WO2005034161A1 - Antrieb für ein schaltgerät - Google Patents
Antrieb für ein schaltgerät Download PDFInfo
- Publication number
- WO2005034161A1 WO2005034161A1 PCT/EP2004/010902 EP2004010902W WO2005034161A1 WO 2005034161 A1 WO2005034161 A1 WO 2005034161A1 EP 2004010902 W EP2004010902 W EP 2004010902W WO 2005034161 A1 WO2005034161 A1 WO 2005034161A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- drive
- drive according
- energy
- switching
- switching device
- Prior art date
Links
- 238000006243 chemical reaction Methods 0.000 claims abstract description 4
- 239000012530 fluid Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims description 2
- 230000003213 activating effect Effects 0.000 claims 1
- 239000002482 conductive additive Substances 0.000 claims 1
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 239000002360 explosive Substances 0.000 abstract description 6
- 230000006798 recombination Effects 0.000 abstract 1
- 238000005215 recombination Methods 0.000 abstract 1
- 238000004880 explosion Methods 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/14—Electrothermal mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/14—Electrothermal mechanisms
- H01H2071/147—Thermal release by expansion of a fluid
-
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H39/00—Switching devices actuated by an explosion produced within the device and initiated by an electric current
- H01H39/004—Closing switches
Definitions
- the invention relates to a drive for a switching device in which stored energy is converted into a fast switching movement and activates a switching element.
- drives with high switching speeds are required in the area of medium-voltage switchgear.
- a switching operation should be triggered electronically and completed within a few milliseconds in order to limit the arcing fault energy.
- drive principles with high drive power and energy are required.
- a drive is created based on a spark discharge, in particular an underwater spark discharge, in which electrically stored energy is used.
- a suitable drive medium e.g. water, but also other suitable liquid or gaseous media, can be heated and evaporated very quickly - in the sub-millisecond range to millisecond range - and the gas pressure that is generated in an explosive manner can be used to drive a switch contact.
- the entire drive energy required for the switching operation is supplied electrically; this method is reversible and, apart from wear and tear, is not restricted in the number of switching operations like other methods in which pyrotechnic propellant charges have to be kept in limited numbers and limit the number of possible switching operations.
- the spark gap required for energy conversion can be kept de-energized during the entire operating time and is only briefly loaded with voltage during the triggering process, so that unwanted self-ignition cannot take place.
- an additional high-voltage pulse can be applied to an auxiliary electrode via an auxiliary voltage in order to support or accelerate the ignition process and to reduce the self-scattering of the ignition process.
- this auxiliary ignition pulse can also be given directly to one of the main electrodes and thus an auxiliary electrode can be dispensed with.
- Advantages of the invention are in particular the ability to repeat when the working medium is completely recondensed / recombined, a considerably longer service life than in the case of an explosion drive, and the elimination of the need to replace or store explosive cartridges.
- the drive energy may be taken directly from the 230 V network, so that no energy storage is necessary.
- Another particular advantage of the invention is that the triggering is completely electronic - i.e. without electro-mechanically moving parts - so that no additional mechanical release delay has to be taken into account.
- the switching process is mastered at voltages of a few 100 V and peak currents of a few 100 A to 1000 A in the range of a few milliseconds of current flow duration of semiconductor switching elements such as thyristors and IGBTs, so that no aging-sensitive components such as switching tubes or electromechanical auxiliary switches are required.
- Figure 1 shows the principle of the invention applied to a vacuum switch
- FIG. 2/3 shows a rapid-action switch with a closing function that is actuated electro-hydraulically with a drive according to FIG. 1, both in the open and in the closed state.
- 1 represents a vacuum holding tube in which a fixed contact is rigidly arranged via a fixed contact bolt.
- a moving contact is arranged via an axially displaceable contact pin. The moving contact is moved from the "open” position shown to the "* ⁇ close” position via a drive.
- the explosive-filled detonator capsule according to the prior art is replaced here by a pressure vessel 30 which is filled with a suitable medium, in particular water.
- the media used are fluids, in particular liquids such as the water already mentioned, but also inert gases, such as Nitrogen or argon, in question.
- the fluid can contain ion-conducting additives.
- the electrical energy can be provided, for example, via an electrical energy store in the form of a capacitor.
- the switch shown in the figure can be in the form of an IGBT or power MOSFET or as a thyristor with a freewheeling diode.
- the peak electrical power is so small (a few 10 kW) that it can be taken directly from the 230 V network in the form of the permissible short-circuit load. For example, with a mass to be actuated of 2 kg, a required contact stroke of 15 mm and a switching time of 5 ms, only one is Energy of approx. 120 VAs is necessary, whereby an efficiency of converting electrical to mechanical energy of 30% is already assumed; the associated electrical output of approx.
