PT800251E - Sistema de proteccao de um transformador de distribuicao trifasico isolado num dielectrico liquido - Google Patents

Sistema de proteccao de um transformador de distribuicao trifasico isolado num dielectrico liquido

Info

Publication number
PT800251E
PT800251E PT97400556T PT97400556T PT800251E PT 800251 E PT800251 E PT 800251E PT 97400556 T PT97400556 T PT 97400556T PT 97400556 T PT97400556 T PT 97400556T PT 800251 E PT800251 E PT 800251E
Authority
PT
Portugal
Prior art keywords
voltage
protecting
phase distribution
distribution transformer
liquid dielectric
Prior art date
Application number
PT97400556T
Other languages
English (en)
Inventor
Thomas De Sedouy
Philippe Folliot
Original Assignee
Alstom T & D Sa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Alstom T & D Sa filed Critical Alstom T & D Sa
Publication of PT800251E publication Critical patent/PT800251E/pt

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency 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
    • H02H7/04Emergency 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02Details
    • H01H85/0241Structural association of a fuse and another component or apparatus
    • H01H2085/0291Structural association with a current transformer
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • H01H71/12Automatic release mechanisms with or without manual release
    • H01H71/122Automatic release mechanisms with or without manual release actuated by blowing of a fuse
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02Details
    • H02H3/021Details concerning the disconnection itself, e.g. at a particular instant, particularly at zero value of current, disconnection in a predetermined order
    • H02H3/023Details concerning the disconnection itself, e.g. at a particular instant, particularly at zero value of current, disconnection in a predetermined order by short-circuiting
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/08Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Transformers (AREA)
  • Insulating Of Coils (AREA)
PT97400556T 1996-04-04 1997-03-13 Sistema de proteccao de um transformador de distribuicao trifasico isolado num dielectrico liquido PT800251E (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9604248A FR2747245B1 (fr) 1996-04-04 1996-04-04 Systeme de protection d'un transformateur de distribution triphase a isolation dans un dielectrique liquide

Publications (1)

Publication Number Publication Date
PT800251E true PT800251E (pt) 2004-06-30

Family

ID=9490913

Family Applications (1)

Application Number Title Priority Date Filing Date
PT97400556T PT800251E (pt) 1996-04-04 1997-03-13 Sistema de proteccao de um transformador de distribuicao trifasico isolado num dielectrico liquido

Country Status (9)

Country Link
US (1) US5898556A (pt)
EP (1) EP0800251B1 (pt)
AT (1) ATE257625T1 (pt)
CA (1) CA2201770A1 (pt)
DE (1) DE69727093T2 (pt)
DK (1) DK0800251T3 (pt)
ES (1) ES2213809T3 (pt)
FR (1) FR2747245B1 (pt)
PT (1) PT800251E (pt)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2801141B1 (fr) * 1999-11-17 2001-12-14 Alstom Systeme de protection d'un transformateur de distribution triphase a isolation dans un dielectrique liquide comportant un micro-sectionneur
FR2804549B1 (fr) * 2000-01-31 2002-08-09 Transfix Toulon Soc Nouv Dispositif de protection perfectionne contre les effets des defauts internes d'un transformateur diphase
FR2831342B1 (fr) * 2001-10-22 2003-12-19 Alstom Systeme de protection d'un transformateur de distribution triphase a isolation dans un dielectrique liquide comportant un interrupteur sectionneur de phase
FR2837304B1 (fr) * 2002-03-13 2004-05-28 Commissariat Energie Atomique Dispositif electronique securise
FR2854725B1 (fr) * 2003-05-09 2006-12-29 Alstom Dispositif de protection d'un transformateur de distribution a isolation dans un dielectrique liquide
FR2886480B1 (fr) * 2005-05-31 2007-06-29 Areva T & D Sa Dispositif de detection fusible avec controle d'arc pour transformateur auto-protege
US7298055B2 (en) * 2005-07-15 2007-11-20 Abb Technology Ag Auxiliary power supply for a wind turbine
US7750501B2 (en) * 2005-10-27 2010-07-06 Continental Automotive Systems Us, Inc. System and method of over voltage control for a power system
EP1806817A1 (en) 2006-01-09 2007-07-11 Luis Gonzalo Flores Losada Oil-immersed electrical equipment with a short-circuiting safety device
EP2075807B1 (en) 2007-12-28 2014-09-17 Constructora de Transformadores de Distribucion Cotradis, S.L.U. Electrical equipment for distribution network with fault detection, disconnection and elimination system
US8345393B1 (en) 2008-05-02 2013-01-01 Mike Martinez Exterior primary fuse system for transformers
DE102008047931A1 (de) * 2008-09-19 2010-04-08 Siemens Aktiengesellschaft Vorrichtung zur Absicherung eines mehrphasig betriebenen elektrischen Gerätes, mechanischer Trennschalter und Betriebsverfahren
FR2936909B1 (fr) * 2008-10-08 2010-11-19 Matelec S A L Systeme de protection pour transformateur electrique polyphase et transformateur electrique comprenant un tel systeme de protection
FR2942353B1 (fr) 2009-02-19 2011-06-17 Transfix Toulon Sa Soc Nouv Procede, dispositif et systeme de protection d'un appareil electrique, ainsi que transformateur et poste comportant un tel dispositif ou systeme
EP2282322B9 (en) * 2009-08-07 2012-05-16 ABB Technology AG A disconnector for electric power equipment filled with dielectic liquid
US8400320B2 (en) * 2009-12-30 2013-03-19 Eduardo Pedrosa Santos System for monitoring oil level and detecting leaks in power transformers, reactors, current and potential transformers, high voltage bushings and the like
US8994208B2 (en) * 2010-03-15 2015-03-31 Magna Electronics Inc. Backup power for overvoltage protection for electric vehicle
PL2395534T3 (pl) * 2010-06-08 2013-10-31 Eaton Electrical Ip Gmbh & Co Układ wyzwalający w wyłączniku
FR3026573B1 (fr) * 2014-09-30 2018-04-27 Transfix Systeme de protection pour transformateur electrique, et transformateur electrique associe
CN111477523B (zh) * 2020-04-14 2022-09-13 阳光电源股份有限公司 逆变箱变一体机及其保护方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2817794A (en) * 1955-09-09 1957-12-24 Mc Graw Edison Co Transformer overload protection
US3445726A (en) * 1966-12-15 1969-05-20 Gen Electric Protective system for gas-filled electric apparatus
US3666992A (en) * 1970-10-22 1972-05-30 Allis Chalmers Mfg Co Protective means for distribution transformer
US3916259A (en) * 1974-04-08 1975-10-28 Kuhlman Corp Fuse holder assembly
US4002949A (en) * 1975-11-13 1977-01-11 Kearney-National, Inc. Transformer protective system
US4223364A (en) * 1978-05-25 1980-09-16 Sangster Harold L Pressure and temperature responsive protective devices
DE3027564C2 (de) * 1980-07-21 1982-05-27 Claus Koenig Kg, 8520 Erlangen Klebstoffbeschichtungsgerät zur Beschichtung von flächigem Material
US5119262A (en) * 1988-08-22 1992-06-02 Murata Mfg. Co., Ltd. High-voltage transformer protection circuit
FR2712730B1 (fr) * 1993-11-15 1995-12-29 France Transfo Sa Transformateur électrique imergé protégé.

