CN205374621U - Automatic change digit relay protection of transformer substation tester - Google Patents
Automatic change digit relay protection of transformer substation tester Download PDFInfo
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- CN205374621U CN205374621U CN201521030963.2U CN201521030963U CN205374621U CN 205374621 U CN205374621 U CN 205374621U CN 201521030963 U CN201521030963 U CN 201521030963U CN 205374621 U CN205374621 U CN 205374621U
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- 238000005259 measurement Methods 0.000 abstract 2
- 238000012360 testing method Methods 0.000 description 17
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Abstract
The utility model discloses an automatic change digit relay protection of transformer substation tester, including a central processing unit and respectively connected to the time unit, light yield input unit and little signal output unit, a central processing unit be used for with the communication of industrial computer and light numerical portion input/output, with CPU synchronization and communication, to the time and little signal output, the utility model discloses can character recognition protection device, measurement and control device, intelligent terminal's definite value, can inspect protection device, measurement and control device, intelligent terminal communication uniformity.
Description
Technical field
This utility model relates to substation equipment, is specifically related to a kind of automating power substation digital relay protection tester.
Background technology
Domestic intelligent substation is currently entering the all-round construction stage.Protection device, measure and control device, intelligent terminal are as the critical piece of intelligent substation, and its performance directly influences transformer station or even intelligent grid reliability of operation.Protection device, measure and control device, intelligent terminal's operation principle be: the electric mutual inductor of transformer station process layer, chopper are connected with protection device, measure and control device, intelligent terminal etc. by optical fiber; digital signal that protection device, measure and control device, intelligent terminal are transmitted by optical fiber and switching signal, carry out corresponding action.
At present, existing digital relay protection tester is based on the test instrunment of single protection test event, can to the test protecting device, measure and control device, intelligent terminal during test.But; according to on-the-spot commissioning experience; particularly protect the debugging of device, measure and control device, intelligent terminal's monomer, utilize existing intelligent substation digital relay protection tester carry out protection device, measure and control device, intelligent terminal monomer debugging usually need to consume substantial amounts of manpower and time.Because commissioning staff needs constantly each pilot project is being tested according to full station SCD file, meanwhile, the existing intelligent substation digital relay protection tester concordance that cannot protection device, measure and control device, intelligent terminal be communicated checks.Therefore, existing digital relay protection tester is primarily present following deficiency:
1, the existing intelligent substation digital relay protection tester concordance that cannot protection device, measure and control device, intelligent terminal be communicated checks；
2, existing digital relay protection tester cannot realize intellectuality, and namely the setting of each test-types all needs through the calculating of commissioning staff and is manually entered into tester；
3, existing digital relay protection tester cannot realize being automatically read the definite value protecting device, measure and control device, intelligent terminal in process of the test, and namely the definite value of each test-types is arranged all needs checking the definite value parameter protecting device and being manually entered into tester through commissioning staff；
4, the analogue signal of existing digital relay protection tester output, transformer station can not Direct Recognition also need to change.
Utility model content
This utility model offer is a kind of can to the protection device of intelligent substation, the test testing device, intelligent terminal; and full station SCD model file can be imported automatically set testing scheme simulated field practical situation and fault for the protection device of intelligent substation, measure and control device, intelligent terminal, output meets the stipulations of intelligent substation or analog message mistake to a kind of intelligent substation digital relay protection tester protect device, measure and control device, intelligent terminal to communicate concordance and reliability checks.
The technical solution adopted in the utility model is: a kind of automating power substation digital relay protection tester, unit, light input/output unit and small-signal output unit during including CPU and connected pair of difference；
Described CPU includes two processing modules of ADSP+FPGA；ADSP includes BF518 processor, as master cpu, for communication and light numerical portion input and output with industrial computer；FPGA include XC3S500E for and communication Tong Bu with CPU, pair time and small-signal output；
When described pair, unit includes when GPS module, IRIG-B code pair module when module and IEEE1588 pair；GPS module and when IEEE1588 pair module be connected with BF518 respectively；When GPS module, IRIG-B code pair module and when IEEE1588 pair module be all connected with FPGA；
Described smooth input/output unit includes FTLF1217P2xTL module, produces the Ethernet optical information of optical module output for the Ethernet signal of telecommunication；
Described small-signal output unit includes DAC7634 module and converts digital signals into the discernible 0-7V AC signal of transformer station.
Further, described small-signal output unit is provided with protection interface.
Further, it is connected by LC interface between described smooth input/output unit and CPU.
Further, it is connected by SPI data/address bus between described CPU with small-signal output unit.
Further, described GPS module is connected with BF518 by serial communication.
Further, when described IEEE1588 pair, module is connected with BF518 by Ethernet, and BF518 obtains temporal information.
The beneficial effects of the utility model are:
(1) this utility model is capable of the test of the protection device to intelligent substation, measure and control device, intelligent terminal；
(2) this utility model can import full station SCD model file and automatically set testing scheme simulated field practical situation and fault for the protection device of intelligent substation, measure and control device, intelligent terminal；
(3) this utility model is capable of exporting the stipulations meeting intelligent substation or analog message mistake to protect device, measure and control device, the intelligent terminal concordance that communicates to check with reliability；
(4) this utility model can export, by small-signal output unit, the analogue signal that transformer station may identify which.
Accompanying drawing explanation
Fig. 1 is that this utility model connects block diagram.
Fig. 2 is this utility model each unit annexation figure.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail with specific embodiment.