- latch the end position or return it to its starting position can e.g. B. by mechanical pawls or permanent magnets.
- the additional, low-energy trigger pulse can initially break a partial discharge path via an additional trigger electrode, which then follows the main spark gap with a short ignition delay of just a few microseconds.
- the voltage-side electrode of the main discharge circuit for high frequencies can be inductively decoupled from the main discharge circuit, so that a high-frequency high-voltage voltage auxiliary pulse can be coupled directly to the spark electrode and leads to a low-distortion breakdown of the spark gap.
- the electrohydraulic drive described in detail above with reference to FIG. 1 is a flat rate. designated 30. It acts on the axially movable bolt, a mechanical locking / unlocking mechanism 40 being provided in a manner known per se.
- the encryption / Entklinkungs- mechanism 40 is mounted on a fixedly arranged Garpla * tte 41 against a Verklinkungsfeder 42 slidably mounted and acts on a latch 43 on the axially movable pin 20 withconcentrelernent 24 for the latch 42.
- FIG. 2 shows the electro-hydraulically driven moving contact 21 in the closed, mechanically latched position.
- the opening spring 45 which is present in accordance with the prior art is already tensioned.
- the energy for tensioning the opening spring 45 is applied by the electro-hydraulic drive 30, 31, 32 according to FIG. 1.
- the pawl 42 Upon actuation of the unlatching mechanism 40, the pawl 42 is released, the tensioned opening spring 45 returns the moving contact 21 to the (opened) initial state.
- the electro-hydraulically driven movement cortex 21 is shown in the open, mechanically unlatched position, in which the opening spring 45 is relaxed.
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Fluid-Pressure Circuits (AREA)
- Relay Circuits (AREA)
- Circuit Breakers (AREA)
- Containers, Films, And Cooling For Superconductive Devices (AREA)
- Automotive Seat Belt Assembly (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Vacuum Packaging (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/573,825 US20070102269A1 (en) | 2003-09-30 | 2004-09-29 | Drive for switching device |
JP2006530043A JP2007507837A (ja) | 2003-09-30 | 2004-09-29 | 開閉装置用駆動装置 |
EP04787055A EP1671343B1 (de) | 2003-09-30 | 2004-09-29 | Vakuum-Schaltgeräteantrieb |
DE502004008790T DE502004008790D1 (de) | 2003-09-30 | 2004-09-29 | Vakuum-Schaltgeräteantrieb |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10345502.7 | 2003-09-30 | ||
DE10345502A DE10345502A1 (de) | 2003-09-30 | 2003-09-30 | Antrieb für ein Schaltgerät |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005034161A1 true WO2005034161A1 (de) | 2005-04-14 |
Family
ID=34399108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2004/010902 WO2005034161A1 (de) | 2003-09-30 | 2004-09-29 | Antrieb für ein schaltgerät |
Country Status (7)
Country | Link |
---|---|
US (1) | US20070102269A1 (de) |
EP (1) | EP1671343B1 (de) |
JP (1) | JP2007507837A (de) |
CN (1) | CN1860573A (de) |
AT (1) | ATE419639T1 (de) |
DE (2) | DE10345502A1 (de) |
WO (1) | WO2005034161A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010060790A1 (de) | 2008-11-26 | 2010-06-03 | Siemens Aktiengesellschaft | Vakuumschalter mit beidseitig fest verschienten anschlussklemmen |
DE102010010669A1 (de) | 2010-03-04 | 2011-09-08 | Siemens Aktiengesellschaft | Schalter mit beidseitig fest verschienten Anschlussklemmen |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007050377A1 (de) * | 2007-10-22 | 2009-04-23 | Daimler Ag | Brennstoffzellensystem mit zumindest einer Brennstoffzelle |
US20110057762A1 (en) * | 2008-01-22 | 2011-03-10 | Siemens Aktiengesellschaft | Short-circuiting apparatus with pyrotechnic initiation |
CN105793985B (zh) * | 2013-12-17 | 2019-02-12 | 西门子公司 | 用于高压直流转换器的电子保护模块 |
FR3075460B1 (fr) * | 2017-12-14 | 2020-01-10 | Schneider Electric Industries Sas | Appareil de protection electrique comportant un systeme d'actionnement pyrotechnique |
