Novel valve module of converter valve for high-voltage direct-current power transmission based on thyristor

A high-voltage direct current transmission and valve module technology, which is applied in the direction of output power conversion devices, circuits, electrical components, etc., to achieve the effects of shortening the distance of electrical wiring, reducing costs, and optimizing design

Active Publication Date: 2013-04-24
CHINA ELECTRIC POWER RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007](2) It is not conducive to the electrical wiring between thyristor-level components. For thyristor-level components 5, damping capacitors, damping resistors 531, DC voltage equalizing resistors 512, The energy-taking resistor 513 and the control circuit are basically electrically connected around the thyristor 511. After adopting a tiled layout, the electrical connections of components far from the thyristor 511 must be extended, which will affect the electrical performance of the converter valve.
After the electrical wiring is extended, it will also affect the aesthetics of the layout design of the valve module

Method used

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  • Novel valve module of converter valve for high-voltage direct-current power transmission based on thyristor
  • Novel valve module of converter valve for high-voltage direct-current power transmission based on thyristor
  • Novel valve module of converter valve for high-voltage direct-current power transmission based on thyristor

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Embodiment Construction

[0038] The present invention will be described in detail below through specific embodiments and in conjunction with the accompanying drawings.

[0039] like figure 1 and figure 2 As shown, the valve module consists of five aluminum alloy ring frames 12 and four insulating groove beams 11 to form the valve module manufacturing frame 1, and the insulating groove beams 11 are located on both sides of the valve module frame. Inside the supporting frame of the valve module, various components of the valve module are arranged, wherein the saturable reactor 4 is located on both sides of the valve module in the length direction, and the thyristor-level assembly 5 is located in the middle of the valve module. There are multiple shielding covers on the periphery of the valve module, and there is no shielding cover on the side of the damping capacitor, and the structure of the shielding cover is a special rounded corner design. The electrical connection between the saturable reactor ...

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Abstract

The invention provides a valve module of a converter valve for high-voltage direct-current power transmission based on a thyristor. A thyristor unit 51, a damping capacitance unit 52, a damping resistance unit 53 and a control unit 56 are arranged in layers on a frame of the valve module. Compared with the valve module of the converter valve which operates at present, the novel valve module of the converter valve for high-voltage direct-current power transmission based on the thyristor greatly reduces the size of the valve module in a width direction, and has the advantages of small geometry size, light weight, convenient assembly and convenient maintenance after the size in the width direction is reduced.

Description

technical field [0001] The invention relates to the field of electric power system converter valves, in particular to a thyristor-based converter valve module for high-voltage direct current transmission. Background technique [0002] As the core equipment of HVDC transmission system, the converter valve has been developed and applied for many years. The converter valve module of traditional HVDC power transmission is based on the thyristor series structure as the core, and at the same time includes the control, trigger and protection system of the thyristor. Focusing on the safe and reliable operation of the thyristor, the converter valve module includes the following auxiliary components: saturable reactor assembly 4, thyristor unit 51, damping resistance unit 53, damping capacitor unit 52, DC voltage equalizing resistance 512, energy-taking resistance 513, and A control unit 56 for thyristor control, triggering and protection, and a water cooling system to meet cooling ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M1/00H01L23/473
Inventor 温家良魏晓光张升屈海涛
Owner CHINA ELECTRIC POWER RES INST
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