CN205139276U - Local relay protection testing system of intelligent substation - Google Patents
Local relay protection testing system of intelligent substation Download PDFInfo
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- CN205139276U CN205139276U CN201520912419.4U CN201520912419U CN205139276U CN 205139276 U CN205139276 U CN 205139276U CN 201520912419 U CN201520912419 U CN 201520912419U CN 205139276 U CN205139276 U CN 205139276U
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- 238000012360 testing method Methods 0.000 title claims abstract description 95
- 230000001681 protective effect Effects 0.000 claims description 54
- 230000000977 initiatory effect Effects 0.000 claims description 10
- 239000013307 optical fiber Substances 0.000 claims description 8
- 239000000835 fiber Substances 0.000 abstract 1
- 238000013522 software testing Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model discloses a local relay protection testing system of intelligent substation, it includes: password ware, relay protection tester, switch and local control terminal, the output of password ware is connected with the start -up end at local control terminal, the first output and the switch at local control terminal are connected, issue the test enabled instruction, the relay protection tester sets up in intelligent substation, the messenger of relay protection tester can hold and be connected through the switch and the first output at local control terminal, in order to receive the test enabled instruction that sends at the local control terminal, many protection device's in a plurality of outputs of relay protection tester and the intelligent substation test interface passes through optic fibre and is connected one by one, the network interface that the input of relay protection tester passes through switch and multiple protection device is connected, with discernment await measuring the examination protection device. The utility model discloses an above -mentioned technical scheme has improved the security of protection device test, has improved efficiency of software testing.
Description
Technical field
The utility model relates to the field tests of substation relay protection device, particularly the local reaying protection test system of a kind of intelligent substation.
Background technology
The protective relaying device of transformer station is the core of protecting electrical power system, the correctness of its logic and setting to be related to when electric system is broken down isolating switch can tripping rapidly and accurately to excise fault, thus ensure the stable operation of electric system.Therefore, the debug process of protective relaying device is extremely important, and it directly affects correct operation and the power system stability operation of protective relaying device.
In prior art, when maintainer debugs protective device, can be able to implement, as this reduced the security of electric system without mandate; In addition, when having multiple protective device in intelligent substation, several times protective device need be connected to relay-protection tester, reduce testing efficiency.
Summary of the invention
In order at least solve exist in prior art protective device is debugged time security low problem, the utility model embodiment provides the local reaying protection test system of a kind of intelligent substation, and it comprises: scrambler, relay-protection tester, switch and local control terminal; The output terminal of described scrambler is connected with the start end of described local control terminal; First output terminal of described local control terminal is connected with described switch, issues test initiation command; Described relay-protection tester is arranged in intelligent substation; the Enable Pin of described relay-protection tester is connected with the first output terminal of described local control terminal by described switch; to receive the test initiation command that described local control terminal sends; multiple output terminal of described relay-protection tester is connected by optical fiber one by one with the test interface of the multiple protective device in described intelligent substation; the input end of described relay-protection tester is connected with the network interface of multiple described protective device by described switch, to identify protective device to be tested.
In the local reaying protection test system of intelligent substation as above; preferably; the output interface of described protective device is connected by the intelligent terminal of optical fiber with described intelligent substation, and described intelligent terminal is connected by the isolating switch of cable and described intelligent substation and disconnector.
In the local reaying protection test system of intelligent substation as above, preferably, the local reaying protection test system of described intelligent substation also comprises printer, and the input end of described printer is connected with the second output terminal of described local control terminal.
In the local reaying protection test system of intelligent substation as above, preferably, described scrambler is fingerprint machine.
In the local reaying protection test system of intelligent substation as above, preferably, each output terminal of described relay-protection tester has mark, and described mark is for characterizing the type of the protective device be connected with described output terminal.
The beneficial effect that the embodiment that the utility model provides is brought is as follows:
The security that protective device is tested is improve by arranging scrambler; Realize once accessing multiple protective device by network ip address, and the kind of energy identification protecting device, improve testing efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the local reaying protection test system of a kind of intelligent substation that the utility model provides;
Wherein, in figure, symbol description is as follows:
1 scrambler, 2 local control terminals, 3 switches, 4 relay-protection testers, 5 protective devices, 6 printers, 7 intelligent terminals, 80 netting twines, 81 optical fiber, 82 cables, 91 isolating switchs, 92 disconnectores.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
See Fig. 1, the utility model provides the local reaying protection test system of a kind of intelligent substation, and it comprises: scrambler 1, local control terminal 2, switch 3 and relay-protection tester 4, and aforementioned several device is all arranged in intelligent substation.
Stable operation due to electric system is that productive life is able to the normal powerful guarantee run; and whether the local reaying protection test system of intelligent substation obtains the stable operation that reasonable employment is related to electric system; therefore this Operation system setting scrambler 1, it is for output system enabling signal.During application; the operator belonging to the local reaying protection test system of this intelligent substation by scrambler 1 output system enabling signal to start local control terminal 2; thus operator just can be made to carry out next step operation, ensure that the security of the local reaying protection test system of intelligent substation.In order to improve level of security, scrambler 1 is preferably fingerprint machine.
Test initiation command for generating test initiation command after receiving system enabling signal, and is handed down to relay-protection tester 4 and tests to control relay-protection tester 4 pairs of protective devices 5 by local control terminal 2.Local control terminal 2 is connected with switch 3 by netting twine 80, and relay-protection tester 4 is connected with switch 3 by netting twine 80, thus realizes the information transmission between local control terminal 2 and relay-protection tester 4.In reality, local control terminal 2 can for being loaded with the computer of template file, and this template file comprises the test item corresponding with variety classes protective device 5 and detection ordering.
Relay-protection tester 4 is arranged in intelligent substation, for after receiving the test initiation command that issues of local control terminal 2, generates the test volume of the protective device 5 corresponding with this test initiation command, to carry out dosage test to this protective device 5.The Enable Pin of relay protection test device instrument 4 is connected with the first output terminal of local control terminal 2 by switch 3, to receive the test initiation command that local control terminal 2 sends, relay-protection tester 4 multiple output terminal be connected one by one by optical fiber 81 with the test interface of the multiple stage protective device 5 in intelligent substation, the input end of relay-protection tester 4 is connected with the network interface of protective device 5 by switch 3, to identify protective device 5 to be tested, particularly, in intelligent substation, often kind of protective device has an independently IP address, by identifying that the IP address of different protective device identifies this protective device, thus realize selecting protective device 5 to be tested from multiple (or claiming multiple stage) protective device 5, then dosage test is carried out to protective device 5 to be tested.
When deciliter action testing protective device 5 pairs of isolating switchs 91 and disconnector 92; the output interface of protective device 5 is connected with the intelligent terminal 7 of intelligent substation by optical fiber 81, and intelligent terminal 7 is connected the control realized isolating switch and disconnector by the isolating switch 91 of cable 81 and intelligent substation and disconnector 92.
For the ease of operator's analytical test result, the local reaying protection test system of intelligent substation also comprises printer 6, and the input end of printer 6 is connected with the second output terminal of local control terminal 2.
Each output terminal of relay-protection tester 4 has mark, identifies the type for characterizing the protective device be connected with output terminal, so can the type of identification protecting device fast, thus improves testing efficiency.
In order to improve testing efficiency further, local control terminal is specifically used for, according to dissimilar protective device, being previously stored with corresponding template file, and this template file comprises test item sequence and the detection ordering of often kind of protective device.After test initiation command sends, the type of local control terminal meeting identification protecting device, and perform test item one by one according to the detection ordering of corresponding protective device, test item is used to indicate relay-protection tester execution and tests protective device.
The definite value related to due to different test event is different with soft pressing plate, and in automatic testing process, local control terminal can automatically revise protective device definite value according to different test events and soft pressing plate is moved back in throwing.Particularly first can fetch protection device configuration information; this configuration information comprises the definite value of protective device; soft pressing plate; and carry out backup, for test provides safety assurance, at the end of test; can again contrast configuration information; if test is changed former configuration information, so after test terminates, the backup before automatically recovering.
If test item is the project manually completed, then local control terminal can carry out information prompting to instruct user to complete the operation relevant to this test item to user, after having operated, presses continuation key and proceeds test, thus complete whole test process.
