WO2013060127A1 - 基于多单元集成抽屉式功率模块的一体化集约式svg柜 - Google Patents

基于多单元集成抽屉式功率模块的一体化集约式svg柜 Download PDF

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Publication number
WO2013060127A1
WO2013060127A1 PCT/CN2012/074348 CN2012074348W WO2013060127A1 WO 2013060127 A1 WO2013060127 A1 WO 2013060127A1 CN 2012074348 W CN2012074348 W CN 2012074348W WO 2013060127 A1 WO2013060127 A1 WO 2013060127A1
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Prior art keywords
power
integrated
cabinet
unit
drawer
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PCT/CN2012/074348
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English (en)
French (fr)
Inventor
汪昊
李旷
郭度厚
王继浩
孟海星
张利斌
宋博
孙丹
李继明
丁迎春
魏斌
张子萍
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荣信电力电子股份有限公司
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Publication of WO2013060127A1 publication Critical patent/WO2013060127A1/zh

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
    • H02J3/1821—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/10—Flexible AC transmission systems [FACTS]

Definitions

  • the invention relates to the field of medium and high voltage universal converters, in particular to an integrated intensive SVG cabinet based on a multi-unit integrated drawer power module. Background technique
  • the charging cabinet, the control cabinet and the plurality of power cabinets of the high-voltage reactive power compensator SVG are independent cabinets, and the space arrangement forms are arranged in sequence; the charging cabinet, the control cabinet and the power cabinets respectively pass the cable Control line connection, due to the arrangement of the existing structure, the connection between the two is long, the interlacing is complicated, and it is not easy to assemble and repair; the power units in the power cabinet are vertically arranged, in order to facilitate the installation of the connection, the power unit needs to be guaranteed The spacing of the power cabinet is large at a certain interval; Moreover, the layout of the cabinets is arranged such that the overall structure of the high-voltage reactive power compensator is large, large in area, high in cost, and low in power density. Summary of the invention
  • the object of the present invention is to provide an integrated intensive SVG cabinet based on a multi-unit integrated drawer type power module with compact layout and convenient connection between cabinet units, and each power cabinet cabinet is an integrated integrated structure with left and right structure arrangement.
  • the power cabinet is composed of a plurality of drawer power modules stacked vertically, and the internal components of each power unit adopt a compact integrated structure, which facilitates the production, storage, installation, expansion, maintenance and transportation of the power unit.
  • An integrated intensive SVG cabinet based on a multi-unit integrated drawer power module comprising a control cabinet, a power cabinet, a charging cabinet, and the power cabinet includes multiple powers
  • the unit drawers are vertically stacked, and the power unit drawers are connected in series, and each column corresponds to one phase
  • the three-phase power cabinet is an integrated integrated structure with left and right structure arrangement.
  • the rear part of the power cabinet is provided with a mounting part for supporting a capacitor, and the supporting capacitor can be configured according to the capacity of the device: when the capacity of the device is small, when the internal capacitance of the power unit can meet the capacity requirement, the external supporting capacitor is not configured;
  • the required capacitance can be configured outside the power unit by connecting the busbar.
  • a plurality of power units of the same structure and independent of each other are disposed in the power module drawer, and the power units are separated by an insulating partition.
  • Each of the power units includes a drive control board, a resistor, a temperature control switch, a composite busbar, a copper busbar, a film capacitor, a fully controlled device and a heat sink.
  • the drive control board is located at the uppermost layer.
  • the fully controlled device is located at the lower part of the drive control board, the fully controlled device is connected to the heat sink, and the fully controlled device is mounted on the composite busbar; the side of the fully controlled device is provided with a film capacitor.
  • the rear part of the power module drawer is connected by a spring-loaded plug to the exterior of the power module drawer.
  • Multiple power cabinets adopt an integrated intensive structure, which is compact in structure and can reduce the volume by at least 1/3 compared with the split layout.
