EP1384240A1 - Verfahren zum betreiben eines schaltgerätes mit einem zuschaltbaren strombegrenzer und zugehörige anordnung - Google Patents
Verfahren zum betreiben eines schaltgerätes mit einem zuschaltbaren strombegrenzer und zugehörige anordnungInfo
- Publication number
- EP1384240A1 EP1384240A1 EP02761863A EP02761863A EP1384240A1 EP 1384240 A1 EP1384240 A1 EP 1384240A1 EP 02761863 A EP02761863 A EP 02761863A EP 02761863 A EP02761863 A EP 02761863A EP 1384240 A1 EP1384240 A1 EP 1384240A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- current
- current limiter
- switching
- limiter
- arrangement according
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000007704 transition Effects 0.000 claims abstract 2
- 238000010791 quenching Methods 0.000 claims description 4
- 230000000171 quenching effect Effects 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 3
- 238000010292 electrical insulation Methods 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 claims description 2
- 229920001940 conductive polymer Polymers 0.000 claims 1
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241001620634 Roger Species 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- 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
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/46—Means for extinguishing or preventing arc between current-carrying parts using arcing horns
- H01H9/465—Shunt circuit closed by transferring the arc onto an auxiliary electrode
-
- 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
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/42—Impedances connected with contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
- H01H1/20—Bridging contacts
Definitions
- the invention relates to a method for operating a switching device with a switchable current limiter according to the preamble of claim 1.
- the switching device used in particular are circuit breakers or contactors, possibly also semiconductor switches or the like. , Roger that.
- the invention also relates to an arrangement for carrying out the method according to the preamble of patent claim 8.
- Switchgear protects electrical networks and consumers in the event of a short circuit by the rapid build-up of a sufficiently high switching voltage, which limits the short-circuit current and switches off after a short time.
- the switching voltage used can be increased by connecting the switching device in series with a separate current limiter, a so-called limiter.
- the limiter is connected to the main circuit for this purpose, so that the load current flows through it both in normal operation and in the event of a short circuit.
- PTC limiters In addition to conventional mechanical switches, which generate switching arcs, PTC limiters are used to limit the current, in which the voltage build-up is generated by increasing the electrical resistance of the limiter material and / or by gas discharge with a high operating voltage.
- PTC limiters have the advantage over mechanical switches that the switching voltage is built up very quickly.
- a disadvantage is the greater electrical cold resistance, which limits the nominal current during nominal operation in order to prevent c ⁇ c ⁇ MP "P 1 c ⁇ o CJi o (lo Cn
- the object is achieved according to the invention by the measures of claim 1 and especially for a circuit breaker with an arc extinguishing device by the measures of claim 2.
- An associated arrangement is specified in claim 8.
- the subclaims contain advantageous developments of the method and the associated arrangement.
- advantageous developments of the current limiter, specially designed as a PTC limiter, and / or of the switching device, designed as a circuit breaker, are specified in the claims.
- the invention in particular the functional safety of a combination of circuit breaker and limiter in the branch circuit is realized.
- the invention is also applicable to other switching devices and current limiters.
- Figure 1 shows the combination of a circuit breaker with a
- FIG. 2 shows a current limiter designed as a PTC limiter
- FIG. 3 the profile of the electrodes and the resistance body in the PTC limiter according to FIG. 2,
- FIG. 4 shows a graphical representation of the resistance as a function of time in an arrangement according to FIGS. 2 and 3,
- FIG. 5 shows a symmetrically constructed circuit breaker with a switching bridge and limiter add-on
- FIG. 6 shows a detail from FIG. 5 with interrupters of the double-break circuit breaker
- Figure 7 is a top view of the outer guide rails of the interrupters with openings.
- the same or equivalent parts have the same reference numerals. Essentially two measures according to the invention are described, by means of which the problem of switching failure of PTC limiters in the bypass circuit of circuit breakers can be avoided individually or in combination.