Also Published As

Publication number Publication date
CA2201770A1 (fr) 1997-10-04
DE69727093D1 (de) 2004-02-12
EP0800251A1 (fr) 1997-10-08
EP0800251B1 (fr) 2004-01-07
FR2747245A1 (fr) 1997-10-10
DK0800251T3 (da) 2004-04-13
ATE257625T1 (de) 2004-01-15
FR2747245B1 (fr) 1998-05-15
DE69727093T2 (de) 2004-08-05
US5898556A (en) 1999-04-27
ES2213809T3 (es) 2004-09-01

Similar Documents

Publication Publication Date Title
PT800251E (pt) Sistema de proteccao de um transformador de distribuicao trifasico isolado num dielectrico liquido
PL356794A1 (en) Protective system with a single-phase switch for protecting a three-phase power distribution transformer immersed in a liquid dielectric filled tank
EA199900657A2 (ru) Погруженный трансформатор, самозащищенный устройством, включающим автоматический выключатель и плавкие предохранители
Shipp et al. Characteristics of different power systems grounding techniques: Fact and fiction
US3678338A (en) Protective automatically disconnectable grouping means for an ungrounded a.c. electrical distribution system
PT1102379E (pt) Sistema de protecção de um transformador de distribuição trifásico com isolamento dentro de um líquido dieléctrico que inclui um micro interruptor(
DE60045657D1 (de) Verbesserte Vorrichtung zum Schutz gegen interne Fehler im Dreiphasen-Transformator
Horton et al. Unbalance protection of fuseless, split-wye, grounded, shunt capacitor banks
KR100530989B1 (ko) 지락 차단장치
DE69422142D1 (de) Selbstättig geschützter eingetauchter mehrphasiger elektrischer Transformator
Goodman et al. Static pressures developed in distribution transformers due to internal arcing under oil
SU881933A1 (ru) Трехфазна сеть переменного тока с заземленной нейтралью дл питани симметричных нагрузок
SU799065A1 (ru) Устройство дл защиты сетей 6-35квОТ зАМыКАНий HA зЕМлю
RU2007007C1 (ru) Устройство для защиты трансформатора, подключенного к линии электропередачи через отделитель
SU1010693A1 (ru) Устройство дл защиты от повреждений конденсаторной батареи,соединенной по схеме двойной звезды
SU803079A1 (ru) Устройство дл контрол неполно-фАзНыХ РЕжиМОВ РАбОТы элЕКТРи-чЕСКОй СЕТи
Wang et al. High-resistance grounding and selective ground fault protection for a major industrial facility
SU1339732A2 (ru) Устройство дл защиты статора генератора в блоке с трансформатором от замыканий на землю
SU1473000A1 (ru) Устройство дл ограничени токов замыкани на корпус в судовой электроэнергетической системе
SU391675A1 (ru) Устройство для защиты от коротких замыканий
RU2115206C1 (ru) Тогкоограничивающее устройство
SU1053214A1 (ru) Устройство дл блокировани включени на короткое замыкание шин, оборудованных выключател ми с емкостными делител ми напр жени на контактах
KR200303226Y1 (ko) 지락 차단장치
JPS6338503Y2 (pt)
RU1823061C (ru) Устройство дл контрол сопротивлени изол ции электрических цепей