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Electric switch device

A switch device, switch technology, applied in the direction of switch device, electric switch, switch device setting, etc., can solve the problem of large volume of the switch device

Active Publication Date: 2007-11-07
BALFOUR BEATTY RAIL SPA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This leads to the fact that such gas-insulated switchgears are bulky and designed as relatively large structural units

Method used

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  • Electric switch device
  • Electric switch device

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Embodiment Construction

[0030] Figure 1 shows a circuit breaker 1, a central switch 2, and a housing 3 surrounding and enclosing it, an isolating switch 4, a grounding switch 5 and a bus bar 6. All these elements are components of a switch device, in which the housing 3 together with the central switch 2, the circuit breaker 1, the isolating switch 4 and the grounding switch 5 form a switch unit. This switch unit can be installed in an enclosure not shown here, which can be filled with an insulating, air-expelling gas N 2 Or fill with arc extinguishing gas, especially SF 6 (Sulfur hexafluoride). Therefore, the switchgear relates to a gas-insulated switchgear, especially used in the medium voltage field. In addition, the switchgear can also be used as a component of a power distribution station or a power distribution cabinet. However, in this case the switchgear is designed as a solid material insulated switchgear and is especially used in the medium voltage field.

[0031] In Fig. 1, the conductive cent...

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Abstract

An electrical switching system, preferably a medium-voltage switching system, has a breaker (1) or load switch, a disconnecting switch (4), and grounding switch (5) configured as a vacuum switching chamber (10). Low separation distance lengths and a more compact construction of a switching system is achieved by means of a housing (3) in which the disconnecting switch, configured as a vacuum switching chamber (10), the grounding switch (5), and the breaker (1) or load switch are disposed, and in which a central switch (2) is disposed, with which the vacuum switching chambers (10) of disconnecting switch (4) and grounding switch (5) can be mechanically activated. Electrical connections between connector contacts (A,B,C) of breaker (1) or load switch, disconnecting switch (4), and grounding switch (5) can be produced.

Description

Technical field [0001] The invention relates to a switchgear, especially a medium voltage switchgear, which comprises a circuit breaker or a load switch, an isolating switch and a grounding switch designed as a vacuum switch chamber. Background technique [0002] Electrical switchgear is usually a switchgear made of gas insulation, especially in the field of medium voltage technology and it usually has an isolating switch and a grounding switch. At this time, it can be disconnected and grounded on one switch, and it also has a breaker. These isolating switches, grounding switches, and circuit breakers that can be electrically connected to each other are connected to a bus bar by a sub-bus bar, for example, the sub-bus bar is connected to several cable joints. The two switches, the isolation and grounding switch and the circuit breaker, are installed side by side in a common grounded enclosure that is tapped by the busbar package. [0003] Under normal circumstances, these switche...

Claims

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Application Information

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IPC IPC(8): H02B13/035
CPCH01H33/6606H01H33/6664H01H2217/046H02B1/28H02B13/0354
Inventor 克劳斯·博登施泰因德特勒夫·朗格
Owner BALFOUR BEATTY RAIL SPA
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