GB2582307A (en) * | 2019-03-18 | 2020-09-23 | Eaton Intelligent Power Ltd | Switching device for fast disconnection of short-circuit currents |
EP3748661A1 (de) * | 2019-06-07 | 2020-12-09 | ABB Schweiz AG | Hilfsvorrichtung für einen mittelspannungsschütz |
CN111146048A (zh) * | 2020-01-13 | 2020-05-12 | 吴妍佩 | 一种自恢复直流熔断器 |
CN114429883B (zh) * | 2022-01-06 | 2023-10-20 | 西北核技术研究所 | 一种兆伏级水开关及其安装、更换方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE607795C (de) * | 1927-12-31 | 1935-01-08 | Sigwart Ruppel Dipl Ing | Schaltkapsel |
DE892018C (de) * | 1953-08-20 | Voigt IS. Haeffner A. G., Frankfurt/M | Uberstroinausloser | |
DE1196752B (de) * | 1955-01-13 | 1965-07-15 | Siemens Ag | Vakuumschalter |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1240035A (en) * | 1968-01-20 | 1971-07-21 | Fuji Electric Co Ltd | Electric circuit breaker |
US4090229A (en) * | 1976-09-30 | 1978-05-16 | Becton, Dickinson Electronics Company | Capacitive key for keyboard |
US4275431A (en) * | 1978-02-27 | 1981-06-23 | Westinghouse Electric Corp. | High-voltage single-shot circuit-protecting device with fuse-like characteristics and having a chemical operating mechanism |
DE3545327A1 (de) * | 1985-12-20 | 1987-06-25 | Bbc Brown Boveri & Cie | Antrieb fuer einen elektrischen schalter |
JPH055623Y2 (de) * | 1988-04-08 | 1993-02-15 | ||
FR2742575B1 (fr) * | 1995-12-19 | 1998-01-09 | Europ Equip Menager | Dispositif a touche sensitive |
DE29723872U1 (de) * | 1997-11-06 | 1999-07-08 | Lell, Peter, Dr.-Ing., 85368 Moosburg | Notabschalter für elektrische Stromkreise |
US6576526B2 (en) * | 2001-07-09 | 2003-06-10 | Chartered Semiconductor Manufacturing Ltd. | Darc layer for MIM process integration |
DE10205369B4 (de) * | 2002-02-10 | 2004-03-25 | Lell, Peter, Dr.-Ing. | Elektrische Sicherung, insbesondere pyrotechnische Sicherung für das Unterbrechen hoher Stromstärken in elektrischen Schaltkreisen |
-
2003
- 2003-09-30 DE DE10345502A patent/DE10345502A1/de not_active Withdrawn
-
2004
- 2004-09-29 AT AT04787055T patent/ATE419639T1/de not_active IP Right Cessation
- 2004-09-29 WO PCT/EP2004/010902 patent/WO2005034161A1/de active Search and Examination
- 2004-09-29 DE DE502004008790T patent/DE502004008790D1/de not_active Expired - Fee Related
- 2004-09-29 US US10/573,825 patent/US20070102269A1/en not_active Abandoned
- 2004-09-29 CN CNA200480028502XA patent/CN1860573A/zh active Pending
- 2004-09-29 JP JP2006530043A patent/JP2007507837A/ja not_active Abandoned
- 2004-09-29 EP EP04787055A patent/EP1671343B1/de active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE892018C (de) * | 1953-08-20 | Voigt IS. Haeffner A. G., Frankfurt/M | Uberstroinausloser | |
DE607795C (de) * | 1927-12-31 | 1935-01-08 | Sigwart Ruppel Dipl Ing | Schaltkapsel |
DE1196752B (de) * | 1955-01-13 | 1965-07-15 | Siemens Ag | Vakuumschalter |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010060790A1 (de) | 2008-11-26 | 2010-06-03 | Siemens Aktiengesellschaft | Vakuumschalter mit beidseitig fest verschienten anschlussklemmen |
DE102008059670B3 (de) * | 2008-11-26 | 2010-06-17 | Siemens Aktiengesellschaft | Vakuumschalter mit beidseitig fest verschienten Anschlussklemmen |
US8859927B2 (en) | 2008-11-26 | 2014-10-14 | Siemens Aktiengesellschaft | Vacuum switch having fixed rail terminals on both sides |
DE102010010669A1 (de) | 2010-03-04 | 2011-09-08 | Siemens Aktiengesellschaft | Schalter mit beidseitig fest verschienten Anschlussklemmen |
WO2011107363A1 (de) | 2010-03-04 | 2011-09-09 | Siemens Aktiengesellschaft | Schalter mit beidseitig fest verschienten anschlussklemmen |
Also Published As
Publication number | Publication date |
---|---|
US20070102269A1 (en) | 2007-05-10 |
EP1671343B1 (de) | 2008-12-31 |
EP1671343A1 (de) | 2006-06-21 |
JP2007507837A (ja) | 2007-03-29 |
DE10345502A1 (de) | 2005-06-02 |
ATE419639T1 (de) | 2009-01-15 |
DE502004008790D1 (de) | 2009-02-12 |
CN1860573A (zh) | 2006-11-08 |
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