WO2016078626A1 - High voltage damping resistor, and high voltage power transmission system using same - Google Patents

High voltage damping resistor, and high voltage power transmission system using same Download PDF

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Publication number
WO2016078626A1
WO2016078626A1 PCT/CN2015/096394 CN2015096394W WO2016078626A1 WO 2016078626 A1 WO2016078626 A1 WO 2016078626A1 CN 2015096394 W CN2015096394 W CN 2015096394W WO 2016078626 A1 WO2016078626 A1 WO 2016078626A1
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voltage
transformer
flange
resistor
high voltage
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PCT/CN2015/096394
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French (fr)
Chinese (zh)
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孙清超
贺晶晶
李永林
杜迎乾
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国家电网公司
平高集团有限公司
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Publication of WO2016078626A1 publication Critical patent/WO2016078626A1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C1/00—Details
    • H01C1/02—Housing; Enclosing; Embedding; Filling the housing or enclosure
    • H01C1/024—Housing; Enclosing; Embedding; Filling the housing or enclosure the housing or enclosure being hermetically sealed
    • H01C1/026—Housing; Enclosing; Embedding; Filling the housing or enclosure the housing or enclosure being hermetically sealed with gaseous or vacuum spacing between the resistive element and the housing or casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C1/00—Details
    • H01C1/14—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C13/00—Resistors not provided for elsewhere
    • H01C13/02—Structural combinations of resistors

Definitions

  • the present invention relates to the field of high voltage power transmission, and more particularly to a high voltage damping resistor and a high voltage power transmission system using the same.
  • a capacitive voltage transformer acts to measure the line voltage.
  • the isolating switch performs the opening and closing operation, it is easy to cause the breakdown of the capacitive voltage transformer, and the capacitive voltage transformer itself has a complicated structure and a high cost. Once the breakdown occurs, the maintenance is difficult and the maintenance cost is extremely high. Obviously, the damage of the capacitive voltage transformer will directly affect the normal operation of the high-voltage transmission system and increase the operating cost of the high-voltage transmission system.
  • a high voltage damping resistor includes a composite outer sleeve and a resistor assembly disposed in the outer sleeve, and one end of the composite outer sleeve is provided for use with the overhead line
  • the connected terminal flange has a transformer connection flange for connecting with the capacitive voltage transformer at the other end, and the resistance component is electrically connected between the terminal flange and the transformer connection flange, and includes an insulating rod for setting At least one resistor piece on the insulating rod, the resistor piece is electrically connected to the terminal flange and the transformer connection flange, respectively.
  • At least one end of the insulating rod is provided with a voltage guiding block, the guiding voltage block is fixed on the insulating rod and the resistor piece is pressed, and the connecting terminal flange and the transformer connecting flange are disposed on the one adjacent to the conducting voltage block.
  • the conductive mating structure includes a conductive socket, and the conductive socket is provided with a conductive finger that cooperates with the voltage guiding block.
  • a radial limiting member for preventing radial deflection of the voltage guiding block is disposed in the conductive socket.
  • the voltage guiding block is screwed on the insulating rod and is provided with a conductive gasket between the adjacent resistor sheets, and an elastic member is arranged between the conductive gasket and the voltage guiding block.
  • the terminal flange, the transformer connecting flange and the composite outer sleeve together form a closed air chamber, and one of the terminal flange and the transformer connecting flange is provided with a gas valve.
  • the high-voltage transmission system adopts the following technical solutions: a high-voltage transmission system, including an isolating switch and a capacitive voltage transformer, a high-voltage damping resistor is disposed between the isolating switch and the capacitive voltage transformer, and the isolating switch is connected to the resistor through an overhead line.
  • the terminal flange of the upper end of the device, the transformer connection flange of the lower end of the resistor and the upper cover of the transformer, the high-voltage damping resistor comprises a composite outer sleeve and a resistor assembly arranged in the outer sleeve, and one end of the outer sleeve is provided There is a terminal flange connected to the overhead line, and the other end is provided with a transformer connection flange connected to the capacitive voltage transformer.
