CN203722340U - Merging unit intelligent terminal integrated device suitable for high and cold regions - Google Patents
Merging unit intelligent terminal integrated device suitable for high and cold regions Download PDFInfo
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- CN203722340U CN203722340U CN201320892784.4U CN201320892784U CN203722340U CN 203722340 U CN203722340 U CN 203722340U CN 201320892784 U CN201320892784 U CN 201320892784U CN 203722340 U CN203722340 U CN 203722340U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
Abstract
The utility model relates to a merging unit intelligent terminal integrated device suitable for high and cold regions. The device comprises a shell and a signal processing circuit which is arranged in the shell. The signal processing circuit comprises a merging unit, an intelligent terminal, a CPU processing unit, an SV communication module and a GOOSE communication module. The CPU processing unit is connected with a mutual inductor via the merging unit. The CPU processing unit is connected with an unintelligent switch element via an input signal acquisition module and a control output module respectively. A data transmission channel with a spacing-layer intelligent electronic device is established by the CPU processing unit via the SV communication module, and a bidirectional information exchange channel with the spacing-layer intelligent electronic device is established via the GOOSE communication module. The device is simple in structure and reasonable in design, and the merging unit and the intelligent terminal are integrated in design so that a circuit structure of a transformer station system is simplified, system network resource utilization rate is enhanced, environment adaptability is high, application range is wide, operation is stable and reliable, and use and maintenance are simple and convenient.
Description
Technical field
The utility model relates to a kind of electric power system secondary protector, particularly relates to a kind of merge cells intelligent terminal integrated device that is applicable to extremely frigid zones.
Background technology
At present, intelligent substation is leading the developing direction of domestic transformer substation construction, is the inexorable trend of future substation development.Traditional primary equipment (routine transformer, circuit breaker etc.) cannot meet the construction requirements of intelligent substation at present, and this just need to, to its upgrading that undergoes technological transformation, make it meet intelligentized requirement by increasing intelligent assembly.Intelligentized primary equipment (electronic mutual inductor, intelligent breaker etc.) has started to put into operation in intelligent substation thus, but due to reasons such as R&D cycle, technology and manufacturing process, this series products at present at the scene operation all be not so good as traditional primary equipment stablize, need often exchange device more, brought huge economic loss and operation risk.In addition, it is also quite difficult that the huge existing primary equipment of quantity will all be realized intellectualized reconstruction, and quantities is huge, high cost.
Merge cells and intelligent terminal are the exemplary apparatus in transformer station process layer.Merge cells is for sampling and preliminary treatment to electric current, the voltage signal of an instrument transformer output, and data after treatment send to wall intelligent electronic device with specific format again after CPU processing unit processes; Intelligent terminal is responsible for gathering the state relevant to non intelligent switchgear (circuit breaker, isolating switch, grounding switch etc.) and is opened into signal, and is responsible for the breaker tripping and closing operation of the non intelligent switchgear of control command control sending according to wall intelligent electronic device.
But, in practical engineering application, expose following problem:
1, merge cells and intelligent terminal are separate, and grid resource is repeated to take, and make system numerous and diverse, have increased quantities and the difficulty of transformer substation construction construction simultaneously, have increased the weight of attendant's service work.
2, in the severe cold area of high latitude, conventionally need outdoor control cubicle to take heating measure to meet the requirements such as the heating and ventilation of equipment, increase the potential safety hazards such as fire.
3, the device such as merge cells, intelligent terminal is in the other installation on the spot of high-tension apparatus, and electromagnetic field and climatic environment are very harsh, and signals collecting is produced to greatly impact, therefore the interference free performance of device are proposed to high requirement.
Summary of the invention
The purpose of this utility model is to overcome the weak point existing in above-mentioned technology, provide that a kind of circuit structure is simple, reasonable in design, working stability is reliable, working service is easy, applied range, can ensure the merge cells intelligent terminal integrated device that is applicable to extremely frigid zones of normal work at low temperatures.
In order to achieve the above object, the technical solution adopted in the utility model is: comprise housing and be arranged on the signal processing circuit in housing, described signal processing circuit comprises merge cells, intelligent terminal, CPU processing unit, SV communication module and GOOSE communication module, intelligent terminal comprises to be left into signal acquisition module, control output module, described CPU processing unit is connected with the instrument transformer of transformer station by merge cells, merge cells is for the electric current to instrument transformer, voltage signal is sampled and preliminary treatment, described CPU processing unit is respectively by opening into signal acquisition module, controlling output module is connected with the non intelligent switch element of transformer station, open into signal acquisition module for gathering the opening into signal of non intelligent switch element, the control command of sending the breaker tripping and closing that complete non intelligent switch element operate for receiving wall intelligent electronic device to control output module, described CPU processing unit is also set up data transmission channel by SV communication module and wall intelligent electronic device, SV communication module is for sending to wall intelligent electronic device after sampled data coding after treatment, described CPU processing unit is also set up bi-directional exchanges of information passage by GOOSE communication module and wall intelligent electronic device, GOOSE communication module is for sending to wall intelligent electronic device by opening into signal of non intelligent switch element, obtain control command from wall intelligent electronic device simultaneously, send to control output module through CPU processing unit.
