CN103325557B - A kind of GIS voltage transformer - Google Patents
A kind of GIS voltage transformer Download PDFInfo
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- CN103325557B CN103325557B CN201310233996.6A CN201310233996A CN103325557B CN 103325557 B CN103325557 B CN 103325557B CN 201310233996 A CN201310233996 A CN 201310233996A CN 103325557 B CN103325557 B CN 103325557B
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- voltage transformer
- side conductor
- gis
- driving rod
- insulating driving
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Abstract
The present invention devises a kind of GIS voltage transformer, comprise tank body and device body, described tank flange mouth is installed with disc insulator, voltage transformer is connected with GIS device by the basin inlay on disc insulator, between described basin inlay and device body, breaking device is installed, described breaking device is connected with insulating driving rod, the conjunction realizing breaking device by actuating insulating driving rod with point, and then realize the disconnection of GIS device and voltage transformer or be communicated with.Whether the disconnection of breaking device of the present invention is realized by connected insulating driving rod operation, described breaking device is connected with GIS device by basin inlay, like this, when driving breaking device to disconnect when operating insulating driving rod, namely described voltage transformer disconnects with GIS device, otherwise voltage transformer is connected with GIS device.Breaking device is arranged on voltage transformer inside by the present invention, avoids when carrying out the withstand voltage test after delivery test and in-site installation, is removed by voltage transformer or install from GIS device.
Description
[technical field]
The present invention relates to voltage transformer and manufacture field, particularly a kind of GIS voltage transformer.
[background technology]
Cubicle Gas-Insulated Switchgear (GIS) is little with its floor space, and all components and parts are completely enclosed within metal shell, and external environmental interference is little, reliability is high, the advantages such as maintenance aspect is easy for installation, and operating cost is low, obtain applying more and more widely in bulk of worldwide electricity industry.
At present, GIS device all needs to carry out power frequency withstand test after carrying out delivery test and in-site installation, for avoiding owing to loading power-frequency voltage and make voltage transformer first and second winding scaling loss, so at the trial, voltage transformer must be broken from GIS device, be communicated with GIS device again after test.
Current off voltage instrument transformer has 2 kinds of schemes, and one is directly removed GIS device by voltage transformer, and two is increase independently isolating switch element in voltage transformer outside, by actuating isolating switch, voltage transformer is broken from GIS device.The first scheme needs first to remove voltage transformer before the test, again voltage transformer is installed in GIS device after test, so both add the workload in GIS device installation process, reduce the reliability of installation simultaneously, for GIS device brings potential safety hazard.The isolating switch element increased in the first scheme only use when GIS device carries out withstand voltage test, the invisible like this manufacturing cost adding GIS device, had not both met energy-saving and cost-reducing demand for development, did not meet the development trend of GIS device miniaturization yet.
The present invention is compound in voltage transformer body interior by built-in for breaking device, an external independent isolating switch element in scheme of comparing two, manufacturing cost of the present invention is lower, and can reduce GIS interval volume, shorten GIS gap length, reduce more greenhouse gas use amount.
[summary of the invention]
The invention provides a kind of GIS voltage transformer, breaking device is set in voltage transformer inside, realize the disconnection of voltage transformer and GIS device by driving breaking device or be communicated with.
In order to solve the problem, the present invention adopts following technical scheme:
A kind of GIS voltage transformer, comprise tank body and device body, described tank flange mouth is installed with disc insulator, voltage transformer is connected with GIS device by the basin inlay on disc insulator, between described basin inlay and device body, breaking device is installed, described breaking device is connected with insulating driving rod, the conjunction realizing breaking device by actuating insulating driving rod with point, and then realize the disconnection of GIS device and voltage transformer or be communicated with.
As the preferred embodiments of the present invention, described basin inlay is fixedly mounted in tank body by disc insulator.
As the preferred embodiments of the present invention, described insulating driving rod is vertical with the direction of motion of breaking device and described insulating driving rod stretches out tank body outside.
As the preferred embodiments of the present invention, described tank body is provided with the installing hole run through for insulating driving rod, and described installing hole is sealed by gland seal device.
