CN205176250U - Long -term electrified performance of electronic transformer examination secondary and a wiring system - Google Patents
Long -term electrified performance of electronic transformer examination secondary and a wiring system Download PDFInfo
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- CN205176250U CN205176250U CN201520856757.0U CN201520856757U CN205176250U CN 205176250 U CN205176250 U CN 205176250U CN 201520856757 U CN201520856757 U CN 201520856757U CN 205176250 U CN205176250 U CN 205176250U
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- 230000007774 longterm Effects 0.000 title claims abstract description 22
- 238000012544 monitoring process Methods 0.000 claims abstract description 39
- 238000003012 network analysis Methods 0.000 claims abstract description 16
- 239000012212 insulator Substances 0.000 claims abstract description 6
- 210000004027 cell Anatomy 0.000 claims description 32
- 238000012795 verification Methods 0.000 claims description 11
- 238000012428 routine sampling Methods 0.000 claims description 2
- VMQPMGHYRISRHO-UHFFFAOYSA-N benzvalene Chemical group C1=CC2C3C1C32 VMQPMGHYRISRHO-UHFFFAOYSA-N 0.000 abstract 1
- 238000001514 detection method Methods 0.000 abstract 1
- 238000004445 quantitative analysis Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000047 product Substances 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 230000003287 optical effect Effects 0.000 description 1
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Abstract
The utility model provides a long -term electrified performance of electronic transformer examination secondary and a wiring system, the electronic transformer station in the access module in the secondary wiring system all is connected to the monitoring analytic unit, the monitoring analytic unit is the real -time check -up unit of multichannel, network analysis and trouble record ripples device, electric energy quantitative analysis unit or state detection device. Two symmetrical examination circuits that set up rise the stream ware including setting up, set up at the examination station subassembly and the earthing switch that rise stream ware both sides in the wiring system, examination station subassembly includes interconnect's electronic type current transformer examination station and electronic voltage transformer examination station, all is equipped with the benzvalene form insulator between every device. The utility model provides a system, comprehensive, accurate and effectual long term stability and the reliability that has realized examination electronic transformer in the laboratory has effectively reduced the fault rate of electronic transformer at intelligent substation, and then has improved the operational reliability who installs electronic transformer's intelligent substation.
Description
Technical field
The utility model relates to charged electric power apparatus examination technical field, is specifically related to the long-term chargeding performance examination secondary of a kind of electronic mutual inductor and primary connection system.
Background technology
As the electronic mutual inductor of a collecting device, for electric system electric energy metrical, relay protection and measure and control device provide electric current, voltage signal, its job stability and reliability directly affect safe, reliable, the economical operation of electric system.Electronic mutual inductor is as new transformer, its sensing principle and structure are different from traditional electromagnetic transformer all very greatly, add electronic circuit technology, optical technology, the communication technology, therefore, need to provide a kind of measuring technology of improvement to measure the operating characteristic of electronic mutual inductor.
At present, there is application number to be 2015100305023 and be called that " one is applicable to the charged evaluating platform of GIS electronic mutual inductor " is studied the examination of the long-term chargeding performance of electronic mutual inductor, but under the situation that, working time immature in Current electronic formula mutual inductor technology be long, lack experience, the research there is no method accurately, comprehensively and the effective method realizing carrying out the long-term chargeding performance of the electronic mutual inductor of all types primary connection or secondary connection examination.
Therefore, how designing a kind of scheme that can realize accurate, thoroughly evaluating to the long-term chargeding performance of electronic mutual inductor and examination, is the problem that this area needs to solve.
Utility model content
In view of this, the long-term chargeding performance examination secondary of a kind of electronic mutual inductor that the utility model provides and primary connection system, this secondary and primary connection system comprehensively, accurately and effectively achieve long-time stability and the reliability of the electronic mutual inductor examining all kinds combination in the lab, and the mode of connection of its examination simultaneously contains the various ways of primary connection and secondary connection; Effectively reduce the failure rate of electronic mutual inductor at intelligent substation, and then improve the operational reliability of the intelligent substation being provided with electronic mutual inductor.
The purpose of this utility model is achieved through the following technical solutions:
A kind of electronic mutual inductor long-term chargeding performance secondary connection checking system, described checking system comprises interconnective access module and monitoring analysis unit;
Described access module is provided with the electronic mutual inductor station installing tested electronic mutual inductor, and described electronic mutual inductor station is connected to described monitoring analysis unit.
