CN204575798U - A kind of vehicular long distance field frequency-changing AC withstand voltage test system - Google Patents
A kind of vehicular long distance field frequency-changing AC withstand voltage test system Download PDFInfo
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- CN204575798U CN204575798U CN201520245537.4U CN201520245537U CN204575798U CN 204575798 U CN204575798 U CN 204575798U CN 201520245537 U CN201520245537 U CN 201520245537U CN 204575798 U CN204575798 U CN 204575798U
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Abstract
A kind of vehicular long distance field frequency-changing AC withstand voltage test system, comprise truck and container, truck is provided with container, pilot system is provided with above described container, pilot system is made up of testing laboratory and frequency conversion resonance experiment system, is provided with variable-frequency power sources in container, and variable-frequency power sources side is provided with intermediate frequency exciting transformer, intermediate frequency exciting transformer and REgulatable reactor are interconnected, and are provided with capacitive divider and tuning capacitor after REgulatable reactor.By pilot system is set directly at above truck, the demand in different tests place can be met, run into the frequency-changing AC withstand voltage test that cable also directly can be carried out in remote place, expand trial stretch, container is set to drawing and pulling type, shell can be taken out open in transportation, whole pilot system is placed in one, prevent equipment contaminated in transportation, affect test effect.
Description
Technical field
The utility model relates to a kind of pilot system, is specifically related to a kind of vehicular long distance field frequency-changing AC withstand voltage test system.
Background technology
The common method of power cable site test has: DC break down voltage, industrial frequency withstand voltage, ultralow frequency are withstand voltage, frequency conversion resonance vibration method and wave of oscillation test, wherein, when adopting DC voltage withstand test method, can not real simulation run under cable status, effectively can not find the insulation defect of cable, it is aging that DC voltage also can accelerate cable insulation; Adopt power frequency withstand test method closest to onsite application situation, but testing equipment is bulky; Adopt Ultra-low frequency voltage endurance test method equivalence good, but during ultralow frequency, generation high voltage becomes again research and development of products bottleneck, at present, be only applied to the twisted polyethylene cable test of below 35kV; Wave of oscillation test is better than DC voltage withstand test equivalence, but also has gap compared with power frequency withstand test; Frequency conversion resonance vibration pressure-proof test equivalence is good, compact equipment, weight ratio industrial frequency withstand voltage system light, be convenient to transport, dismounting.
China marine site is vast, seashore line length, and offshore islands need to adopt sea electric power cable and continent major network to network, and to ensure electric power supply, improve operation of power networks stability.Offshore oil field and the construction of natural gas fields and offshore wind farms construction to employing subsea cable and the grid-connected demand trend of continental Grid powerful, adopt that to exchange subsea cable transmission of electricity advantage remarkable.In order to the Field AC Withstand Voltage Test of satisfied long distance (being greater than 20km) subsea cable, be necessary to develop a kind of vehicular long distance field frequency-changing AC withstand voltage test system.
Summary of the invention
The purpose of this utility model is to provide a kind of convenient test, the transport easy a kind of vehicular of dismounting long distance field frequency-changing AC withstand voltage test system.
The technical solution of the utility model is: a kind of vehicular long distance field frequency-changing AC withstand voltage test system, comprise truck and container, described truck is provided with container, pilot system is provided with above described container, described pilot system is made up of testing laboratory and frequency conversion resonance experiment system, variable-frequency power sources is provided with in described container, described variable-frequency power sources side is provided with intermediate frequency exciting transformer, described intermediate frequency exciting transformer and REgulatable reactor are interconnected, and are provided with capacitive divider and tuning capacitor after described REgulatable reactor.
Be provided with coupling arrangement between described REgulatable reactor and capacitive divider, described coupling arrangement is conducting rod, and described conducting rod one end is connected with REgulatable reactor, and the described conducting rod other end is connected with capacitive divider.
Described container outer wall is hung with air-conditioning, is provided with deedbox in described testing laboratory, and described deedbox side is provided with control and measuring table.
Described container is drawing and pulling type structure, and shell can be taken out out by described container in transportation, and described pilot system can be carried out being connected in series test and also can be carried out being connected in parallel test.
Described pilot system can two groups of connections, three groups connect or four groups of connections, be interconnected by conducting rod between described pilot system, described REgulatable reactor inductance value difference only 3%, connection parallel with one another can be carried out according to testing requirements during test, second group of REgulatable reactor can be connected after described REgulatable reactor, the On-Site Testing of high-tension cable of various electric pressure, different length can be completed by combination.
The utility model has the advantages that: by pilot system is set directly at above truck, the demand in different tests place can be met, run into the frequency-changing AC withstand voltage test that cable also directly can be carried out in remote place, expand trial stretch, container is set to drawing and pulling type, shell can be taken out open in transportation, whole pilot system is placed in one, prevent equipment contaminated in transportation, affect test effect; Be transported to until equipment and behind testing ground, container received near testing laboratory position and fixing, then start test, do easy to use like this, pilot system can carry out series and parallel connections testing experiment, meets the requirement at different tests scene, optimizes test effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the figure that is connected of the present utility model.
Fig. 3 is the figure that is connected of the present utility model.
Fig. 4 is the figure that is connected of the present utility model.
In figure: 1 is truck, 2 is container, and 3 is testing laboratory, and 4 is REgulatable reactor, and 5 is variable-frequency power sources, and 6 is intermediate frequency exciting transformer, and 7 is capacitive divider, and 8 is conducting rod, and 9 is air-conditioning, and 10 is deedbox, and 11 for controlling and measuring table.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further illustrated.