- FIG. 1 shows a schematic representation of the arrangement of a limiter in the bypass circuit of a circuit breaker, as shown, for example, in EP 0 657 062 B1.
- a current-limiting circuit breaker 20 contains at least two contacts 22 and 23, at least one of which is designed to be movable and can be opened and closed via a switch lock 24 that can be triggered by a thermal and / or magnetic release 25 or 26.
- Each contact 22 and 23 is assigned an arc guide rail 27 and 27 ⁇ , which enclose a prechamber area 28 and open into an arcing chamber 21 with a plurality of quenching plates 29 to solve an arc, not shown in FIG. 1.
- the arc migrates on the running rails 27 and 27 ⁇ into an arcing chamber 17 with arcing plates 29, where an arc voltage that is sufficiently high for current limitation and arc extinguishing is built up.
- the limiter 1 is a current-limiting element which, according to EP 0 657 062 B1, is not connected to the main current path, but with the lead to an arc Running rail 27 forms a bypass path in the switching device 20.
- the bypass current path for a commutation current I k0 m is defined in FIG. 1 as a parallel current branch to a main current path for a current i to be switched on. Current flows through it when the arc starts by igniting a base on this track.
- the limiter 1 according to FIG. 1 is advantageously designed as a PTC limiter.
- a PTC limiter 1 is shown schematically in FIG. 2. It consists of two planar electrodes 10, between which a resistance body 5 made of a suitable material is clamped under the action of a force K.
- the resistance body 5 has surfaces 2 and 3 and the electrodes 10 have surfaces 11.
- the mode of operation of such a PTC limiter for current limitation is explained in detail in EP 0 657 062 B1.
- the surface electrode 10 has a profiling 15 which, for example, has a rectangular structure with a web width b and a web height h.
- the web width b can be between 0.1 and 1 mm and the web height h can also be between 0.1 and 1 mm.
- web width b and web height h have the same order of magnitude, preferably between 0.3 and 0.6 mm.
- the resistance body 5 has a complementary profile 7 on both surfaces 2 and 3. Via the profiles 7 and 15, the resistance body 5 and the surface electrodes 10 are permanently connected to one another.
- the profiles 7 and 15 can also have an angle of inclination towards the surface of the surface electrode.
- the design of the profiling influences the functioning of the PTC limiter 1.
- FIG. 4 shows a switching oscillogram of the PTC limiter 1 with profiles 15 on the electrodes 10 and complementary surface profile 7 of the PTC resistance body 5, co o r- ⁇ MP 1 P 1
- FIG. 6 shows the switching bridge in the open position, in which the distance between bridge contacts 23, 23 x and fixed contacts 22, 22 ⁇ is significantly greater than the distance between the guide rails 36, 36 and the fixed contacts. This produces a voltage difference in the arc burning voltage that supports arc commutation and makes it difficult to commutate the arc back.
- the shielding geometry of the guard rails 36, 36 ⁇ prevents arc plasma from the quenching plate chambers 21, 21 ⁇ or the prechamber areas 28, 28 ⁇ from flowing directly onto the switching bridge 32 and flashovers from the switching bridge 32 to the guard rails 36, 36 ⁇ or triggers to the fixed contacts 23, 23 ⁇ .
- the switching bridge 32 is guided through the opening 38, 38 ⁇ of the guide rails 36, 36 ⁇ during the opening movement.
- a magnetic field is built up by the selected geometry, by means of which the arc or arc is driven to the cutting edge and divided.
- the bridge support 45 for moving the switching bridge 32 serves at the same time for electrical insulation between the two switching chambers of the double-break circuit breaker 20.
- the circuit breaker is designed as a single switching device with the possibility of connecting a limiter.
- the connection point of the limiter is connected by a guardrail bridge.
- a mechanical extension 52 for actuating the circuit breaker on and off is provided if required.