Preferably, described electronic mutual inductor station is connected with merge cells; Described merge cells is connected to described monitoring analysis unit.
Preferably, described monitoring analysis unit is the real-time verification unit of hyperchannel, and the real-time verification unit of described hyperchannel comprises interconnective time synchronism apparatus and hyperchannel real-time electronic formula mutual-inductor tester;
Described time synchronism apparatus connects each described merge cells respectively;
Described hyperchannel real-time electronic formula mutual-inductor tester is connection standard voltage transformer (VT), standard current transformer and merge cells described in each respectively.
Preferably, described monitoring analysis unit is network analysis and fault wave recording device;
Described network analysis is connected with described merge cells with fault wave recording device.
Preferably, described monitoring analysis unit is Analysis of energy metering unit; Described Analysis of energy metering unit comprises interconnective time synchronism apparatus and analysis device;
Described time synchronism apparatus and analysis device are connected with described merge cells respectively;
Described analysis device is connected with standard potential transformer and standard current transformer.
Preferably, described monitoring analysis unit is condition checkout gear;
Described condition checkout gear is connected with described merge cells.
Preferably, described merge cells is that routine sampling merges instrument.
A kind of electronic mutual inductor long-term chargeding performance primary connection checking system, described system comprises two symmetrically arranged examination circuits;
Described examination circuit comprises the current lifting device being arranged on described examination wire center place, the examination station assembly being separately positioned on described current lifting device both sides and grounding switch;
Described examination station assembly is included in interconnective electronic current mutual inductor examination station and electronic type voltage transformer examination station on described examination circuit, and the described electronic type voltage transformer examination station in each described examination station assembly is all arranged on the position of described current lifting device;
Disc insulator is equipped with between each device of described examination circuit.
Preferably, the isolated operation of described examination circuit, the both sides of described current lifting device are respectively equipped with voltage transformer (VT) summation current transformer.
Preferably, 2 described examination circuits are symmetrical arranged and connect for loop is run; Disconnector is respectively equipped with between 2 on described loop described examination circuits.
As can be seen from above-mentioned technical scheme, the utility model provides the long-term chargeding performance examination secondary of a kind of electronic mutual inductor and primary connection system, and the electronic mutual inductor station in the access module in secondary connection system is all connected to monitoring analysis unit; Monitoring analysis unit is the real-time verification unit of hyperchannel, network analysis and fault wave recording device, Analysis of energy metering unit or condition checkout gear.In primary connection system, two symmetrically arranged examination circuits comprise and arrange current lifting device, are arranged on the examination station assembly of current lifting device both sides and grounding switch; Examination station assembly comprises interconnective electronic current mutual inductor examination station and electronic type voltage transformer examination station, is equipped with disc insulator between each device.The system that the utility model proposes, comprehensively, accurately and effectively achieve the long-time stability and reliability of examining electronic mutual inductor in the lab, effectively reduce the failure rate of electronic mutual inductor at intelligent substation, and then improve the operational reliability of the intelligent substation being provided with electronic mutual inductor.
With immediate prior art ratio, the technical scheme that the utility model provides has following excellent effect:
1, technical scheme provided by the utility model, accurately and effectively achieve the long-time stability and reliability of examining electronic mutual inductor in the lab, effectively reduce the failure rate of electronic mutual inductor at intelligent substation, and then improve the operational reliability of the intelligent substation being provided with electronic mutual inductor.
2, technical scheme provided by the utility model, primary connection system comprehensively, accurately and effectively achieves long-time stability and the reliability of the electronic mutual inductor examining all kinds combination in the lab, and the mode of connection of its examination simultaneously contains the various ways of primary connection and secondary connection; Effectively reduce the failure rate of electronic mutual inductor at intelligent substation, and then improve the operational reliability of the intelligent substation being provided with electronic mutual inductor.
3, the technical scheme that provides of the utility model, is widely used, has significant Social benefit and economic benefit in intelligent grid.
Accompanying drawing explanation
Fig. 1 is the wiring schematic diagram of the real-time verification unit of hyperchannel of a kind of electronic mutual inductor of the present utility model long-term chargeding performance secondary connection checking system;
Fig. 2 is the network analysis of secondary connection checking system of the present utility model and the wiring schematic diagram of fault wave recording device;
Fig. 3 is the wiring schematic diagram of the Analysis of energy metering unit of secondary connection checking system of the present utility model;
Fig. 4 is the wiring schematic diagram of the state monitoring apparatus of secondary connection checking system of the present utility model;
Fig. 5 is the wiring schematic diagram of a kind of electronic mutual inductor of the present utility model long-term chargeding performance primary connection checking system.
Wherein, 1-access module; 101-electronic mutual inductor station; 102-merge cells; 2-monitoring analysis unit; The real-time verification unit of 201-hyperchannel; 202-network analysis and fault wave recording device; 203-Analysis of energy metering unit; 204-state monitoring apparatus; 3-time synchronism apparatus; 4-hyperchannel real-time electronic formula mutual-inductor tester; 401-standard potential transformer; 402-standard current transformer; 5-analysis device; 6-grounding switch; 7-current lifting device; 8-examines station assembly; 801-electronic current mutual inductor examination station; 802-electronic type voltage transformer examination station; 9-disconnector; 10-disc insulator.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on embodiment of the present utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figures 1 to 4, the utility model provides a kind of electronic mutual inductor long-term chargeding performance secondary connection checking system, and checking system comprises interconnective access module 1 and monitoring analysis unit 2;
Be provided with the electronic mutual inductor station 101 for installing tested electronic mutual inductor in access module 1, tested electronic mutual inductor 101 is all connected to monitoring analysis unit 2;
Monitoring analysis unit 2 is the real-time verification unit 201 of hyperchannel, network analysis and fault wave recording device 202, Analysis of energy metering unit 203 or state monitoring apparatus 204;
And the real-time verification unit 201 of hyperchannel, network analysis are all connected with access module 1 with fault wave recording device 202, Analysis of energy metering unit 203 and state monitoring apparatus 204.
Wherein, access module 1 comprises electronic mutual inductor station 101 and merge cells 102;
Each merge cells 102 is connected to one or more tested electronic mutual inductor 101;
Whole merge cellses 102 is all connected to monitoring analysis unit 2.
As shown in Figure 1, if monitoring analysis unit is the real-time verification unit of hyperchannel, the real-time verification unit of hyperchannel 201 comprises interconnective time synchronism apparatus 3 and hyperchannel real-time electronic formula mutual-inductor tester 4;
Time synchronism apparatus 3 is all connected with whole merge cellses 102 with hyperchannel real-time electronic formula mutual-inductor tester 4;
Hyperchannel real-time electronic formula mutual-inductor tester 4 is connected with standard potential transformer 401 and standard current transformer 402, namely treat that the one or more electronic current/voltage transformer (VT) (EC/VT) of test product is connected to a merge cells 102 (as PCS-221C-H3), one or more merge cells 102 is connected to the real-time tester of hyperchannel (supporting that port number is not less than 6) simultaneously, time synchronism apparatus 3 gives tester and all merge cells 102 time services simultaneously, standard current transformer 402 (CT) and standard potential transformer 401 (PT) access tester simultaneously, as error checking standard signal.
As shown in Figure 2, monitoring analysis unit is network analysis and fault wave recording device 202;
Network analysis is connected with access module 1 with fault wave recording device 202, namely treat that the one or more electronic current/voltage transformer (VT) (EC/VT) of test product is connected to a merge cells 102 (as PCS-221C-H3) simultaneously, one or more merge cells 102 is connected to network analysis and fault wave recording device 202 simultaneously.
As shown in Figure 3, monitoring analysis unit is Analysis of energy metering unit 203, and Analysis of energy metering unit 203 comprises interconnective time synchronism apparatus 3 and analysis device 5;
Time synchronism apparatus 3 and analysis device 5 are all connected with whole merge cellses 102;
Analysis device 5 is connected with standard potential transformer 401 and standard current transformer 402, namely treat that the one or more electronic current/voltage transformer (VT) (EC/VT) of test product is connected to a merge cells 102 (as PCS-221C-H3), one or more merge cells 102 is connected to analysis device 5 simultaneously, time synchronism apparatus 3 gives tester and all merge cells 102 time services simultaneously, standard current transformer 402 (CT) and standard potential transformer 401 (PT) access tester, as electric energy metrical standard signal simultaneously.
As shown in Figure 4, monitoring analysis unit is condition checkout gear 204, state monitoring apparatus 204 is connected with access module 1, namely treat that the one or more electronic current/voltage transformer (VT) (EC/VT) of test product is connected to a merge cells 102 (as PCS-221C-H3) simultaneously, one or more merge cells 102 is connected to state monitoring apparatus 204 simultaneously.
