EP1644951B1 - Verfahren und vorrichtung zur strombegrenzung mit einem flüssigmetall-strombegrenzer - Google Patents
Verfahren und vorrichtung zur strombegrenzung mit einem flüssigmetall-strombegrenzer Download PDFInfo
- Publication number
- EP1644951B1 EP1644951B1 EP04738057A EP04738057A EP1644951B1 EP 1644951 B1 EP1644951 B1 EP 1644951B1 EP 04738057 A EP04738057 A EP 04738057A EP 04738057 A EP04738057 A EP 04738057A EP 1644951 B1 EP1644951 B1 EP 1644951B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- current
- liquid metal
- path
- limiting
- electrical resistance
- 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 - Lifetime
Links
- 229910001338 liquidmetal Inorganic materials 0.000 title claims abstract description 143
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000033001 locomotion Effects 0.000 claims abstract description 25
- 230000001419 dependent effect Effects 0.000 claims abstract description 6
- 239000011159 matrix material Substances 0.000 claims abstract description 4
- 238000002955 isolation Methods 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 14
- 239000012530 fluid Substances 0.000 claims description 5
- 230000000630 rising effect Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 239000003989 dielectric material Substances 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000035484 reaction time Effects 0.000 abstract description 2
- 230000002441 reversible effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 20
- 238000009413 insulation Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 239000012212 insulator Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H77/00—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting
- H01H77/02—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism
- H01H77/10—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H29/00—Switches having at least one liquid contact
- H01H29/28—Switches having at least one liquid contact with level of surface of contact liquid displaced by fluid pressure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H29/00—Switches having at least one liquid contact
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H29/00—Switches having at least one liquid contact
- H01H29/20—Switches having at least one liquid contact operated by tilting contact-liquid container
- H01H29/22—Switches having at least one liquid contact operated by tilting contact-liquid container wherein contact is made and broken between liquid and solid
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H53/00—Relays using the dynamo-electric effect, i.e. relays in which contacts are opened or closed due to relative movement of current-carrying conductor and magnetic field caused by force of interaction between them
- H01H53/08—Relays using the dynamo-electric effect, i.e. relays in which contacts are opened or closed due to relative movement of current-carrying conductor and magnetic field caused by force of interaction between them wherein a mercury contact constitutes the current-carrying conductor
Definitions
- the electrical resistance as a function of the second position and the path-time characteristic of the liquid metal along the direction of movement is chosen so that in each second position of the liquid metal, the product of electrical resistance and current smaller than one Arc ignition voltage between the liquid metal and the fixed electrodes and intermediate electrodes and a sufficient slope of the current limit for controlling network-related short-circuit currents is achieved.
- Claim 6 shows an advantageous, because automatic and at the same time self-recovering current limit.
- the positioning means 3a; 20, B, 12 for moving and spatially positioning the liquid metal 3 along a movement direction x in at least one second position x 12 , x 2 include the channels 3a and a transport or drive means 20, B, 12 for the liquid metal 3, in particular also one Drive control 11 (as shown in Fig. 6).
- a transport or drive means 20, B, 12 for the liquid metal 3, in particular also one Drive control 11 (as shown in Fig. 6).
- an electromagnetic drive 20, B or a mechanical drive with a dielectric fluid 12 is provided, through which the liquid metal 3 between the nominal current path 30 and the current limiting path 31 is movable.
- the electrical resistance R x as a function R x (x 12 ) of the second position x 12 and a path-time characteristic x 12 (t) of the liquid metal 3 along the direction of movement x should be selected so that in every second position x 12 , x 2 of the liquid metal 3 is the product of electrical resistance R x and current I 2 is smaller than an arc ignition voltage U b between the liquid metal 3 and the fixed electrodes 2a, 2b and intermediate electrodes 2c and / or that a sufficient slope of the current limit for controlling network-related short-circuit currents i ( t) is achieved.
- F r restoring force, in particular equal to gravitational force
- an electromagnetic force F F mag , which is exerted on the liquid metal 3 by self-interaction of the flowing current i (t), was assumed by way of example.
- the isolation path 32 for power cutoff is arranged above the second current path 31 and / or below the first current path 30.
