CN103308799A - Device and method for measuring parameters of cable line connected with GIS (gas insulated metal-enclosed switchgear) - Google Patents
Device and method for measuring parameters of cable line connected with GIS (gas insulated metal-enclosed switchgear) Download PDFInfo
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- CN103308799A CN103308799A CN2013102112007A CN201310211200A CN103308799A CN 103308799 A CN103308799 A CN 103308799A CN 2013102112007 A CN2013102112007 A CN 2013102112007A CN 201310211200 A CN201310211200 A CN 201310211200A CN 103308799 A CN103308799 A CN 103308799A
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Abstract
The invention relates to a device and a method for measuring parameters of a cable line connected with a GIS (gas insulated metal-enclosed switchgear). The device comprises the GIS internally provided with a bus, a line side isolation switch, a line grounding switch, the cable line, an insulator, a grounding switch guide rod and a fastening bolt. According to the invention, the existing GIS lines are utilized, a grounding copper bar is dismounted firstly, a three-phase testing line is mounted by the fastening bolt, a grounding switch is switched on to enable the testing equipment and the cable line to form a loop, and the equipment is started to finish the measuring on the parameters of the cable line; and after the measurement is finished, the three-phase testing line is dismounted and the grounding copper bar is remounted. The device and the method for measuring the parameters of the cable line connected with the GIS solves the problem that the conductive part of the cable line connected with the GIS can not be contacted from outside, and are convenient and simple in operation in the whole process, safe, reliable and suitable for use in a field test.
Description
Technical field
The invention belongs to the cable-line parameter field of measuring technique that GIS connects, the Apparatus and method for that especially a kind of cable-line parameter that is connected with GIS is measured.
Background technology
GIS is the abbreviation of Gas Insulated metal-enclosed Switchgear; the meaning is gas-insulated metal enclosed switchgear; it is various controls and protection electrical equipment; all be encapsulated in the metal shell of ground connection as isolating switch, disconnector, grounding switch, mutual inductor, lightning arrester and connection bus etc.; the gas of filling certain pressure is as insulation alternate and over the ground in the housing, and it has, and floor area is little, security performance is high, little, multinomial characteristics such as installation and maintenance are convenient affected by environment.
The GIS of said structure is used widely in ultra-high-tension power transmission line; before these ultra-high-tension power transmission lines put into operation; should test various power frequency parameter values; as positive order parameter, Zero sequence parameter etc.; the result who measures distributes as computing system short-circuit current, relay protection setting, reckoning trend and selects the important evidence of work such as the reasonable method of operation; when being connected with cable line, all adopts this GIS the form of cable terminal; connect safety and firmness; but can't be that the parameter measurement test can't normally be carried out at the current-carrying part of the outside contact of GIS cable line.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, the equipment that the cable-line parameter that provide easy and simple to handle, utilizes a kind of and GIS of equipment wiring to be connected is measured.
The technical scheme that the present invention takes is:
The equipment that a kind of cable-line parameter that is connected with GIS is measured, it is characterized in that: comprise GIS, be provided with bus in this GIS, the line side disconnector, the line-to-ground switch, cable line, insulating part, grounding switch guide rod and fastening bolt, the line side disconnector is installed on bus and the branch road that cable line is connected, one end of line-to-ground switch is connected in parallel between line side disconnector and the cable line, grounding switch guide rod in the line-to-ground switch connects the fastening bolt that installs in the insulating part of adorning on the GIS housing, and this fastening bolt connects testing apparatus by the three-phase measurement circuit.
Another object of the present invention provides the method that a kind of cable-line parameter that is connected with GIS is measured, comprise GIS, be provided with bus in this GIS, the line side disconnector, the line-to-ground switch, cable line, insulating part, grounding switch guide rod and fastening bolt, the line side disconnector is installed on bus and the branch road that cable line is connected, one end of line-to-ground switch is connected in parallel between line side disconnector and the cable line, grounding switch guide rod in the line-to-ground switch connects the fastening bolt that installs in the insulating part of adorning on the GIS housing, this fastening bolt is positioned at suit ground connection copper bar on the outer rim of GIS outside, it is characterized in that: may further comprise the steps:
⑴ break line trackside disconnector is isolated cable line and bus;
⑵ open-circuit line grounding switch, line influence voltage jeopardizes personal safety when preventing next step dismounting ground connection copper bar;
⑶ back out fastening bolt, and the ground connection copper bar is pulled down, and reconnects fastening bolt, and the three-phase measurement circuit is connected respectively on the corresponding fastening bolt;
⑷ the line-to-ground switch that closes makes the three-phase measurement circuit be communicated with cable line, starts testing apparatus and carries out the measurement of cable-line parameter;
⑸ after step ⑷ finished, the open-circuit line grounding switch was pulled down the three-phase measurement circuit;
⑹ back out fastening bolt, and the ground connection copper bar is put well, tightens the measurement that fastening bolt has namely been finished cable-line parameter again.
