CN205427082U - Transmission line series compensation protection test system - Google Patents
Transmission line series compensation protection test system Download PDFInfo
- Publication number
- CN205427082U CN205427082U CN201620244938.2U CN201620244938U CN205427082U CN 205427082 U CN205427082 U CN 205427082U CN 201620244938 U CN201620244938 U CN 201620244938U CN 205427082 U CN205427082 U CN 205427082U
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- current transformer
- string
- series compensation
- protection
- protection tester
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Abstract
The utility model provides a transmission line series compensation protection test system relates to power transmission technical field. This system includes: series compensation protection tester, series compensation protection device, series compensation protection tester controlling means, the series compensation protection tester is connected with being arranged in the current transformer who measures each partial electric current of cluster benefit platform circuit, each current transformer with the series compensation protection device is connected, the series compensation protection device with series compensation protection tester controlling means connects, series compensation protection tester controlling means with the series compensation protection tester is connected, series compensation protection tester controlling means still with upper computer connection. The utility model discloses can solve current transmission line series compensation protection test procedure needs the problem of more manpower cooperation completion, the loaded down with trivial details complicacy of process, and personnel and the equipment solved on the cluster benefit platform influences by transmission line's influence electricity easily, and personnel and equipment safety are difficult to the problem of assurance.
Description
Technical field
This utility model relates to power transmission technology field, particularly relates to a kind of transmission line of electricity string and mends protection test system.
Background technology
At present, ultra-high voltage AC transmission system and ultrahigh-voltage alternating-current transmission system are the Main Means that China realizes the transmission of Large Copacity remote distance power.Use transmission line of electricity series capacitor compensation technology (being called for short string to mend), can effectively shorten the electrical distance between power transmission line first and last end, increasing line power transmittability, therefore, the series capacitor compensation technology of transmission line of electricity is to improve the effective means of ultrahigh voltage alternating current transmission lines ability to transmit electricity.Generally, the lower section being positioned at overhead transmission line is provided with series compensation platform, and its distance overhead transmission line is relatively near, and structure is as shown in Figure 1, including series capacitor bank C, metal oxide pressure-limiting device MOV, triggered gap GAP, damping device D, bypass breaker BPCB, string mends disconnecting switch DS-1, string mends disconnecting switch DS-2, string mends earthed switch ES-1, and string mends earthed switch ES-2, bypass isolating switch BPDS.In order to gather the electric current of series compensation platform each several part, it is generally required to the secondary side of current transformer (CurrentTransformer is called for short CT) corresponding for each electric current measuring point (line current 101, condenser current 102, MOV electric current 103, gap current 104, platform electric current 105, out-of-balance current 106) is concentrated in a platform test case.Additionally; in order to go here and there the properly functioning of complement system; it is generally required to arrange, string is mended the string benefit protection device (being arranged at string to mend in protective chamber) that each several part is protected; realizing various defencive function by the electric current and partial switch amount gathering string benefit each several part, various defencive functions are controlled by defencive function pressing plate and control word etc..
The job stability of protection system is mended in order to test string; it is current it is generally required to more manpower completes; its process is: as shown in Figure 2; after commissioning staff in string benefit protective chamber sets defencive function pressing plate and protection definite value; by transmitter receiver and climbing on series compensation platform and the commissioning staff of carrying notebook computer links up, determine the current value needing to need to add in the protection project of test and test process.Tester on series compensation platform controls relay-protection tester by notebook computer, is passed through the test electric current specified to each CT secondary side.The commissioning staff that string is mended in protective chamber is going here and there protection act situation of checking in protection device of mending, and combines the action situation of on-the-spot switch, and artificial analysis protection act is the most correct.
Current transmission line of electricity string mends protection test process needs more manpower to coordinate, process very complicated.Additionally the personnel on series compensation platform and equipment are easily affected by the faradism of transmission line of electricity, and personnel and equipment are difficult to ensure that safely.
Utility model content
Embodiment of the present utility model provides a kind of transmission line of electricity string to mend protection test system, mends protection test process and needs more manpower to coordinate solving current transmission line of electricity string, process very complicated；And personnel and the equipment on solution series compensation platform is easily affected by the faradism of transmission line of electricity, the problem that personnel and equipment are difficult to ensure that safely.