If test item is relay protective scheme test event; local control terminal can Lookup protocol test parameter control relay-protection tester and complete test; the action message of all right automatic acquisition protection of local control terminal; automatic decision test result; and the test report of Auto-writing standard form, thus finished item detects.Need in prior art artificial select test module, artificially throws the soft pressing plate moved back, artificial optimum configurations, the test duration of manual control, the action message of artificially reading, the people calculated fill in and the test report arranged; the local reaying protection test system of intelligent substation is used automatically to complete; really accomplish that " one-touch " is tested, saved manpower and time greatly.To sum up, the utility model has manufactured the local reaying protection test system of intelligent substation of complete set, i.e. Relay Protection Automatic Testing System, for protective device inspection provides a standardization and high efficiency solution, can meet the demand of user to the one-touch test of protective device; Meanwhile, the automatic test of optical fiber power, attenuation is realized.Compared with conventional test methods, this system can carry out testing according to the testing scheme of editor automatically, can automatic decision test result, can Auto-writing test record in standard Word report template, automatically generate test report.
The local reaying protection test system of intelligent substation not only for test whether can control isolating switch and disconnector deciliter, also for automatically complete various protective device transmission test, automatically generate test report.As controlled relay-protection tester to main transformer protection device dosage, whether test transform er differential protection can correct operation, and whether trip boundary condition meets definite value, and whether pressing plate function is correct.Because the protective device in transformer station has multiple, for the ease of testing multiple protective device, in other enforcement, relay-protection tester comprises recognition device and proving installation; Recognition device is used for identification protecting device kind, and the input/output terminal of recognition device is connected with the input/output terminal of protective device; The input end of proving installation is connected with the output terminal of recognition device, and the output terminal of proving installation, as the output terminal of relay protection instrument, is connected with the test interface of protective device.The quantity of proving installation can be multiple, the kind one_to_one corresponding of multiple proving installation and protective device, and the output terminal of recognition device selects to hold with the sheet of multiple proving installation and is connected, thus completes the test to certain protective device fast.
In sum, the utility model improves by arranging scrambler the security tested protective device; Realize once accessing multiple protective device by network ip address, and the kind of energy identification protecting device, improve testing efficiency.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. the local reaying protection test system of intelligent substation, is characterized in that, the local reaying protection test system of described intelligent substation comprises: scrambler, relay-protection tester, switch and local control terminal;
The output terminal of described scrambler is connected with the start end of described local control terminal;
First output terminal of described local control terminal is connected with described switch, issues test initiation command;
Described relay-protection tester is arranged in intelligent substation; the Enable Pin of described relay-protection tester is connected with the first output terminal of described local control terminal by described switch; to receive the test initiation command that described local control terminal sends; multiple output terminal of described relay-protection tester is connected by optical fiber one by one with the test interface of the multiple protective device in described intelligent substation; the input end of described relay-protection tester is connected with the network interface of multiple described protective device by described switch, to identify protective device to be tested.
2. the local reaying protection test system of intelligent substation according to claim 1; it is characterized in that; the output interface of described protective device is connected by the intelligent terminal of optical fiber with described intelligent substation, and described intelligent terminal is connected by the isolating switch of cable and described intelligent substation and disconnector.
3. the local reaying protection test system of intelligent substation according to claim 1; it is characterized in that; the local reaying protection test system of described intelligent substation also comprises printer, and the input end of described printer is connected with the second output terminal of described local control terminal.
4. the local reaying protection test system of intelligent substation according to claim 1, it is characterized in that, described scrambler is fingerprint machine.
5. the local reaying protection test system of intelligent substation according to claim 1, it is characterized in that, each output terminal of described relay-protection tester has mark, and described mark is for characterizing the type of the protective device be connected with described output terminal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520912419.4U CN205139276U (en) | 2015-11-16 | 2015-11-16 | Local relay protection testing system of intelligent substation |
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| CN201520912419.4U CN205139276U (en) | 2015-11-16 | 2015-11-16 | Local relay protection testing system of intelligent substation |
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| CN205139276U true CN205139276U (en) | 2016-04-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105467233A (en) * | 2015-11-16 | 2016-04-06 | 国家电网公司 | Intelligent substation local relay protection test system |
| CN109507574A (en) * | 2018-11-19 | 2019-03-22 | 国网新疆电力有限公司塔城供电公司 | The test method and device of relay protection device |
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2015
- 2015-11-16 CN CN201520912419.4U patent/CN205139276U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105467233A (en) * | 2015-11-16 | 2016-04-06 | 国家电网公司 | Intelligent substation local relay protection test system |
| CN105467233B (en) * | 2015-11-16 | 2018-07-27 | 国家电网公司 | Intelligent substation local reaying protection test system |
| CN109507574A (en) * | 2018-11-19 | 2019-03-22 | 国网新疆电力有限公司塔城供电公司 | The test method and device of relay protection device |
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