SG98078A1 - A protection system for protecting a poly-phase distribution transformer insulated in a liquid dielectric, the system including at least one phase disconnector switch - Google Patents
A protection system for protecting a poly-phase distribution transformer insulated in a liquid dielectric, the system including at least one phase disconnector switchInfo
- Publication number
- SG98078A1 SG98078A1 SG200206375A SG200206375A SG98078A1 SG 98078 A1 SG98078 A1 SG 98078A1 SG 200206375 A SG200206375 A SG 200206375A SG 200206375 A SG200206375 A SG 200206375A SG 98078 A1 SG98078 A1 SG 98078A1
- Authority
- SG
- Singapore
- Prior art keywords
- phase
- poly
- protecting
- distribution transformer
- liquid dielectric
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H79/00—Protective switches in which excess current causes the closing of contacts, e.g. for short-circuiting the apparatus to be protected
-
- 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
- H02H7/04—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 transformers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/10—Adaptation for built-in fuses
- H01H9/104—Adaptation for built-in fuses with interlocking mechanism between switch and fuse
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Emergency Protection Circuit Devices (AREA)
- Housings And Mounting Of Transformers (AREA)
- Regulation Of General Use Transformers (AREA)
- Fuses (AREA)
- Insulating Of Coils (AREA)
- Transformer Cooling (AREA)
- Protection Of Transformers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0113572A FR2831342B1 (fr) | 2001-10-22 | 2001-10-22 | Systeme de protection d'un transformateur de distribution triphase a isolation dans un dielectrique liquide comportant un interrupteur sectionneur de phase |
Publications (1)
Publication Number | Publication Date |
---|---|
SG98078A1 true SG98078A1 (en) | 2003-08-20 |
Family
ID=8868535
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG200206375A SG98078A1 (en) | 2001-10-22 | 2002-10-22 | A protection system for protecting a poly-phase distribution transformer insulated in a liquid dielectric, the system including at least one phase disconnector switch |
Country Status (12)
Country | Link |
---|---|
US (1) | US6839207B2 (no) |
EP (1) | EP1304785B1 (no) |
CN (1) | CN100391074C (no) |
AT (1) | ATE406682T1 (no) |
CA (1) | CA2409260A1 (no) |
DE (1) | DE60228535D1 (no) |
ES (1) | ES2311583T3 (no) |
FR (1) | FR2831342B1 (no) |
NO (1) | NO20025058L (no) |
PL (1) | PL200438B1 (no) |
PT (1) | PT1304785E (no) |
SG (1) | SG98078A1 (no) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7245033B2 (en) * | 2002-11-21 | 2007-07-17 | Energy & Engine Technology Corporation | Auxiliary heating and air conditioning unit for a diesel powered transport vehicle |
FR2854725B1 (fr) * | 2003-05-09 | 2006-12-29 | Alstom | Dispositif de protection d'un transformateur de distribution a isolation dans un dielectrique liquide |
KR20060111499A (ko) * | 2003-10-08 | 2006-10-27 | 에너지 앤드 엔진 테크놀러지 코포레이션 | 배터리 전력을 관리하기 위한 방법 및 시스템 |
SE0401780D0 (sv) * | 2004-07-02 | 2004-07-02 | Scandinova Ab | Skyddskrets |
FR2888034B1 (fr) * | 2005-06-29 | 2010-10-08 | Philippe Magnier | Dispositif de prevention contre l'explosion d'un transformateur electrique |
EP1806817A1 (en) * | 2006-01-09 | 2007-07-11 | Luis Gonzalo Flores Losada | Oil-immersed electrical equipment with a short-circuiting safety device |
US7710693B2 (en) * | 2006-09-22 | 2010-05-04 | Schweitzer Engineering Laboratories, Inc. | Apparatus and method for providing protection for a synchronous electrical generator in a power system |
