WO2012088676A1 - 66kv light-controlled water-cooled thyristor valve bank - Google Patents

66kv light-controlled water-cooled thyristor valve bank Download PDF

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Publication number
WO2012088676A1
WO2012088676A1 PCT/CN2010/080447 CN2010080447W WO2012088676A1 WO 2012088676 A1 WO2012088676 A1 WO 2012088676A1 CN 2010080447 W CN2010080447 W CN 2010080447W WO 2012088676 A1 WO2012088676 A1 WO 2012088676A1
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WIPO (PCT)
Prior art keywords
unit
water
valve
light
cooled
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PCT/CN2010/080447
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French (fr)
Chinese (zh)
Inventor
司明起
薛轶宁
刘国恩
龙浩
丁雅丽
杜纯钢
杨旭
Original Assignee
荣信电力电子股份有限公司
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Priority to PCT/CN2010/080447 priority Critical patent/WO2012088676A1/en
Publication of WO2012088676A1 publication Critical patent/WO2012088676A1/en

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/20927—Liquid coolant without phase change
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/14—Mounting supporting structure in casing or on frame or rack
    • H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
    • H05K7/1427—Housings
    • H05K7/1432—Housings specially adapted for power drive units or power converters
    • H05K7/14339—Housings specially adapted for power drive units or power converters specially adapted for high voltage operation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
    • H01L23/46—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids
    • H01L23/473—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids by flowing liquids
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
    • H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
    • H01L25/10—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices having separate containers
    • H01L25/11—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices having separate containers the devices being of a type provided for in group H01L29/00
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
    • H01L25/16—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof the devices being of types provided for in two or more different main groups of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. forming hybrid circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001—Technical content checked by a classifier
    • H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00

Definitions

  • the invention relates to a water-cooled heat-dissipating light-controlled thyristor valve block, which is applied to electric power, metallurgy and all other fields using a light-controlled thyristor as a core device, and can be used for a light-controlled thyristor valve group of a voltage level of 66 kV and above.
  • Thyristor is the most widely used valve component. By controlling the firing angle of the thyristor, the impedance can be continuously adjusted, which can enhance the system's power transmission capability, improve system stability, dampen power oscillation and suppress sub-synchronous oscillation.
  • the thyristor valve body is usually subjected to high voltage and high current, and needs to be realized by series and parallel connection of multiple thyristors.
  • the thyristor valve block is a core component of the dynamic reactive power compensation device in the power system.
  • the structure of the thyristor valve body covers a wide range of technologies, including semiconductor device mounting, heat transfer, solid and fluid stress analysis, electromagnetic compatibility, and high voltage insulation coordination. Therefore, the mechanical mounting structure of the thyristor valve is critical, and only a reasonable mechanical mounting structure can provide a strong guarantee for the safe operation and convenient maintenance of the thyristor valve.
  • the voltage level of the thyristor valve group used in China is below 35kV.
  • the design of the 66kV valve group needs to be considered more, including high voltage insulation problems and voltage equalization shielding problems.
  • the object of the present invention is to provide a 66KV light-controlled water-cooled thyristor valve block with high reliability, small footprint, separate circuit water circuit arrangement and pure water cooling.
  • each phase includes two valve units, each valve unit is composed of a thyristor unit, a return plate unit, a RC protection unit, a frame unit, a water pipe unit, a wire trough unit, and a grading ring unit
  • the valve block is a double-body vertical structure, and the left and right valve units are connected in series to form a single-phase valve group, and the left and right valve units are connected by a soft copper foil row, and the water pipe unit of each valve unit is located In the middle of the valve unit, the water-cooling intergranular unit and the water-cooling resistor of the RC protection unit are disposed on both sides of the water pipe unit; other components of the RC protection unit other than the water-cooling resistor, the cable trough unit, The equalizing ring unit is placed around the valve block.
