CN108828415B - GIS equipment, cable terminal connecting device for GIS and voltage withstand test method of cable terminal connecting device - Google Patents

GIS equipment, cable terminal connecting device for GIS and voltage withstand test method of cable terminal connecting device Download PDF

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Publication number
CN108828415B
CN108828415B CN201810532396.2A CN201810532396A CN108828415B CN 108828415 B CN108828415 B CN 108828415B CN 201810532396 A CN201810532396 A CN 201810532396A CN 108828415 B CN108828415 B CN 108828415B
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China
Prior art keywords
gis
cable terminal
barrel
cable
withstand voltage
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CN201810532396.2A
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CN108828415A (en
Inventor
闫亚刚
黄坤鹏
谢世超
李贵胜
李金狮
费书东
刘璐
张培杰
朱润东
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State Grid Corp of China SGCC
Pinggao Group Co Ltd
Henan Pinggao Electric Co Ltd
Original Assignee
State Grid Corp of China SGCC
Pinggao Group Co Ltd
Henan Pinggao Electric Co Ltd
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Priority to CN201810532396.2A priority Critical patent/CN108828415B/en
Publication of CN108828415A publication Critical patent/CN108828415A/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
    • G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
    • G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035—Gas-insulated switchgear

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Gas-Insulated Switchgears (AREA)
  • Cable Accessories (AREA)

Abstract

The invention provides GIS equipment, a cable terminal connecting device for a GIS and a withstand voltage test method of the cable terminal connecting device. When carrying out withstand voltage test to GIS switchgear, need not to dismantle GIS connecting conductor, only need to take GIS barrel and cable terminal barrel apart and with GIS connecting conductor and cable terminal disconnection, then be connected withstand voltage test equipment and the GIS withstand voltage test mouth of GIS barrel, make withstand voltage test end and the GIS connecting conductor of withstand voltage test equipment be connected and can carry out withstand voltage test to GIS switchgear to only need fill into SF in the GIS barrel when carrying out withstand voltage test to GIS switchgear6Gas, saving SF6The amount of gas solves the problem of SF caused by the voltage withstand test of GIS equipment in the prior art6The problem of gas waste.

Description

GIS equipment, cable terminal connecting device for GIS and voltage withstand test method of cable terminal connecting device
Technical Field
The invention relates to GIS equipment, a cable terminal connecting device for a GIS and a withstand voltage test method thereof.
Background
The GIS cable terminal connecting device is a necessary device for connecting a power cable and GIS equipment, and the GIS equipment and the power cable are required to be subjected to voltage withstand tests respectively because the parameters of the field voltage withstand tests are inconsistent. The existing connecting cylinder for the GIS is a whole, and a common pressure test mode is shown in figures 1 to 3. When the voltage withstand test is performed on the cable terminal, the GIS connecting conductor 3 needs to be detached, so that the voltage withstand sleeve 6 and the connecting conductor of the cable terminal 1 penetrate through an installation area where the GIS connecting conductor 3 is originally installed to be connected with the cable terminal so as to perform the voltage withstand test on the cable terminal 1; when the voltage withstand test is performed on the GIS connection conductor 3, the connection conductor of the cable terminal 1 needs to be detached to disconnect the cable terminal 1 and the GIS connection conductor 3, and then the voltage withstand bushing 6 is connected to the GIS connection conductor 3 to perform the voltage withstand test on the GIS switch device connected to the GIS connection conductor 3, wherein the voltage withstand bushing 6 constitutes the voltage withstand test device. When the voltage-withstanding test is carried out, repeated disassembly and assembly operation needs to be carried out on the GIS connecting conductor 3, the installation quality cannot be ensured, the labor intensity is high, the connecting cylinder is repeatedly disassembled and assembled on site, the installation quality cannot be ensured, the labor intensity of workers is increased, and SF (sulfur hexafluoride) is repeatedly charged and discharged into the connecting cylinder when the voltage-withstanding test is respectively carried out on the GIS connecting conductor 3 and the cable terminal 16Gas and pressure resistance test on SF6High gas purity requirement, recovered SF6The gas cannot be reused, which causes great waste, SF6The air pollution is serious due to the leakage of the gas during charging and discharging.
