WO2005062328A1 - Mittelspannungsschaltanlage - Google Patents
Mittelspannungsschaltanlage Download PDFInfo
- Publication number
- WO2005062328A1 WO2005062328A1 PCT/EP2004/014480 EP2004014480W WO2005062328A1 WO 2005062328 A1 WO2005062328 A1 WO 2005062328A1 EP 2004014480 W EP2004014480 W EP 2004014480W WO 2005062328 A1 WO2005062328 A1 WO 2005062328A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- voltage switchgear
- medium
- designed
- gas space
- switch
- 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
- H01H33/60—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
- 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
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
- H01H2033/6623—Details relating to the encasing or the outside layers of the vacuum switch housings
-
- 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
- H01H2033/6665—Details concerning the mounting or supporting of the individual vacuum bottles
-
- 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
- H01H33/6606—Terminal arrangements
-
- 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 a medium-voltage switchgear assembly with at least one disconnector, according to the preamble of claim 1.
- electrical switchgear in particular in medium-voltage switchgear, there is also a disconnector in addition to a mostly permanently installed circuit breaker, which is supposed to take three positions: switch-on position, switch-off position and earthing position; i.e. is designed as a three-position switch.
- the three-position switch can be equipped with a load or circuit breaker function.
- the switch-on position In the switch-on position, a connection is made to the live busbar and in the earthing position to earth. In the switch-off position, the movable contact piece of the isolator is in a middle position between the switch-on and grounding position.
- Disconnectors are generally used as an independent device in the same gas space as the load switch or circuit breaker or in a separate gas space, in particular in the case of double busbar arrangements.
- the electrical part of these devices is always part of the gas space and is connected to the drive by means of a gas-tight bushing, which is located inside and outside the gas space and is usually designed as a mechanical or magnetic drive in medium-voltage applications.
- a disconnector as a stand-alone device requires - if arranged in the same
- the invention is therefore based on the object of developing a switchgear of the generic type to the effect that it is more compact and more functional.
- the essence of the invention is that the isolating switch is designed as a three-position vacuum chamber switch.
- the three-position vacuum switching chamber is designed such that it carries out the leads, forms or replaces from within the gas space to the outside of the gas space and forms a direct connection to the busbar.
- the gas space can be three-phase or single-phase as a gas-insulated or solid-insulated busbar. Instead of a gas space, one half and the device can also be cast on both sides in a further solid.
- the three-position vacuum switching chamber is designed such that it is integrated in an annular seal which leads from inside the said gas space to the outside of the gas space.
- the three-position vacuum switching chamber is integrated in a cast resin bushing, i.e. is provided with a cast resin body.
- the three-position vacuum switching chamber can be designed in such a way that it - with its ceramics - itself forms the feedthrough.
- the three-position switch is designed such that it can also perform the functions of the load or power circuit in addition to the isolating function.
- the isolator - designed as a three-position vacuum interrupter - directly into functionally relevant parts, such as a cast resin bushing or to design the three-position vacuum interrupter so that it (with its ceramics) itself Implementation forms.
- the casting technology in particular of vacuum interrupters, is well known and is state of the art.
- the task of the implementation is usually to connect the live current paths of different gas spaces and to isolate them from the grounded encapsulation. At the same time, the implementation can mechanically stabilize different housings against one another or also keep them at a distance.
- the load or circuit breaker is connected to one side of the three position disconnector. This side represents the supply line to the movable contact carrier of the three-position vacuum interrupter.
- the vacuum interrupter as the electrical part of the isolator can be completely cast in resin, the resin body being designed as a bushing.
- the mechanical part of the isolator (drive) is outside the gas space, it is connected to the vacuum interrupter via a gas-tight bushing and a linkage.
- This gas compartment can be designed as a three-phase as a classic busbar compartment or as a single-phase as a gas-insulated busbar.
- a block in turn consists of several panels with a common gas space. There are no moving parts in this gas space. No switching operations are carried out in this gas space.
- connection of the three-position vacuum interrupter chamber can be plugged into a solid-insulated rail, or can even be cast into a solid on one or both sides.
- the bushing on the side assigned to the busbar is designed to be touch-proof, ie provided with a conductive coating.
- the connection of the Busbar can be done via a plug contact, which is part of the bushing.
- the implementation with the three-position vacuum interrupter (DSK) itself is designed so that the connection to the busbar is realized when the vacuum interrupter is switched on.
- the switch-off position of the vacuum interrupter, i.e. Even the middle position between the switch-on position and the earthing position, different potentials can be isolated. This arrangement has isolating capacity.
- Figure 1 Disconnector according to the invention.
- Figure 2 Disconnector according to the invention with a direct function of a bushing.