  • the water-cooling resistor and the damper capacitor of the RC protection unit are arranged in a centralized manner, and are arranged
  • the RC protection unit adopts a modular design, and the same water-cooling resistor and damper capacitor are disposed on the RC bracket to assemble two RC protection units.
  • the valve block is a single vertical structure, and a single-phase valve block is formed by one valve unit, and the water pipe unit is located at an intermediate position.
  • valve block is suitable for voltage levels above 35Kv, 66kV and 66kV.
  • the single-phase valve unit is composed of two left and right valve units.
  • the valve block has compact structure, reasonable layout and simple appearance. It reduces the floor space of the valve block and improves the SVC valve block. Aesthetics, reliability.
  • Figure 1 is a side view of the mechanical mounting structure of a 66kV light-controlled water-cooled thyristor valve block
  • Figure 2 is a front view of the mechanical mounting structure of a 66kV light-controlled water-cooled thyristor valve block
  • Figure 3 is a plan view of the mechanical mounting structure of the 66kV light-controlled water-cooled thyristor valve block
  • Figure 4 is a left side view of the mechanical mounting structure of the 66kV light-controlled water-cooled thyristor valve block
  • Figure 5 is a side view of the mechanical mounting structure of the 66kV light-controlled water-cooled thyristor valve unit
  • Figure 6 is a side view of the RC volume protection unit of the 66kV light-controlled water-cooled thyristor valve body
  • FIG. 7 is an axial side view of a damper capacitor and a water-cooling resistor mounting structure in a RC protection unit;
  • valve block adopts a double-body vertical structure.
  • the left and right valve units form a single-phase valve block, and the left and right valve units are connected by a copper foil. connection.
  • Each valve unit is composed of an intergranular tube unit 1, a return plate unit 2, a RC protection unit 3, a frame unit 4, an internal water pipe unit 5, a wire trough unit 6, and a pressure equalizing ring Unit 7 is composed.
  • the water-cooling thyristor unit 1 and the water-cooling resistor in the RC protection unit 3 are disposed on both sides of the internal water pipe unit 5, both in the middle of the valve unit; other devices of the RC protection unit 3 other than the water-cooling water-cooling resistor
  • the return board unit 2, the wire trough unit 6, and the equalizing ring unit 7 are all located around the valve unit.
  • Each unit is connected to the frame unit 4 via an epoxy glass cloth board.
  • Each valve unit is connected to the base 8 through a silicone rubber insulator, and the unit inlet and outlet pipes 9 and the ground wire trough 10 are fixed on the base.
  • the RC protection unit 3 adopts a centralized arrangement, and the water-cooling resistor 11 and the snubber capacitor 12 are arranged side by side on the RC bracket 13.
  • the RC protection unit 3 is modularly assembled, and the same water-cooling resistor 11 and damper capacitor 12 are used.
  • the RC bracket 13 can be equipped with two RC protection units. The number of parts is small and the assembly is simplified.
  • a 35kV light-controlled water-cooled thyristor valve group adopts a single vertical structure, consisting of a thyristor unit 1, a returning plate unit 2, a RC protection unit 3, a frame unit 4, an internal water pipe unit 5, and a wiring line.
  • the trough unit 6 and the equalizing ring unit 7 are composed.
  • the water-cooling thyristor unit 1 and the water-cooling resistor in the RC protection unit 3 are disposed on both sides of the internal water pipe unit 5, and are located in the middle of the valve unit; other devices of the RC protection unit 3 other than the water-cooling water-cooling resistor are not required,
  • the return plate unit 2, the wire trough unit 6, and the equalizing ring unit are all located around the valve block.
  • Each unit is connected to the frame unit 4 via an epoxy glass cloth board.
  • the valve body is connected to the base 8 through a silicone rubber insulator, and the unit inlet and outlet pipes 9 and the ground wireway 10 are fixed on the base.
