Controller, control method and rapid mechanical switch comprising controller

A technology of mechanical switches and controllers, which is applied in the direction of electric switches, electrical components, circuits, etc., can solve the problems of slow detection speed, achieve the effect of improving the action speed, satisfying the withstand voltage position and sub-position, and ensuring accurate action

Pending Publication Date: 2020-12-08
GLOBAL ENERGY INTERCONNECTION RES INST CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Since the action of the semiconductor components in the high-voltage DC circuit breaker needs to be closely coordinated with the fast mechanical switch, it is necessary to detect the opening and closing state of the fast mechanical switch within a hundred microseconds, but the existing controller for the fast mechanical switch The state of the switch body is detected by means of mechanical linkage auxiliary nodes, the detection delay is more than a few milliseconds, and the detection speed is slow

Method used

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  • Controller, control method and rapid mechanical switch comprising controller
  • Controller, control method and rapid mechanical switch comprising controller
  • Controller, control method and rapid mechanical switch comprising controller

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Embodiment 1

[0045] Embodiment 1 of the present invention provides a fast mechanical switch controller, such as figure 1 As shown, the fast mechanical switch controller provided by Embodiment 1 of the present invention includes a position sensor, a switch control board and a discharge circuit;

[0046] The position sensor is installed on the switch body of the fast mechanical switch to collect the position information of the switch body;

[0047] The switch control board is connected with the position sensor and the discharge circuit, and also connected with the external circuit breaker control system;

[0048] The switch control board is used to send the obtained position information of the switch body to the external circuit breaker control system, and control the action of the switch body by triggering the discharge circuit according to the received action command issued by the external circuit breaker control system.

[0049] The switch control board includes a first switch control bo...

Embodiment 2

[0069] Embodiment 2 of the present invention provides a method for controlling a fast mechanical switch using the fast mechanical switch controller of Embodiment 1, such as Figure 4 shown, including:

[0070] S101: The position sensor collects the position information of the switch body;

[0071] S102: The switch control board sends the acquired position information of the switch body to the external circuit breaker control system;

[0072] S103: The switch control board controls the action of the switch body by triggering the discharge circuit according to the action command received from the external circuit breaker control system.

Embodiment 3

[0074] Embodiment 3 of the present invention provides a fast mechanical switch, including the controller, switch body and electromagnetic repulsion mechanism provided in Embodiment 1 of the present invention;

[0075] The controller is connected with the electromagnetic repulsion mechanism, and the electromagnetic repulsion mechanism is connected with the switch body.

[0076] For the convenience of description, each part of the above device is divided into various modules or units by function and described separately. Of course, when implementing the present application, the functions of each module or unit can be implemented in one or more pieces of software or hardware.

[0077] Those skilled in the art should understand that the embodiments of the present application may be provided as methods, systems, or computer program products. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment ...

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PUM

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Abstract

The invention provides a controller, a control method, a rapid mechanical switch comprising the controller, a controller position sensor, a switch control panel and a discharge loop. The position sensor is installed on a switch body of the rapid mechanical switch and used for collecting position information of the switch body. The switch control panel is connected with the position sensor and thedischarge loop, and is also connected with an external circuit breaker control system; the switch control panel is used for sending the acquired position information of the switch body to an externalcircuit breaker control system, and controlling the switch body to act by triggering the discharge loop according to a received action instruction issued by the external circuit breaker control system, so that rapid control of the rapid mechanical switch is realized; the switch body does not need an insulating pull rod, so that the problem of speed reduction of the switch body due to large mass isavoided, and the action speed of the switch body is increased; according to the invention, the position sensor can collect the closing position of the switch body, meets the requirements of a voltage-withstanding position and an opening position, and improves the position detection speed.

Description

technical field [0001] The invention relates to the technical field of mechanical switches, in particular to a controller, a control method and a fast mechanical switch including the controller. Background technique [0002] High-voltage DC circuit breaker is an important protection device of DC system, which is used to quickly complete breaking in the event of DC system failure. DC circuit breakers can generally be divided into mechanical DC circuit breakers, solid state DC circuit breakers and hybrid DC circuit breakers. According to different arc extinguishing principles, mechanical DC circuit breakers can be divided into vacuum circuit breakers, sulfur hexafluoride circuit breakers, oily (less oily) circuit breakers, compressed air circuit breakers, magnetic blowing circuit breakers and gas circuit breakers, At present, vacuum circuit breakers and sulfur hexafluoride circuit breakers have replaced other circuit breakers on a large scale and are widely used in power syst...

Claims

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Application Information

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IPC IPC(8): H01H9/54
CPCH01H9/54
Inventor 杨兵建魏晓光张迪马浩宇刘近林志光杨树森吴文祥
Owner GLOBAL ENERGY INTERCONNECTION RES INST CO LTD
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