ES2527091T3 (es) | 2007-12-28 | 2015-01-20 | Constructora De Transformadores De Distribución Cotradis, S.L.U. | Equipo eléctrico para red de distribución con sistema de detección, desconexión y eliminación de faltas |
US8345393B1 (en) | 2008-05-02 | 2013-01-01 | Mike Martinez | Exterior primary fuse system for transformers |
US7952461B2 (en) | 2008-05-08 | 2011-05-31 | Cooper Technologies Company | Sensor element for a fault interrupter and load break switch |
US8004377B2 (en) * | 2008-05-08 | 2011-08-23 | Cooper Technologies Company | Indicator for a fault interrupter and load break switch |
US20090277768A1 (en) * | 2008-05-08 | 2009-11-12 | Cooper Technologies Company | Low Oil Trip Assembly for a Fault Interrupter and Load Break Switch |
US7936541B2 (en) * | 2008-05-08 | 2011-05-03 | Cooper Technologies Company | Adjustable rating for a fault interrupter and load break switch |
US7920037B2 (en) * | 2008-05-08 | 2011-04-05 | Cooper Technologies Company | Fault interrupter and load break switch |
US7872203B2 (en) | 2008-08-14 | 2011-01-18 | Cooper Technologies Company | Dual voltage switch |
US8153916B2 (en) * | 2008-08-14 | 2012-04-10 | Cooper Technologies Company | Tap changer switch |
US8013263B2 (en) * | 2008-08-14 | 2011-09-06 | Cooper Technologies Company | Multi-deck transformer switch |
AU2009322358B2 (en) | 2008-12-04 | 2015-04-09 | Eaton Intelligent Power Limited | Low force low oil trip mechanism |
GB2466042B (en) * | 2008-12-09 | 2013-07-31 | Vphase Smart Energy Ltd | Voltage reduction |
EP2282322B9 (en) * | 2009-08-07 | 2012-05-16 | ABB Technology AG | A disconnector for electric power equipment filled with dielectic liquid |
US8405940B2 (en) * | 2009-10-13 | 2013-03-26 | Schweitzer Engineering Laboratories Inc | Systems and methods for generator ground fault protection |
EP2372860A1 (en) | 2010-03-30 | 2011-10-05 | Converteam Technology Ltd | Protection circuits and methods for electrical machines |
PL2395534T3 (pl) * | 2010-06-08 | 2013-10-31 | Eaton Electrical Ip Gmbh & Co | Układ wyzwalający w wyłączniku |
FR2964784B1 (fr) * | 2010-09-14 | 2012-10-12 | Areva T & D Sas | Commutateur de court-circuit bon marche |
PL2521156T3 (pl) * | 2011-05-06 | 2015-06-30 | Abb Technology Ag | Rozłącznik dla transformatorów dystrybucyjnych z cieczą dielektryczną |
GB201200331D0 (en) * | 2012-01-09 | 2012-02-22 | Dialight Europ Ltd | Improvements in switching contactors (II) |
US10288688B2 (en) | 2014-07-24 | 2019-05-14 | Schweitzer Engineering Laboratories, Inc. | Systems and methods for monitoring and protecting an electric power generator |
US9496707B2 (en) | 2014-12-22 | 2016-11-15 | Schweitzer Engineering Laboratories, Inc. | Generator protection element |
FR3034251B1 (fr) * | 2015-03-27 | 2017-04-28 | Schneider Electric Ind Sas | Interrupteur d'un reseau triphase |
DE102015106867A1 (de) * | 2015-05-04 | 2016-11-10 | Fritz Driescher KG Spezialfabrik für Elektrizitätswerksbedarf GmbH & Co. | Auslösung eines Erdungsschalters einer Schaltanlage |
GB201609661D0 (en) * | 2016-06-01 | 2016-07-20 | Secr Defence | A stored voltage discharging device |
US10931097B2 (en) | 2017-09-25 | 2021-02-23 | Schweitzer Engineering Laboratories, Inc. | Generator stator ground protection using third harmonic |
US10333291B2 (en) | 2017-09-25 | 2019-06-25 | Schweitzer Engineering Laboratories, Inc. | Multiple generator ground fault detection |
US10797632B2 (en) | 2018-08-21 | 2020-10-06 | Schweitzer Engineering Laboratories, Inc. | Sensitive directional element for generator protection |
US11196369B2 (en) | 2018-08-31 | 2021-12-07 | Schweitzer Engineering Laboratories, Inc. | Generator loss-of-field protection |
US11316455B2 (en) | 2019-08-28 | 2022-04-26 | Schweitzer Engineering Laboratories, Inc. | Generator rotor turn-to-turn fault detection using fractional harmonics |
