CN106154123A - A kind of distance scene frequency-changing AC pressure test system - Google Patents
A kind of distance scene frequency-changing AC pressure test system Download PDFInfo
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- CN106154123A CN106154123A CN201510192181.7A CN201510192181A CN106154123A CN 106154123 A CN106154123 A CN 106154123A CN 201510192181 A CN201510192181 A CN 201510192181A CN 106154123 A CN106154123 A CN 106154123A
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Abstract
A kind of distance scene frequency-changing AC pressure test system, pilot system is made up of power switch cabinet and test article, power switch cabinet is connected with each other with variable-frequency power sources, exciting transformer it is provided with by variable-frequency power sources, exciting transformer is connected with each other with reactor, being provided with on and off switch in power switch cabinet, reactor is connected with each other with capacitive divider, and capacitive divider is connected with each other with test article.Test component and control system are carried out isolation processing, can the person and the safety of equipment of test, data by Transmission Fibers transmission test component, the effect transmitted can be allowed more preferable, efficiency of transmission is higher, between low-voltage coil and high-tension coil, it is provided with electrostatic sheild, is possible to prevent between two coils to influence each other.
Description
Technical field
The present invention relates to a kind of pilot system, be specifically related to a kind of distance scene frequency-changing AC pressure test system.
Background technology
China marine site is vast, seashore line length, and offshore islands need to use sea electric power cable and continent major network networking, to ensure supply of electric power, improve operation of power networks stability.Offshore oil field and the construction of natural gas fields and offshore wind farms construction are powerful to using submarine cable demand trend grid-connected with continental Grid, use exchange submarine cable advantage of transmitting electricity notable.In order to meet the Field AC Withstand Voltage Test of distance (more than 20km) submarine cable, it is necessary its pilot system is launched research and development, this system is domestic does not also have producer to set about developing, and the development of sea cable test is like a raging fire, testing equipment relies on import, the height of price makes us stepping back, in order to break international block, the ac voltage withstanding making cable tests the pilot system more reasonable price used, the cable allowing a lot of remote districts can obtain Field AC Withstand Voltage Test in time, it is ensured that the using effect of cable.
Summary of the invention
It is an object of the invention to provide a kind of test effect good, a kind of distance scene frequency-changing AC pressure test system that testing expenses reduce.
The technical scheme is that a kind of distance scene frequency-changing AC pressure test system, it is provided with power switch cabinet, described power switch cabinet is connected with each other with variable-frequency power sources, it is provided with exciting transformer by described variable-frequency power sources, described exciting transformer is connected with each other with reactor, being provided with on and off switch in described power switch cabinet, described reactor is connected with each other with capacitive divider, and described capacitive divider is connected with each other with test article.
Described power switch cabinet, variable-frequency power sources and exciting transformer are controlled by control system, described control system Parallel Control reactor and capacitive divider, and described control system controls variable-frequency power sources and the operation conditions of exciting transformer.
Described exciting transformer is all insulation structure, iron core and coil it is provided with in described exciting transformer, described coil is formed by copper wires coiling, described iron core is made up of silicon steel plate, described coil is divided into low-voltage coil and high-tension coil, is provided with electrostatic sheild between described low-voltage coil and high-tension coil.
Described pilot system configures according to test requirements document, can be to complete after several system connection in series-parallel to realize different electric pressure, the On-Site Testing of the high tension cable of different length, described reactor needs the change that can carry out organizing number according to test, described reactor can have two groups, three groups or four groups, between described reactor parallel with one another, described reactor can complete 110kV cross-inked polyethylene power cable 12 ~ 72km, 220kV cross-inked polyethylene power cable 7.9 ~ 69.6km, described reactor is serially connected the distance pressure test that can complete 500kV cross-inked polyethylene power cable 9.8 ~ 19.6km by two groups.
The invention have the advantage that and test component and control system are carried out isolation processing, can the person and the safety of equipment of test, data by Transmission Fibers transmission test component, the effect transmitted can be allowed more preferable, and efficiency of transmission is higher, is provided with electrostatic sheild between low-voltage coil and high-tension coil, it is possible to prevent between two coils to influence each other, ensure the even running of respective system, do not interfere with the test effect between high-voltage coil and low-voltage coil, make the operation of pilot system the most steady.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
In figure: 1 is power switch cabinet, 2 is variable-frequency power sources, and 3 is exciting transformer, and 4 is reactor, and 5 is capacitive divider, and 6 is test article, and 7 is control system.
Detailed description of the invention
The present invention is further described below in conjunction with the accompanying drawings.
nullA kind of distance scene frequency-changing AC pressure test system，It is provided with power switch cabinet 1，Power switch cabinet 1 is connected with each other with variable-frequency power sources 2，Variable-frequency power sources 2 is other is provided with exciting transformer 3，Exciting transformer 3 is connected with each other with reactor 4，It is provided with on and off switch in power switch cabinet 1，Reactor 4 is connected with each other with capacitive divider 5，Capacitive divider 5 is connected with each other with test article 6，Power switch cabinet 1、Variable-frequency power sources 2 and exciting transformer 3 are controlled by control system 7，Control system 7 Parallel Control reactor 4 and capacitive divider 5，Control system 7 controls variable-frequency power sources 2 and the operation conditions of exciting transformer 3，Exciting transformer 3 is all insulation structure，Iron core and coil it is provided with in exciting transformer 3，Coil is formed by copper wires coiling，Iron core is made up of silicon steel plate，Coil is divided into low-voltage coil and high-tension coil，Electrostatic sheild it is provided with between low-voltage coil and high-tension coil，Pilot system configures according to test requirements document，Can be to complete after several system connection in series-parallel to realize different electric pressure、The On-Site Testing of the high tension cable of different length，Reactor 4 needs the change that can carry out organizing number according to test，Reactor 4 can have two groups、Three groups or four groups，Between reactor 4 parallel with one another，Reactor 4 can complete 110kV cross-inked polyethylene power cable 12 ~ 72km、220kV cross-inked polyethylene power cable 7.9 ~ 69.6km，Reactor 4 is serially connected the distance pressure test that can complete 500kV cross-inked polyethylene power cable 9.8 ~ 19.6km by two groups.