Disclosure of Invention
The invention aims to provide a withstand voltage test method for GIS equipment, which aims to solve the problem that withstand voltage is carried out on the GIS equipment in the prior artResults in SF when tested6The problem of gas waste; in addition, the invention also aims to provide a withstand voltage test method of the cable terminal for the GIS, a cable terminal connecting device for the GIS and the GIS equipment.
In order to achieve the purpose, the technical scheme of the GIS equipment voltage withstand test method is as follows:
the GIS equipment voltage withstand test method comprises the steps of firstly disassembling the GIS barrel and the cable terminal barrel, and carrying out voltage withstand test on the GIS switch equipment through connection of the GIS barrel and the voltage withstand test equipment.
The invention has the beneficial effects that: when carrying out withstand voltage test to GIS switchgear, need not to dismantle GIS connecting conductor, only need to unpack GIS barrel and cable termination barrel apart and with GIS connecting conductor and cable termination disconnection, be connected withstand voltage test equipment and the GIS withstand voltage test mouth of GIS barrel after that, make withstand voltage test end and the GIS connecting conductor of withstand voltage test equipment be connected and can carry out withstand voltage test to GIS switchgear, and only need to fill into SF6 gas in the GIS barrel when carrying out withstand voltage test to GIS switchgear, practice thrift the gaseous quantity of SF6, the problem of causing SF when carrying out withstand voltage test to GIS equipment among the prior art is solved, and the terminal device is connected to the GIS withstand voltage test mouth of withstand voltage test equipment and GIS barrel, and the gaseous quantity6The problem of gas waste.
Furthermore, in order to facilitate the butt joint of the pressure-resistant test equipment and the GIS cylinder, the opening of the butt joint of the GIS cylinder and the cable terminal cylinder is sealed, the GIS cylinder is connected with the pressure-resistant test equipment through the arranged pressure-resistant test port, and the pressure-resistant test port matched with the pressure-resistant test equipment is independently arranged on the GIS cylinder, so that the butt joint of the pressure-resistant test equipment and the GIS cylinder is facilitated.
The technical scheme of the withstand voltage test method for the cable terminal for the GIS is as follows:
a withstand voltage test method of a cable terminal for a GIS is characterized in that a GIS cylinder and a cable terminal cylinder are disassembled, and the cable terminal is connected with withstand voltage test equipment through the cable terminal cylinder to perform withstand voltage test on the cable terminal.
The invention has the beneficial effects that: when the voltage withstand test is carried out on the cable terminal, the GIS connecting conductor does not need to be disassembled, the GIS cylinder and the cable terminal cylinder only need to be disassembled, the GIS connecting conductor and the cable terminal are disconnected, and then the voltage withstand test equipment and the cable are disconnectedThe cable terminal pressure-resistant test port of the terminal cylinder is connected, so that the pressure-resistant test end of the pressure-resistant test equipment is connected with the cable terminal, the pressure-resistant test can be carried out on the cable terminal, and SF is only required to be filled into the cable connection cylinder when the pressure-resistant test is carried out on the cable terminal6Gas, saving SF6The amount of gas solves the problem of SF caused by the voltage withstand test of GIS equipment in the prior art6The problem of gas waste.
