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Prossure fixing mechanism of series thyristor valve set

A thyristor valve and head-end technology, applied in electrical components, electrical solid devices, circuits, etc., can solve the problems of troublesome installation and disassembly, complex structure, uneven pressure on the contact surface of thyristor and radiator, etc. Uniform force, easy and reliable insulation measures

Active Publication Date: 2006-03-29
CHINA ELECTRIC POWER RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of structure is complicated, and it is troublesome to install and disassemble, and it is easy to cause uneven pressure on the contact surface of the thyristor and the radiator.

Method used

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  • Prossure fixing mechanism of series thyristor valve set
  • Prossure fixing mechanism of series thyristor valve set
  • Prossure fixing mechanism of series thyristor valve set

Examples

Experimental program
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Effect test

Embodiment Construction

[0022] see figure 1 , is the constant pressure mechanism of the series thyristor valve group of the present invention, which is assembled into an outer frame by three load-bearing epoxy plates 3, a head end flange 4, and a tail end flange 5.

[0023] 1. Put the disc spring 7 into the compression spring guide rod 6;

[0024] 2. Install the disc spring protection sheet 8 on the side of the flange 4 at the head end of the disc spring 7;

[0025] 3. Put the guide copper bar 9 on the side of the flange 4 at the head end and the transition adjustment round aluminum 10 into the compression spring guide rod 6;

[0026] 4. Connect the guide sleeve 12 to the tail flange 5;

[0027] 5. Connect the transition adjustment round aluminum 10, diversion copper bar 9 and top pressure guide rod 11 on the side of the tail flange 5, and then put them into the guide sleeve 12;

[0028] 6. Install hexagon socket bolts 13 on the outside of the tail flange 5;

[0029] 7. Multiple groups of water-c...

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Abstract

The invention is a level pressure mechanism for series thyristor valve group, relating to the installing mechanism of thyristor valve, composing an outer frame by three fore bearing epoxy board and head-end flange and rear-end flange; on the side of the head-end flange, a pressure spring guide rod is jacketed with a disc spring; there is a disc spring protection piece arranged at the head end of the disc spring; there is a flow guide copper network and transition regulating circular aluminum arranged at the other end of the disc spring; on the side of the rear-end flange, a guide sleeve is connected with the rear-end flange; the guide sleeve is jacketed in order with transition regulating circular aluminum, the flow guide copper network, and a push guide rod from the head end to the rear end; there is a hexagonal bolt arranged on the outmost side of the rear-end flange; there are groups of water cooling radiators and thyristors alternatively connected in series between the head-end and rear-end transition regulating circular alumina. The invention can assure the force the thyristor valve group bears is uniform and the mechanical stability is excellent.

Description

technical field [0001] The invention relates to an installation structure of a thyristor valve, a core device of a static var compensator (SVC) in a power system and power electronics technology, in particular to a constant pressure mechanism of a series thyristor valve group. Background technique [0002] The thyristor valve is the core component of the static var compensator. When the thyristor valve group is working, it must ensure that it has good mechanical stability. In addition, the thyristor generates heat due to its own power consumption during operation. If appropriate measures are not taken to dissipate this heat, the temperature of the PN junction of the module die will rise sharply, resulting in deterioration of device characteristics, until it is completely damaged. [0003] In order to make the thyristor fully exert its rated performance and improve the reliability in use, it is necessary to select the radiator scientifically and install it correctly. Only b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L25/07H01L23/12
Inventor 汤广福李志麒蓝元良徐丽慧
Owner CHINA ELECTRIC POWER RES INST
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