As the preferred embodiments of the present invention, described breaking device comprises quiet side conductor, dynamic side conductor, and the isolation knife be connected between quiet side conductor and dynamic side conductor, when rotating insulated drive link, insulating driving rod drives isolation knife realize the disconnection of dynamic side conductor and quiet side conductor or be communicated with.
As the preferred embodiments of the present invention, described quiet side conductor and dynamic side conductor are U-shaped structure, and it is inner that described isolation knife is arranged on dynamic side conductor U-lag.
As the preferred embodiments of the present invention, described isolation knife and dynamic side conductor and quiet side conductor are electrically connected by the watchband-shaped contactor conducted electricity.
As the preferred embodiments of the present invention, described insulating driving rod and isolation knife pass through spline joint.
As the preferred embodiments of the present invention, the part that described insulating driving rod stretches out voltage transformer outside is provided with manual connecting lever or motor drive mechanism and realizes the disconnection of voltage transformer and GIS device with actuating insulating driving rod or be communicated with.
As the preferred embodiments of the present invention, described gland seal device comprises cover plate, and described cover plate to be connected with the tank body of voltage transformer by bearing and sealing ring and to seal.
Relative to prior art, the present invention has the following advantages: the present invention arranges breaking device in the tank body of voltage transformer, whether the disconnection of described breaking device is realized by connected insulating driving rod operation, described breaking device is connected with GIS device by basin inlay, like this, when driving breaking device to disconnect when operating insulating driving rod, namely described voltage transformer disconnects with GIS device, otherwise voltage transformer is connected with GIS device.Breaking device is arranged on voltage transformer inside by the present invention, avoids when carrying out the withstand voltage test after delivery test and in-site installation, is removed by voltage transformer or install from GIS device.
[accompanying drawing explanation]
Fig. 1 is original voltage transformer structural representation;
Fig. 2 is voltage transformer structural representation of the present invention;
Fig. 3 is off device closing position schematic diagram;
Fig. 4 is off device open position schematic diagram.
Wherein:
| 1 | Disc insulator | 2 | Voltage transformer tank body |
| 3 | Conducting rod | 4 | Device body |
| 5 | Quiet side conductor | 6 | Isolation knife |
| 7 | Dynamic side conductor | 8 | Insulating driving rod |
| 9 | Gland seal device | 10 | Watchband-shaped contactor |
| 11 | Basin inlay |
[embodiment]
A kind of GIS voltage transformer with deciliter function, comprise disc insulator 1, the device body 4 of voltage transformer and breaking device, the device body of described breaking device and voltage transformer is placed in the tank body 2 of voltage transformer, breaking device is placed between the device body 4 of voltage transformer and disc insulator 1, breaking device comprises: the dynamic side conductor 7 of U-shaped, the quiet side conductor 5 of U-shaped, and isolation knife 6, described dynamic side conductor 7 is connected with the device body of voltage transformer, quiet side conductor 5 is connected with GIS device by basin inlay 11, described dynamic side conductor 7 is connected with insulating driving rod 8, by operation insulating driving rod 8, control isolation knife 6, realize the conjunction of voltage transformer, divide operation.
Described dynamic side conductor 7 realizes reliable electric contact with isolation knife 6 by the watchband-shaped contactor conducted electricity, and isolation knife 6 and insulating driving rod 8 adopt spline fitted, when insulating driving rod rotates, drives isolation knife 6 together to rotate.When insulating driving rod is rotated counterclockwise, isolation knife 6 is driven to insert quiet side conductor 5, quiet side conductor 5 realizes reliable electric contact with isolation knife 6 by the watchband-shaped contactor conducted electricity, thus makes the device body electric connection of benzvalene form inlay 11 and voltage transformer, and voltage transformer is in "on" position; When insulating driving rod turns clockwise, drive isolation knife 6 away from quiet side conductor 5, quiet side conductor 5 disconnects with isolation knife 6, thus the device body electricity of benzvalene form inlay and voltage transformer is disconnected, and voltage transformer is in gate-dividing state.