The technical scheme of the cable terminal connecting device for the GIS is as follows:
cable terminal connecting device for GIS includes cable termination, is used for respectively with GIS switchgear connection and cable termination connected GIS connecting conductor, cover establish the connecting cylinder in the GIS connecting conductor and the cable termination outside, the connecting cylinder includes GIS barrel and the cable termination barrel that the components of a whole that can function independently set up, GIS connecting conductor sets up in the GIS barrel, be equipped with on the GIS barrel and be used for the withstand voltage test mouth with the withstand voltage test equipment butt joint when carrying out withstand voltage test to GIS connecting conductor, cable termination sets up in the cable termination barrel, be equipped with on the cable termination barrel and be used for the cable termination withstand voltage test mouth with withstand voltage test equipment butt joint when carrying out withstand voltage test to cable termination, the cable termination barrel passes through cable termination withstand voltage test mouth and GIS barrel releasable connection.
The invention has the beneficial effects that: when carrying out withstand voltage test to GIS switchgear, need not to dismantle GIS connecting conductor, only need to unpack GIS barrel and cable termination barrel apart and with GIS connecting conductor and cable termination disconnection, be connected withstand voltage test equipment and the GIS withstand voltage test mouth of GIS barrel after that, make withstand voltage test end and the GIS connecting conductor of withstand voltage test equipment be connected and can carry out withstand voltage test to GIS switchgear, and only need to fill into SF6 gas in the GIS barrel when carrying out withstand voltage test to GIS switchgear, practice thrift the gaseous quantity of SF6, the problem of causing SF when carrying out withstand voltage test to GIS equipment among the prior art is solved, and the terminal device is connected to the GIS withstand voltage test mouth of withstand voltage test equipment and GIS barrel, and the gaseous quantity6The problem of gas waste; when the voltage withstand test is carried out on the cable terminal, the GIS connecting conductor does not need to be disassembled, the GIS cylinder and the cable terminal cylinder only need to be disassembled, the GIS connecting conductor and the cable terminal are disconnected, and then the voltage withstand test equipment is usedThe pressure-resistant test device is connected with a cable terminal pressure-resistant test port of the cable terminal barrel, so that a pressure-resistant test end of the pressure-resistant test device is connected with the cable terminal, the pressure-resistant test can be carried out on the cable terminal, and SF is only required to be filled into the cable connection barrel when the pressure-resistant test is carried out on the cable terminal6Gas, saving SF6The amount of gas solves the problem of SF caused by the voltage withstand test of GIS equipment in the prior art6The problem of gas waste.
Further, in order to conveniently carry out withstand voltage test to cable terminal, cable terminal includes the body and sets up the cable that is used for on the body with cable conductive connection and touches the seat, GIS connecting conductor touches the seat with the cable and pegs graft each other, and GIS connecting conductor touches the grafting position of seat with the cable and is in the butt joint department of GIS barrel and cable terminal barrel, and the withstand voltage test end of withstand voltage test equipment and the butt joint of cable terminal when carrying out withstand voltage test to cable terminal are convenient.
Furthermore, in order to facilitate the butt joint of the pressure-resistant test equipment and the GIS cylinder, the GIS cylinder extends along the vertical direction, a GIS pressure-resistant test port of the GIS cylinder is upward, a cable terminal cylinder butt joint port of the GIS cylinder, which is in butt joint with the cable terminal pressure-resistant test port, is downward, and the GIS cylinder is separately provided with a pressure-resistant test port matched with the pressure-resistant test equipment, so that the butt joint of the pressure-resistant test equipment and the GIS cylinder is facilitated.
The GIS equipment of the invention has the technical scheme that:
the GIS equipment comprises GIS switch equipment and a cable terminal connecting device for GIS connected with the GIS switch equipment, the cable terminal connecting device for the GIS comprises a cable terminal, a GIS connecting conductor and a connecting cylinder, wherein the GIS connecting conductor is used for being connected with GIS switch equipment and the cable terminal respectively, the connecting cylinder is sleeved on the outer sides of the GIS connecting conductor and the cable terminal, the connecting cylinder comprises a GIS cylinder body and a cable terminal cylinder body which are arranged separately, the GIS connecting conductor is arranged in the GIS cylinder body, the GIS cylinder is provided with a GIS voltage-withstanding test port which is used for butting with voltage-withstanding test equipment when performing voltage-withstanding test on the GIS connecting conductor, the cable terminal is arranged in a cable terminal barrel, the cable terminal barrel is provided with a cable terminal pressure-resistant test port which is used for butt joint with pressure-resistant test equipment when the pressure-resistant test is carried out on the cable terminal, and the cable terminal cylinder is detachably connected with the GIS cylinder through a cable terminal pressure-resistant test port.