  • the above embodiment exemplifies the mechanical structure of the 66kV, 35kV light-controlled water-cooled thyristor valve group.
  • the light-controlled water-cooled thyristor valve group of voltage levels of 35Kv, 66kV and above, it is within the scope of the present invention.

Abstract

A light-controlled thyristor valve bank with water-cooled heat radiation. The valve bank is of a double-tower structure. A single phase valve bank is composed of two left and right valve units connected in series. A soft copper foil contactor is used to be connected between the left and right valve units. The pipe unit of each valve unit is arranged in the middle of the valve unit. The thyristor unit (1) which needs to be water-cooled and the water-cooled resistor (11) of the resistance-capacitance protection unit (3) are arranged at both sides of the pipe unit. Other elements without water cooling of the resistance-capacitance protection unit (3) except the water-cooled resistor (11), the wiring slot unit (6), and a corona ring (7) are arranged around the valve bank. The water-cooled resistor (11) and a damp capacitor (12) are applied in a centralized arrangement manner and arranged on a blocking bracket side by side. The resistance-capacitance protection unit (3) is used with modularization design. Two kinds of eudipleural resistance-capacitance protection unit can be equipped with the same water-cooled resistor (11) and damp capacitor (12) arranged on the blocking bracket. It has the advantage of high reliability, small floor space, separately arranged electrical path and water path, and pure water cooling.

Description

66kV光控水冷晶闸管阀组 技术领域  66kV light-controlled water-cooled thyristor valve group
本发明涉及一种水冷散热的光控晶闸管阀组， 该阀组应用于电力、 冶金和所有使用光 控晶闸管作为核心器件的其它领域， 可用于 66kV及以上电压等级的光控晶闸管阀组。  The invention relates to a water-cooled heat-dissipating light-controlled thyristor valve block, which is applied to electric power, metallurgy and all other fields using a light-controlled thyristor as a core device, and can be used for a light-controlled thyristor valve group of a voltage level of 66 kV and above.
背景技术  Background technique
晶闸管是目前应用最为广泛的阀元件， 通过控制晶闸管的触发角可以对阻抗进行连续 调节， 可以增强系统输电能力， 提高系统稳定性、阻尼功率振荡和抑制次同步振荡等功能。 晶闸管阀体通常要承受高电压和大电流， 需采用多个晶闸管的串并联来实现。 晶闸管阀组 是电力系统中动态无功补偿装置的核心组成部分。  Thyristor is the most widely used valve component. By controlling the firing angle of the thyristor, the impedance can be continuously adjusted, which can enhance the system's power transmission capability, improve system stability, dampen power oscillation and suppress sub-synchronous oscillation. The thyristor valve body is usually subjected to high voltage and high current, and needs to be realized by series and parallel connection of multiple thyristors. The thyristor valve block is a core component of the dynamic reactive power compensation device in the power system.
晶闸管阀体的结构涉及的技术范围较为广泛， 包括半导体器件的安装、 传热、 固体及 流体应力分析、 电磁兼容、 高压绝缘配合等多方面的技术。 因此， 晶闸管阀的机械安装构 造是至关重要的， 只有采用合理的机械安装构造， 才能为晶闸管阀的安全运行和方便维护 提供有力保障。  The structure of the thyristor valve body covers a wide range of technologies, including semiconductor device mounting, heat transfer, solid and fluid stress analysis, electromagnetic compatibility, and high voltage insulation coordination. Therefore, the mechanical mounting structure of the thyristor valve is critical, and only a reasonable mechanical mounting structure can provide a strong guarantee for the safe operation and convenient maintenance of the thyristor valve.
目前国内应用的晶闸管阀组电压等级均在 35kV以下， 66kV阀组在设计上需要考虑的 问题更多， 包括高电压绝缘问题、 均压屏蔽问题等。  At present, the voltage level of the thyristor valve group used in China is below 35kV. The design of the 66kV valve group needs to be considered more, including high voltage insulation problems and voltage equalization shielding problems.
