WO2007096302A1 - Elektrisches schaltgerät - Google Patents
Elektrisches schaltgerät Download PDFInfo
- Publication number
- WO2007096302A1 WO2007096302A1 PCT/EP2007/051499 EP2007051499W WO2007096302A1 WO 2007096302 A1 WO2007096302 A1 WO 2007096302A1 EP 2007051499 W EP2007051499 W EP 2007051499W WO 2007096302 A1 WO2007096302 A1 WO 2007096302A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- interrupter unit
- air
- switching device
- electrical
- interrupter
- Prior art date
Links
Classifications
-
- 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
- H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
- H01H33/121—Load break switches
- H01H33/125—Load break switches comprising a separate circuit breaker
- H01H33/126—Load break switches comprising a separate circuit breaker being operated by the distal end of a sectionalising contact arm
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/003—Earthing switches
-
- 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
- H01H33/6661—Combination with other type of switch, e.g. for load break switches
Definitions
- the invention relates to an electrical switching device with a first interrupter unit for interrupting and connecting an electrical line, in particular an air-insulated earthing switch. Furthermore, the invention relates to a method for switching an air-insulated earthing switch, wherein at the air-insulated earthing switch no arc due to a voltage flashover or the contact separation is formed.
- the object of the present invention is to ensure arc-free switching of a main switch.
- the object is achieved by the features of claim 1, and of claim 11.
- at least a second encapsulated interrupter unit is arranged parallel to the first interrupter unit and the voltage flashovers arising during connection or interruption of the electrical line as arcs in the second interrupter unit occur, wherein the second interrupter unit when connecting the elekt ⁇ cal line before the first interrupter unit and the interruption of the electrical line after the first interrupter unit is switchable.
- the inventive switchgear ensures that a possible arc occurs exclusively in the second interrupter unit and thus the first interrupter unit can be switched in an arc-free manner.
- the second interrupter unit is a circuit breaker and / or a load switch and / or a circuit breaker and / or a vacuum interrupter chamber and / or a surge arrester, such as a spark gap and / or a voltage limiter.
- the arc is ignited exclusively in the closed chamber of the second interrupter unit and thus shielded from the outside ⁇ .
- a circuit breaker between the first interrupter unit and the second interrupter unit is arranged. Particularly in the case that the rated short circuit current for the first switch unit is greater than the rated short circuit current for the second interrupter unit, has the second switch ⁇ unit may be separated from the turned-on first switch unit. This electrical separation ensures the circuit breaker.
- a serial arrangement of the two sub-cup units can be used.
- the second switch unit according to the present, arranged ⁇ invention to the voltage applied to the switching device voltage potential side, in particular the high-voltage potential side by ⁇ .
- parallel to and / or serially to the second interrupter unit at least one further Un ⁇ terbrecherü arranged for the derivation of overvoltages.
- the third switch unit a surge arrester, egg ⁇ ne radio link, open or encapsulated or other chip nungsbegrenzer.
- the rated voltage of the second interrupter unit can be less than the rated ⁇ the first switching chamber are chosen voltage.
- the second interrupter unit is integrated in a fixed contact of an air-insulated earthing switch as the first interrupter unit.
- a first part of the housing located on a movable main contact
- Disconnector contact to the second part of the separation scarf ⁇ age ago By utilizing the movement of the movable main contact of the earthing switch as the first breaker ⁇ unit mechanical / electrical coupling by means of a nes first part of the circuit breaker is possible.
- a correspondingly designed "finger" engages in the receiving device, and provides a result of the movement of the breast box of the movable main ⁇ contact a connection on power or turned off forth.
- the receiving device performs a rotational movement. Short before reaching the end position for the switched state, the movable main ⁇ leads contact a stroke movement in the fixed main contact.
- DIE ser movement of the movable main contact is used to interrupt the existing electrical connection between the two parts of the circuit breaker again in the on state.
- the second interrupter unit In the end position of the movable main contact in the switched state, the second interrupter unit is therefore again electrically connected to the H by the opened disconnecting switch Main current isolated.