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10118746A DE10118746B4 (de) | 2001-04-17 | 2001-04-17 | Verfahren zum Betreiben eines Schaltgerätes mit einem zuschaltbaren Strombegrenzer und zugehörige Anordnung |
DE10118746 | 2001-04-17 | ||
PCT/DE2002/001229 WO2002084688A1 (de) | 2001-04-17 | 2002-04-04 | Verfahren zum betreiben eines schaltgerätes mit einem zuschaltbaren strombegrenzer und zugehörige anordnung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1384240A1 true EP1384240A1 (de) | 2004-01-28 |
EP1384240B1 EP1384240B1 (de) | 2007-08-08 |
Family
ID=7681693
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02761863A Expired - Fee Related EP1384240B1 (de) | 2001-04-17 | 2002-04-04 | Verfahren zum betreiben eines schaltgerätes mit einem zuschaltbaren strombegrenzer und zugehörige anordnung |
Country Status (6)
Country | Link |
---|---|
US (1) | US7259944B2 (de) |
EP (1) | EP1384240B1 (de) |
JP (1) | JP4467887B2 (de) |
CN (1) | CN1248253C (de) |
DE (2) | DE10118746B4 (de) |
WO (1) | WO2002084688A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3157033A1 (de) | 2015-10-16 | 2017-04-19 | Schneider Electric Industries SAS | Trennkammer für ein elektrisches sicherungsgerät, und diese umfassendes elektrisches sicherungsgerät |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE502004007984D1 (de) * | 2004-07-08 | 2008-10-16 | Abb Schweiz Ag | Lichtbogenlöscheinrichtung für Schutzschalter |
DE102004059097A1 (de) * | 2004-12-06 | 2006-06-08 | Siemens Ag | Schaltvorrichtung mit temperaturabhängigem Widerstand zum Löschen eines Lichtbogens |
FR2912253B1 (fr) * | 2007-02-01 | 2009-03-06 | Schneider Electric Ind Sas | Dispositif de protection contre les surtensions a contact mobile comprenant des moyens de deconnexions selectifs contre des courts-circuits |
JP2012059585A (ja) * | 2010-09-10 | 2012-03-22 | Fuji Electric Fa Components & Systems Co Ltd | 回路遮断器 |
CN102024633A (zh) * | 2010-12-03 | 2011-04-20 | 常熟开关制造有限公司(原常熟开关厂) | 低压断路器的引弧灭弧机构 |
CN102005349B (zh) * | 2010-12-09 | 2013-09-04 | 武汉长海电气科技开发有限公司 | 限流器 |
JP5967511B2 (ja) * | 2010-12-20 | 2016-08-10 | パナソニックIpマネジメント株式会社 | Led点灯装置及びそれを用いた照明器具 |
EP2555217B1 (de) * | 2011-08-02 | 2014-01-15 | Abb Ag | Strombegrenzungssystem |
US8836453B2 (en) * | 2011-10-07 | 2014-09-16 | Siemens Industry, Inc. | Electronic circuit breaker, electronic circuit breaker subassembly, circuit breaker secondary electrical contact assembly, and powering methods |
DE102016002134A1 (de) * | 2016-02-23 | 2017-08-24 | Liebherr-Mining Equipment Colmar Sas | Vorrichtung zur Rekuperation von hydraulischer Energie sowie Arbeitsmaschine mit entsprechender Vorrichtung |
RU2715622C1 (ru) * | 2017-01-13 | 2020-03-03 | Абб Швайц Аг | Дугогасительная камера с разделительными перегородками, соединенными между собой резисторами |
CN108074765A (zh) * | 2018-01-17 | 2018-05-25 | 安徽中骄智能科技有限公司 | 一种基于联动闭合的电极板吸附式电触头灭弧装置 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3430016A (en) * | 1966-04-15 | 1969-02-25 | Gen Electric | Electric current interrupting device |
US3873791A (en) * | 1973-11-08 | 1975-03-25 | Gen Electric | Current limiting circuit breaker |
DE2439066C2 (de) | 1974-08-14 | 1982-06-03 | Brown, Boveri & Cie Ag, 6800 Mannheim | Einrichtung zur Begrenzung von Strömen |
