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Bypass switch including plunger, first contact device and second contact device

A bypass switch and equipment technology, applied in electrical switches, closed switches, explosion switches, etc., can solve the problems of unstable bypass state, bypass switch contact deterioration, loss and other problems

Active Publication Date: 2019-04-26
HITACHI ENERGY SWITZERLAND AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the high voltages involved, arcing occurs during switching, which degrades the contacts of the bypass switch, resulting in losses and / or unstable bypass conditions

Method used

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  • Bypass switch including plunger, first contact device and second contact device
  • Bypass switch including plunger, first contact device and second contact device
  • Bypass switch including plunger, first contact device and second contact device

Examples

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Embodiment Construction

[0034] The invention will now be described more fully hereinafter with reference to the accompanying drawings, in which specific embodiments of the invention are shown. However, the invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided by way of example so that this disclosure will be thorough and complete, and will be presented to Those skilled in the art will fully convey the scope of the present invention. Throughout the specification, like reference numerals refer to like elements.

[0035] Figure 1A to Figure 1C is a schematic diagram illustrating various states of the bypass switch 100 according to one embodiment. Figure 1A shows the initial state, Figure 1B illustrates the first state, and Figure 1C A second state of bypass switch 100 is illustrated. The drawing shows a sectional view through the bypass switch 100 . The bypass switch 100 can be, for ex...

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PUM

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Abstract

A bypass switch for providing a bypass path between a first terminal and a second terminal is proposed. The bypass switch includes: a first contact device; a second contact device; and a plunger movable from an initial state via a first state to a second state, wherein, in the initial state, the first terminal and the second The two terminals are conductively separated; in the first state, movement of the plunger causes the first contact device to close the first conductive connection between the first terminal and the second terminal; and in the second state, the plunger mechanically The second contact arrangement exerts a force to close a second conductive connection between the first terminal and the second terminal.

Description

technical field [0001] The present invention relates to bypass switches, power systems and methods for providing a conductive path between a first terminal and a second terminal. Background technique [0002] Power systems, such as electrical power distribution or transmission systems, are used to supply, transmit and use electrical power. High voltage direct current (HVDC) power transmission is becoming more common due to the increasing need for power transmission with low transmission losses and flexible interconnection possibilities. [0003] Power systems, such as electrical power transmission systems, typically include protection systems for protecting, monitoring, and controlling the operation of electrical equipment in the power system. Such protection systems may, for example, be capable of detecting short circuits, overcurrents and overvoltages in power lines, transformers and / or other parts or components of the power system. The protection system may comprise pro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H79/00H01H39/00H01H9/30
CPCH01H9/30H01H39/004H01H79/00H01H3/166H01H13/12H01H33/285
Inventor H·布里德O·杰普森
Owner HITACHI ENERGY SWITZERLAND AG