  • the resistance component is electrically connected between the terminal flange and the transformer connection flange, and includes insulation.
  • the rod is electrically connected to the isolating switch connecting flange and the transformer connecting flange by at least one resistor piece disposed on the insulating rod.
  • At least one end of the insulating rod is provided with a voltage guiding block, the guiding voltage block is fixed on the insulating rod and the resistor piece is pressed, and the connecting terminal flange and the transformer connecting flange are disposed on the one adjacent to the conducting voltage block.
  • the voltage guiding block is screwed on the insulating rod and is provided with a conductive gasket between the adjacent resistor sheets, and an elastic member is arranged between the conductive gasket and the voltage guiding block.
  • the terminal flange, the transformer connecting flange and the composite outer sleeve together form a closed air chamber, and one of the terminal flange and the transformer connecting flange is provided with a gas valve.
  • the composite outer sleeve of the high-voltage damping resistor of the present invention has one end of the terminal flange for connection to the overhead line, the other end is provided with a transformer connection flange for connection with the capacitive voltage transformer, and the resistor assembly
  • the electrical connection is between the terminal flange and the transformer connection flange, and the resistor piece is electrically connected to the terminal flange and the transformer connection flange respectively. Therefore, when used, the isolation switch is connected to the overhead line at one end, and the overhead line is connected.
  • the high-voltage damping resistor and the high-voltage damping resistor are further connected with the transformer.
  • the high-voltage damping resistor is connected in series between the isolating switch and the capacitive voltage transformer, and the isolation switch is operated by the resistor dividing and energy-consuming characteristics.
  • the high-frequency oscillating wave damping generated by the time is consumed, and the goal of protecting the capacitive voltage transformer is achieved, thereby solving the problem that the capacitive voltage transformer is easily broken down when the isolation switch is operated in the existing high-voltage transmission system.
  • the setting of the voltage guiding block can facilitate the resistance component and the corresponding flange (terminal flange, transformer connection flange); the conductive gasket and the elastic component can be used to ensure the constant between the voltage guiding block and the resistor piece. Tight fit, when there are more than two resistors, the conductive gasket and the elastic component can also ensure the close contact between the resistors; the air chamber can be used to fill the inert gas to achieve the purpose of protecting the resistor.
  • FIG. 1 is a schematic structural view of an embodiment of a high voltage damping resistor.
  • the high voltage damping resistor includes a terminal flange 1 , a transformer connection flange 3 , a composite outer sleeve 2 , and a resistor assembly disposed in the composite outer sleeve 2 .
  • the terminal flange 1 is used for connection with the overhead line, and the transformer connection flange 3 is used for mutual capacitance with the corresponding capacitor.
  • the sensor connection, the terminal flange 1 and the transformer connection flange 3 are respectively disposed at both ends of the composite outer sleeve 2 and are sealingly fixedly matched with the composite outer sleeve 2, thereby making the terminal flange 1 and the composite outer casing
  • the cylinder 2 and the transformer connection flange 3 together form a gas chamber, and the gas chamber can be used to charge an inert gas such as sulfur hexafluoride to protect the resistance component.
  • the valve flange is provided with a gas valve 11 for charging and discharging inert gas.
  • the resistor assembly includes an insulating rod 4, a resistor sheet 5, a voltage guiding block 8, a conductive spacer 6, and an elastic member.
  • the resistor sheet 5 is made of a ceramic resistor sheet and has a plurality of insulating rods 4 located at the center of each of the resistor sheets 5 and the resistor sheets are stringed together, so that it actually forms a center.
  • the rod and the voltage guiding block 8 are cap-shaped, and are assembled at one end of the insulating rod 4 by internal threads, and integrally form a plug connector for inserting with the conductive matching structure provided on the terminal flange 1 in the present
  • the conductive matching structure includes a conductive socket disposed on the terminal flange 1.
  • the conductive socket 10 is provided with a conductive finger 10, and when the voltage guiding block 8 is inserted into the conductive socket, The electrical connection between the two is realized.
  • the radial limiting member 9 is further disposed in the conductive socket.
  • the radial limiting member is specifically a limiting ring.
