CN105866481B - A kind of building block system Puffer-type surge voltage generating device - Google Patents
A kind of building block system Puffer-type surge voltage generating device Download PDFInfo
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- CN105866481B CN105866481B CN201510804416.3A CN201510804416A CN105866481B CN 105866481 B CN105866481 B CN 105866481B CN 201510804416 A CN201510804416 A CN 201510804416A CN 105866481 B CN105866481 B CN 105866481B
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Abstract
The present invention relates to a kind of building block system Puffer-type surge voltage generating devices.The device include can dock inflatable insulation shell, by high-strength insulating supports support in enclosure interior tower gas insulation impulse voltage generator form.Wherein tower gas insulation impulse voltage generator includes the impulse voltage generator circuit being made of multiple impulse capacitors, charging and isolation resistance, ball gap gas switch；And multiple ring type bucking electrodes.Every section of Puffer-type surge voltage generating device is separate unit, can single hop use, can also dock to form higher voltage grade surge voltage generating device.Compact overall structure of the present invention, natural inductance is low, is easy to transport and on-site assembly, can be widely applied to the field test of power equipment.
Description
Technical field
The present invention relates to Puffer-type surge voltage generating devices, particularly, are related to a kind of building block system Puffer-type surge voltage
Generating device.
Background technique
The delivery test and field test of power equipment are required to carry out lightning impulse pressure test, and surge voltage is usual
It is to be generated by impulse voltage generator.Presently the most common impulse voltage generator is mostly that open type surge voltage occurs
Device, i.e., using air as dielectric.It is low that this open type impact generating device is limited by air electric strength, thus volume
Greatly, and tower structure causes height higher, it is necessary to which dismantling transport, this is unfavorable for field test；Bulk is larger also to be will lead to
Circuit natural inductance increases, and is unfavorable for surge waveform steepness, when carrying out the test of large capacity test product, is also not easy output and meets the requirements
Steep-front High Voltage Impulse Waveform.
Summary of the invention
The present invention proposes a kind of new solution for the problem present on.
The present invention provides a kind of building block system Puffer-type surge voltage generating devices, can directly connect with test product.Difference
In traditional tower surge voltage generating device, present invention employs the modular construction that can be docked and SF6 gas-insulateds, have
Effect controls the size and height of device, is readily transported and installs, can also root field test require to choose building blocks number of segment, change
Voltage class.Since the present invention is inflatable surge voltage generating device, can significant control device volume, make it is compact-sized,
Ontology natural inductance is effectively reduced, steeper waveform is exported.
According to the present invention, a kind of building block system Puffer-type surge voltage generating device is provided, including inflatable insulation can be docked
Shell, by high-strength insulating supports support in enclosure interior tower gas insulate impulse voltage generator, wherein
Tower gas insulation impulse voltage generator includes:
The bilateral charging punching of the standard being made of multiple groups impulse capacitor, phase inductive charging and isolation resistance, ball gap gas switch
Hit voltage generator circuit；
Multiple ring type bucking electrodes；
Wherein,
The multiple groups impulse capacitor is individually fixed on multiple high-strength insulating plates, and ball gap is connected between every group capacitor
Gas switch；
Multiple insulation boards are successively fixed on four high-strength insulating pillars in parallel from bottom to up, and layer is relied on interlayer and is placed on
Tubular supporting piece support on insulation column；
The insulated supports such as the insulation board and insulation column are using high-strength insulating materials such as epoxy glass fibers, it is desirable that
Both there is supporting role, while meeting insulating requirements；
Ring type bucking electrode is located at around every grade of impulse capacitor, plays uniform electric field；
Afterbody ring type bucking electrode is connect with output conductor.
The tower gas insulation impulse voltage generator is placed in inflation shell.
The inflation shell inner body interior insulation medium can be pure SF6Gas or SF6/N2Mixed gas is made, wherein SF6/N2
SF in mixed gas6Content is between 15% to 95%；Inner gas pressure is 0.2 MPa between 0.4MPa in shell, SF6/N2Mixing
The inner gas pressure of gas is slightly above SF6。
The inflation shell is tubular structure, and material is insulating materials, and such as epoxy glass fiber, every section of height is no more than
3.5 rice.