For reaching above-mentioned purpose, this utility model adopts the following technical scheme that
A kind of transmission line of electricity string mends protection test system, including: string mends protection tester, string mends protection device, string is mended protection tester and controlled device；Described string is mended protection tester and is used for measuring the current transformer of each several part electric current in series compensation platform circuit and being connected；Each current transformer is mended protection device with described string and is connected；Described string benefit protection device controls device with described string benefit protection tester and is connected；Described string benefit protection tester control device is mended with described string and is protected tester to be connected；Described string is mended protection tester control device and is also connected with host computer.
Concrete, described string benefit protection tester is controlled device and is connected with described string benefit protection tester by the first optical fiber；Described string is mended protection tester control device and is connected with described host computer also by netting twine；Described string benefit protection tester control device is mended protection device also by signal-transmitting cable with described string and is connected.
Additionally, described each current transformer includes: line current transformer, condenser current transformer, MOV current transformer, gap current transformer, platform current transformer and out-of-balance current transformer；Described line current transformer, condenser current transformer, MOV current transformer, gap current transformer, platform current transformer and out-of-balance current transformer are mended protection tester by each self-corresponding current signal cable with described string respectively and are connected；Described line current transformer, condenser current transformer, MOV current transformer, gap current transformer, platform current transformer and out-of-balance current transformer are mended protection device by each self-corresponding second optical fiber with described string the most respectively and are connected.
The transmission line of electricity string that this utility model embodiment provides mends protection test system; mended by transmission line of electricity string and protect the string benefit protection tester control device in test system to protect tester to be connected with string benefit; realize string is mended the control of protection tester; without artificial climbing operation, string is mended protection tester to be controlled; avoiding current transmission line of electricity string benefit protection test process needs more manpower to coordinate; process very complicated, and the problem that personnel and equipment are difficult to ensure that safely.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of series compensation platform of the prior art；
Fig. 2 is that transmission line of electricity string of the prior art mends protection test system structure schematic diagram；
Fig. 3 mends the structural representation of protection test system for the transmission line of electricity string that this utility model embodiment provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
As it is shown on figure 3, this utility model embodiment provides a kind of transmission line of electricity string to mend protection test system, including: string mends protection tester 31, string mends protection device 32, string is mended protection tester and controlled device 33；String is mended protection tester 31 and is connected with the current transformer 34 being used for measuring each several part electric current in series compensation platform circuit；Each current transformer 34 is mended protection device 32 with string and is connected；String benefit protection device 32 controls device 33 with string benefit protection tester and is connected；String benefit protection tester controls device 33 and protects tester 31 to be connected with going here and there to mend；String is mended protection tester control device 33 and is also connected with host computer 35.
Concrete, it is connected with string benefit protection tester 31 as it is shown on figure 3, string benefit protection tester controls device 33 by the first optical fiber 36；String is mended protection tester control device 33 and is connected with host computer 35 also by netting twine 37；String benefit protection tester control device 33 is mended protection device 32 also by signal-transmitting cable 38 with string and is connected.
Additionally, each current transformer 34 includes: line current transformer, condenser current transformer, MOV current transformer, gap current transformer, platform current transformer and out-of-balance current transformer；Line current transformer, condenser current transformer, MOV current transformer, gap current transformer, platform current transformer and out-of-balance current transformer can be mended protection tester 31 by each self-corresponding current signal cable 39 with string respectively and be connected；This line current transformer, condenser current transformer, MOV current transformer, gap current transformer, platform current transformer and out-of-balance current transformer can also be mended protection device 32 by each self-corresponding second optical fiber 40 with string respectively and be connected.
Herein; second optical fiber 40 be string mend protection device 32 normally work use optical fiber; generally; for the convenience overhauled; this string is mended protection device 32 and is additionally provided with the spare fibre of the second optical fiber 40, and therefore, the first optical fiber 36 can be used string and mend the spare fibre of protection device 32; and without again laying optical fiber, it is to avoid the fibre optic installations of redundancy.