  • the conductive gasket 6 is sleeved on the insulating rod, one side of which is in direct contact with the adjacent resistor piece, the other side of the conductive voltage block 8, and the elastic member is specifically a butterfly reed 7 which is mounted on the voltage guiding block 8
  • the elastic member is specifically a butterfly reed 7 which is mounted on the voltage guiding block 8
  • all the resistor sheets 5 on the insulating rod 4 can be squeezed by rotating the voltage guiding block 8, thereby ensuring reliability between adjacent resistor sheets. Contact, and thus ensure its conductivity.
  • the other end of the insulating rod 4 is screwed onto the transformer connecting flange 3.
  • the insulating rod may be located at one side of the resistor sheet, and the clamping member is clamped by clamping members such as claws at both ends; the number of the resistor sheets is more than one. Yes, it can be set as needed.
  • the embodiment of the high-voltage power transmission system includes an isolating switch and a capacitive voltage transformer, and a high-voltage damping resistor is disposed between the isolating switch and the capacitive voltage transformer.
  • the structure of the high-voltage damping resistor is as shown in FIG. 1 , and the high voltage is The structure of the embodiment of the damping resistor is the same and will not be described herein.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Transformers For Measuring Instruments (AREA)

Abstract

The present invention relates to the field of high voltage power transmission, and relates in particular to a high voltage damping resistor, and a high voltage power transmission system using the same. The high voltage damping resistor comprises a composite outer sleeve and a resistance assembly, one end of the composite outer sleeve being provided with a wiring terminal flange for connecting an overhead line, the other end being provided with a transformer connection flange, the resistance assembly being electrically connected between the wiring terminal flange and the transformer connection flange, the resistance assembly comprising an insulation rod and at least one resistance piece arranged on the insulation rod, the resistance pieces being respectively electrically connected to the wiring terminal flange and the transformer connection flange. When in use, the high voltage damping resistor may be connected in series between an isolation switch and a capacitive voltage transformer, and via resistance voltage dividing and energy consumption characteristics of the high voltage damping resistor, high frequency oscillation wave damping produced during operation of the isolation switch is consumed, achieving the goal of protecting the capacitive voltage transformer, and thereby solving the problem that capacitive voltage transformers in existing high voltage power transmission systems easily break down.

Description

高压阻尼电阻器及使用该电阻器的高压输电***High-voltage damping resistor and high-voltage power transmission system using the same 技术领域Technical field
本发明涉及高压输电领域，特别是涉及到了一种高压阻尼电阻器及使用该电阻器的高压输电***。The present invention relates to the field of high voltage power transmission, and more particularly to a high voltage damping resistor and a high voltage power transmission system using the same.
背景技术Background technique
在高压输电***中，电容式电压互感器起着测量线路电压的作用。然而，在隔离开关进行分合闸操作时，很容易引起电容式电压互感器击穿，而电容式电压互感器本身结构复杂，造价高，一旦发生击穿，则维修困难，维护成本极高。显然，电容式电压互感器的损坏会直接影响高压输电***的正常运行，增加高压输电***的运行成本。In a high voltage transmission system, a capacitive voltage transformer acts to measure the line voltage. However, when the isolating switch performs the opening and closing operation, it is easy to cause the breakdown of the capacitive voltage transformer, and the capacitive voltage transformer itself has a complicated structure and a high cost. Once the breakdown occurs, the maintenance is difficult and the maintenance cost is extremely high. Obviously, the damage of the capacitive voltage transformer will directly affect the normal operation of the high-voltage transmission system and increase the operating cost of the high-voltage transmission system.
发明内容Summary of the invention
本发明的目的在于提供一种高压阻尼电阻器，以解决现有高压输电***中的电容式电压互感器容易被击穿的问题。It is an object of the present invention to provide a high voltage damping resistor to solve the problem that a capacitive voltage transformer in an existing high voltage power transmission system is easily broken down.
同时，本发明的目的还在于提供使用上述高压阻尼电阻器的高压输电***。At the same time, it is an object of the present invention to provide a high voltage power transmission system using the above high voltage damping resistor.