The Puffer-type surge voltage generating device is absolute construction, can be docked with other sections, wherein
Except head and the tail two-piece housing, metal flange is docked with tail portion at the top of remaining every piece housing；
There are three dock metallic conductor, respectively surge voltage output end and positive and negative charging with tail portion at the top of every piece housing
End；
Metallic conductor is docked to support by disc insulator or insulating materials；
Lowermost shell contains support base, and uppermost shell contains surge voltage output conductor, can connect with test product.
Detailed description of the invention
Attached drawing described herein is used to provide further understanding of the disclosure, constitutes part of this application.Attached
In figure:
Fig. 1 is the planar structure schematic diagram of the building block system Puffer-type surge voltage generating device of an embodiment of the present disclosure.
Fig. 2 is the structure meaning of the building block system Puffer-type surge voltage generating device abutted flange of an embodiment of the present disclosure
Figure.
Specific embodiment
Below with reference to the attached drawing of the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Special sound
Bright, description below substantially only plays the role of Macroscopical Explanation and example illustrates, never to the disclosure and its answers
With or use carry out any restrictions.Unless stated otherwise, otherwise, the opposite cloth of the component and step that illustrate in embodiment
It sets and numerical expression and numerical value is not intended to limit the scope of the present disclosure.Simultaneously, it should be appreciated that for ease of description, in attached drawing
The size of shown various pieces is not to draw according to actual proportionate relationship.In addition, known to those skilled in the art
Technology, method and apparatus may not be discussed in detail, but be meant as part of specification in appropriate circumstances.
Fig. 1 is the single hop tank body the schematic diagram of the section structure of building block system Puffer-type surge voltage generating device.It is filled including insulation
Gas shell 1, the check valve 11 that abutted flange 10 and holding gas circuit when docking with other sections are come round, and be situated between with gas for insulation
Matter is placed in the insulation impulse voltage generator of the tower gas in enclosure interior 2.The charging voltage of this gas-insulated structure occurs
Device volume, miniaturization of the apparatus, lightweight can be obviously reduced in device.
Tower gas insulation impulse voltage generator include:
The bilateral impulse voltage generator of tradition being made of impulse capacitor 4, ball gap gas switch 5 and corresponding resistor
Circuit；
Ring type bucking electrode 3；
Device pedestal 6, and the charging unit 7 being attached thereto；
Insulating barrier and insulation column 8；
The output bus 9 being connected with afterbody ring type bucking electrode.
Wherein,
The insulation inflation shell 1 is tubular structure, and case material is chosen as epoxy glass fiber, has good machinery
Performance and insulation performance, for diameter of the housing 1.8 to 2.2m, single-unit body height is no more than 3.5 m, meets shipping height limitation
Condition is convenient for whole Transporting；
2 inflatable bodies of the enclosure interior are pure SF6Or SF6/N2Mixed gas, wherein SF6/N2SF in mixed gas6
Low SF generally can be selected between 15% to 95% in content6The mixed gas of content, dielectric strength with higher at this time, this
It is remarkably improved the economical of device；Inner gas pressure is 0.2 MPa between 0.4 MPa in shell, SF6/N2Mixed gas is filled
Gas air pressure is slightly above SF6It can be obtained comparable dielectric strength, inner gas pressure can accordingly be changed according to the height of output voltage；
The ring type bucking electrode 3 is coaxial circular ring type, is placed in around every grade of impulse capacitor, and material is chosen as aluminium,
Lighter weight, it is easy to process with it is fixed, ring type bucking electrode can effective uniform electric field, greatly reduce internal field's concentration phenomenon
Appearance, it is ensured that built-in electrical insulation performance, bucking electrode specific size by internal gas insulation surge voltage generating device size determine
It is fixed；
The impulse capacitor 4 be it is rectangular, capacitor case is polyethylene, can prevent capacitor from edge occurs in charge and discharge
Face flashover, guarantees reliability when operation, and the nominal voltage of impulse capacitor is 100 ~ 150kV.Impulse capacitor can meet more
The requirement of secondary short circuit dischange, be suitable for surge voltage generating device, it is ensured that device it is safe and reliable；
The ball gap gas switch 5 is small with being influenced by external condition compared to traditional sphere gap switch, good operating stability
Feature adjusts clearance distance compared to traditional ball gap to change the mechanical system of breakdown voltage, and ball gap gas switch can pass through tune
Save pressure control breakdown voltage, easily controllable and intense adjustment, so that device synchronism significantly improves；
Described device pedestal 6 is used to support tower gas insulation impulse voltage generator, and is connected with charging unit；
The charging unit 7 can be the positive and negative bilateral charging of impulse capacitor, constant pressure or current constant mode charging can be used, and just
In adjusting charging rate；
The insulating barrier is both secured on insulation column, and every grade of one layer of partition can provide structure for impulse capacitor
Support, and every grade of impulse capacitor is separated, gas-insulated surge voltage generating device is supported in shell by the insulation column
Internal portion, diameter are 8cm ~ 15cm, and there is good mechanical and insulation performance, the insulation column and insulating barrier can be used
Epoxy glass fiber is made；
The output bus 9 is voltage output end, can be used as directly output or provides circuit connection, bus material for lower section
It is selected as aluminium, for cylinder, so that electric fields uniform, output bus 9 is connect with last one set ring type bucking electrode；
10 specific structure of abutted flange is as shown in Figure 2.