- FIG. 3 Feed-break disconnector with load and power switching capacity.
- the earthing position requires an integrated connection from a “earthing point” to the metallic middle part 2 of the vacuum interrupter 1, which is located between the insulating ceramics 3, 4 according to FIG. 1.
- an edge board 5 is attached to the metal middle part 2 of the DSK, which enables the connection to the “grounding point”.
- the edge board 5 can also be equipped with a seal 6 which seals the gas space.
- the electrical earth connection forms a unit with the mechanical connection, so that the earth connection is ensured by installing the bushing.
- the arrangement of the isolator bushing described can be used for both single and double busbar applications.
- the three-position vacuum interrupter designed as a feed-through isolator can be configured as follows based on even higher functional integration.
- Flg. 3 shows a corresponding feed-through disconnector which, in addition to the functions switch-on position, switch-off position and earthing position, can also perform the function of the load switch or power switch, i.e. it also has load and power switching capacities.
- a vacuum interrupter which, as shown in FIG. 3, has a second space 10, or at least one shielded area within a vacuum interrupter, which can also be arranged separately on the vacuum interrupter in which this switching path is located. This ensures that, practically when switching off load or short-circuit currents, no plasma can get from this switching path into the area of the grounding path.
- Evaporation of the insulating sections is thus reduced or prevented entirely using a separate room. This ensures safe isolation in the middle position. This is achieved by separating the two sections using bellows or a labyrinth of nested shield components.
- a contact system consisting of flat contacts can be located in the load switching area.
- the features of a circuit breaker vacuum interrupter are required for a short-circuit current breaking capacity. Both RMF and AMF contact systems can be used for this.
- RMF stands for radial magnetic field and AMF for axial magnetic field.
Landscapes
- Gas-Insulated Switchgears (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04804080A EP1697954A1 (de) | 2003-12-19 | 2004-12-20 | Mittelspannungsschaltanlage |
CN200480041245.3A CN1914704B (zh) | 2003-12-19 | 2004-12-20 | 中等电压开关设备组件 |
US10/583,216 US8937262B2 (en) | 2003-12-19 | 2004-12-20 | Medium-voltage switchgear assembly |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10360633.5 | 2003-12-19 | ||
DE2003160633 DE10360633A1 (de) | 2003-12-19 | 2003-12-19 | Mittelspannungsschaltanlage |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005062328A1 true WO2005062328A1 (de) | 2005-07-07 |
Family
ID=34706436
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2004/014480 WO2005062328A1 (de) | 2003-12-19 | 2004-12-20 | Mittelspannungsschaltanlage |
Country Status (5)
Country | Link |
---|---|
US (1) | US8937262B2 (de) |
EP (1) | EP1697954A1 (de) |
CN (1) | CN1914704B (de) |
DE (2) | DE10360633A1 (de) |
WO (1) | WO2005062328A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2085995A1 (de) * | 2008-01-31 | 2009-08-05 | Schneider Electric Industries SAS | Vakuumampulle für elektrisches Schneidegerät, das mindestens die Trennfunktion sicherstellt |
WO2009138394A1 (de) * | 2008-05-13 | 2009-11-19 | Siemens Aktiengesellschaft | Vakuumschaltröhre |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006017131A1 (de) * | 2006-04-12 | 2007-10-18 | Areva Energietechnik Gmbh | Dreistellungsschalter insbesondere für eine Mittel- oder Hochspannungsschaltanlage |
FR2925755B1 (fr) * | 2007-12-21 | 2012-08-03 | Schneider Electric Ind Sas | Isolation d'un dispositif de coupure de type ampoule a vide par surmoulage |
JP5235620B2 (ja) * | 2008-11-14 | 2013-07-10 | 株式会社日立製作所 | 真空スイッチギヤ |
CN101807488A (zh) * | 2010-04-21 | 2010-08-18 | 山东晨鸿电气有限公司 | 真空灭弧室的三工位装置 |