为了解决上述问题，本发明的高压阻尼电阻器采用以下技术方案：高压阻尼电阻器，包括复合外套筒以及设于外套筒中的电阻组件，复合外套筒的一端设有用于与架空线连接的接线端子法兰，另一端设有用于与电容式电压互感器连接的互感器连接法兰，电阻组件电连接在接线端子法兰与互感器连接法兰之间，其包括绝缘杆以设于绝缘杆上的至少一个电阻片，电阻片分别与接线端子法兰和互感器连接法兰电连接。In order to solve the above problems, the high voltage damping resistor of the present invention adopts the following technical solution: a high voltage damping resistor includes a composite outer sleeve and a resistor assembly disposed in the outer sleeve, and one end of the composite outer sleeve is provided for use with the overhead line The connected terminal flange has a transformer connection flange for connecting with the capacitive voltage transformer at the other end, and the resistance component is electrically connected between the terminal flange and the transformer connection flange, and includes an insulating rod for setting At least one resistor piece on the insulating rod, the resistor piece is electrically connected to the terminal flange and the transformer connection flange, respectively.
所述绝缘杆的至少一端设有导电压块，导电压块固定在绝缘杆上并且挤压电阻片，接线端子法兰和互感器连接法兰中靠近导电压块的一个上设有与导电压块电连接的导电配合结构。At least one end of the insulating rod is provided with a voltage guiding block, the guiding voltage block is fixed on the insulating rod and the resistor piece is pressed, and the connecting terminal flange and the transformer connecting flange are disposed on the one adjacent to the conducting voltage block. A conductive mating structure in which the blocks are electrically connected.
所述导电配合结构包括导电插套，导电插套中设有与导电压块配合的导电触指。The conductive mating structure includes a conductive socket, and the conductive socket is provided with a conductive finger that cooperates with the voltage guiding block.
所述导电插套中设有用于防止导电压块径向偏摆的径向限位件。A radial limiting member for preventing radial deflection of the voltage guiding block is disposed in the conductive socket.
导电压块螺纹装配在绝缘杆上并且与相邻的电阻片之间设有导电垫片，导电垫片与导电压块之间顶装有弹性部件。The voltage guiding block is screwed on the insulating rod and is provided with a conductive gasket between the adjacent resistor sheets, and an elastic member is arranged between the conductive gasket and the voltage guiding block.
所述接线端子法兰、互感器连接法兰以及复合外套筒一起围成一个封闭的气室，接线端子法兰和互感器连接法兰中的一个上设有气阀。The terminal flange, the transformer connecting flange and the composite outer sleeve together form a closed air chamber, and one of the terminal flange and the transformer connecting flange is provided with a gas valve.
高压输电***采用以下技术方案：高压输电***，包括隔离开关和电容式电压互感器，隔离开关与电容式电压互感器之间设有高压阻尼电阻器，隔离开关通过架空线连接电阻 器上端的接线端子法兰，电阻器下端的互感器连接法兰和互感器上盖配合，高压阻尼电阻器包括复合外套筒以及设于外套筒中的电阻组件，外套筒的一端设有与架空线连接的接线端子法兰，另一端设有与电容式电压互感器连接的互感器连接法兰，电阻组件电连接在接线端子法兰与互感器连接法兰之间，其包括绝缘杆以设于绝缘杆上的至少一个电阻片，电阻片分别与隔离开关连接法兰和互感器连接法兰电连接。The high-voltage transmission system adopts the following technical solutions: a high-voltage transmission system, including an isolating switch and a capacitive voltage transformer, a high-voltage damping resistor is disposed between the isolating switch and the capacitive voltage transformer, and the isolating switch is connected to the resistor through an overhead line. The terminal flange of the upper end of the device, the transformer connection flange of the lower end of the resistor and the upper cover of the transformer, the high-voltage damping resistor comprises a composite outer sleeve and a resistor assembly arranged in the outer sleeve, and one end of the outer sleeve is provided There is a terminal flange connected to the overhead line, and the other end is provided with a transformer connection flange connected to the capacitive voltage transformer. The resistance component is electrically connected between the terminal flange and the transformer connection flange, and includes insulation. The rod is electrically connected to the isolating switch connecting flange and the transformer connecting flange by at least one resistor piece disposed on the insulating rod.