由于电压等级的提高， 在结构设计上既要考虑绝缘、 散热、 稳定等传统问题， 还要考 虑占地面积， 均压屏蔽等新问题。 在散热上采用目前国际上通行的水冷散热方式， 散热效 率高。 但目前阀组的水路与电路交错布置， 不利于检修与维护， 而且一旦漏水， 会对电路 造成影响。  Due to the improvement of the voltage level, traditional problems such as insulation, heat dissipation and stability should be considered in the structural design, and new problems such as floor space and voltage equalization shielding should be considered. In the heat dissipation, the current internationally adopted water cooling method is adopted, and the heat dissipation efficiency is high. However, the current water circuit of the valve block is staggered with the circuit, which is not conducive to maintenance and maintenance, and once the water leaks, it will affect the circuit.
发明内容  Summary of the invention
本发明的目的是提供一种高可靠性、占地面积小、电路水路分开布置、纯水冷却的 66KV 光控水冷晶闸管阀组。  The object of the present invention is to provide a 66KV light-controlled water-cooled thyristor valve block with high reliability, small footprint, separate circuit water circuit arrangement and pure water cooling.
为实现上述目的， 本发明通过以下技术方案实现：  To achieve the above object, the present invention is achieved by the following technical solutions:
66kV光控水冷晶闸管阀组， 每相包括两个阀单元， 每个阀单元均由晶闸管单元、 回报 板单元、 阻容保护单元、 框架单元、 水管单元、 走线槽单元、 均压环单元组成， 其特征在 于， 阀组为双体立式结构， 由左右两个阀单元串联构成单相阀组， 左右两个阀单元之间采 用铜箔软连排连接， 每个阀单元的水管单元位于阀单元中间位置， 需要水冷的晶间管单元 及阻容保护单元的水冷电阻设置在水管单元的两侧； 不需水冷的除水冷电阻以外的阻容保 护单元的其它器件、 走线槽单元、 均压环单元设置在阀组四周。 所述的阻容保护单元水冷电阻和阻尼电容采用集中布置方式， 并排设置在阻容托架 上。 66kV light-controlled water-cooled thyristor valve group, each phase includes two valve units, each valve unit is composed of a thyristor unit, a return plate unit, a RC protection unit, a frame unit, a water pipe unit, a wire trough unit, and a grading ring unit The valve block is a double-body vertical structure, and the left and right valve units are connected in series to form a single-phase valve group, and the left and right valve units are connected by a soft copper foil row, and the water pipe unit of each valve unit is located In the middle of the valve unit, the water-cooling intergranular unit and the water-cooling resistor of the RC protection unit are disposed on both sides of the water pipe unit; other components of the RC protection unit other than the water-cooling resistor, the cable trough unit, The equalizing ring unit is placed around the valve block. The water-cooling resistor and the damper capacitor of the RC protection unit are arranged in a centralized manner, and are arranged side by side on the RC bracket.
所述的阻容保护单元采用模块化设计， 用同样的水冷电阻和阻尼电容设置在阻容托架 上可以装配出左右对称的两种阻容保护单元。  The RC protection unit adopts a modular design, and the same water-cooling resistor and damper capacitor are disposed on the RC bracket to assemble two RC protection units.
阀组为单体立式结构， 由一个阀单元构成单相阀组， 构成水管单元位于中间位置的 The valve block is a single vertical structure, and a single-phase valve block is formed by one valve unit, and the water pipe unit is located at an intermediate position.
35kV光控水冷晶闸管阀组。 35kV light-controlled water-cooled thyristor valve block.
该阀组的结构适用于 35Kv、 66kV及 66kV以上的电压等级。  The structure of the valve block is suitable for voltage levels above 35Kv, 66kV and 66kV.