The invention has the beneficial effects that: when carrying out withstand voltage test to GIS switchgear, need not to dismantle GIS connecting conductor, only need to take GIS barrel and cable terminal barrel apart and with GIS connecting conductor and cable terminal disconnection, then be connected withstand voltage test equipment and the GIS withstand voltage test mouth of GIS barrel, make withstand voltage test end and the GIS connecting conductor of withstand voltage test equipment be connected and can carry out withstand voltage test to GIS switchgear to only need fill into SF in the GIS barrel when carrying out withstand voltage test to GIS switchgear6Gas, saving SF6The amount of gas solves the problem of SF caused by the voltage withstand test of GIS equipment in the prior art6The problem of gas waste; when the voltage-withstand test is carried out on the cable terminal, the GIS connecting conductor does not need to be detached, the GIS barrel and the cable terminal barrel only need to be detached, the GIS connecting conductor and the cable terminal are disconnected, then, the voltage-withstand test equipment is connected with the voltage-withstand test port of the cable terminal barrel, the voltage-withstand test end of the voltage-withstand test equipment is connected with the cable terminal, the voltage-withstand test can be carried out on the cable terminal, and in addition, only SF (sulfur hexafluoride) is filled into the cable connecting barrel when the voltage-withstand test is carried out on the6Gas, saving SF6The amount of gas solves the problem of SF caused by the voltage withstand test of GIS equipment in the prior art6The problem of gas waste.
Further, in order to conveniently carry out withstand voltage test to cable terminal, cable terminal includes the body and sets up the cable that is used for on the body with cable conductive connection and touches the seat, GIS connecting conductor touches the seat with the cable and pegs graft each other, and GIS connecting conductor touches the grafting position of seat with the cable and is in the butt joint department of GIS barrel and cable terminal barrel, and the withstand voltage test end of withstand voltage test equipment and the butt joint of cable terminal when carrying out withstand voltage test to cable terminal are convenient.
Furthermore, in order to facilitate the butt joint of the pressure-resistant test equipment and the GIS cylinder, the GIS cylinder extends along the vertical direction, a GIS pressure-resistant test port of the GIS cylinder is upward, a cable terminal cylinder butt joint port of the GIS cylinder, which is in butt joint with the cable terminal pressure-resistant test port, is downward, and the GIS cylinder is separately provided with a pressure-resistant test port matched with the pressure-resistant test equipment, so that the butt joint of the pressure-resistant test equipment and the GIS cylinder is facilitated.