所述绝缘杆的至少一端设有导电压块，导电压块固定在绝缘杆上并且挤压电阻片，接线端子法兰和互感器连接法兰中靠近导电压块的一个上设有与导电压块电连接的导电配合结构。At least one end of the insulating rod is provided with a voltage guiding block, the guiding voltage block is fixed on the insulating rod and the resistor piece is pressed, and the connecting terminal flange and the transformer connecting flange are disposed on the one adjacent to the conducting voltage block. A conductive mating structure in which the blocks are electrically connected.
导电压块螺纹装配在绝缘杆上并且与相邻的电阻片之间设有导电垫片，导电垫片与导电压块之间顶装有弹性部件。The voltage guiding block is screwed on the insulating rod and is provided with a conductive gasket between the adjacent resistor sheets, and an elastic member is arranged between the conductive gasket and the voltage guiding block.
所述接线端子法兰、互感器连接法兰以及复合外套筒一起围成一个封闭的气室，接线端子法兰和互感器连接法兰中的一个上设有气阀。The terminal flange, the transformer connecting flange and the composite outer sleeve together form a closed air chamber, and one of the terminal flange and the transformer connecting flange is provided with a gas valve.
由于本发明的高压阻尼电阻器的复合外套筒的一端设有用于与架空线连接的接线端子法兰，另一端设有用于与电容式电压互感器连接的互感器连接法兰，并且电阻组件电连接在接线端子法兰与互感器连接法兰之间，电阻片分别与接线端子法兰和互感器连接法兰电连接，因此，在使用的时候，隔离开关一端连接架空线，架空线连接高压阻尼电阻器，高压阻尼电阻器再与互感器配合连接，该高压阻尼电阻器串接在隔离开关与电容式电压互感器之间，由其通过电阻分压和耗能特性，将隔离开关操作时产生的高频振荡波阻尼消耗掉，达到保护电容式电压互感器的目标，从而可解决现有高压输电***中隔离开关操作时电容式电压互感器容易被击穿的问题。Since the composite outer sleeve of the high-voltage damping resistor of the present invention has one end of the terminal flange for connection to the overhead line, the other end is provided with a transformer connection flange for connection with the capacitive voltage transformer, and the resistor assembly The electrical connection is between the terminal flange and the transformer connection flange, and the resistor piece is electrically connected to the terminal flange and the transformer connection flange respectively. Therefore, when used, the isolation switch is connected to the overhead line at one end, and the overhead line is connected. The high-voltage damping resistor and the high-voltage damping resistor are further connected with the transformer. The high-voltage damping resistor is connected in series between the isolating switch and the capacitive voltage transformer, and the isolation switch is operated by the resistor dividing and energy-consuming characteristics. The high-frequency oscillating wave damping generated by the time is consumed, and the goal of protecting the capacitive voltage transformer is achieved, thereby solving the problem that the capacitive voltage transformer is easily broken down when the isolation switch is operated in the existing high-voltage transmission system.
更进一步的，导电压块的设置可为电阻组件与相应法兰(接线端子法兰、互感器连接法兰)提供方便；导电垫片及弹性部件可用于保证导电压块与电阻片之间始终紧密贴合，当电阻片有两个以上时，导电垫片及弹性部件还可以保证电阻片之间紧密贴合；气室可用于充入惰性气体，达到保护电阻片的目的。Further, the setting of the voltage guiding block can facilitate the resistance component and the corresponding flange (terminal flange, transformer connection flange); the conductive gasket and the elastic component can be used to ensure the constant between the voltage guiding block and the resistor piece. Tight fit, when there are more than two resistors, the conductive gasket and the elastic component can also ensure the close contact between the resistors; the air chamber can be used to fill the inert gas to achieve the purpose of protecting the resistor.
附图说明DRAWINGS
图1是高压阻尼电阻器的实施例的结构示意图。1 is a schematic structural view of an embodiment of a high voltage damping resistor.