- the second interrupter unit is switched. With progressive movement of the movable main contact and removal from the fixed main contact, the connection between the fixed and the movable main contact is separated arc-free.
- the first part of the circuit breaker is dimensioned so that with a sufficient separation distance between the main contacts, the receiving device then opens the second interrupter unit, eg a vacuum interrupter chamber, due to the rotational movement. A resulting arc remains in the chamber of the second interrupter unit.
- the circuit breaker can also be opened without current. This sequence of movements is ensured by the coordinated geometry and design of the movable main contact, the length and arrangement of the first part of the separator ⁇ switch, and the design of the recording device.
- the second interrupter unit paral lel ⁇ or in series with the first switch unit verbun ⁇ .
- the current strengths of the two interrupter units must each be designed with respect to the maximum currents.
- the current stability of the second interrupter unit may be smaller than the first interrupter unit.
- a method for switching ei ⁇ nes air-insulated earthing switch is also provided, wherein the air-insulated earthing switch is connected to a to luftiso ⁇ profiled earthing switch arranged in parallel with the second interrupter unit, wherein said second interrupter unit when connecting the electrical line in front of the air-insulated earthing switch is closed and when Disconnect the electrical line first the air-insulated earthing switch and only then the second interrupter unit is separated from the e- lectric line.
- the Trennstel- Ie When using a separation point as the connection between the air-insulated earthing switch and the second interrupter unit, the Trennstel- Ie, then the second interrupter unit, then the air-insulated earthing switch is closed at the power-on and the separation point is reopened when hergestell ⁇ ter line connection.
- the opened separation point When switching off the opened separation point is first ge ⁇ closed, then opened the air-insulated earthing switch, then opened the second interrupter unit under any occurring generation of an arc and opened the separation point again after the complete separation of the electrical line.
- FIG.l schematic side view of a portion of the inventive switchgear
- FIG. 1 shows a schematic side view of an air-insulated earthing switch 2 as the first interrupter unit as a component of an electrical switching device (not shown).
- a vacuum interrupter chamber 3 is integrated as a second interrupter unit.
- a boom 5a on the movable main contact 4b engages during the rotational movement of the movable main contact 4b during the switch-on in the receiving device 6 and thus establishes an electrical connection via the separation point 5a, 5b ago.
- the vacuum interrupter chamber 3 is then also closed.
- a resulting arc can be deleted within the vacuum interrupter chamber 3.
- the separation point 5a, 5b is opened again by means of the extension of FIG. 5a, so that the Main ⁇ current path runs exclusively on the air-insulated earthing switch 2.
- the separation point 5a, 5b separates the Vaku ⁇ switch chamber 3 from the Erdstrombahn.
- the separation point 5a, 5b is first closed again due to the lowering movement of the movable main contact 4b.
- the vacuum interrupter chamber 3 opens the contact and deletes the resulting arc only within the vacuum interrupter 3.
- no arc can now arise between the main contacts 4a, 4b, so that the air-insulated earthing switch 2 can be closed and opened arc-free.
- the movable main contact 4b likewise is achieved by a retraction if the separation point 5a, 5b opened, so that now the
- FIG. 2 shows a method sequence according to the invention for the arc-free switching on of an air-insulated grounding switch 2 using an additional separation point 5a, 5b.
- the air-insulated earthing switch 2 and the second interrupter unit 3 as a vacuum switch and a separating point 5a, 5b arranged between the air-insulated earthing switch 2 and the Vakuumschaltkam- 3 open.
- a ⁇ is now switching operation first the separation point 5a, 5b joined ge ⁇ and then carried out an electrical connection of the line 7 via the vacuum interrupter chamber.
- An optionally resulting arc is deleted within the vacuum interrupter chamber 3.
- FIG. 3 shows a switch-off operation according to the invention of an arc-free switching of an air-insulated earthing switch 2 in conjunction with a vacuum holding chamber 3 as a second interrupter unit and a separation point 5a, 5b.