Advantage of the present invention and good effect are:
Among the present invention, utilize the existing circuit of GIS, at first the ground connection copper bar is pulled down, by fastening bolt the three-phase measurement circuit is installed then, the line-to-ground switch closes, make testing apparatus and cable line form path, starting outfit carries out the measurement of cable-line parameter, after measurement is finished, pull down three measurement circuits, reinstall the ground connection copper bar, solved the cable line that is connected with GIS can't contact current-carrying part from the outside problem, whole process operation is easy, and is safe and reliable, is applicable in the site test and uses.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of GIS grounded part in the prior art.
Embodiment
Below in conjunction with embodiment, the present invention is further described, and following embodiment is illustrative, is not determinate, can not limit protection scope of the present invention with following embodiment.
The method that a kind of cable-line parameter that is connected with GIS is measured, as Fig. 1, shown in 2, comprise GIS, be provided with bus 1 in this GIS, line side disconnector 6, line-to-ground switch 7, cable line 10, insulating part 9, grounding switch guide rod 8 and fastening bolt 11, bus bar side disconnector 2 in parallel on the bus connects isolating switch 4 and line side disconnector 6 successively, this line side disconnector connects cable line to be tested, isolating switch bus side joint ground switch 3 ground connection of parallel connection between bus bar side disconnector and the isolating switch, isolating switch line side grounding switch 5 ground connection of parallel connection between isolating switch and the line side disconnector, the line-to-ground switch ground connection of the parallel connection between line side disconnector and the cable line, grounding switch guide rod in this line-to-ground switch connects the fastening bolt that installs in the insulating part of adorning on GIS housing 12, this fastening bolt is positioned at suit ground connection copper bar 15 on the outer rim of GIS outside, and innovation of the present invention is: may further comprise the steps:
⑴ break line trackside disconnector is isolated cable line and bus;
⑵ open-circuit line grounding switch, line influence voltage jeopardizes personal safety when preventing next step dismounting ground connection copper bar;
⑶ back out fastening bolt, and the ground connection copper bar is pulled down, and reconnects fastening bolt, and three-phase measurement circuit 13 is connected respectively on the corresponding fastening bolt;
⑷ the line-to-ground switch that closes is communicated with testing apparatus by the three-phase measurement circuit with cable line, start testing apparatus 14 and carry out the measurement of cable-line parameter;
⑸ after step ⑷ finished, the open-circuit line grounding switch was pulled down the three-phase measurement circuit;
⑹ back out fastening bolt, and the ground connection copper bar is put well, tightens the measurement that fastening bolt has namely been finished cable-line parameter again.
Among the present invention, utilize the existing circuit of GIS, at first the ground connection copper bar is pulled down, by fastening bolt the three-phase measurement circuit is installed then, the line-to-ground switch closes, make testing apparatus and cable line form path, starting outfit carries out the measurement of cable-line parameter, after measurement is finished, pull down three measurement circuits, reinstall the ground connection copper bar, solved the cable line that is connected with GIS can't contact current-carrying part from the outside problem, whole process operation is easy, and is safe and reliable, is applicable in the site test and uses.
Claims (2)
1. method that the cable-line parameter that is connected with GIS is measured, it is characterized in that: comprise GIS, be provided with bus in this GIS, the line side disconnector, the line-to-ground switch, cable line, insulating part, grounding switch guide rod and fastening bolt, the line side disconnector is installed on bus and the branch road that cable line is connected, one end of line-to-ground switch is connected in parallel between line side disconnector and the cable line, grounding switch guide rod in the line-to-ground switch connects the fastening bolt that installs in the insulating part of adorning on the GIS housing, and this fastening bolt connects testing apparatus by the three-phase measurement circuit.