具体实施方式detailed description
高压阻尼电阻器的实施例，如图1所示，该高压阻尼电阻器包括接线端子法兰1、互感器连接法兰3、复合外套筒2以及设于复合外套筒2中的电阻组件。An embodiment of the high voltage damping resistor, as shown in FIG. 1 , the high voltage damping resistor includes a terminal flange 1 , a transformer connection flange 3 , a composite outer sleeve 2 , and a resistor assembly disposed in the composite outer sleeve 2 .
接线端子法兰1用于与架空线连接，互感器连接法兰3用于与相应的电容式电压互 感器连接，接线端子法兰1和互感器连接法兰3分设于复合外套筒2的两端处并且与复合外套筒2密封固定配合，由此使得接线端子法兰1、复合外套筒2以及互感器连接法兰3共同围成了一个气室，气室中可用于充入如六氟化硫等的惰性气体，从而起到对电阻组件的保护作用。其中接线端子法兰上设有气阀11，气阀11是用于惰性气体的充入以及排出。The terminal flange 1 is used for connection with the overhead line, and the transformer connection flange 3 is used for mutual capacitance with the corresponding capacitor. The sensor connection, the terminal flange 1 and the transformer connection flange 3 are respectively disposed at both ends of the composite outer sleeve 2 and are sealingly fixedly matched with the composite outer sleeve 2, thereby making the terminal flange 1 and the composite outer casing The cylinder 2 and the transformer connection flange 3 together form a gas chamber, and the gas chamber can be used to charge an inert gas such as sulfur hexafluoride to protect the resistance component. The valve flange is provided with a gas valve 11 for charging and discharging inert gas.
电阻组件包括绝缘杆4、电阻片5、导电压块8、导电垫片6以及弹性部件。在本实施例中，电阻片5采用的是陶瓷电阻片并且有多个，绝缘杆4位于各电阻片5的中心处并将电阻片串在了一起，因此，其实际上是形成了一个中心杆，导电压块8呈帽状，其通过内螺纹装配在绝缘杆4的一端处，整体形成了一个用于与接线端子法兰1上所设的导电配合结构插接的插接头，在本实施例中，所述的导电配合结构包括设于接线端子法兰1上的导电插套，导电插套中设有导电触指10，当导电压块8***至导电插套中时，便可实现二者之间的电连接，另外，为了防止导电压块8与导电插套插接后发生径向偏摆，导电插套中还设有径向限位件9，在本实施例中，径向限位件具体采用的是一个限位环。导电垫片6套在绝缘杆上，其一侧与相邻的电阻片直接接触，另一侧面向导电压块8，弹性部件具体采用的是蝶形簧片7，其顶装在导电压块8与导电垫片6之间的位置处，在装配的过程中，通过旋动导电压块8即可实现对绝缘杆4上所有电阻片5的挤压，从而保证相邻电阻片之间的可靠接触，进而保证其传导性能。绝缘杆4的另一端螺纹装配在互感器连接法兰3上。The resistor assembly includes an insulating rod 4, a resistor sheet 5, a voltage guiding block 8, a conductive spacer 6, and an elastic member. In the present embodiment, the resistor sheet 5 is made of a ceramic resistor sheet and has a plurality of insulating rods 4 located at the center of each of the resistor sheets 5 and the resistor sheets are stringed together, so that it actually forms a center. The rod and the voltage guiding block 8 are cap-shaped, and are assembled at one end of the insulating rod 4 by internal threads, and integrally form a plug connector for inserting with the conductive matching structure provided on the terminal flange 1 in the present In an embodiment, the conductive matching structure includes a conductive socket disposed on the terminal flange 1. The conductive socket 10 is provided with a conductive finger 10, and when the voltage guiding block 8 is inserted into the conductive socket, The electrical connection between the two is realized. In addition, in order to prevent the radial deflection of the conductive voltage block 8 and the conductive socket, the radial limiting member 9 is further disposed in the conductive socket. In this embodiment, The radial limiting member is specifically a limiting ring. The conductive gasket 6 is sleeved on the insulating rod, one side of which is in direct contact with the adjacent resistor piece, the other side of the conductive voltage block 8, and the elastic member is specifically a butterfly reed 7 which is mounted on the voltage guiding block 8 At the position between the conductive pad 6, and during the assembly process, all the resistor sheets 5 on the insulating rod 4 can be squeezed by rotating the voltage guiding block 8, thereby ensuring reliability between adjacent resistor sheets. Contact, and thus ensure its conductivity. The other end of the insulating rod 4 is screwed onto the transformer connecting flange 3.