  • the connection between the cabinet units is simple and convenient, and the cost is low.
  • the power unit adopts the vertical stacking installation mode of the drawer structure, and the power units are vertically connected in series, and each column corresponds to one phase, which reduces the floor space.
  • a plurality of power units of the same structure are arranged in one drawer, the structure is novel, the occupied space is greatly reduced, and the volume is greatly reduced with respect to the split power unit, which is convenient for installation, debugging, maintenance and transportation.
  • the power unit is installed with a free quick-swap connection, which facilitates the production reserve, installation, expansion, maintenance and transportation of the power unit, and is highly versatile.
  • the supporting capacitor and power unit that need to be expanded in the power cabinet can be easily expanded. It is very convenient to match the capacitor according to the equipment capacity.
  • Figure 1 is a front elevational view of the intensive layout of the present invention
  • Figure 2 is a rear view of the intensive layout of the present invention
  • Figure 3 is a front elevational view of the three-dimensional structure of the present invention.
  • Figure 4 is a rear perspective view of the three-dimensional structure of the present invention.
  • Figure 5 is a top plan view of the drawer type power unit
  • Figure 6 is a side elevational view of the drawer type power unit
  • Figure 7 is an external connection diagram of the power cabinet.
  • an integrated intensive SVG cabinet based on a multi-unit integrated drawer power module comprising a control cabinet 4, a power cabinet 5, a charging cabinet 7, and a power cabinet vertically stacked by a plurality of power unit drawers 6 Arrangement, each power unit drawer 6 is connected in series, each column corresponds to one phase; the three-phase power cabinet 5 is an integrated integrated structure of left and right structure arrangement.
  • the power cabinet 5 is provided with a supporting capacitor mounting portion 9 and a plurality of film capacitors 10 for capacity expansion.
  • the capacitor portion and the power unit are separated according to the requirements of the device capacity.
  • the charging cabinet 7 is provided with a lightning arrester 1, a reactor 2 and a contactor 3.
  • the ventilation cooling system of the integrated intensive SVG cabinet based on the multi-unit integrated drawer power module includes the air duct and the fan 8, the fan 8 is arranged at the top of each component, and the air inlet is arranged below the power cabinet and the charging cabinet.
  • each power unit is composed of a driving control board 11, a full control type device 12, a heat sink 13, and a film capacitor 14, and each device is an integrated integrated structure.
  • the internal components of each power unit are stacked and compact, the drive control board 11 is located at the uppermost layer, the full control device 12 is located at the lower portion of the drive control board 11, the full control device 12 is connected to the heat sink 13, and the full control device 12 is mounted on the composite
  • the busbar 15 is provided with a film capacitor 14 on the side of the full control device 12.
  • the two integrated power units are identical in structure. They are two independent wholes except for the electrical connection.
  • the two power units are located in a power unit drawer 6 and are freely pluggable and resiliently contactable.
  • each power unit has a laminated compact structure
  • the driving control board 11 is located at the uppermost layer
  • the full control device 12 is located at the lower part of the driving control board 11, and the full control device 12 is connected with the heat sink 13, and the full control type
  • the 12 pieces are mounted on the composite bus bar 15; the side of the full control type device 12 is provided with a film capacitor 14.
  • the rear portion of the power module drawer 6 is connected to the exterior of the power module drawer by a spring-loaded plug.
  • the rear part of the power cabinet 5 is provided with a mounting portion for supporting the capacitor 16.
  • the supporting capacitor 16 can be configured according to the capacity of the device: When the device capacity is small, the internal capacitance of the power unit can meet the capacity requirement, and the external component is not configured. Supporting capacitor 16; When the device capacity is large, the required supporting capacitor 16 can be disposed outside the power cabinet 5 by connecting the bus bar 17.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

一种基于多单元集成抽屉式功率模块的一体化集约式SVG柜，包括控制柜（4）、功率柜（5）、和充电柜（7），该功率柜包括多个功率单元抽屉（6）竖向层叠布置，各抽屉功率单元间串联连接，每列对应一相，三相功率柜为左右结构布置的一体化集成结构。功率柜后部设有支撑电容安装部分（9），按照设备容量的需求扩展的电容部分与功率单元为分体的结构。