2. method that the cable-line parameter that is connected with GIS is measured, comprise GIS, be provided with bus in this GIS, the line side disconnector, the line-to-ground switch, cable line, insulating part, grounding switch guide rod and fastening bolt, the line side disconnector is installed on bus and the branch road that cable line is connected, one end of line-to-ground switch is connected in parallel between line side disconnector and the cable line, grounding switch guide rod in the line-to-ground switch connects the fastening bolt that installs in the insulating part of adorning on the GIS housing, this fastening bolt is positioned at suit ground connection copper bar on the outer rim of GIS outside, it is characterized in that: may further comprise the steps:
⑴ break line trackside disconnector is isolated cable line and bus;
⑵ open-circuit line grounding switch, line influence voltage jeopardizes personal safety when preventing next step dismounting ground connection copper bar;
⑶ back out fastening bolt, and the ground connection copper bar is pulled down, and reconnects fastening bolt, and the three-phase measurement circuit is connected respectively on the corresponding fastening bolt;
⑷ the line-to-ground switch that closes makes the three-phase measurement circuit be communicated with cable line, starts testing apparatus and carries out the measurement of cable-line parameter;
⑸ after step ⑷ finished, the open-circuit line grounding switch was pulled down the three-phase measurement circuit;
⑹ back out fastening bolt, and the ground connection copper bar is put well, tightens the measurement that fastening bolt has namely been finished cable-line parameter again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310211200.7A CN103308799B (en) | 2013-05-31 | 2013-05-31 | The Apparatus and method for that a kind of cable-line parameter be connected with GIS is measured |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310211200.7A CN103308799B (en) | 2013-05-31 | 2013-05-31 | The Apparatus and method for that a kind of cable-line parameter be connected with GIS is measured |
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| Publication Number | Publication Date |
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| CN103308799A true CN103308799A (en) | 2013-09-18 |
| CN103308799B CN103308799B (en) | 2015-12-23 |
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| CN201310211200.7A Active CN103308799B (en) | 2013-05-31 | 2013-05-31 | The Apparatus and method for that a kind of cable-line parameter be connected with GIS is measured |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111149004A (en) * | 2017-08-30 | 2020-05-12 | 西门子交通有限公司 | Method and device for checking contact of current collector |
| CN113991608A (en) * | 2021-10-22 | 2022-01-28 | 浙江浙能兰溪发电有限责任公司 | Circuit breaker for improving insulation measurement safety of generator stator winding |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101368995A (en) * | 2008-08-29 | 2009-02-18 | 齐齐哈尔电业局 | Non-head dismantling test method for GIS combined electrical apparatus and plug-pull type transformer |
| CN201886101U (en) * | 2010-12-22 | 2011-06-29 | 江苏省电力公司无锡供电公司 | Tester for cable geographic information system (GIS) terminal |
| CN102445643A (en) * | 2011-09-30 | 2012-05-09 | 云南电力试验研究院(集团)有限公司 | GIS (Gas Insulated Switchgear) test platform capable of adjusting electrode structure |
| CN102879708A (en) * | 2012-09-21 | 2013-01-16 | 西安供电局 | Quick polarity testing method of 110kV gas insulated switchgear (GIS) of transformer substation |
-
2013
- 2013-05-31 CN CN201310211200.7A patent/CN103308799B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101368995A (en) * | 2008-08-29 | 2009-02-18 | 齐齐哈尔电业局 | Non-head dismantling test method for GIS combined electrical apparatus and plug-pull type transformer |
| CN201886101U (en) * | 2010-12-22 | 2011-06-29 | 江苏省电力公司无锡供电公司 | Tester for cable geographic information system (GIS) terminal |
| CN102445643A (en) * | 2011-09-30 | 2012-05-09 | 云南电力试验研究院(集团)有限公司 | GIS (Gas Insulated Switchgear) test platform capable of adjusting electrode structure |
| CN102879708A (en) * | 2012-09-21 | 2013-01-16 | 西安供电局 | Quick polarity testing method of 110kV gas insulated switchgear (GIS) of transformer substation |
Non-Patent Citations (1)
| Title |
|---|
| 骆桂英 等: "GIS出线套管下部连接螺栓发热分析与处理", 《浙江电力》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111149004A (en) * | 2017-08-30 | 2020-05-12 | 西门子交通有限公司 | Method and device for checking contact of current collector |
| US11561246B2 (en) | 2017-08-30 | 2023-01-24 | Siemens Mobility GmbH | Method and device for testing whether a current collector is in contact |
| CN113991608A (en) * | 2021-10-22 | 2022-01-28 | 浙江浙能兰溪发电有限责任公司 | Circuit breaker for improving insulation measurement safety of generator stator winding |
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| Publication number | Publication date |
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| CN103308799B (en) | 2015-12-23 |
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