The utility model has the advantages that:
1, simple in structure, reasonable in design, merge cells and intelligent terminal are carried out to integrated design, simplify the circuit structure of transformer substation system, improve grid resource utilization, the quantities that has simultaneously reduced transformer substation construction construction, has reduced difficulty of construction and cost, and working service is easy;
2, merge cells adopts two kinds of input interfaces, both can be used for the electric parameters of traditional primary equipment outputs such as routine transformer to gather, can realize again the digital quantity signal of the intelligent primary equipment outputs such as electronic mutual inductor is gathered, practical, applied range;
3, adopt high reliability, the wide low form components and parts of operating ambient temperature, ensured product normal start-up and operation under low temperature environment, thereby cancelled the requirement of outdoor control cubicle to heating and ventilation, reduced the potential safety hazards such as fire;
4, adopt dual filtering algorithm, improved the interference free performance of product, environmental suitability is strong, and working stability is reliable, brings greater advantage to the installation on the spot of product.
Brief description of the drawings
Fig. 1 is schematic block circuit diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
As shown in Figure 1, the utility model comprises housing and is arranged on the signal processing circuit in housing, described signal processing circuit comprises merge cells 1, intelligent terminal 10, CPU processing unit 4, SV communication module 5 and GOOSE communication module 7, intelligent terminal 10 comprises to be left into signal acquisition module 8, control output module 9, described CPU processing unit 4 is connected with the instrument transformer of transformer station by merge cells 1, merge cells 1 is for the electric current to instrument transformer, voltage signal is sampled and preliminary treatment, described CPU processing unit 4 is respectively by opening into signal acquisition module 8, controlling output module 9 is connected with the non intelligent switch element 11 of transformer station, open into signal acquisition module 8 for gathering the opening into signal of non intelligent switch element 11, the control command of sending the breaker tripping and closing that complete non intelligent switch element 11 operate for receiving wall intelligent electronic device 6 to control output module 9, described CPU processing unit 4 is also set up data transmission channel by SV communication module 5 and wall intelligent electronic device 6, SV communication module 5 is for sending to wall intelligent electronic device 6 after sampled data coding after treatment, described CPU processing unit 4 is also set up bi-directional exchanges of information passage by GOOSE communication module 7 and wall intelligent electronic device 6, GOOSE communication module 7 is for sending to wall intelligent electronic device 6 by opening into signal of non intelligent switch element 11, obtain control command from wall intelligent electronic device 6 simultaneously, send to and control output module 9 through CPU processing unit 4.
Described merge cells 1 comprises analog input and modular converter 2, digital quantity input module 3, analog input and modular converter 2 are sampled and preliminary treatment for the electric current to transformer station's routine transformer 13, voltage signal, and digital quantity input module 3 is sampled and preliminary treatment for the electric current to transformer substation electronic transducer 12, voltage signal.
A kind of merge cells intelligent terminal integrated device of the present utility model comprises housing and is arranged on the signal processing circuit being made up of merge cells 1, intelligent terminal 10, CPU processing unit 4, SV communication module 5 and GOOSE communication module 7 in housing, wherein merge cells 1 comprises analog input and modular converter 2, digital quantity input module 3, can realize the sampling of analog quantity, can realize again the collection of digital quantity, intelligent terminal 10 comprises to be left into signal acquisition module 8, control output module 9.Routine transformer 13 and electronic mutual inductor 12 are respectively by analog input and modular converter 2, digital quantity input module 3 is connected with CPU processing unit 4, analog input and the electric current of modular converter 2 for routine transformer 13 is exported, voltage signal is sampled and analog-to-digital conversion, merge, synchronously wait preliminary treatment, the electric current of digital quantity input module 3 for electronic mutual inductor 12 is exported, voltage signal is sampled and is merged, synchronously wait preliminary treatment, data after treatment become Ethernet data according to IEC61850-9-2 standard code again after CPU processing unit 4 is further processed, finally send to wall intelligent electronic device 6 via SV communication module 5, non intelligent switch element 11 is (as circuit breaker, isolating switch, grounding switch etc.) respectively by opening into signal acquisition module 8, controlling output module 9 is connected with CPU processing unit 4, open into the signal acquisition module 8 responsible collection state relevant to non intelligent switch element 11 and open into signal, this is opened signal and send to wall intelligent electronic device 6 by GOOSE communication module 7 after CPU processing unit 4 is processed, the control command that wall intelligent electronic device 6 sends needs is sent into CPU processing unit 4 by GOOSE communication module 7, after wherethrough reason, send to again and control output module 9, control output module 9 completes non intelligent switch element 11 breaker tripping and closing operation according to this control command, thereby realize defencive function.