What deserves to be explained is, above-mentioned string is mended protection tester 31 and can be arranged on series compensation platform, and goes here and there benefit protection tester and control device 33 and string and mend protection device 32 and all can be arranged at string and mend and control little indoor.
The transmission line of electricity string that this utility model embodiment provides mends protection test system; mended by transmission line of electricity string and protect the string benefit protection tester control device in test system to protect tester to be connected with string benefit; realize string is mended the control of protection tester; without artificial climbing operation, string is mended protection tester to be controlled; avoiding current transmission line of electricity string benefit protection test process needs more manpower to coordinate; process very complicated, and the problem that personnel and equipment are difficult to ensure that safely.
Applying specific embodiment in this utility model to be set forth principle of the present utility model and embodiment, the explanation of above example is only intended to help to understand method of the present utility model and core concept thereof；Simultaneously for one of ordinary skill in the art, according to thought of the present utility model, the most all will change, in sum, this specification content should not be construed as restriction of the present utility model.
Claims (3)
1. a transmission line of electricity string mends protection test system, it is characterised in that including: string mends protection tester, string mends protection device, string is mended protection tester and controlled device；Described string is mended protection tester and is used for measuring the current transformer of each several part electric current in series compensation platform circuit and being connected；Each current transformer is mended protection device with described string and is connected；Described string benefit protection device controls device with described string benefit protection tester and is connected；Described string benefit protection tester control device is mended with described string and is protected tester to be connected；Described string is mended protection tester control device and is also connected with host computer.
Transmission line of electricity string the most according to claim 1 mends protection test system, it is characterised in that described string benefit protection tester is controlled device and is connected with described string benefit protection tester by the first optical fiber；Described string is mended protection tester control device and is connected with described host computer also by netting twine；Described string benefit protection tester control device is mended protection device also by signal-transmitting cable with described string and is connected.
Transmission line of electricity string the most according to claim 1 mends protection test system; it is characterized in that, described each current transformer includes: line current transformer, condenser current transformer, MOV current transformer, gap current transformer, platform current transformer and out-of-balance current transformer；Described line current transformer, condenser current transformer, MOV current transformer, gap current transformer, platform current transformer and out-of-balance current transformer are mended protection tester by each self-corresponding current signal cable with described string respectively and are connected；Described line current transformer, condenser current transformer, MOV current transformer, gap current transformer, platform current transformer and out-of-balance current transformer are mended protection device by each self-corresponding second optical fiber with described string the most respectively and are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620244938.2U CN205427082U (en) | 2016-03-28 | 2016-03-28 | Transmission line series compensation protection test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620244938.2U CN205427082U (en) | 2016-03-28 | 2016-03-28 | Transmission line series compensation protection test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205427082U true CN205427082U (en) | 2016-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620244938.2U Expired - Fee Related CN205427082U (en) | 2016-03-28 | 2016-03-28 | Transmission line series compensation protection test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205427082U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105785186A (en) * | 2016-03-28 | 2016-07-20 | 北京锐创新智科技有限公司 | Series compensated protection test system, method and device of power transmission lines |
| CN110308353A (en) * | 2019-07-23 | 2019-10-08 | 中国南方电网有限责任公司超高压输电公司南宁局 | String mends sensor tester and test method |
| CN112986742A (en) * | 2021-03-31 | 2021-06-18 | 国网河南省电力公司检修公司 | Extra-high voltage series compensation protection test method |
-
2016
- 2016-03-28 CN CN201620244938.2U patent/CN205427082U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105785186A (en) * | 2016-03-28 | 2016-07-20 | 北京锐创新智科技有限公司 | Series compensated protection test system, method and device of power transmission lines |
| CN110308353A (en) * | 2019-07-23 | 2019-10-08 | 中国南方电网有限责任公司超高压输电公司南宁局 | String mends sensor tester and test method |
| CN112986742A (en) * | 2021-03-31 | 2021-06-18 | 国网河南省电力公司检修公司 | Extra-high voltage series compensation protection test method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20210328 |
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| CF01 | Termination of patent right due to non-payment of annual fee |