Described insulating driving rod 8 is by the tank body of gland seal device 9 extraction voltage instrument transformer, and the tank body part that insulating driving rod exposes to voltage transformer can install manual connecting lever, realizes the manual operation of voltage transformer divide-shut brake; Or, also motor drive mechanism can be installed, realize the operation of voltage transformer intelligentized control method.
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Breaking device, by the improvement to voltage transformer internal structure, is compound in the tank interior of voltage transformer, develops a kind of voltage transformer with splitting or integrating function by the present invention.
Consult shown in Fig. 1, original voltage transformer structure is that voltage transformer tank body 2 top is provided with disc insulator 1, the device body 4 of voltage transformer is connected by disc insulator 1 with GIS device, and the device body 4 of voltage transformer is connected by conducting rod 3 with disc insulator 1.
Consult shown in Fig. 2, original conducting rod 3 is replaced by breaking device by the present invention, and the quiet side conductor 5 of the U-shaped of breaking device is connected with basin inlay 11, and the quiet side conductor 5 of U-shaped is provided with the watchband-shaped contactor 10 of conduction; The dynamic side conductor 7 of breaking device is connected with the device body 4 of voltage transformer, isolation knife 6 is arranged in the U-lag of dynamic side conductor 7, and realize reliable electric contact by the watchband-shaped contactor 10 of conduction with dynamic side conductor 7, dynamic side conductor 7 is provided with driving hole, isolation knife 6 is provided with splined hole, insulating driving rod 8 is to being through at dynamic side conductor 7 and isolation knife 6, insulating driving rod 8 is coordinated by driving hole with dynamic side conductor 7, for insulating driving rod 8 provides location and the effect rotated, insulating driving rod 8 and isolation knife 6 are coordinated by splined hole, and insulating driving rod 8 can be made together to rotate with isolation knife 6.Insulating driving rod 8 other end is outside by the tank body 2 of gland seal device 9 extraction voltage instrument transformer, and gland seal device 9 is made up of cover plate, sealing ring, bearing, and its effect is the inner SF6 air chamber of hermetic instrument transformer.
Consult shown in Fig. 3, Fig. 4, the object of breaking device is the rotation by controlling insulating driving rod 8, drives isolation knife 6 be communicated with quiet side conductor 5 or disconnect, thus realizes its point, conjunction function.When insulating driving rod is rotated counterclockwise, drive isolation knife 6 to insert quiet side conductor 5, until isolation knife 6 encounters combined floodgate stop bit point, insulating driving rod 8 rotates and terminates, quiet side conductor 5 passes through watchband-shaped contactor 10 and isolation knife 6 electrical contact of conduction, thus realizes the connection of voltage transformer internal structure; When insulating driving rod turns clockwise, drive isolation knife 6 away from quiet side conductor 5, until isolation knife 6 encounters separating brake stop bit point, insulating driving rod 8 rotates and terminates, and quiet side conductor 5 is separated with isolation knife 6, thus realizes the disconnection of voltage transformer internal structure.
Claims (8)
1. a GIS voltage transformer, it is characterized in that: described voltage transformer comprises tank body (2) and device body (4), described tank body (2) flange port is installed with disc insulator (1), voltage transformer is connected with GIS device by the basin inlay (11) on disc insulator (1), between described basin inlay (11) and device body (4), breaking device is installed, described breaking device comprises quiet side conductor (5), dynamic side conductor (7), and the isolation knife (6) be connected between quiet side conductor and dynamic side conductor, dynamic side conductor (7) offers driving hole, (6) offer splined hole to isolation knife, described breaking device is connected with insulating driving rod (8), insulating driving rod (8) is to being through at dynamic side conductor (7) and isolation knife (6), insulating driving rod (8) and described isolation knife (6) pass through spline joint, insulating driving rod (8) is coordinated by driving hole with dynamic side conductor (7), for insulating driving rod (8) provides location and the effect rotated, drive isolation knife (6) to rotate to realize the disconnection of dynamic side conductor (7) and quiet side conductor (5) by actuating insulating driving rod (8) or be communicated with, realize the conjunction of breaking device and divide, and then realize the disconnection of GIS device and voltage transformer or be communicated with.