- the isolation path 32 for power cutoff is arranged above the second current path 31 and / or below the first current path 30.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- Emergency Protection Circuit Devices (AREA)
- Gas-Insulated Switchgears (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04738057A EP1644951B1 (de) | 2003-07-10 | 2004-07-01 | Verfahren und vorrichtung zur strombegrenzung mit einem flüssigmetall-strombegrenzer |
PL04738057T PL1644951T3 (pl) | 2003-07-10 | 2004-07-01 | Sposób i urządzenie do ograniczania prądu z ciekłometalicznym ogranicznikiem prądu |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03405518 | 2003-07-10 | ||
EP04738057A EP1644951B1 (de) | 2003-07-10 | 2004-07-01 | Verfahren und vorrichtung zur strombegrenzung mit einem flüssigmetall-strombegrenzer |
PCT/CH2004/000416 WO2005006375A2 (de) | 2003-07-10 | 2004-07-01 | Verfahren und vorrichtung zur strombegrenzung mit einem flüssigmetall-strombegrenzer |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1644951A2 EP1644951A2 (de) | 2006-04-12 |
EP1644951B1 true EP1644951B1 (de) | 2007-09-19 |
Family
ID=34043023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04738057A Expired - Lifetime EP1644951B1 (de) | 2003-07-10 | 2004-07-01 | Verfahren und vorrichtung zur strombegrenzung mit einem flüssigmetall-strombegrenzer |
Country Status (8)
Country | Link |
---|---|
US (1) | US7139158B2 (zh) |
EP (1) | EP1644951B1 (zh) |
KR (1) | KR20060036446A (zh) |
CN (1) | CN100442423C (zh) |
AT (1) | ATE373870T1 (zh) |
DE (1) | DE502004005029D1 (zh) |
PL (1) | PL1644951T3 (zh) |
WO (1) | WO2005006375A2 (zh) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100446152C (zh) * | 2003-07-10 | 2008-12-24 | Abb研究有限公司 | 用自动限流器限流的方法和装置 |
CN100442423C (zh) * | 2003-07-10 | 2008-12-10 | Abb研究有限公司 | 用于利用液态金属限流器限制电流的方法和装置 |
US20080037931A1 (en) * | 2006-07-31 | 2008-02-14 | Steen Paul H | Liquid switches and switching devices and systems and methods thereof |
WO2009055763A2 (en) * | 2007-10-26 | 2009-04-30 | Kowalik Daniel P | Micro-fluidic bubble fuse |
WO2010037424A1 (en) * | 2008-10-03 | 2010-04-08 | Abb Technology Ag | Electric current limiting device |
US8493081B2 (en) | 2009-12-08 | 2013-07-23 | Magna Closures Inc. | Wide activation angle pinch sensor section and sensor hook-on attachment principle |
US9234979B2 (en) | 2009-12-08 | 2016-01-12 | Magna Closures Inc. | Wide activation angle pinch sensor section |
US8773235B2 (en) | 2011-11-30 | 2014-07-08 | General Electric Company | Electrical switch and circuit breaker |
CN104851732A (zh) * | 2015-04-17 | 2015-08-19 | 沈涛 | 可用于电力或电子系统的机械式直流断路器、电力机械 |
CN104851734A (zh) * | 2015-04-17 | 2015-08-19 | 舒建兴 | 可用于电力或电子系统的机械式直流断路器、电力机械 |
CN104901670B (zh) * | 2015-05-28 | 2017-11-24 | 杨德明 | 开关、电子系统、电力系统、自动化系统、机械装置、测量装置、劳保排气装置 |
CN105007068A (zh) * | 2015-06-25 | 2015-10-28 | 国网山东省电力公司枣庄供电公司 | 开关、电子系统、电力系统、自动化系统、机械装置 |
CN107248729B (zh) * | 2017-06-30 | 2019-01-04 | 国网陕西省电力公司电力科学研究院 | 一种液态金属限流装置及方法 |
CN108963998B (zh) * | 2018-06-05 | 2022-04-15 | 中国电力科学研究院有限公司 | 旋转式液态金属限流器 |
CN109119308B (zh) * | 2018-10-30 | 2024-02-20 | 深圳市金合联技术股份有限公司 | 液态金属结构自复熔断器 |
DE102018220968B4 (de) | 2018-12-04 | 2020-08-13 | E.G.O. Elektro-Gerätebau GmbH | Induktionsheizeinrichtung und Verfahren zum Betrieb einer Induktionsheizeinrichtung |