在高压阻尼电阻器的其它实施例中，绝缘杆还可以是位于电阻片的一边处，通过两端设置卡爪等夹紧部件来实现对电阻片的压紧；电阻片的数量为一个以上皆可，具体可根据需要设置。In other embodiments of the high-voltage damping resistor, the insulating rod may be located at one side of the resistor sheet, and the clamping member is clamped by clamping members such as claws at both ends; the number of the resistor sheets is more than one. Yes, it can be set as needed.
高压输电***的实施例，包括隔离开关和电容式电压互感器，隔离开关与电容式电压互感器之间设有高压阻尼电阻器，高压阻尼电阻器的结构如图1所示，其与上述高压阻尼电阻器的实施例的结构相同，此处不予赘述。 The embodiment of the high-voltage power transmission system includes an isolating switch and a capacitive voltage transformer, and a high-voltage damping resistor is disposed between the isolating switch and the capacitive voltage transformer. The structure of the high-voltage damping resistor is as shown in FIG. 1 , and the high voltage is The structure of the embodiment of the damping resistor is the same and will not be described herein.

Claims (10)

  1. 高压阻尼电阻器，其特征在于，包括复合外套筒以及设于外套筒中的电阻组件，复合外套筒的一端设有用于与架空线连接的接线端子法兰，另一端设有用于与电容式电压互感器连接的互感器连接法兰，电阻组件电连接在接线端子法兰与互感器连接法兰之间，其包括绝缘杆以设于绝缘杆上的至少一个电阻片，电阻片分别与接线端子法兰和互感器连接法兰电连接。The high-voltage damping resistor is characterized in that it comprises a composite outer sleeve and a resistor assembly disposed in the outer sleeve. One end of the composite outer sleeve is provided with a terminal flange for connecting with the overhead line, and the other end is provided for The transformer is connected to the transformer of the capacitive voltage transformer, and the resistor component is electrically connected between the terminal flange and the transformer connection flange, and comprises an insulating rod for at least one resistor piece disposed on the insulating rod, and the resistor piece is respectively It is electrically connected to the terminal flange and the transformer connection flange.
  2. 根据权利要求1所述的高压阻尼电阻器，其特征在于，所述绝缘杆的至少一端设有导电压块，导电压块固定在绝缘杆上并且挤压电阻片，接线端子法兰和互感器连接法兰中靠近导电压块的一个上设有与导电压块电连接的导电配合结构。The high voltage damping resistor according to claim 1, wherein at least one end of the insulating rod is provided with a voltage guiding block, the voltage guiding block is fixed on the insulating rod and the resistor piece is pressed, the terminal flange and the transformer are connected. A conductive mating structure electrically connected to the voltage guiding block is disposed on one of the connecting flanges adjacent to the conducting voltage block.
  3. 根据权利要求2所述的高压阻尼电阻器，其特征在于，所述导电配合结构包括导电插套，导电插套中设有与导电压块配合的导电触指。The high voltage damping resistor according to claim 2, wherein the conductive matching structure comprises a conductive socket, and the conductive socket is provided with a conductive finger that cooperates with the voltage guiding block.
  4. 根据权利要求3所述的高压阻尼电阻器，其特征在于，所述导电插套中设有用于防止导电压块径向偏摆的径向限位件。The high voltage damping resistor according to claim 3, wherein the conductive socket is provided with a radial limiting member for preventing radial deflection of the voltage guiding block.