与现有技术相比， 本发明的优点是：  The advantages of the present invention over the prior art are:
1 ) 采用双体立式结构， 由左右两个阀单元构成单相阀组， 阀组结构紧凑， 布局更加 合理， 外观简洁精美； 减小了阀组的占地面积， 提高了 SVC阀组的美观性、 可靠性。  1) Adopting double-body vertical structure, the single-phase valve unit is composed of two left and right valve units. The valve block has compact structure, reasonable layout and simple appearance. It reduces the floor space of the valve block and improves the SVC valve block. Aesthetics, reliability.
2 ) 所有水管布置在阀组的阀单元中间， 所有部件间接线全部在阀组两侧， 互补干扰， 便于维护； 改变了传统的水路、 电路交错布置的方式。  2) All water pipes are arranged in the middle of the valve unit of the valve block. All the wiring between the components is on both sides of the valve block, which complements the interference and is easy to maintain. It changes the way of traditional waterway and circuit staggered arrangement.
3 ) 将水冷电阻和阻尼电容并排布置在阻容托架上， 减少由于导线过长造成的干扰， 便于接线， 节省空间；  3) Arrange the water-cooling resistor and the snubber capacitor side by side on the RC bracket to reduce the interference caused by the long lead wire, which is convenient for wiring and saves space;
4 ) 模块化设计， 用同样的零件可以装配出左右对称的两种阻容托架， 减少零件种类。 附图说明  4) Modular design, with the same parts can be assembled with two kinds of RC brackets to reduce the types of parts. DRAWINGS
图 1是 66kV光控水冷晶闸管阀组的机械安装结构的轴侧图；  Figure 1 is a side view of the mechanical mounting structure of a 66kV light-controlled water-cooled thyristor valve block;
图 2 是 66kV光控水冷晶闸管阀组的机械安装结构的主视图；  Figure 2 is a front view of the mechanical mounting structure of a 66kV light-controlled water-cooled thyristor valve block;
图 3是 66kV光控水冷晶闸管阀组的机械安装结构的俯视图；  Figure 3 is a plan view of the mechanical mounting structure of the 66kV light-controlled water-cooled thyristor valve block;
图 4是 66kV光控水冷晶闸管阀组的机械安装结构的左视图；  Figure 4 is a left side view of the mechanical mounting structure of the 66kV light-controlled water-cooled thyristor valve block;
图 5是 66kV光控水冷晶闸管阀单元的机械安装结构的轴侧图；  Figure 5 is a side view of the mechanical mounting structure of the 66kV light-controlled water-cooled thyristor valve unit;
图 6是 66kV光控水冷晶闸管阀体的阻容保护单元的轴侧图；  Figure 6 is a side view of the RC volume protection unit of the 66kV light-controlled water-cooled thyristor valve body;
图 7是阻容保护单元中阻尼电容、 水冷电阻安装结构的轴侧图；  7 is an axial side view of a damper capacitor and a water-cooling resistor mounting structure in a RC protection unit;
具体实施方式  detailed description
下面结合附图对本发明的技术内容作进一步详细说明。  The technical content of the present invention will be further described in detail below with reference to the accompanying drawings.