US10819261B1 (en) | 2019-10-25 | 2020-10-27 | Schweitzer Engineering Laboratories, Inc. | Security improvements for electric power generator protection |
CN111682514B (zh) * | 2020-07-03 | 2022-08-02 | 广东电网有限责任公司电力科学研究院 | 10kV架空线路相间故障级差保护方法、系统及终端设备 |
US11631972B2 (en) | 2020-12-16 | 2023-04-18 | Schweitzer Engineering Laboratories, Inc. | Accurate modeling of equipment overexcitation damage curves |
US11946966B1 (en) | 2023-02-20 | 2024-04-02 | Schweitzer Engineering Laboratories, Inc. | Selective stator ground fault protection using positive-sequence voltage reference |
CN116313671B (zh) * | 2023-05-19 | 2023-07-25 | 国网山东省电力公司乐陵市供电公司 | 一种电力工程紧急切断保护装置 |
CN116505338B (zh) * | 2023-06-21 | 2023-09-08 | 华海通信技术有限公司 | 一种高压泄放保护装置以及海缆供电系统 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1102379A1 (fr) * | 1999-11-17 | 2001-05-23 | Alstom | Système de protection d'un transformateur de distribution triphasé à isolation dans un diélectrique liquide comportant un micro-sectionneur |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1989485A (en) * | 1932-10-06 | 1935-01-29 | Allis Chalmers Mfg Co | Rectifier protective system |
US2351969A (en) * | 1942-10-24 | 1944-06-20 | Westinghouse Electric & Mfg Co | Protective device for electrical apparatus |
US4223364A (en) * | 1978-05-25 | 1980-09-16 | Sangster Harold L | Pressure and temperature responsive protective devices |
FR2747245B1 (fr) * | 1996-04-04 | 1998-05-15 | Gec Alsthom T & D Sa | Systeme de protection d'un transformateur de distribution triphase a isolation dans un dielectrique liquide |
FI102329B1 (fi) * | 1997-02-06 | 1998-11-13 | Abb Transmit Oy | Kytkin sähköisen laitteen erottamiseksi sähköverkosta |
FR2782409B1 (fr) * | 1998-08-14 | 2002-11-29 | Schneider Electric Ind Sa | Transformateur immerge auto-protege par un dispositif incluant un disjoncteur et des fusibles |
-
2001
- 2001-10-22 FR FR0113572A patent/FR2831342B1/fr not_active Expired - Fee Related
-
2002
- 2002-10-16 EP EP02292560A patent/EP1304785B1/fr not_active Expired - Lifetime
- 2002-10-16 PT PT02292560T patent/PT1304785E/pt unknown
- 2002-10-16 DE DE60228535T patent/DE60228535D1/de not_active Expired - Lifetime
- 2002-10-16 AT AT02292560T patent/ATE406682T1/de not_active IP Right Cessation
- 2002-10-16 ES ES02292560T patent/ES2311583T3/es not_active Expired - Lifetime
- 2002-10-21 CA CA002409260A patent/CA2409260A1/fr not_active Abandoned
- 2002-10-21 US US10/274,406 patent/US6839207B2/en not_active Expired - Fee Related
- 2002-10-21 NO NO20025058A patent/NO20025058L/no unknown
- 2002-10-22 PL PL356794A patent/PL200438B1/pl not_active IP Right Cessation
- 2002-10-22 CN CNB021602328A patent/CN100391074C/zh not_active Expired - Fee Related
- 2002-10-22 SG SG200206375A patent/SG98078A1/en unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1102379A1 (fr) * | 1999-11-17 | 2001-05-23 | Alstom | Système de protection d'un transformateur de distribution triphasé à isolation dans un diélectrique liquide comportant un micro-sectionneur |
Also Published As
Publication number | Publication date |
---|---|
EP1304785B1 (fr) | 2008-08-27 |
US6839207B2 (en) | 2005-01-04 |
FR2831342B1 (fr) | 2003-12-19 |
ES2311583T3 (es) | 2009-02-16 |
EP1304785A1 (fr) | 2003-04-23 |
FR2831342A1 (fr) | 2003-04-25 |
NO20025058D0 (no) | 2002-10-21 |
US20030086218A1 (en) | 2003-05-08 |
PL356794A1 (en) | 2003-05-05 |
ATE406682T1 (de) | 2008-09-15 |
PL200438B1 (pl) | 2009-01-30 |
CN1421974A (zh) | 2003-06-04 |
CA2409260A1 (fr) | 2003-04-22 |
DE60228535D1 (de) | 2008-10-09 |
NO20025058L (no) | 2003-04-23 |
CN100391074C (zh) | 2008-05-28 |
PT1304785E (pt) | 2008-11-14 |
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