Fig. 2 is that the structure of abutted flange is intended to.11 be the charging port between two sections, and 12 be bus port, and 13 be check valve.
Wherein,
The charging port 1 can be used for the two bilateral chargings of interpolar pulsed capacitance, can use small-sized disc insulator or insulation material
Material is drawn；
The bus port 2 can be used for drawing bus, connects lower section or directly exports, equally can be used disc insulator or
Insulating materials is drawn；
The check valve 3 can be used for being connected to shell when two sections of docking, so that air pressure is identical in two housings, guarantee abutted flange
It is not subject to gas pressure；
Abutted flange can be made of stainless steel or aluminium, it is ensured that mechanical strength.
Every section of Puffer-type surge voltage generating device is absolute construction, can be used as generator and directly uses, can also make
For integrally-built a part, multistage docking is used in combination, to generate higher voltage.
Wherein,
Except head and the tail two-piece housing, metal flange is docked with tail portion at the top of remaining every piece housing；
There are three dock metallic conductor, respectively surge voltage output end and positive and negative charging with tail portion at the top of every piece housing
End and check valve are to keep multistage tank interior air pressure identical；
Docking metallic conductor is supported in insulation shell by disc insulator or insulating materials；
Lowermost shell contains support base, and uppermost shell contains surge voltage output conductor, due to for insulation shell,
There is no need to outlet casing tubes to connect with test product.
The building block system Puffer-type surge voltage generating device has many advantages, such as convenient transportation, compact-sized.Every piece housing
Individually can assemble and transport, to testing ground after docked again.The shell number of segment according to needed for test voltage hierarchical selection,
Convenient for adjusting.Compared with traditional surge voltage generating device, every section of output voltage can be added to lower section or direct in the present invention
Output action is simple and convenient on test product.It is gas in shell, significantly reduces installation weight, reduce device volume, so that
Ontology inductance reduces, and can export steeper voltage waveform.
Although the disclosure is described in detail with reference to above-described embodiment, it should be appreciated that be not that exhaustively or incite somebody to action this
Invention is limited to disclosed form.Selection and description embodiment be in order to more preferably illustrate the principle of the present invention and practical application, it is right
In it will be apparent to one skilled in the art that, can without departing substantially from the scope of the present disclosure and spirit under conditions of modify above-mentioned example
Property embodiment.The range of the attached claims should be endowed widest explanation, comprising all such modifications and equally
Structure and function.
Claims (3)
1. a kind of building block system Puffer-type surge voltage generating device, which is characterized in that including can dock inflatable insulation shell, by
High-strength insulating supports support is in the tower gas insulation impulse voltage generator of enclosure interior, wherein
Tower gas insulation impulse voltage generator includes:
The bilateral charging impact electricity of the standard being made of multiple groups impulse capacitor, phase inductive charging and isolation resistance, ball gap gas switch
Press generator circuit；
Multiple ring type bucking electrodes；
Wherein,
The multiple groups impulse capacitor is individually fixed on multiple high-strength insulating plates, and ball gap gas is connected between every group capacitor
Switch；
Multiple insulation boards are successively fixed on four high-strength insulating pillars in parallel from bottom to up, and layer and interlayer rely on and be placed on insulation
Tubular supporting piece support on pillar；
Ring type bucking electrode is located at around every grade of impulse capacitor, plays uniform electric field；
Afterbody ring type bucking electrode is connect with output conductor；
Impulse voltage generator inside every piece housing is placed in inflation shell in the form of gas-insulated；
The insulated supports such as insulation board and insulation column are using high-strength insulating materials such as epoxy glass fibers, it is desirable that both have branch
Support effect, while meeting insulating requirements；
Every section of Puffer-type surge voltage generating device is absolute construction, can be docked with other sections, wherein
Except head and the tail two-piece housing, metal flange is docked with tail portion at the top of remaining every piece housing；
There are three dock metallic conductor, respectively surge voltage output end and positive and negative charging end with tail portion at the top of every piece housing；
Metallic conductor is docked to support by disc insulator or insulating materials；
Lowermost shell contains support base, and uppermost shell contains surge voltage output conductor, can be with without outlet casing tube
Test product connection.