CN112951678A (zh) * | 2021-02-05 | 2021-06-11 | 西安交通大学 | 基于磁场触发的液态金属限流器及其限流方法 |
CN116316457B (zh) * | 2023-05-26 | 2023-08-04 | 西南交通大学 | 复合耗能式直流断路器 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1206786B (de) * | 1959-08-08 | 1965-12-09 | Interconsult Ab | Transportbehaelter fuer den Transport auf Fahrzeugen |
DE1294858B (de) * | 1966-01-28 | 1969-05-08 | Deutsche Fernsprecher Gmbh | Kontakt- und Betaetigungsvorrichtung fuer UEberfall-Alarmanlagen |
FR1503721A (fr) * | 1966-10-11 | 1967-12-01 | Centre Nat Rech Scient | Perfectionnements aux interrupteurs électriques pour courants intenses |
CH582416A5 (zh) * | 1975-03-10 | 1976-11-30 | Bbc Brown Boveri & Cie | |
US4210903A (en) * | 1976-02-02 | 1980-07-01 | Semiconductor Circuits, Inc. | Method for producing analog-to-digital conversions |
DE2652506A1 (de) * | 1976-11-18 | 1978-05-24 | Gec Elliott Automation Ltd | Elektrische hochstromvorrichtungen |
US4599671A (en) * | 1984-07-20 | 1986-07-08 | Westinghouse Electric Corp. | Current limiting devices utilizing resistive parallel rails |
US4598332A (en) * | 1984-07-20 | 1986-07-01 | Westinghouse Electric Corp. | Current limiting apparatus utilizing multiple resistive parallel rails |
SU1529303A1 (ru) * | 1988-02-10 | 1989-12-15 | Институт Электродинамики Ан Усср | Жидкометаллический коммутационный аппарат |
DD282778A5 (de) * | 1989-04-26 | 1990-09-19 | Karl Marx Stadt Tech Hochschul | Stromgesteuerte abschaltvorrichtung |
SE515262C2 (sv) * | 1995-02-16 | 2001-07-09 | Abb Research Ltd | Anordning för strömbegränsning och skydd mot kortslutningsströmmar i en elektrisk anläggning |
CN2220118Y (zh) * | 1995-03-16 | 1996-02-14 | 张宇文 | 液体无弧电器开关 |
DE19903939B4 (de) * | 1999-02-01 | 2004-02-26 | Moeller Gmbh | Selbsterholende Strombegrenzungseinrichtung mit Flüssigmetall |
DE19903837B4 (de) * | 1999-02-01 | 2004-02-19 | Moeller Gmbh | Selbsterholende Strombegrenzungseinrichtung mit Flüssigmetall |
DE19918451A1 (de) * | 1999-04-23 | 2000-10-26 | Moeller Gmbh | Selbstholende Strombegrenzungseinrichtung mit Flüssigmetall |
KR20060036445A (ko) * | 2003-07-10 | 2006-04-28 | 에이비비 리써치 리미티드 | 유체-작동식 액체 금속 전류 스위치를 이용한 전력 차단방법 및 디바이스 |
CN100442423C (zh) * | 2003-07-10 | 2008-12-10 | Abb研究有限公司 | 用于利用液态金属限流器限制电流的方法和装置 |
-
2004
- 2004-07-01 CN CNB2004800196914A patent/CN100442423C/zh not_active Expired - Fee Related
- 2004-07-01 EP EP04738057A patent/EP1644951B1/de not_active Expired - Lifetime
- 2004-07-01 DE DE502004005029T patent/DE502004005029D1/de not_active Expired - Fee Related
- 2004-07-01 PL PL04738057T patent/PL1644951T3/pl unknown
- 2004-07-01 WO PCT/CH2004/000416 patent/WO2005006375A2/de active IP Right Grant
- 2004-07-01 AT AT04738057T patent/ATE373870T1/de not_active IP Right Cessation
- 2004-07-01 KR KR1020067000556A patent/KR20060036446A/ko not_active Application Discontinuation
-
2006
- 2006-01-10 US US11/328,181 patent/US7139158B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
DE502004005029D1 (de) | 2007-10-31 |
PL1644951T3 (pl) | 2008-02-29 |
EP1644951A2 (de) | 2006-04-12 |
ATE373870T1 (de) | 2007-10-15 |
US7139158B2 (en) | 2006-11-21 |
WO2005006375A3 (de) | 2005-09-22 |
CN100442423C (zh) | 2008-12-10 |
WO2005006375A2 (de) | 2005-01-20 |
US20060171089A1 (en) | 2006-08-03 |
KR20060036446A (ko) | 2006-04-28 |
CN1820341A (zh) | 2006-08-16 |
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