Drawings
FIG. 1 is a diagram of GIS equipment operation in the prior art;
FIG. 2 is a diagram of a pressure-resistant attitude of a cable termination in the prior art;
FIG. 3 is a diagram of the pressure-resistant attitude of GIS equipment in the prior art;
fig. 4 is an operation diagram of the GIS device according to embodiment 1 of the cable terminal connection device for GIS of the present invention;
fig. 5 is a voltage-withstanding attitude diagram of the cable terminal according to embodiment 1 of the cable terminal connection device for GIS of the present invention;
fig. 6 is a diagram showing a voltage-withstanding posture of the GIS device according to embodiment 1 of the cable terminal connection device for GIS of the present invention;
fig. 7 is an isometric view of a GIS cylinder of embodiment 1 of the cable terminal connection device for GIS of the present invention;
fig. 8 is a sectional view of a GIS cylinder of a concrete embodiment 1 of the cable terminal connection device for GIS of the present invention;
FIG. 9 is a cross-sectional view taken along line A-A of FIG. 8;
fig. 10 is a sectional view of a cable terminal cylinder of embodiment 1 of the GIS connection device of the present invention;
in the figure: 1. a cable termination; 2. a GIS cylinder; 3. a GIS connection conductor; 4. a cable termination barrel; 5. a basin-type insulator; 6. a pressure-resistant sleeve.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
In embodiment 1 of the cable terminal connection device for a GIS of the present invention, as shown in fig. 4 to 10, the cable terminal connection device for a GIS includes a cable terminal 1 and a GIS connection conductor 3 conductively connected to the cable terminal 1, outer sides of the cable terminal 1 and the GIS connection conductor 3 are both wrapped by a connection cylinder, in order to avoid a trouble of repeated disassembly and assembly when a voltage withstand test is performed on the cable terminal connection device for a GIS, the GIS cylinder 2 is a split structure including a GIS cylinder 2 for assembling the GIS connection conductor 3 and a cable terminal cylinder 4 for assembling the cable terminal 1, in this embodiment, the GIS cylinder 2 and the cable terminal cylinder 4 are arranged up and down, and the GIS cylinder 2 and the cable terminal cylinder 4 both extend in an up-down direction, the GIS cylinder 2 is a quasi-cross structure, the GIS cylinder 2 has a left connection flange with an opening facing to the left side for connection with a GIS switchgear, and an upper connection flange with an opening facing up, The opening is used for the lower flange of being connected with cable termination barrel 4 and the opening sets up the right flange that is used for connecting the instrument towards the right side down, simultaneously, still is connected with on the left flange towards the 2 inboard sunken basin formula insulators 5 of being connected with GIS connecting conductor 3 of GIS barrel to realize GIS connecting conductor 3 and GIS switchgear's electrically conductive connection. In this embodiment, cable termination barrel 4 is the sleeve structure who extends along vertical direction, and cable termination barrel 4 has opening up to set up the last flange that is used for being connected with GIS barrel 2 and opening and sets up down the lower flange that power cable terminal 1 and cable penetrated in cable termination barrel 4 down. The upper connecting flange of the GIS cylinder 2 forms a GIS withstand voltage test port for butting with a withstand voltage test device when the GIS connecting conductor 3 is subjected to a withstand voltage test, the upper connecting flange of the cable terminal cylinder 4 forms a cable terminal withstand voltage test port for butting with the withstand voltage test device when the cable terminal 1 is subjected to the withstand voltage test, and the lower connecting flange of the GIS cylinder 2 forms a cable terminal cylinder butting port for butting with the cable terminal withstand voltage test port on the GIS cylinder 2. Of course, in other embodiments, the GIS cylinder 2 and the cable termination cylinder 4 may be horizontally disposed, or may be inclined from the horizontal due to installation requirements.