Description

基于多单元集成抽屉式功率模块的一体化集约式 SVG柜
技术领域
本发明涉及中高压通用变流器领域， 尤其涉及一种基于多单元集成抽屉式功率 模块的一体化集约式 SVG柜。 背景技术
现有技术中， 高压无功补偿器 SVG的充电柜、 控制柜、 多个功率柜均为独立的 柜体， 其空间布置形式是依次排列； 充电柜、 控制柜与各功率柜间分别通过电缆、 控 制线连接， 由于现有结构的布置，造成相互之间连线长，交错复杂，不便于装配维修; 功率柜内的功率单元分别垂直列置，为方便安装连线，功率单元间需保证一定的间隔， 使功率柜体积较大； 而且，各柜体分开排列的布局使得高压无功补偿器整体结构体积 大， 占地面积大， 成本高， 功率密度低。 发明内容
本发明的目的是提供一种布局紧凑、柜体单元之间连线方便的基于多单元集成抽 屉式功率模块的一体化集约式 SVG柜， 各功率柜柜体为左右结构布置的一体化集成 结构， 功率柜由多个抽屉式功率模块竖向层叠布置构成， 而且每个功率单元内部器件 采用紧凑型集成结构， 便于功率单元的生产、 储备、 安装、 扩展、 维修和运输。
为实现上述目的， 本发明通过以下技术方案实现： 一种基于多单元集成抽屉式功 率模块的一体化集约式 SVG柜， 包括控制柜、 功率柜、 充电柜， 所述的功率柜包括 多个功率单元抽屉竖向层叠布置， 各功率单元抽屉间串联连接， 每列对应一相； 三相 功率柜为左右结构布置的一体化集成结构。
所述功率柜后部设有支撑电容的安装部分， 可按照设备容量的需求配置支撑电 容：设备容量较小时，功率单元内部电容即可满足容量要求时，不配置外部支撑电容； 设备容量较大时， 可通过连接母排在功率单元外部配置所需电容。
所述功率模块抽屉内设置多个相同结构并相互独立的功率单元， 各功率单元间通 过绝缘隔板分隔。
所述每个功率单元内部包括驱动控制板， 电阻器， 温控开关， 复合母排， 铜排， 薄膜电容， 全控型器件和散热器， 为层叠式紧凑结构， 驱动控制板位于最上层， 全控 型器件位于驱动控制板下部，全控型器件与散热器连接，全控型器件安装于复合母排 上； 全控型器件的侧部设有薄膜电容。
所述功率模块抽屉的后部采用弹片式插头使复合母线与功率模块抽屉外部连接。 与现有技术相比， 本发明的有益效果是：
1 ) 多个功率柜采用一体化集约式结构形式， 结构紧凑， 体积较分体式布局的至 少可减少 1/3， 柜体单元之间连线简捷方便， 成本低。 2 ) 功率单元采用抽屉结构竖向层叠安装方式， 功率单元间纵向串接， 每列对应 一相， 减少占地面积。
3 ) 多个相同结构的功率单元设置于一个抽屉内， 结构新颖， 大大减小了占用的 空间， 体积相对于分列式功率单元大为减小， 便于安装、 调试、 维护、 运输。 功率单 元安装采用自由快速插拔连接方式， 便于功率单元的生产储备、 安装、 扩展、 维护和 运输， 通用性强。
4 ) 功率柜内需扩展的支撑电容与功率单元分体设置， 可方便扩展， 按设备容量 需求配套电容极为方便。 附图说明
图 1是本发明集约式布局正视图；
图 2是本发明集约式布局后视图；
图 3是本发明的立体结构前视图；
图 4是本发明的立体结构后视图；
图 5是抽屉式功率单元的俯视结构图；
图 6是抽屉式功率单元的侧视结构图；
图 7是功率柜的外部连接图。
图中： 1-避雷器 2-电抗器 3-接触器 4-控制柜 5-功率柜 6-功率单元抽屉 7-充电柜 8-风机 9-支撑电容安装箱体 10-设置于功率单元外部的备扩展的薄膜 电容 11-驱动控制板 12-全控型器件 13-散热器 14-薄膜电容 15-复合母排 16-支撑电容 17-连接母排 具体实施方式
下面结合附图对本发明的技术内容作进一步详细说明。
见图 1-图 4，一种基于多单元集成抽屉式功率模块的一体化集约式 SVG柜，包括 控制柜 4、 功率柜 5、 充电柜 7， 功率柜由多个功率单元抽屉 6竖向层叠布置， 各功 率单元抽屉 6间串联连接，每列对应一相； 三相功率柜 5为左右结构布置的一体化集 成结构。
功率柜 5后部设有支撑电容安装部分 9，内设有多个可供容量扩展的薄膜电容 10， 按照设备容量的需求扩展的电容部分与功率单元为分体的结构。充电柜 7内设有避雷 器 1、 电抗器 2和接触器 3。
基于多单元集成抽屉式功率模块的一体化集约式 SVG柜的通风冷却系统包括风 道和风机 8， 风机 8设置在各组成部分的顶部， 进风口设置在功率柜和充电柜柜体下 方。
见图 5、 图 6， 在一个抽屉内设置两个相同结构放置的功率单元， 其间通过绝缘 隔板分隔。 每个功率单元由驱动控制板 11、 全控型器件 12、 散热器 13、 薄膜电容 14组成， 各器件为一体化集成结构。 每个功率单元内部器件为层叠式紧凑结构， 驱动控制板 11位于最上层， 全控型器件 12位于驱动控制板 11下部， 全控型器件 12连接散热器 13， 全控型器件 12安装于复合母排 15上； 全控型器件 12的侧部设有薄膜电容 14。
两个集成化功率单元， 结构上完全一致， 除电气连接外分别为两个独立的整体， 两个功率单元位于一个功率单元抽屉 6内， 自由插拔， 弹性接触方式。
弹性接触方式为： 每个功率单元内部为层叠式紧凑结构， 驱动控制板 11 位于最 上层， 全控型器件 12位于驱动控制板 11下部， 全控型器件 12与散热器 13连接， 全 控型器 12件安装于复合母排 15上； 全控型器件 12的侧部设有薄膜电容 14。 所述功 率模块抽屉 6的后部采用弹片式插头使复合母线 15与功率模块抽屉外部连接。
如图 7所示， 功率柜 5后部设有支撑电容 16的安装部分， 可按照设备容量的需 求配置支撑电容 16: 设备容量较小时， 功率单元内部电容即可满足容量要求时， 不 配置外部支撑电容 16; 设备容量较大时， 可通过连接母排 17在功率柜 5外部配置所 需支撑电容 16。