A kind of vehicular long distance field frequency-changing AC withstand voltage test system, comprise truck 1 and container 2, truck 1 is provided with container 2, container 2 is provided with pilot system above, pilot system is made up of testing laboratory 3 and frequency conversion resonance experiment system, variable-frequency power sources 5 is provided with in container 2, variable-frequency power sources 5 side is provided with intermediate frequency exciting transformer 6, intermediate frequency exciting transformer 6 and REgulatable reactor 4 are interconnected, capacitive divider 7 and tuning capacitor is provided with after REgulatable reactor 4, coupling arrangement is provided with between REgulatable reactor 4 and capacitive divider 7, coupling arrangement is conducting rod 8, conducting rod 8 one end is connected with REgulatable reactor, conducting rod 8 other end is connected with capacitive divider 7, container 2 outer wall is hung with air-conditioning, deedbox is provided with in testing laboratory 3, deedbox side is provided with and controls and measuring table 11, container 2 is drawing and pulling type structure, shell can be taken out out by container 2 in transportation, pilot system can be carried out being connected in series test and also can be carried out being connected in parallel test, pilot system can two groups of connections, three groups connect or four groups of connections, be interconnected by conducting rod between pilot system, REgulatable reactor 4 inductance value difference only 3%, connection parallel with one another can be carried out according to testing requirements during test, second group of REgulatable reactor 4 can be connected after REgulatable reactor 4, various electric pressure can be completed by combination, the On-Site Testing of the high-tension cable of different length.
Claims (5)
1. a vehicular long distance field frequency-changing AC withstand voltage test system, comprise truck and container, described truck is provided with container, pilot system is provided with above described container, described pilot system is made up of testing laboratory and frequency conversion resonance experiment system, it is characterized in that: in described container, be provided with variable-frequency power sources, described variable-frequency power sources side is provided with intermediate frequency exciting transformer, described intermediate frequency exciting transformer and REgulatable reactor are interconnected, and are provided with capacitive divider and tuning capacitor after described REgulatable reactor.
2. a kind of vehicular according to claim 1 long distance field frequency-changing AC withstand voltage test system, it is characterized in that: between described REgulatable reactor and capacitive divider, be provided with coupling arrangement, described coupling arrangement is conducting rod, described conducting rod one end is connected with REgulatable reactor, and the described conducting rod other end is connected with capacitive divider.
3. a kind of vehicular according to claim 1 long distance field frequency-changing AC withstand voltage test system, it is characterized in that: described container outer wall is hung with air-conditioning, be provided with deedbox in described testing laboratory, described deedbox side is provided with control and measuring table.
4. a kind of vehicular according to claim 1 long distance field frequency-changing AC withstand voltage test system, it is characterized in that: described container is drawing and pulling type structure, shell can be taken out out by described container in transportation, and described pilot system can be carried out being connected in series test and also can be carried out being connected in parallel test.
5. a kind of vehicular according to claim 1 long distance field frequency-changing AC withstand voltage test system, it is characterized in that: described pilot system can two groups of connections, three groups connect or four groups of connections, be interconnected by conducting rod between described pilot system, described REgulatable reactor inductance value difference only 3%, connection parallel with one another can be carried out according to testing requirements during test, second group of REgulatable reactor can be connected after described REgulatable reactor, the On-Site Testing of high-tension cable of various electric pressure, different length can be completed by combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520245537.4U CN204575798U (en) | 2015-04-22 | 2015-04-22 | A kind of vehicular long distance field frequency-changing AC withstand voltage test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520245537.4U CN204575798U (en) | 2015-04-22 | 2015-04-22 | A kind of vehicular long distance field frequency-changing AC withstand voltage test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204575798U true CN204575798U (en) | 2015-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520245537.4U Expired - Fee Related CN204575798U (en) | 2015-04-22 | 2015-04-22 | A kind of vehicular long distance field frequency-changing AC withstand voltage test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204575798U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112540276A (en) * | 2020-12-07 | 2021-03-23 | 广东电网有限责任公司 | Vehicle-mounted cable voltage withstand test device and test system |
| CN113109684A (en) * | 2021-05-25 | 2021-07-13 | 西安热工研究院有限公司 | Large-scale steam turbine generator power frequency alternating current withstand voltage test device and method |
-
2015
- 2015-04-22 CN CN201520245537.4U patent/CN204575798U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112540276A (en) * | 2020-12-07 | 2021-03-23 | 广东电网有限责任公司 | Vehicle-mounted cable voltage withstand test device and test system |
| CN113109684A (en) * | 2021-05-25 | 2021-07-13 | 西安热工研究院有限公司 | Large-scale steam turbine generator power frequency alternating current withstand voltage test device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Bingsheng Inventor after: Tang Chunrong Inventor after: Li Ruihai Inventor after: Meng Xiaobo Inventor before: Zhang Bingsheng Inventor before: Tang Chunrong |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151125 Address after: 225200 Jiangsu Province, Yangzhou city Jiangdu District Wu Jian Zhen Industrial Park Patentee after: Yangzhou Xinyuan Electric Co., Ltd. Patentee after: Research Institute of Southern Power Grid Co., Ltd. Address before: 225200 Jiangsu Province, Yangzhou city Jiangdu District Wu Jian Zhen Industrial Park Patentee before: Yangzhou Xinyuan Electric Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20180422 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |