6
- 239000003990 capacitor Substances 0.000 claims abstract 2
- 238000012544 monitoring process Methods 0.000 claims abstract 2
- 210000000056 organ Anatomy 0.000 claims abstract 2
Landscapes
- Control Of Eletrric Generators (AREA)
- Emergency Protection Circuit Devices (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
Устройство для защиты от замыканий на землю в обмотке статора генератора, содержащее источник контрольного тока непромышленной частоты и токоограничивающий элемент, соединенные последовательно, первый измерительный трансформатор напряжения, подключенный к выводам генератора, к вторичной обмотке которого, соединенной в разомкнутый треугольник, подключены источник контрольного тока непромышленной частоты и токоограничивающий элемент, отличающееся тем, что в устройство введен конденсатор, включенный последовательно с источником контрольного тока непромышленной частоты и токоограничивающим элементом, второй измерительный трансформатор напряжения, подключенный к выводам генератора, пусковой орган, подключенный к вторичной обмотке второго измерительного трансформатора напряжения, соединенной в разомкнутый треугольник, логический элемент «И», первый вход которого подключен к выходу пускового органа, фильтр тока нулевой последовательности, подключенный к выводам генератора, избирательный орган, вход которого подключен к выходу фильтра тока нулевой последовательности, а выход к второму входу логического элемента «И».A device for protection against earth faults in the stator winding of the generator, containing a control current source of non-industrial frequency and a current-limiting element connected in series, a first measuring voltage transformer connected to the terminals of the generator, to the secondary winding of which is connected in an open triangle, a non-industrial control current source is connected frequency and current limiting element, characterized in that a capacitor is inserted into the device, connected in series with the source non-industrial frequency monitoring current and a current-limiting element, a second measuring voltage transformer connected to the terminals of the generator, a starting element connected to the secondary winding of the second voltage measuring transformer connected to an open triangle, an AND logic element, the first input of which is connected to the output of the starting element, zero sequence current filter connected to the terminals of the generator, a selective organ whose input is connected to the output of the zero sequence current filter Nost, and output to the second input of the logical element "AND".
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2013138966/07A RU2545183C1 (en) | 2013-08-20 | 2013-08-20 | Device for protecting of generator stator winding against fault to ground |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2013138966/07A RU2545183C1 (en) | 2013-08-20 | 2013-08-20 | Device for protecting of generator stator winding against fault to ground |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2013138966A true RU2013138966A (en) | 2015-02-27 |
| RU2545183C1 RU2545183C1 (en) | 2015-03-27 |
Family
ID=53279348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2013138966/07A RU2545183C1 (en) | 2013-08-20 | 2013-08-20 | Device for protecting of generator stator winding against fault to ground |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2545183C1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114200376A (en) * | 2021-11-13 | 2022-03-18 | 平顶山姚孟发电有限责任公司 | Fault prediction system for generator terminal voltage transformer and its control method |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2658645C1 (en) * | 2017-05-02 | 2018-06-22 | Общество с ограниченной ответственностью Научно-производственное предприятие "ЭКРА" | Method of protection the generator from the earth fault |
| CN108872791B (en) * | 2018-07-10 | 2019-10-25 | 重庆大学 | Single-phase high-resistance ground fault identification and protection method for small-resistance grounded distribution network |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1010690A1 (en) * | 1980-12-17 | 1983-04-07 | Томский Ордена Октябрьской Революции И Ордена Трудового Красного Знамени Политехнический Институт Им.С.М.Кирова | Device for protecting generator-transformer assembly from earthing |
| AT401442B (en) * | 1993-06-18 | 1996-09-25 | Elin Energieversorgung | DEVICE FOR PROTECTING THE STAND STANDING FROM A SYNCHRONOUS MACHINE |
| RU2096885C1 (en) * | 1995-07-26 | 1997-11-20 | Российское акционерное общество энергетики и электрификации "ЕЭС России" | Method and device for ground fault protection of generator stator winding |
| RU2358369C1 (en) * | 2008-07-21 | 2009-06-10 | Государственное образовательное учреждение высшего профессионального образования Томский политехнический университет | Device for protecting generator stator winding against fault to ground |
-
2013
- 2013-08-20 RU RU2013138966/07A patent/RU2545183C1/en active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114200376A (en) * | 2021-11-13 | 2022-03-18 | 平顶山姚孟发电有限责任公司 | Fault prediction system for generator terminal voltage transformer and its control method |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2545183C1 (en) | 2015-03-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| PH12018501258A1 (en) | Electrical generators with improved fault protection | |
| EA201591721A1 (en) | AUTOMATIC TRANSFORMER SYSTEM REDUCING THE HARMONIC REDUCTION COEFFICIENT | |
| IN2014CN02721A (en) | ||
| RU2013138966A (en) | DEVICE FOR PROTECTION AGAINST CIRCUIT TO EARTH IN THE WINDING OF THE STATOR OF THE GENERATOR | |
| EP2779379A3 (en) | Rotating diode assembly including overvoltage protection circuit | |
| WO2014115017A3 (en) | Inverter | |
| RU2012125915A (en) | DEVICE FOR CONTINUOUS CONTROL OF RESISTANCE OF CABLE INSULATION | |
| AR097170A1 (en) | APPARATUS AND METHOD FOR VOLTAGE CONTROL | |
| IN2014DE01194A (en) | ||
| RU2013104141A (en) | DIAGNOSTIC DEVICE FOR THE CONDITION OF ELECTRICAL RESISTANCE OF RAIL LINES IN RAIL CHAINS AT SITES WITH ELECTRIC AC AC | |
| RU2013129389A (en) | POWER TAKE-OFF DEVICE FROM ELECTRIC TRANSMISSION LINE | |
| WO2015001246A3 (en) | Starter voltage step-up device and corresponding combination of a starter and said device | |
| RU2013145932A (en) | DUPLEX SHOCK EXCITER | |
| RU2014118664A (en) | DEVICE FOR PROTECTION AGAINST INTERCONNECTIONS OF SECONDARY CIRCUITS OF CURRENT TRANSFORMERS | |
| RU2013123780A (en) | POWER CORRECTOR | |
| RU2012120600A (en) | DEVICE FOR SCALE CURRENT TRANSFORM | |
| RU2013128325A (en) | DIGITAL OUTPUT TRANSDUCER | |
| UA111065U (en) | DEVICE FOR PROTECTION OF CURRENT TRANSFORMERS AND ITS SECONDARY BIRDS | |
| RU2021119210A (en) | ELECTROPORATION DEVICE WITH IMPROVED SIGNAL GENERATOR | |
| RU2012109959A (en) | PULSE ELECTRIC POWER GENERATOR | |
| EA201692259A1 (en) | HIGH VOLTAGE TRANSFORMER | |
| RU2012100906A (en) | THREE-PHASE ASYNCHRONOUS WELDING GENERATOR WITH ELECTRIC COMMUNICATION OF STATOR WINDING | |
| RU2012152240A (en) | SELECTED AMPLIFIER WITH ADVANCED FREQUENCY RANGE | |
| RU2013124747A (en) | ISOLATION CONTROL DEVICE FOR HIGH VOLTAGE MOTOR WITH SEMICONDUCTOR CONVERTER | |
| UA124029U (en) | PULSE GENERATOR FOR ELECTRICAL |