As shown in Figure 5, the utility model provides a kind of electronic mutual inductor long-term chargeding performance primary connection checking system, it is characterized in that, system comprises two symmetrically arranged examination circuits;
Examination circuit comprises the current lifting device 7 being arranged on examination wire center place, the examination station assembly 8 being separately positioned on current lifting device 7 both sides and grounding switch 6;
Examination station assembly 8 is included in interconnective electronic current mutual inductor examination station 801 and electronic type voltage transformer examination station 802 on examination circuit, and the electronic type voltage transformer examination station 802 in each examination station assembly 8 is all arranged on the position of current lifting device 7;
Disc insulator 10 is equipped with between each device of examination circuit;
Examination circuit isolated operation or 2 examination circuits are symmetrical arranged and connect for loop is run;
If the isolated operation of examination circuit, then the both sides of current lifting device 7 are respectively equipped with voltage transformer (VT) summation current transformer;
If 2 examination circuits are symmetrical arranged and connect for loop is run; Disconnector 9 is respectively equipped with between 2 examination circuits then on loop.
The utility model provides a kind of embody rule example being applied to the long-term chargeding performance examination primary connection system of electronic mutual inductor or secondary connection system, comprising:
1) according to electronic mutual inductor different structure principle, GIS EC/VT, GIS EVT, AIS or DCB EC/VT, AIS or DCB EVT, external clamping type ECT can be divided into, be installed on the diverse location of charged evaluating platform by practical structures, evaluating platform can examine all electronic mutual inductor types of current intelligent substation.
2), after installation, the EC/VT being treated examination by error checking instrument is demarcated, and the error of recorded electronic formula mutual inductor in resultant journey.
3) applied the rated voltage of 5%, 80%, 100%, 120% and 150% respectively by platform, error in the gamut measuring electronic current mutual inductor respectively, can examine the change of electronic current mutual inductor accuracy of measurement under different voltage disturbance.
4) applied the rated current of 5%, 20%, 80%, 100% and 150% respectively by platform, the basic accuracy of measuring voltage mutual inductor, can examine the change of electronic type voltage transformer accuracy of measurement under different voltage disturbance respectively.
5) by network analysis and wave recording device monitor need to be tried the output data of EC/VT, function such as Sudden Changing Rate record ripple, high out-of-limit record ripple etc. is set, can comprehensive monitoring electronic mutual inductor secondary in During Process of Long-term Operation whether export data abnormal.
6) by state monitoring apparatus 204 monitor institute need examination EC/VT key state, as sensor temperature state, collecting unit state of temperature, half-wave voltage of phase modulator, light source light power etc., can comprehensive assessment electronic mutual inductor whether abnormal in During Process of Long-term Operation.
7) by electric power meter monitoring electronic mutual inductor electric energy metrical and sense current, voltage transformer (VT) difference, electronic mutual inductor can be examined the impact of electric energy metrical reliability.
8) four disconnectores 9 of difference operation test platform, whether each switch divides closing operation each 3 times, monitored electronic mutual inductor normally worked by network analysis and wave recording device, state monitoring apparatus 204.Can the switching manipulation of comprehensive assessment diverse location time, produce the electromagnetic interference (EMI) such as different superpotential to the impact of electronic mutual inductor.
9) charged evaluating platform applies 100% rated voltage continuously by transformer, current lifting device 7 applies with 8 hours 100% rated current and 5% rated current circulation in 16 hours, electronic transducer calibration instrument, network analysis and fault wave recording device 202, state monitoring apparatus 204 are waited to try electronic mutual inductor state with electric energy metrical Real-Time Monitoring, and the examination cycle is not less than 1 year.The Stability and dependability of electronic mutual inductor when can simulate different load, in different temperatures, different humidity and During Process of Long-term Operation.
10) after running 3 months, step 2 is repeated).
11) run after 6 months, repeat step 2), 8).
12) after running 9 months, step 2 is repeated).
13) after running 12 months, repeat step 2), 3), 4), 8), and supplement and carry out temperature cycling test and combination misalignment is tested, require that test structure meets corresponding class of accuracy requirement, the stability of electronic mutual inductor key property after long-time running can be examined.
14) examination terminates.