A kind of automating power substation digital relay protection tester, unit, light input/output unit and small-signal output unit during including CPU and connected pair of difference；
Described CPU includes two processing modules of ADSP+FPGA；ADSP includes BF518 processor, as master cpu, for communication and light numerical portion input and output with industrial computer；FPGA include XC3S500E for and communication Tong Bu with CPU, pair time and small-signal output；CPU will control to separate process real-time up to 30ns with communication；
When described pair, unit includes when GPS module, IRIG-B code pair module when module and IEEE1588 pair；GPS module and when IEEE1588 pair module be connected with BF518 respectively；When GPS module, IRIG-B code pair module and when IEEE1588 pair module be all connected with FPGA；The absolute moment for correcting test instrunment completes the time test synchronized, it is ensured that complete test in the absolute identical time；
Described smooth input/output unit includes FTLF1217P2xTL module, produces the Ethernet optical information of optical module output for the Ethernet signal of telecommunication；There is provided and extend and GOOSE information for 9-1,9-2, the 9-1 in IEC61850 standard criterion; complete parsing protects model file; realize the configuration of current/voltage channel selecting, proportionality coefficient, ASDU number, sample rate, GOOSE information, can flexibly and easily with different model protection interface；
Described small-signal output unit includes DAC7634 module and converts digital signals into the discernible 0-7V AC signal of transformer station.
Further, described small-signal output unit is provided with protection interface.
Further, it is connected by LC interface between described smooth input/output unit and CPU；Laugh at interface area, it is possible to narrow down to the 1/3 of generic interface area.
Further, it is connected by SPI data/address bus between described CPU with small-signal output unit.
Further, described GPS module is connected with BF518 by serial communication.
Further, when described IEEE1588 pair, module is connected with BF518 by Ethernet, and BF518 obtains temporal information.
During use, pair time module correct test instrunment the absolute moment complete synchronize time test, temporal information is resolved, processes by CPU；Light input/output unit produces the Ethernet optical information of optical module output for the Ethernet signal of telecommunication, and CPU carries out processing, judging；Result after will determine that is sent to transformer station through small-signal output unit.
This utility model can to the test protecting device, measure and control device, intelligent terminal of intelligent substation; and full station SCD model file can be imported automatically set testing scheme simulated field practical situation and fault for the protection device of intelligent substation, measure and control device, intelligent terminal, output meets the stipulations of intelligent substation or analog message mistake to the effect protect device, measure and control device, intelligent terminal to communicate concordance and reliability checks.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all any amendment, equivalent replacement and improvement etc. made within spirit of the present utility model and principle, should be included within protection domain of the present utility model.
Claims (6)
1. an automating power substation digital relay protection tester, it is characterised in that: include unit, light input/output unit and small-signal output unit when CPU and connected pair of difference；
Described CPU includes two processing modules of ADSP+FPGA；ADSP includes BF518 processor, as master cpu, for communication and light numerical portion input and output with industrial computer；FPGA include XC3S500E for and communication Tong Bu with CPU, pair time and small-signal output；
When described pair, unit includes when GPS module, IRIG-B code pair module when module and IEEE1588 pair；GPS module and when IEEE1588 pair module be connected with BF518 respectively；When GPS module, IRIG-B code pair module and when IEEE1588 pair module be all connected with FPGA；
Described smooth input/output unit includes FTLF1217P2xTL module, produces the Ethernet optical information of optical module output for the Ethernet signal of telecommunication；
Described small-signal output unit includes DAC7634 module and converts digital signals into the discernible 0-7V AC signal of transformer station.
2. a kind of automating power substation digital relay protection tester according to claim 1, it is characterised in that: described small-signal output unit is provided with protection interface.
3. a kind of automating power substation digital relay protection tester according to claim 1, it is characterised in that: it is connected by LC interface between described smooth input/output unit and CPU.
4. a kind of automating power substation digital relay protection tester according to claim 1, it is characterised in that: it is connected by SPI data/address bus between described CPU with small-signal output unit.
5. a kind of automating power substation digital relay protection tester according to claim 1, it is characterised in that: described GPS module is connected with BF518 by serial communication.
6. a kind of automating power substation digital relay protection tester according to claim 1, it is characterised in that: when described IEEE1588 pair, module is connected with BF518 by Ethernet, and BF518 obtains temporal information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521030963.2U CN205374621U (en) | 2015-12-11 | 2015-12-11 | Automatic change digit relay protection of transformer substation tester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521030963.2U CN205374621U (en) | 2015-12-11 | 2015-12-11 | Automatic change digit relay protection of transformer substation tester |
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| CN205374621U true CN205374621U (en) | 2016-07-06 |
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| CN201521030963.2U Active CN205374621U (en) | 2015-12-11 | 2015-12-11 | Automatic change digit relay protection of transformer substation tester |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403793A (en) * | 2015-12-11 | 2016-03-16 | 国网四川省电力公司阿坝供电公司 | Automatic transformer station digital relay protection tester |
| CN111049610A (en) * | 2019-12-12 | 2020-04-21 | 长园深瑞继保自动化有限公司 | Time synchronization management tester for testing relay protection device |
-
2015
- 2015-12-11 CN CN201521030963.2U patent/CN205374621U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403793A (en) * | 2015-12-11 | 2016-03-16 | 国网四川省电力公司阿坝供电公司 | Automatic transformer station digital relay protection tester |
| CN111049610A (en) * | 2019-12-12 | 2020-04-21 | 长园深瑞继保自动化有限公司 | Time synchronization management tester for testing relay protection device |
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