In order to facilitate the independent voltage withstand test of the GIS switch device, the connection between the GIS connection conductor 3 and the cable terminal 1 needs to be cut off before the voltage withstand test is carried out, in the embodiment, the cable terminal 1 comprises a body and a cable contact seat for conducting connection with a cable penetrating through the body, the body is arranged in a cable terminal cylinder 4, the cable contact seat is detachably fixed at the upper end of the body through a fixing screw, in order to facilitate the connection between the GIS connection conductor 3 and the cable terminal 1, in the embodiment, a plug-in mode is adopted, when the GIS cable terminal connection device is assembled, the GIS connection conductor 3 and a basin-type insulator 5 are firstly installed in the GIS cylinder 2, then the cable terminal 1 is installed in the cable terminal cylinder 4, after the GIS cylinder 2 and the cable terminal cylinder 4 are respectively assembled, the GIS cylinder 2 and the cable terminal cylinder 4 are moved oppositely to carry out butt joint, before the lower connecting flange of the GIS cylinder body 2 is butted with the upper connecting flange of the cable terminal cylinder body 4, the GIS connecting conductor 3 is firstly in plug-in fit with the cable contact seat of the cable terminal 1, then the lower connecting flange of the GIS cylinder body 2 is connected with the upper connecting flange of the cable terminal 1 through the connecting bolt, the assembly of the cable terminal connecting device for the GIS is completed, the problem that the basin-type insulator 5 is damaged easily due to the fact that the basin-type insulator 5 bears the final mounting stress because the basin-type insulator 5 is mounted at last when the integrally-arranged connecting cylinder is adopted is solved, and the labor amount of field workers is reduced. In this embodiment, in order to facilitate the connection between the GIS cylinder 2 and the cable terminal cylinder 4, the connection position between the GIS connection conductor 3 and the cable terminal 1 is located at the butt joint between the lower connection flange of the GIS cylinder 2 and the upper connection flange of the cable terminal cylinder 4, so as to facilitate the insertion of the cable contact seats between the GIS connection conductor 3 and the cable terminal 1. Certainly, in other embodiments, the GIS connection conductor 3 and the cable contact seat of the cable terminal 1 may also be integrally arranged, the GIS connection conductor 3 is directly and fixedly connected with the cable sleeve of the cable terminal 1, when the GIS cylinder 2 and the cable terminal cylinder 4 are butted, after the GIS connection conductor 3 passes through the GIS cylinder 2, the GIS cylinder 2 and the cable terminal cylinder 4 are connected together by the connection bolt, and then the basin-type insulator 5 connects the GIS connection conductor 3 together, so as to complete the butting of the GIS cylinder 2 and the cable terminal cylinder 4; the abutting part of the cable contact socket of the GIS connection conductor 3 and the cable terminal 1 can also be located in the GIS cylinder 2 or in the cable terminal cylinder 4.
The specific embodiment of the GIS equipment voltage withstand test method of the invention is as follows: firstly, the GIS cylinder 2 and the cable terminal cylinder 4 are detached to disconnect the GIS connecting conductor 3 from the cable terminal 1, then the lower connecting flange of the GIS cylinder 2 is sealed by a lower connecting flange of the GIS cylinder 2 through a sealing plate and the like, and then the pressure-resistant sleeve 6 is arranged on the upper connecting flange of the GIS cylinder 2 to ensure that the cable terminal is resistant to the pressureThe voltage-proof test end of the pressure sleeve 6 is electrically connected with the GIS connecting conductor 3, and SF is filled into the GIS barrel 2 after the assembly is finished6And gas, namely, a withstand voltage test can be carried out on the GIS switch equipment. The pressure-resistant sleeve 6 forms pressure-resistant test equipment, and the upper connecting flange of the GIS barrel 2 forms a GIS pressure-resistant test port for butt joint with the pressure-resistant test equipment. Of course, in other embodiments, the GIS cylinder 2 may not be provided with an upper connecting flange, and is connected to the pressure-resistant bushing 6 through a lower connecting flange, at this time, the lower connecting flange of the GIS cylinder 2 forms a GIS pressure-resistant test port, so as to simplify the operation steps of the pressure-resistant test and simplify the structure of the GIS cylinder 2.
The specific embodiment of the withstand voltage test method for the cable terminal for the GIS is as follows: firstly, the GIS cylinder 2 and the cable terminal cylinder 4 are detached to separate the GIS connecting conductor 3 from the cable contact seat of the cable terminal 1, then the voltage-resistant sleeve 6 is arranged on the upper connecting flange of the cable terminal cylinder 4 to lead the voltage-resistant test end of the voltage-resistant sleeve 6 to be electrically connected with the cable terminal 1, and after the assembly is finished, SF is filled in the cable terminal cylinder 46Gas, namely, the cable terminal 1 can be subjected to a pressure-resistant test, so that SF is saved6The amount of gas used. Meanwhile, the connecting position of the GIS connecting conductor 3 and the cable contact seat of the cable terminal 1 is arranged at the butt joint of the GIS barrel 2 and the cable terminal barrel 4, so that the connection of the voltage-resistant test end of the voltage-resistant sleeve 6 and the cable terminal 1 is facilitated. Of course, in other embodiments, the cable terminal 1 is disposed at the butt joint of the GIS cylinder 2 and the cable terminal cylinder 4, and a section of conductor is connected to the cable terminal 1, and is electrically connected to the GIS connecting conductor 3 through the conductor.