实施例 1  Example 1
见图 1-图 5， 66kV光控水冷晶闸管阀组， 该阀组采用双体立式结构， 由左右两个阀单 元构成单相阀组， 左右两个阀单元之间采用铜箔软连排连接。 每个阀单元均由晶间管单元 1、 回报板单元 2、 阻容保护单元 3、 框架单元 4、 内部水管单元 5、 走线槽单元 6、 均压环 单元 7组成。 需要水冷的晶闸管单元 1与阻容保护单元 3中的水冷电阻布置在内部水管单 元 5的两侧， 都位于阀单元的中间； 不需水冷的除水冷电阻以外的阻容保护单元 3的其它 器件、 回报板单元 2、 走线槽单元 6、 均压环单元 7都位于阀单元四周。 各个单元均通过 环氧玻璃丝布板与框架单元 4连接。 每个阀单元均通过硅橡胶绝缘子与底座 8连接， 单元 进出水管 9、 地面走线槽 10均固定在底座上。 See Figure 1 - Figure 5, 66kV light-controlled water-cooled thyristor valve block. The valve block adopts a double-body vertical structure. The left and right valve units form a single-phase valve block, and the left and right valve units are connected by a copper foil. connection. Each valve unit is composed of an intergranular tube unit 1, a return plate unit 2, a RC protection unit 3, a frame unit 4, an internal water pipe unit 5, a wire trough unit 6, and a pressure equalizing ring Unit 7 is composed. The water-cooling thyristor unit 1 and the water-cooling resistor in the RC protection unit 3 are disposed on both sides of the internal water pipe unit 5, both in the middle of the valve unit; other devices of the RC protection unit 3 other than the water-cooling water-cooling resistor The return board unit 2, the wire trough unit 6, and the equalizing ring unit 7 are all located around the valve unit. Each unit is connected to the frame unit 4 via an epoxy glass cloth board. Each valve unit is connected to the base 8 through a silicone rubber insulator, and the unit inlet and outlet pipes 9 and the ground wire trough 10 are fixed on the base.
见图 6、 图 7， 阻容保护单元 3中采用集中布置方式， 将水冷电阻 11和阻尼电容 12 并排布置在阻容托架 13上。 阻容保护单元 3采用模块化装配， 采用同样的水冷电阻 11和 阻尼电容 12、 阻容托架 13可以装配出左右对称的两种阻容保护单元。 使得零件数量少， 装配更加简化。  Referring to FIG. 6 and FIG. 7, the RC protection unit 3 adopts a centralized arrangement, and the water-cooling resistor 11 and the snubber capacitor 12 are arranged side by side on the RC bracket 13. The RC protection unit 3 is modularly assembled, and the same water-cooling resistor 11 and damper capacitor 12 are used. The RC bracket 13 can be equipped with two RC protection units. The number of parts is small and the assembly is simplified.
实施例 2  Example 2
参照图 1， 35kV光控水冷晶闸管阀组， 该阀组采为单体立式结构， 由晶闸管单元 1、 回报板单元 2、 阻容保护单元 3、 框架单元 4、 内部水管单元 5、 走线槽单元 6、 均压环单 元 7组成。 需要水冷的晶闸管单元 1与阻容保护单元 3里的水冷电阻布置在内部水管单元 5两侧，都位于阀单元的中间；不需水冷的除水冷电阻以外的阻容保护单元 3的其它器件、、 回报板单元 2、 走线槽单元 6、 均压环单元 Ί都位于阀组四周。 各个单元均通过环氧玻璃 丝布板与框架单元 4连接。 阀体通过硅橡胶绝缘子与底座 8连接， 单元进出水管 9、 地面 走线槽 10均固定在底座上。  Referring to Fig. 1, a 35kV light-controlled water-cooled thyristor valve group adopts a single vertical structure, consisting of a thyristor unit 1, a returning plate unit 2, a RC protection unit 3, a frame unit 4, an internal water pipe unit 5, and a wiring line. The trough unit 6 and the equalizing ring unit 7 are composed. The water-cooling thyristor unit 1 and the water-cooling resistor in the RC protection unit 3 are disposed on both sides of the internal water pipe unit 5, and are located in the middle of the valve unit; other devices of the RC protection unit 3 other than the water-cooling water-cooling resistor are not required, The return plate unit 2, the wire trough unit 6, and the equalizing ring unit are all located around the valve block. Each unit is connected to the frame unit 4 via an epoxy glass cloth board. The valve body is connected to the base 8 through a silicone rubber insulator, and the unit inlet and outlet pipes 9 and the ground wireway 10 are fixed on the base.