DE2937490A1 (de) * | 1979-09-17 | 1981-04-02 | Siemens AG, 1000 Berlin und 8000 München | Strombegrenzer |
DE2939066C2 (de) * | 1979-09-27 | 1983-08-18 | Schaffhauser Strickmaschinenfabrik, Schaffhausen | Schloß für Flachstrickmaschine |
DE3021867A1 (de) * | 1980-06-11 | 1981-12-17 | Brown, Boveri & Cie Ag, 6800 Mannheim | Selbstschalter |
DE3824027A1 (de) * | 1988-07-15 | 1990-01-18 | Asea Brown Boveri | Elektrisches schaltgeraet |
DE4228297A1 (de) * | 1992-08-26 | 1994-03-03 | Siemens Ag | Veränderbarer Hochstromwiderstand, insbes. zur Anwendung als Schutzelement in der Leistungsschalttechnik, und Schaltung unter Verwendung des Hochstromwiderstandes |
DE4243314C2 (de) * | 1992-12-21 | 1998-08-20 | Asea Brown Boveri | Strombegrenzender Schalter |
DE4330607A1 (de) * | 1993-09-09 | 1995-03-16 | Siemens Ag | Limiter zur Strombegrenzung |
US5539370A (en) * | 1995-02-17 | 1996-07-23 | General Electric Company | Inductive motor protective circuit breaker |
FR2742916B1 (fr) * | 1995-12-21 | 1998-01-16 | Schneider Electric Sa | Dispositif electrique a commutation d'arc |
US6320129B1 (en) * | 1999-09-21 | 2001-11-20 | Industrial Technology Research Institute | Method for making electrode of polymer composite |
US6323751B1 (en) * | 1999-11-19 | 2001-11-27 | General Electric Company | Current limiter device with an electrically conductive composite material and method of manufacturing |
US20030020591A1 (en) * | 2000-04-08 | 2003-01-30 | Soo-An Choi | Electrical device having ptc conductive polymer |
US20030002778A1 (en) * | 2001-02-14 | 2003-01-02 | David Bach | Photo-polymer based fiber-optic switch using total internal reflection and micro-fluidic actuation |
EP1249720A1 (de) * | 2001-04-09 | 2002-10-16 | Alcatel | Bragg-Gitter-Filter in einem optischen Wellenleiter |
-
2001
- 2001-04-17 DE DE10118746A patent/DE10118746B4/de not_active Expired - Fee Related
-
2002
- 2002-04-04 CN CN02810226.6A patent/CN1248253C/zh not_active Expired - Fee Related
- 2002-04-04 EP EP02761863A patent/EP1384240B1/de not_active Expired - Fee Related
- 2002-04-04 JP JP2002581543A patent/JP4467887B2/ja not_active Expired - Lifetime
- 2002-04-04 DE DE50210638T patent/DE50210638D1/de not_active Expired - Lifetime
- 2002-04-04 US US10/475,180 patent/US7259944B2/en not_active Expired - Fee Related
- 2002-04-04 WO PCT/DE2002/001229 patent/WO2002084688A1/de active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO02084688A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3157033A1 (de) | 2015-10-16 | 2017-04-19 | Schneider Electric Industries SAS | Trennkammer für ein elektrisches sicherungsgerät, und diese umfassendes elektrisches sicherungsgerät |
Also Published As
Publication number | Publication date |
---|---|
DE50210638D1 (de) | 2007-09-20 |
DE10118746B4 (de) | 2004-06-24 |
JP2004529469A (ja) | 2004-09-24 |
DE10118746A1 (de) | 2002-11-14 |
EP1384240B1 (de) | 2007-08-08 |
CN1248253C (zh) | 2006-03-29 |
CN1509484A (zh) | 2004-06-30 |
US20040150932A1 (en) | 2004-08-05 |
US7259944B2 (en) | 2007-08-21 |
JP4467887B2 (ja) | 2010-05-26 |
WO2002084688A1 (de) | 2002-10-24 |
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