In practical application, a cable connected to the cable terminal 1 generally has a large turning radius and a large weight, and therefore, when the cable terminal 1 and the cable terminal cylinder 4 are assembled, stress applied by bending deformation of the cable is applied, and therefore, a certain installation space is needed when the cable terminal 1 penetrates out of a cable trench.
In the specific embodiment of the GIS device of the present invention, the GIS device includes a GIS switch device and a cable terminal connection device for GIS connected to the GIS switch device, and the cable terminal connection device for GIS is the same as the cable terminal connection device for GIS described in specific embodiment 1 of the cable terminal connection device for GIS of the present invention, and will not be described again.

Claims (6)

  1. Cable terminal connecting device for GIS, including cable termination, be used for respectively with GIS switchgear be connected with cable termination GIS connecting conductor, the cover establish the connecting cylinder in the GIS connecting conductor and the cable termination outside, its characterized in that: the connecting cylinder includes GIS barrel and cable terminal barrel that the components of a whole that can function independently set up, GIS connecting conductor sets up in the GIS barrel, be equipped with the GIS withstand voltage test mouth that is used for when carrying out withstand voltage test to GIS connecting conductor with withstand voltage test equipment butt joint on the GIS barrel, cable terminal sets up in the cable terminal barrel, be equipped with on the cable terminal barrel and be used for the cable terminal withstand voltage test mouth with withstand voltage test equipment butt joint when carrying out withstand voltage test to cable terminal, the cable terminal barrel passes through cable terminal withstand voltage test mouth and GIS barrel releasable connection.
  2. 2. The cable termination connection device for GIS according to claim 1, wherein: the cable terminal comprises a body and a cable contact seat arranged on the body and used for being in conductive connection with a cable, the GIS connecting conductor is mutually inserted into the cable contact seat, and the insertion position of the GIS connecting conductor and the cable contact seat is located at the butt joint position of the GIS cylinder and the cable terminal cylinder.
  3. 3. The cable termination connection device for GIS according to claim 1 or 2, wherein: the GIS barrel extends along the up-down direction, the opening of a GIS voltage withstand test port of the GIS barrel is upward, and the opening of a cable terminal barrel butt joint port, which is butted with the cable terminal voltage withstand test port, on the GIS barrel is downward.
  4. GIS equipment, including GIS switchgear and the GIS cable terminal connecting device who is connected with GIS switchgear, GIS cable terminal connecting device, the connecting cylinder in the GIS connecting conductor and the cable terminal outside is established including cable terminal, the GIS connecting conductor that is used for being connected with GIS switchgear and cable terminal respectively, cover to GIS connecting conductor and cable terminal, its characterized in that: the connecting cylinder includes GIS barrel and cable terminal barrel that the components of a whole that can function independently set up, GIS connecting conductor sets up in the GIS barrel, be equipped with the GIS withstand voltage test mouth that is used for when carrying out withstand voltage test to GIS connecting conductor with withstand voltage test equipment butt joint on the GIS barrel, cable terminal sets up in the cable terminal barrel, be equipped with on the cable terminal barrel and be used for the cable terminal withstand voltage test mouth with withstand voltage test equipment butt joint when carrying out withstand voltage test to cable terminal, the cable terminal barrel passes through cable terminal withstand voltage test mouth and GIS barrel releasable connection.