Claims (5)
1. a distance scene frequency-changing AC pressure test system, pilot system is made up of power switch cabinet and test article, it is characterized in that: described power switch cabinet is connected with each other with variable-frequency power sources, it is provided with exciting transformer by described variable-frequency power sources, described exciting transformer is connected with each other with reactor, being provided with on and off switch in described power switch cabinet, described reactor is connected with each other with capacitive divider, and described capacitive divider is connected with each other with test article.
A kind of distance scene the most according to claim 1 frequency-changing AC pressure test system, it is characterized in that: described power switch cabinet, variable-frequency power sources and exciting transformer are controlled by control system, described control system Parallel Control reactor and capacitive divider, described control system controls variable-frequency power sources and the operation conditions of exciting transformer.
A kind of distance scene the most according to claim 1 frequency-changing AC pressure test system, it is characterized in that: described exciting transformer is all insulation structure, iron core and coil it is provided with in described exciting transformer, described coil is formed by copper wires coiling, described iron core is made up of silicon steel plate, and described coil is divided into low-voltage coil and high-tension coil.
A kind of distance scene the most according to claim 1 frequency-changing AC pressure test system, it is characterized in that: by described test article, be provided with test component, being provided with Transmission Fibers between described test component and test article, described test component is mutually isolated with control system.
A kind of distance scene the most according to claim 1 frequency-changing AC pressure test system, it is characterized in that: described pilot system configures according to test requirements document, can be to complete after several system connection in series-parallel to realize different electric pressure, the On-Site Testing of the high tension cable of different length, described reactor needs the change that can carry out organizing number according to test, described reactor can have two groups, three groups or four groups, between described reactor parallel with one another, described reactor can complete 110kV cross-inked polyethylene power cable 12 ~ 72km, 220kV cross-inked polyethylene power cable 7.9 ~ 69.6km, described reactor is serially connected the distance pressure test that can complete 500kV cross-inked polyethylene power cable 9.8 ~ 19.6km by two groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510192181.7A CN106154123A (en) | 2015-04-22 | 2015-04-22 | A kind of distance scene frequency-changing AC pressure test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510192181.7A CN106154123A (en) | 2015-04-22 | 2015-04-22 | A kind of distance scene frequency-changing AC pressure test system |
Publications (1)
| Publication Number | Publication Date |
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| CN106154123A true CN106154123A (en) | 2016-11-23 |
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| CN201510192181.7A Pending CN106154123A (en) | 2015-04-22 | 2015-04-22 | A kind of distance scene frequency-changing AC pressure test system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771896A (en) * | 2016-11-25 | 2017-05-31 | 浙江舟山海洋输电研究院有限公司 | Sea electric power cable overvoltage and its checking system and verification method of protection test |
| CN107402344A (en) * | 2017-08-15 | 2017-11-28 | 安徽送变电工程公司 | A kind of ac voltage withstanding pilot system |
| CN108459249A (en) * | 2018-04-10 | 2018-08-28 | 国网江苏省电力有限公司电力科学研究院 | The extra-high voltage GIL alternating-current voltage resistance test devices and method of controllable saturation reactance |
| CN112964968A (en) * | 2021-02-04 | 2021-06-15 | 西安热工研究院有限公司 | System and method for testing long-distance submarine high-voltage cable voltage resistance of high-voltage bushing |
| CN108459249B (en) * | 2018-04-10 | 2024-06-04 | 国网江苏省电力有限公司电力科学研究院 | Extra-high voltage GIL alternating current withstand voltage test device and method with controllable saturation reactance |
-
2015
- 2015-04-22 CN CN201510192181.7A patent/CN106154123A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771896A (en) * | 2016-11-25 | 2017-05-31 | 浙江舟山海洋输电研究院有限公司 | Sea electric power cable overvoltage and its checking system and verification method of protection test |
| CN107402344A (en) * | 2017-08-15 | 2017-11-28 | 安徽送变电工程公司 | A kind of ac voltage withstanding pilot system |
| CN108459249A (en) * | 2018-04-10 | 2018-08-28 | 国网江苏省电力有限公司电力科学研究院 | The extra-high voltage GIL alternating-current voltage resistance test devices and method of controllable saturation reactance |
| CN108459249B (en) * | 2018-04-10 | 2024-06-04 | 国网江苏省电力有限公司电力科学研究院 | Extra-high voltage GIL alternating current withstand voltage test device and method with controllable saturation reactance |
| CN112964968A (en) * | 2021-02-04 | 2021-06-15 | 西安热工研究院有限公司 | System and method for testing long-distance submarine high-voltage cable voltage resistance of high-voltage bushing |
| CN112964968B (en) * | 2021-02-04 | 2022-10-11 | 西安热工研究院有限公司 | System and method for testing long-distance submarine high-voltage cable voltage resistance of high-voltage bushing |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161123 |