- the kinematics in the main current ⁇ rail is used to make the appropriate switching operation.
- the movement of the movable main contact 4b is used for the force to be used for closing or opening the separation point 5a, 5b and the vacuum interrupter chamber 3 as a second interrupter unit.
- the vacuum interrupter chamber 3 does not need its own power supply and it is also no auxiliary flow path parallel to the earth current necessary.
- the Figure Fig. 4 is a circuit diagram of the invention shown SEN switchgear 1, with a parallel to the second interrup ⁇ cheratti 3 arranged surge arrester as the third interrupter unit 8.
- vacuum interrupter chamber 3 as the second switch unit is additionally by the third interrupter unit 8 protected as a spark gap and limited in voltage.
- the vacuum chamber 3 can be dimensioned smaller than the earthing switch 2 with respect to the voltage and current resistance.
- further interrupter units may additionally be arranged in parallel and / or in series with respect to the vacuum interrupter chamber 3 in the electrical switchgear 1.
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Gas-Insulated Switchgears (AREA)
- Keying Circuit Devices (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20070704621 EP1991999B1 (de) | 2006-02-22 | 2007-02-16 | Elektrisches schaltgerät |
MX2008010819A MX2008010819A (es) | 2006-02-22 | 2007-02-16 | Aparato conector electrico. |
CN2007800058636A CN101385108B (zh) | 2006-02-22 | 2007-02-16 | 电气开关装置 |
US12/280,251 US7986061B2 (en) | 2006-02-22 | 2007-02-16 | Electrical switching device |
BRPI0708214A BRPI0708214B8 (pt) | 2006-02-22 | 2007-02-16 | Dispositivo de chaveamento elétrico e método para chaveamento de um interruptor de aterramento isolado a ar |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006008933A DE102006008933B4 (de) | 2006-02-22 | 2006-02-22 | Elektrisches Schaltgerät |
DE102006008933.2 | 2006-02-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007096302A1 true WO2007096302A1 (de) | 2007-08-30 |
Family
ID=38008270
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2007/051499 WO2007096302A1 (de) | 2006-02-22 | 2007-02-16 | Elektrisches schaltgerät |
Country Status (8)
Country | Link |
---|---|
US (1) | US7986061B2 (de) |
EP (1) | EP1991999B1 (de) |
CN (1) | CN101385108B (de) |
BR (1) | BRPI0708214B8 (de) |
DE (1) | DE102006008933B4 (de) |
MX (1) | MX2008010819A (de) |
RU (1) | RU2410788C2 (de) |
WO (1) | WO2007096302A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2946180B1 (fr) * | 2009-05-26 | 2012-12-14 | Areva T & D Sa | Dispositif d'accrochage et de verrouillage interne a un interrupteur ou a un disjoncteur. |
EP2302748B1 (de) * | 2009-09-23 | 2012-05-16 | ABB Technology | Mittel- oder Hochspannungsschaltvorrichtung und Erdungsverfahren |
FR2980633B1 (fr) * | 2011-09-27 | 2013-09-06 | Schneider Electric Ind Sas | Appareillage de distribution electrique moyenne tension |
EP2731120A1 (de) * | 2012-11-08 | 2014-05-14 | ABB Technology AG | Vakuumschalteranordnung für einen Mittelspannungsschutzschalter mit schalenförmigen TMF-Kontakten |
CN104124104B (zh) * | 2013-04-25 | 2016-08-03 | 国家电网公司 | 一种具有开合感应电流能力的接地开关 |
US20160160232A1 (en) * | 2013-07-12 | 2016-06-09 | Bayer Cropscience Lp | Als inhibitor herbicide tolerant mutant plants |