  5. 5. The GIS device of claim 4, wherein: the cable terminal comprises a body and a cable contact seat arranged on the body and used for being in conductive connection with a cable, the GIS connecting conductor is mutually inserted into the cable contact seat, and the insertion position of the GIS connecting conductor and the cable contact seat is located at the butt joint position of the GIS cylinder and the cable terminal cylinder.
  6. 6. The GIS device of claim 4 or 5, wherein: the GIS barrel extends along the up-down direction, the opening of a GIS voltage withstand test port of the GIS barrel is upward, and the opening of a cable terminal barrel butt joint port, which is butted with the cable terminal voltage withstand test port, on the GIS barrel is downward.
CN201810532396.2A 2018-05-29 2018-05-29 GIS equipment, cable terminal connecting device for GIS and voltage withstand test method of cable terminal connecting device Active CN108828415B (en)

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CN110112656B (en) * 2019-04-25 2021-10-29 平高集团有限公司 GIS equipment
CN112383019B (en) * 2020-12-04 2022-06-17 平高集团有限公司 GIS and cable terminal connecting device for GIS
CN112564024B (en) * 2020-12-04 2022-08-09 平高集团有限公司 Cable terminal connecting device for GIS and GIS
CN113433440A (en) * 2021-07-21 2021-09-24 国网河北省电力有限公司检修分公司 A keep apart auxiliary device for high tension cable withstand voltage test
CN113504444B (en) * 2021-09-13 2021-12-31 国网江西省电力有限公司电力科学研究院 GIS is with multi-functional withstand voltage test frock

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CN106711835A (en) * 2015-07-31 2017-05-24 西门子公司 Conductor direct connecting mechanism, direct connecting module, and gas insulated metal enclosed switch device thereof
CN206481030U (en) * 2017-01-09 2017-09-08 河南平高电气股份有限公司 A kind of GIS cable termination devices and the GIS device using the device
CN107293987A (en) * 2017-05-23 2017-10-24 河南平高电气股份有限公司 A kind of GIS device and transformer direct connection device and the transformer station using the device

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Publication number Priority date Publication date Assignee Title
JPH0210172A (en) * 1988-06-28 1990-01-12 Showa Electric Wire & Cable Co Ltd Withstand voltage testing device for gas insulation switch
CN101446617A (en) * 2008-05-27 2009-06-03 中国电力科学研究院 Test apparatus of DC gas insulated metal enclosed transmission line (GIL)
CN202167762U (en) * 2011-05-23 2012-03-14 平高集团有限公司 Bus assembly for super-high voltage engineering GIS
CN202917928U (en) * 2012-09-29 2013-05-01 山东泰开高压开关有限公司 252 kV combined electrical equipment cable terminal connection structure
CN203233096U (en) * 2013-05-21 2013-10-09 山东泰开高压开关有限公司 Connecting structure for GIS and power transformer
CN203760899U (en) * 2014-02-21 2014-08-06 山东泰开高压开关有限公司 Voltage-withstanding experiment detachment-free type bus connection structure
CN204732774U (en) * 2015-06-26 2015-10-28 中国西电电气股份有限公司 A kind of band isolation fracture GIS oil-gas casing structure
CN106711835A (en) * 2015-07-31 2017-05-24 西门子公司 Conductor direct connecting mechanism, direct connecting module, and gas insulated metal enclosed switch device thereof
CN105092050A (en) * 2015-08-13 2015-11-25 国家电网公司 Method and device for detecting overheat fault of GIS (Gas Insulated Switchgear) internal conductors
CN206481030U (en) * 2017-01-09 2017-09-08 河南平高电气股份有限公司 A kind of GIS cable termination devices and the GIS device using the device
CN107293987A (en) * 2017-05-23 2017-10-24 河南平高电气股份有限公司 A kind of GIS device and transformer direct connection device and the transformer station using the device

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