Above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; although be described in detail the utility model with reference to above-described embodiment; those of ordinary skill in the field still can modify to embodiment of the present utility model or equivalent replacement; and these do not depart from any amendment of the utility model spirit and scope or equivalent replacement, it is all being applied within the claims of the present utility model awaited the reply.
Claims (10)
1. an electronic mutual inductor long-term chargeding performance secondary connection checking system, is characterized in that, described checking system comprises interconnective access module and monitoring analysis unit;
Described access module is provided with the electronic mutual inductor station installing tested electronic mutual inductor, and described electronic mutual inductor station is connected to described monitoring analysis unit.
2. the system as claimed in claim 1, is characterized in that,
Described electronic mutual inductor station is connected with merge cells; Described merge cells is connected to described monitoring analysis unit.
3. system as claimed in claim 2, it is characterized in that, described monitoring analysis unit is the real-time verification unit of hyperchannel, and the real-time verification unit of described hyperchannel comprises interconnective time synchronism apparatus and hyperchannel real-time electronic formula mutual-inductor tester;
Described time synchronism apparatus connects each described merge cells respectively;
Described hyperchannel real-time electronic formula mutual-inductor tester is connection standard voltage transformer (VT), standard current transformer and merge cells described in each respectively.
4. system as claimed in claim 2, it is characterized in that, described monitoring analysis unit is network analysis and fault wave recording device;
Described network analysis is connected with described merge cells with fault wave recording device.
5. system as claimed in claim 2, it is characterized in that, described monitoring analysis unit is Analysis of energy metering unit; Described Analysis of energy metering unit comprises interconnective time synchronism apparatus and analysis device;
Described time synchronism apparatus and analysis device are all connected with whole described merge cellses;
Described analysis device is connected with standard potential transformer and standard current transformer.
6. system as claimed in claim 2, it is characterized in that, described monitoring analysis unit is condition checkout gear;
Described condition checkout gear is connected with described merge cells.
7. system as claimed in claim 2, is characterized in that, described merge cells is that routine sampling merges instrument.
8. an electronic mutual inductor long-term chargeding performance primary connection checking system, is characterized in that, described system comprises two symmetrically arranged examination circuits;
Described examination circuit comprises the current lifting device being arranged on described examination wire center place, the examination station assembly being separately positioned on described current lifting device both sides and grounding switch;
Described examination station assembly is included in interconnective electronic current mutual inductor examination station and electronic type voltage transformer examination station on described examination circuit, and the described electronic type voltage transformer examination station in each described examination station assembly is all arranged on the position of described current lifting device;
Disc insulator is equipped with between each device of described examination circuit.
9. system as claimed in claim 8, it is characterized in that, the isolated operation of described examination circuit, the both sides of described current lifting device are respectively equipped with voltage transformer (VT) summation current transformer.
10. system as claimed in claim 8, is characterized in that, 2 described examination circuits are symmetrical arranged and connect for loop is run; Disconnector is respectively equipped with between 2 on described loop described examination circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520856757.0U CN205176250U (en) | 2015-10-29 | 2015-10-29 | Long -term electrified performance of electronic transformer examination secondary and a wiring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520856757.0U CN205176250U (en) | 2015-10-29 | 2015-10-29 | Long -term electrified performance of electronic transformer examination secondary and a wiring system |
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| CN205176250U true CN205176250U (en) | 2016-04-20 |
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| CN201520856757.0U Active CN205176250U (en) | 2015-10-29 | 2015-10-29 | Long -term electrified performance of electronic transformer examination secondary and a wiring system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105353332A (en) * | 2015-10-29 | 2016-02-24 | 中国电力科学研究院 | Electronic transformer long-term charged performance test method and system |
| CN105785183A (en) * | 2016-03-23 | 2016-07-20 | 中国电力科学研究院 | Online self-monitoring system for electronic transformer measurement circuit |
-
2015
- 2015-10-29 CN CN201520856757.0U patent/CN205176250U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105353332A (en) * | 2015-10-29 | 2016-02-24 | 中国电力科学研究院 | Electronic transformer long-term charged performance test method and system |
| CN105353332B (en) * | 2015-10-29 | 2023-11-14 | 中国电力科学研究院 | Method and system for checking long-term electrification performance of electronic transformer |
| CN105785183A (en) * | 2016-03-23 | 2016-07-20 | 中国电力科学研究院 | Online self-monitoring system for electronic transformer measurement circuit |
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