DE102019213320A1 (de) * | 2019-09-03 | 2021-03-04 | Siemens Energy Global GmbH & Co. KG | Einsäulen-Trennschalter mit Vakuum-Schaltröhre als Hilfskontaktsystem |
FR3130446A1 (fr) * | 2021-12-13 | 2023-06-16 | Schneider Electric Industries Sas | Appareil de coupure de courant sur une ligne électrique comprenant une ampoule à vide |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2522525A1 (de) * | 1975-05-21 | 1976-12-02 | Driescher Eltech Werk | Lasttrennschalter, insbesondere fuer den betrieb in einem mittelspannungsbereich |
US5276286A (en) | 1991-08-28 | 1994-01-04 | Gec Alsthom Energie Inc. | Exposed high voltage outdoor disconnector for operation under icing conditions |
DE19918077C1 (de) * | 1999-04-21 | 2000-11-09 | Driescher Eltech Werk | Lastschalter |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4376271A (en) * | 1981-06-18 | 1983-03-08 | Siemens-Allis, Inc. | Polarized DC contactors |
US5070252A (en) * | 1990-04-03 | 1991-12-03 | Automatic Switch Company | Automatic transfer switch |
FR2719154B1 (fr) * | 1994-04-25 | 1996-06-07 | Merlin Gerin | Interrupteur électrique moyenne tension. |
FR2722912B1 (fr) * | 1994-07-20 | 1996-09-13 | Schneider Electric Sa | Interrupteurs electriques moyenne tension |
RU2117351C1 (ru) | 1997-03-11 | 1998-08-10 | Владимир Леонтьевич Лотоцкий | Коммутирующее устройство |
DE19954460C2 (de) * | 1999-11-12 | 2002-02-28 | Pilz Gmbh & Co | Sicherheitsschaltgerät zum Ein- und sicheren Ausschalten eines elektrischen Verbrauchers, insbesondere einer elektrisch angetriebenen Maschine |
DE102005051065B4 (de) * | 2005-10-25 | 2011-12-08 | Infineon Technologies Ag | Integrierte Halbleiterschaltung zum Zuschalten einer Spannungsdomäne |
-
2006
- 2006-02-22 DE DE102006008933A patent/DE102006008933B4/de not_active Expired - Fee Related
-
2007
- 2007-02-16 CN CN2007800058636A patent/CN101385108B/zh active Active
- 2007-02-16 RU RU2008137648A patent/RU2410788C2/ru active
- 2007-02-16 MX MX2008010819A patent/MX2008010819A/es active IP Right Grant
- 2007-02-16 US US12/280,251 patent/US7986061B2/en not_active Expired - Fee Related
- 2007-02-16 BR BRPI0708214A patent/BRPI0708214B8/pt active IP Right Grant
- 2007-02-16 WO PCT/EP2007/051499 patent/WO2007096302A1/de active Application Filing
- 2007-02-16 EP EP20070704621 patent/EP1991999B1/de not_active Ceased
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2522525A1 (de) * | 1975-05-21 | 1976-12-02 | Driescher Eltech Werk | Lasttrennschalter, insbesondere fuer den betrieb in einem mittelspannungsbereich |
US5276286A (en) | 1991-08-28 | 1994-01-04 | Gec Alsthom Energie Inc. | Exposed high voltage outdoor disconnector for operation under icing conditions |
DE19918077C1 (de) * | 1999-04-21 | 2000-11-09 | Driescher Eltech Werk | Lastschalter |
Also Published As
Publication number | Publication date |
---|---|
MX2008010819A (es) | 2008-09-05 |
US20090020506A1 (en) | 2009-01-22 |
BRPI0708214A2 (pt) | 2011-05-17 |
DE102006008933B4 (de) | 2009-06-18 |
BRPI0708214B8 (pt) | 2023-04-25 |
EP1991999A1 (de) | 2008-11-19 |
CN101385108B (zh) | 2013-10-02 |
DE102006008933A1 (de) | 2007-08-30 |
RU2008137648A (ru) | 2010-03-27 |
US7986061B2 (en) | 2011-07-26 |
BRPI0708214B1 (pt) | 2018-06-26 |
RU2410788C2 (ru) | 2011-01-27 |
CN101385108A (zh) | 2009-03-11 |
EP1991999B1 (de) | 2013-12-25 |
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