2. building block system Puffer-type surge voltage generating device according to claim 1, which is characterized in that pure SF6 can be used
Gas and SF6/N2 mixed gas are as gas-insulated medium in shell, wherein
SF6 content is between 15% to 95% in SF6/N2 mixed gas；
Inner gas pressure is 0.2 MPa between 0.4MPa in shell, and the inner gas pressure of SF6/N2 mixed gas is slightly above SF6.
3. building block system Puffer-type surge voltage generating device described in any one of -2 according to claim 1, which is characterized in that fill
Gas shell is tubular structure, and material is insulating materials, such as epoxy glass fiber, and every section of height is no more than 3.5 meters.
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| CN201510804416.3A CN105866481B (en) | 2015-11-20 | 2015-11-20 | A kind of building block system Puffer-type surge voltage generating device |
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| CN201510804416.3A CN105866481B (en) | 2015-11-20 | 2015-11-20 | A kind of building block system Puffer-type surge voltage generating device |
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| CN105866481B true CN105866481B (en) | 2019-01-22 |
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| CN107331497B (en) * | 2017-06-19 | 2018-10-26 | 西北核技术研究所 | Primary discharge cell of fast pulse straight line transformer and preparation method thereof and transformer |
| CN114545175B (en) * | 2022-03-02 | 2022-10-18 | 江苏盛华电气有限公司 | SF6 gas impulse voltage generator capable of reducing electric field intensity |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0061990A1 (en) * | 1981-03-26 | 1982-10-06 | Siemens Aktiengesellschaft | Surge arrester comprising shielding means surrounding a column of arrester means |
| CN104464986A (en) * | 2014-12-19 | 2015-03-25 | 西安交通大学 | Insulating support structure in inflatable impulse voltage generator |
| CN104467512A (en) * | 2014-12-19 | 2015-03-25 | 西安交通大学 | Impulse voltage generation module and impulse voltage generator |
| CN104483607A (en) * | 2014-12-19 | 2015-04-01 | 西安交通大学 | Inflatable and compact type impulse voltage generation device |
| CN205562619U (en) * | 2015-11-20 | 2016-09-07 | 扬州市鑫源电气有限公司 | Type impulse voltage generating device is aerifyd to cordwood system |
-
2015
- 2015-11-20 CN CN201510804416.3A patent/CN105866481B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0061990A1 (en) * | 1981-03-26 | 1982-10-06 | Siemens Aktiengesellschaft | Surge arrester comprising shielding means surrounding a column of arrester means |
| CN104464986A (en) * | 2014-12-19 | 2015-03-25 | 西安交通大学 | Insulating support structure in inflatable impulse voltage generator |
| CN104467512A (en) * | 2014-12-19 | 2015-03-25 | 西安交通大学 | Impulse voltage generation module and impulse voltage generator |
| CN104483607A (en) * | 2014-12-19 | 2015-04-01 | 西安交通大学 | Inflatable and compact type impulse voltage generation device |
| CN205562619U (en) * | 2015-11-20 | 2016-09-07 | 扬州市鑫源电气有限公司 | Type impulse voltage generating device is aerifyd to cordwood system |
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Address after: 225200 Industrial Park, Wu Jian Town, Jiangdu District, Yangzhou, Jiangsu Co-patentee after: Xi'an Jiaotong University Patentee after: Yangzhou Xinyuan Electric Co., Ltd. Address before: 225200 Industrial Park, Wu Jian Town, Jiangdu District, Yangzhou, Jiangsu Co-patentee before: Xi'an Jiaotong University Patentee before: Yangzhou Xinyuan Electric Co., Ltd. |
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