2. a kind of GIS voltage transformer as claimed in claim 1, is characterized in that: described basin inlay (11) is fixedly mounted in tank body by disc insulator (1).
3. a kind of GIS voltage transformer as claimed in claim 1, is characterized in that: described insulating driving rod is vertical with the direction of motion of breaking device and described insulating driving rod stretches out tank body outside.
4. a kind of GIS voltage transformer as claimed in claim 3, is characterized in that: described tank body is provided with the installing hole run through for insulating driving rod, and described installing hole is sealed by gland seal device.
5. a kind of GIS voltage transformer as claimed in claim 4, is characterized in that: described quiet side conductor and dynamic side conductor are U-shaped structure, and it is inner that described isolation knife is arranged on dynamic side conductor U-lag.
6. a kind of GIS voltage transformer as claimed in claim 5, is characterized in that: described isolation knife and dynamic side conductor and quiet side conductor are electrically connected by the watchband-shaped contactor conducted electricity.
7. the GIS voltage transformer as described in claim 3 or 4, is characterized in that: the part that described insulating driving rod stretches out voltage transformer outside is provided with manual connecting lever or motor drive mechanism and realizes the disconnection of voltage transformer and GIS device with actuating insulating driving rod or be communicated with.
8. GIS voltage transformer as claimed in claim 4, is characterized in that: described gland seal device comprises cover plate, and described cover plate to be connected with the tank body of voltage transformer by bearing and sealing ring and to seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310233996.6A CN103325557B (en) | 2013-06-13 | 2013-06-13 | A kind of GIS voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310233996.6A CN103325557B (en) | 2013-06-13 | 2013-06-13 | A kind of GIS voltage transformer |
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| Publication Number | Publication Date |
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| CN103325557A CN103325557A (en) | 2013-09-25 |
| CN103325557B true CN103325557B (en) | 2016-03-02 |
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| CN201310233996.6A Active CN103325557B (en) | 2013-06-13 | 2013-06-13 | A kind of GIS voltage transformer |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977516B (en) * | 2015-07-22 | 2017-11-03 | 江苏靖江互感器厂有限公司 | A kind of insulation test device |
| WO2017088307A1 (en) * | 2015-11-27 | 2017-06-01 | 国家电网公司 | High-voltage dc support insulator test apparatus, test system and test method |
| CN108680840A (en) * | 2018-05-31 | 2018-10-19 | 国网上海市电力公司 | A kind of insulation test device for 110kV three-phase non-segregated bus |
| CN110994421A (en) * | 2019-11-21 | 2020-04-10 | 许继（厦门）智能电力设备股份有限公司 | Tee junction module |
| CN112202100B (en) * | 2020-10-19 | 2022-11-25 | 国网山东省电力公司潍坊供电公司 | Gas-insulated metal-enclosed switchgear and operation method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101055795A (en) * | 2006-03-13 | 2007-10-17 | 日新电机株式会社 | Multiphase opening-closing equipment |
| CN101714447A (en) * | 2008-09-29 | 2010-05-26 | 日新电机株式会社 | A transformer for gas insulation instrument |
| CN102339669A (en) * | 2010-07-23 | 2012-02-01 | 江苏思源赫兹互感器有限公司 | Gas insulated switchgear (GIS) combined type voltage transformer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004273855A (en) * | 2003-03-10 | 2004-09-30 | Tm T & D Kk | Gas-insulated potential transformer |
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2013
- 2013-06-13 CN CN201310233996.6A patent/CN103325557B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101055795A (en) * | 2006-03-13 | 2007-10-17 | 日新电机株式会社 | Multiphase opening-closing equipment |
| CN101714447A (en) * | 2008-09-29 | 2010-05-26 | 日新电机株式会社 | A transformer for gas insulation instrument |
| CN102339669A (en) * | 2010-07-23 | 2012-02-01 | 江苏思源赫兹互感器有限公司 | Gas insulated switchgear (GIS) combined type voltage transformer |
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| CN103325557A (en) | 2013-09-25 |
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