Internal cooling system of thyristor valve

A technology for cooling systems and thyristor valves, applied to electrical components, electrical solid devices, circuits, etc., can solve the problems of inaccurate parameter indicators and inability to combine actual system applications, etc.

Inactive Publication Date: 2012-04-04
TIANSHENGQIAO BUREAU CSG EHV POWER TRANSMISSION CO
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Problems solved by technology

[0006] The purpose of the present invention is to provide a cooling system in a thyristor valve. On the basis of the existing theoretical analysis, a specific model is constructed to obtain specific parameter indicators, aiming at solving the problem that the parameter indicators obtained by theoretical analysis are not accurate enough and cannot be combined with the actual system. application problem

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  • Internal cooling system of thyristor valve
  • Internal cooling system of thyristor valve
  • Internal cooling system of thyristor valve

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Embodiment Construction

[0015] In order to make the object, technical solution and advantages of the present invention more clear and definite, the present invention will be further described in detail below with reference to the accompanying drawings and examples.

[0016] see figure 1 , the internal cooling system is a relatively complex system compared to the external cooling system. The thyristor converter valve in this project is an indoor suspended quadruple valve tower structure, so there are four valves in each quadruple valve tower unit , each quadruple valve tower is composed of 12 thyristor modules in 6 layers up and down, left and right. Each valve consists of three thyristor modules, and each thyristor module consists of two valve layers. Each valve layer is composed of 13 thyristor stages connected in parallel with the RC loop; and then connected in series with 4 reactors.

[0017] Thyristors, damping resistors and valve reactors are cooled with deionized water. Each valve tower has ...

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Abstract

The invention discloses an internal cooling system of a thyristor valve, wherein the thyristor valve is of an indoor suspended four-valve tower structure; each four-valve tower comprises twelve thyristor modules arranged up, down, left and right in six layers; each valve comprises three thyristor modules; and each thyristor module comprises two valve layers. An accurate physical model is built based on practical application by combining theory with practice through the internal cooling system of the thyristor valve, and relatively real simulation results are obtained based on the actual production data so as to predict real results in different situations, so that a reference basis is provided for actual production so as to guide the actual production application.

Description

technical field [0001] The invention relates to the field of cooling, in particular to a cooling system in a thyristor valve. Background technique [0002] The cooling system in the thyristor valve is a closed-loop system, and its internal structure is relatively complicated. In the existing literature, some briefly introduce the characteristics and principles of various cooling methods, and propose an immersion evaporative cooling system; some introduce the thyristor rectifier The importance of thyristor cooling in the circuit, established a constant pressure evaporative cooling test bench for thyristors, and verified the feasibility of using evaporative cooling for thyristor rectifier circuits through simulation data; Describe, introduce the working principle of water treatment, and put forward the design requirements for water treatment of the cooling water system in the thyristor valve cooling system, and provide reference for ensuring the safe and reliable operation of ...

Claims

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Application Information

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IPC IPC(8): H01L23/473
Inventor 田兴旺
Owner TIANSHENGQIAO BUREAU CSG EHV POWER TRANSMISSION CO
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