DE102010053466A1 (de) * | 2010-11-30 | 2012-05-31 | Maschinenfabrik Reinhausen Gmbh | Stufenschalter und Vakuumschaltröhre für einen solchen Stufenschalter |
CN102881510B (zh) * | 2012-09-24 | 2015-02-25 | 中国西电电气股份有限公司 | 一种三工位真空灭弧室 |
US10218161B2 (en) * | 2014-02-25 | 2019-02-26 | Abb Schweiz Ag | Integrated compact bushing structure combining the functionality of primary contact with a current transformer primary conductor and a post insulator |
CN105304400B (zh) * | 2015-11-02 | 2018-10-02 | 宁波耐吉新星自动化设备有限公司 | 用于固体绝缘环网柜的真空灭弧室 |
FR3070533B1 (fr) * | 2017-08-28 | 2019-09-13 | Schneider Electric Industries Sas | Pole de coupure de courant |
US11862944B1 (en) | 2022-06-17 | 2024-01-02 | Jst Power Equipment, Inc. | Switchgear device with grounding device and related methods |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2037234A1 (de) * | 1970-07-01 | 1972-02-03 | Inst Prueffled Fuer Elektrisch | Schaltgerat für hohe Spannungen |
US3812314A (en) * | 1971-08-23 | 1974-05-21 | Gen Electric | High power electrical bushing having a vacuum switch encapsulated therein |
DE2742775A1 (de) * | 1977-09-20 | 1979-03-29 | Siemens Ag | Schalteinrichtung fuer mittelspannungskabelnetze |
DE3528770A1 (de) * | 1985-08-10 | 1987-02-19 | Driescher Eltech Werk | Mittelspannungs-schaltanlage |
EP1028447A1 (de) * | 1997-10-03 | 2000-08-16 | Hitachi, Ltd. | Vakuumschaltgerät |
EP1124240A2 (de) * | 2000-02-08 | 2001-08-16 | Kabushiki Kaisha Toshiba | Vakuumschalter |
WO2001099132A1 (de) * | 2000-06-23 | 2001-12-27 | Siemens Aktiengesellschaft | Vakuumschaltröhre mit zwei kontaktsystemen |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD226690A1 (de) * | 1984-09-24 | 1985-08-28 | Buchwitz Otto Starkstrom | Schalterpol |
DE4401356A1 (de) * | 1994-01-14 | 1995-07-20 | Siemens Ag | Vakuumschaltröhre mit speziellem Stromanschluß |
US6373015B1 (en) * | 2000-01-03 | 2002-04-16 | Eaton Corporation | Integral load connector module |
-
2003
- 2003-12-19 DE DE2003160633 patent/DE10360633A1/de not_active Withdrawn
- 2003-12-19 DE DE20321748U patent/DE20321748U1/de not_active Expired - Lifetime
-
2004
- 2004-12-20 CN CN200480041245.3A patent/CN1914704B/zh not_active Expired - Fee Related
- 2004-12-20 US US10/583,216 patent/US8937262B2/en not_active Expired - Fee Related
- 2004-12-20 EP EP04804080A patent/EP1697954A1/de not_active Withdrawn
- 2004-12-20 WO PCT/EP2004/014480 patent/WO2005062328A1/de active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2037234A1 (de) * | 1970-07-01 | 1972-02-03 | Inst Prueffled Fuer Elektrisch | Schaltgerat für hohe Spannungen |
US3812314A (en) * | 1971-08-23 | 1974-05-21 | Gen Electric | High power electrical bushing having a vacuum switch encapsulated therein |
DE2742775A1 (de) * | 1977-09-20 | 1979-03-29 | Siemens Ag | Schalteinrichtung fuer mittelspannungskabelnetze |
DE3528770A1 (de) * | 1985-08-10 | 1987-02-19 | Driescher Eltech Werk | Mittelspannungs-schaltanlage |
EP1028447A1 (de) * | 1997-10-03 | 2000-08-16 | Hitachi, Ltd. | Vakuumschaltgerät |
EP1124240A2 (de) * | 2000-02-08 | 2001-08-16 | Kabushiki Kaisha Toshiba | Vakuumschalter |
WO2001099132A1 (de) * | 2000-06-23 | 2001-12-27 | Siemens Aktiengesellschaft | Vakuumschaltröhre mit zwei kontaktsystemen |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2085995A1 (de) * | 2008-01-31 | 2009-08-05 | Schneider Electric Industries SAS | Vakuumampulle für elektrisches Schneidegerät, das mindestens die Trennfunktion sicherstellt |
FR2927194A1 (fr) * | 2008-01-31 | 2009-08-07 | Schneider Electric Ind Sas | Ampoule a vide pour un appareil electrique de coupure assurant au moins la fonction sectionneur |
WO2009138394A1 (de) * | 2008-05-13 | 2009-11-19 | Siemens Aktiengesellschaft | Vakuumschaltröhre |
Also Published As
Publication number | Publication date |
---|---|
DE10360633A1 (de) | 2005-07-28 |
CN1914704A (zh) | 2007-02-14 |
EP1697954A1 (de) | 2006-09-06 |
US8937262B2 (en) | 2015-01-20 |
US20070145015A1 (en) | 2007-06-28 |
DE20321748U1 (de) | 2009-05-14 |
CN1914704B (zh) | 2011-09-21 |
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