Claims

权 利 要 求 书
1 . 一种基于多单元集成抽屉式功率模块的一体化集约式 SVG柜， 包括控制柜、 功率柜、 充电柜， 其特征在于， 所述的功率柜包括多个功率单元抽屉竖向层叠布置， 各功率单元抽屉间串联连接，每列对应一相； 三相功率柜为左右结构布置的一体化集 成结构。
2.根据权利要求 1所述的基于多单元集成抽屉式功率模块的一体化集约式 SVG 柜， 其特征在于， 所述功率柜后部设有支撑电容的安装部分， 可按照设备容量的需求 配置支撑电容： 设备容量较小时， 功率单元内部电容即可满足容量要求时， 不配置外 部支撑电容； 设备容量较大时， 可通过连接母排在功率单元外部配置所需电容。
3.根据权利要求 1所述的基于多单元集成抽屉式功率模块的一体化集约式 SVG 柜， 其特征在于， 所述功率模块抽屉内设置多个相同结构并相互独立的功率单元， 各 功率单元间通过绝缘隔板分隔。
4.根据权利要求 3所述的基于多单元集成抽屉式功率模块的一体化集约式 SVG 柜， 其特征在于， 所述每个功率单元内部包括驱动控制板， 电阻器， 温控开关， 复合 母排， 铜排， 薄膜电容， 全控型器件和散热器， 为层叠式紧凑结构， 驱动控制板位于 最上层， 全控型器件位于驱动控制板下部， 全控型器件与散热器连接， 全控型器件安 装于复合母排上； 全控型器件的侧部设有薄膜电容。
5. 根据权利要求 1或 4所述的基于多单元集成抽屉式功率模块的一体化集约式 SVG柜， 其特征在于， 所述功率模块抽屉的后部采用弹片式插头使复合母线与功率 模块抽屉外部连接。
PCT/CN2012/074348 2011-10-27 2012-04-19 基于多单元集成抽屉式功率模块的一体化集约式svg柜 WO2013060127A1 (zh)

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