As embodiment, the CPU processing unit that the utility model adopts is made up of elements such as the low form synchronised clocks of high performance low form MPC8377 industrial microprocessors, jumbo DDR II and FLASH memory, high reliability, has multichannel 10M/100M light/electric ethernet interface.Digital quantity input module adopts the high FT3 serial port board of reliability, and it supports IEC60044-8 (FT3) sampled value host-host protocol, and each plug-in unit can receive at most the sampled data of 6 road FT3 forms, and can expand multiple FT3 serial port boards.Analog input and modular converter are by exchanging plug-in unit and analog to digital converter forms, and each plug-in unit can Dui12 road current/voltage data gather and time correlation combination at most.GOOSE interface in SV interface and GOOSE communication module in SV communication module is configured interface quantity according to output demand, both can all be set to one, also can be arranged to multiple.The use of above-mentioned high reliability low temperature type components and parts has ensured product normal start-up and operation under low temperature environment.In addition, the utility model adopts dual filtering algorithm, first, in the time that analog quantity is sampled, carries out sampled value filtering processing, casts out abnormal sampled value, and adopts Lagrangian difference arithmetic, and the sampled value of casting out is supplemented; Secondly in the time calculating each passage effective value, employing has the difference fourier algorithm of filter function, can all harmonic components of filtering, also the high fdrequency component that filtering line distribution capacitance preferably causes, for in the short time in the time that fault is initial, exist by the aperiodic component of exponential damping, also can play good inhibitory action.Thereby, improving the interference free performance of product, working stability is reliable, brings greater advantage to the installation on the spot of product.
Claims (2)
1. one kind is applicable to the merge cells intelligent terminal integrated device of extremely frigid zones, comprise housing and be arranged on the signal processing circuit in housing, it is characterized in that: described signal processing circuit comprises merge cells (1), intelligent terminal (10), CPU processing unit (4), SV communication module (5) and GOOSE communication module (7), intelligent terminal (10) comprises to be left into signal acquisition module (8), control output module (9), described CPU processing unit (4) is connected with the instrument transformer of transformer station by merge cells (1), merge cells (1) is for the electric current to instrument transformer, voltage signal is sampled and preliminary treatment, described CPU processing unit (4) is respectively by opening into signal acquisition module (8), controlling output module (9) is connected with the non intelligent switch element (11) of transformer station, open into signal acquisition module (8) for gathering the opening into signal of non intelligent switch element (11), the control command of sending the breaker tripping and closing that complete non intelligent switch element (11) operate for receiving wall intelligent electronic device (6) to control output module (9), described CPU processing unit (4) is also set up data transmission channel by SV communication module (5) and wall intelligent electronic device (6), SV communication module (5) is for sending to wall intelligent electronic device (6) after sampled data coding after treatment, described CPU processing unit (4) is also set up bi-directional exchanges of information passage by GOOSE communication module (7) and wall intelligent electronic device (6), GOOSE communication module (7) is for sending to wall intelligent electronic device (6) by opening into signal of non intelligent switch element (11), obtain control command from wall intelligent electronic device (6) simultaneously, send to and control output module (9) through CPU processing unit (4).
2. a kind of merge cells intelligent terminal integrated device that is applicable to extremely frigid zones according to claim 1, it is characterized in that: described merge cells (1) comprises analog input and modular converter (2), digital quantity input module (3), analog input and modular converter (2) are sampled and preliminary treatment for the electric current to transformer station's routine transformer (13), voltage signal, and digital quantity input module (3) is sampled and preliminary treatment for the electric current to transformer substation electronic transducer (12), voltage signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320892784.4U CN203722340U (en) | 2013-12-31 | 2013-12-31 | Merging unit intelligent terminal integrated device suitable for high and cold regions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320892784.4U CN203722340U (en) | 2013-12-31 | 2013-12-31 | Merging unit intelligent terminal integrated device suitable for high and cold regions |
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| Publication Number | Publication Date |
|---|---|
| CN203722340U true CN203722340U (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320892784.4U Expired - Fee Related CN203722340U (en) | 2013-12-31 | 2013-12-31 | Merging unit intelligent terminal integrated device suitable for high and cold regions |
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| CN (1) | CN203722340U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201777A (en) * | 2014-08-19 | 2014-12-10 | 国家电网公司 | Distribution automation terminal core unit capable of achieving direct cool starting at -40 DEG C |
| CN106300663A (en) * | 2016-08-24 | 2017-01-04 | 许继集团有限公司 | The sampling of a kind of self adaptation SV and the sampling control method of routine sampling and device |
-
2013
- 2013-12-31 CN CN201320892784.4U patent/CN203722340U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201777A (en) * | 2014-08-19 | 2014-12-10 | 国家电网公司 | Distribution automation terminal core unit capable of achieving direct cool starting at -40 DEG C |
| CN106300663A (en) * | 2016-08-24 | 2017-01-04 | 许继集团有限公司 | The sampling of a kind of self adaptation SV and the sampling control method of routine sampling and device |
| CN106300663B (en) * | 2016-08-24 | 2019-04-12 | 许继集团有限公司 | A kind of sampling control method and device of adaptive SV sampling and routine sampling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20140716 Termination date: 20151231 |
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| EXPY | Termination of patent right or utility model |