以上实施例例举了 66kV、 35kV光控水冷晶闸管阀组的机械结构， 对于 35Kv、 66kV 及 66kV以上的电压等级的光控水冷晶闸管阀组， 均在本发明的权利保护范围之内。  The above embodiment exemplifies the mechanical structure of the 66kV, 35kV light-controlled water-cooled thyristor valve group. For the light-controlled water-cooled thyristor valve group of voltage levels of 35Kv, 66kV and above, it is within the scope of the present invention.

Claims

权利要求书 Claim
1、 66kV光控水冷晶闸管阀组， 每相包括两个阀单元， 每个阀单元均由晶闸管单元、 回报板单元、 阻容保护单元、 框架单元、 水管单元、 走线槽单元、 均压环单元组成， 其特 征在于， 阀组为双体立式结构， 由左右两个阀单元串联构成单相阀组， 左右两个阀单元之 间采用铜箔软连排连接， 每个阀单元的水管单元位于阀单元中间位置， 需要水冷的晶闸管 单元及阻容保护单元的水冷电阻设置在水管单元的两侧； 不需水冷的除水冷电阻以外的阻 容保护单元的其它器件、 走线槽单元、 均压环单元设置在阀组四周。 1. 66kV light-controlled water-cooled thyristor valve group, each phase includes two valve units, each valve unit is composed of thyristor unit, return board unit, RC protection unit, frame unit, water pipe unit, wire trough unit, grading ring The unit composition is characterized in that the valve block is a double-body vertical structure, and the two valve units are connected in series to form a single-phase valve group, and the left and right valve units are connected by a soft copper foil row, and the water pipes of each valve unit are connected. The unit is located in the middle of the valve unit, and the water-cooling thyristor unit and the water-cooling resistor of the resistance-capacitor protection unit are disposed on both sides of the water pipe unit; other components of the resistance-capacity protection unit other than the water-cooling water-cooling resistor, the cable trough unit, The equalizing ring unit is placed around the valve block.
2、 根据权利要求 1所述的 66kV光控水冷晶闸管阀组， 其特征在于， 所述的阻容保护 单元水冷电阻和阻尼电容采用集中布置方式， 并排设置在阻容托架上。  2. The 66 kV light-controlled water-cooled thyristor valve group according to claim 1, wherein the water-cooling resistor and the damper capacitor of the RC protection unit are arranged in a centralized manner, and are arranged side by side on the RC bracket.
3、 根据权利要求 2所述的 66kV光控水冷晶闸管阀组， 其特征在于， 所述的阻容保护 单元采用模块化设计， 用同样的水冷电阻和阻尼电容设置在阻容托架上可以装配出左右对 称的两种阻容保护单元。  3. The 66 kV light-controlled water-cooled thyristor valve group according to claim 2, wherein the RC protection unit adopts a modular design, and the same water-cooling resistor and damping capacitor are disposed on the RC bracket to be assembled. Two kinds of RC protection units are symmetrical.
4、 根据权利要求 1所述的 66kV光控水冷晶闸管阀组， 其特征在于， 阀组为单体立式 结构， 由一个阀单元构成单相阀组， 构成水管单元位于中间位置的 35kV光控水冷晶闸管 阀组。  4. The 66kV light-controlled water-cooled thyristor valve group according to claim 1, wherein the valve block is a single vertical structure, and a single-phase valve block is formed by one valve unit, and the 35kV light control unit of the water pipe unit is located at an intermediate position. Water-cooled thyristor valve block.
5、 根据权利要求 1所述的 66kV光控水冷晶闸管阀组， 其特征在于， 该阀组的结构适 用于 35Kv、 66kV及 66kV以上的电压等级。  The 66kV light-controlled water-cooled thyristor valve group according to claim 1, wherein the structure of the valve group is suitable for voltage levels of 35Kv, 66kV and 66kV or more.
PCT/CN2010/080447 2010-12-29 2010-12-29 66kv light-controlled water-cooled thyristor valve bank WO2012088676A1 (en)

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