  5. 根据权利要求2-4任一项所述的高压阻尼电阻器，其特征在于，导电压块螺纹装配在绝缘杆上并且与相邻的电阻片之间设有导电垫片，导电垫片与导电压块之间顶装有弹性部件。The high voltage damping resistor according to any one of claims 2 to 4, wherein the voltage guiding block is screwed on the insulating rod and is provided with a conductive gasket, a conductive gasket and a guide between the adjacent resistor sheets. Elastic components are placed between the voltage blocks.
  6. 根据权利要求1-4任一项所述的高压阻尼电阻器，其特征在于，所述接线端子法兰、互感器连接法兰以及复合外套筒一起围成一个封闭的气室，接线端子连接法兰和互感器连接法兰中的一个上设有气阀。The high-voltage damping resistor according to any one of claims 1 to 4, wherein the terminal flange, the transformer connecting flange and the composite outer sleeve together form a closed air chamber, and the terminal is connected. An air valve is provided on one of the flange and the transformer connection flange.
  7. 高压输电***，包括隔离开关和电容式电压互感器，其特征在于，隔离开关与电容式电压互感器之间设有高压阻尼电阻器，隔离开关通过架空线连接到电阻器上端的接线端子，电阻器下端和互感器通过法兰连接起来，高压阻尼电阻器包括复合外套筒以及设于外套筒中的电阻组件，外套筒的一端设有与架空线连接的接线端子法兰，另一端设有与电容式电压互感器连接的互感器连接法兰，电阻组件电连接在接线端子法兰与互感器连接法兰之间，其包括绝缘杆以设于绝缘杆上的至少一个电阻片，电阻片分别与接线端子法兰和互感器连接法兰电连接。The high-voltage power transmission system comprises an isolating switch and a capacitive voltage transformer, wherein a high-voltage damping resistor is arranged between the isolating switch and the capacitive voltage transformer, and the isolating switch is connected to the terminal of the upper end of the resistor through an overhead wire, and the resistor The lower end of the device and the transformer are connected by a flange. The high-voltage damping resistor comprises a composite outer sleeve and a resistor assembly disposed in the outer sleeve. One end of the outer sleeve is provided with a terminal flange connected to the overhead line, and the other end a transformer connection flange connected to the capacitive voltage transformer, the resistor component is electrically connected between the terminal flange and the transformer connection flange, and comprises an insulating rod to at least one resistor piece disposed on the insulating rod, The resistors are electrically connected to the terminal flange and the transformer connection flange, respectively.
  8. 根据权利要求7所述的高压输电***，其特征在于，所述绝缘杆的至少一端设有导电压块，导电压块固定在绝缘杆上并且挤压电阻片，接线法兰和互感器连接法兰中靠近导电压块的一个上设有与导电压块电连接的导电配合结构。The high voltage power transmission system according to claim 7, wherein at least one end of the insulating rod is provided with a voltage guiding block, the voltage guiding block is fixed on the insulating rod and the resistor piece is pressed, the wiring flange and the transformer connection method are provided. A conductive matching structure electrically connected to the voltage guiding block is disposed on one of the blue cells adjacent to the conducting voltage block.
  9. 根据权利要求8所述的高压输电***，其特征在于，导电压块螺纹装配在绝 缘杆上并且与相邻的电阻片之间设有导电垫片，导电垫片与导电压块之间顶装有弹性部件。The high voltage power transmission system according to claim 8, wherein the voltage guiding block is screwed in the absolute A conductive gasket is disposed on the edge rod and adjacent to the resistor sheet, and an elastic member is disposed between the conductive gasket and the voltage guiding block.
  10. 根据权利要求7-9任一项所述的高压输电***，其特征在于，所述接线端子法兰、互感器连接法兰以及复合外套筒一起围成一个封闭的气室，接线端子法兰和互感器连接法兰中的一个上设有气阀。 The high voltage power transmission system according to any one of claims 7-9, wherein the terminal flange, the transformer connecting flange and the composite outer sleeve together form a closed air chamber, and the terminal flange An air valve is provided on one of the transformer connection flanges.
PCT/CN2015/096394 2014-11-17 2015-12-04 High voltage damping resistor, and high voltage power transmission system using same WO2016078626A1 (en)

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