CN203151221U - Low-voltage combination intelligent unit device - Google Patents
Low-voltage combination intelligent unit device Download PDFInfo
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- CN203151221U CN203151221U CN2013201122810U CN201320112281U CN203151221U CN 203151221 U CN203151221 U CN 203151221U CN 2013201122810 U CN2013201122810 U CN 2013201122810U CN 201320112281 U CN201320112281 U CN 201320112281U CN 203151221 U CN203151221 U CN 203151221U
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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Abstract
The utility model relates to a low-voltage combination intelligent unit device. The low-voltage combination intelligent unit device comprises an analog operation board, a switching value input plate, a switching value output plate, a main CPU plate, a CT/PT analog quantity acquisition plate, a transmitter direct current value acquisition plate and a power plate. The CT/PT analog quantity acquisition plate and the transmitter direct current value acquisition plate are connected with the main CPU plate through a backboard data bus. The analog operation board, the switching value input plate and the switching value output plate are connected with the main CPU plate through a backboard data control bus. An Ethernet communication interface module is further connected with the main CPU plate. By means of the low-voltage combination intelligent unit device, intelligent acquisition of intelligent transformer station switch gap state quantities and remote measurement information can be realized. Control on switch disconnecting links, etc. can be further achieved. Meanwhile, the process level network and the station level network of an intelligent transformer station can be further accessed. Digitalized acquisition and transmission of remote signaling data and remote measurement data of the transformer station and intelligentized control on switches are achieved. The number of equipments inside the station is smaller. The reliability and the running stability of the intelligent transformer station are enhanced.
Description
Technical field
The utility model belongs to Power System Intelligent transformer station technical field, relates to a kind of low pressure and merges the intelligent cell device.
Background technology
In recent years, information communication and automatic technology have obtained application more and more widely in power system monitor and operational management, and organically blending of information technology and conventional electric power technology greatly promoted the intelligent level of electrical network.For accelerating strong intelligent grid construction; the released one after another technology relevant criterion of a series of intelligent substation construction such as " intelligent substation technology guide rule ", " intelligent substation Protection Technology standard ", " intelligent substation renovation technique standard " and enforcement of State Grid Corporation of China; for improving the automatization level of converting equipment; realize transformer station's digitlization, intellectuality, good technical support and theoretical foundation are provided.
Build relevant criterion according to IEC 61850 " substation communication network and system " series standard and State Grid Corporation of China's intelligent grid, the intelligent substation construction mainly comprises the following aspects: IEC 61850 standards; The network communications technology; The application of electronic mutual inductor and merge cells; The intelligent breaker technology.
Tradition transformer substation switch position signalling, transformer running status etc. are with signal cable form and protective device interface, and the transmission signal also is connected to the master with signal cable between secondary device, and the ability of the anti-electromagnetic interference of station equipment is depended in the fail safe of electrical secondary system.Signal is used fiber optic network instead and is transmitted, and both can improve the real-time of signal transmission, can improve the antijamming capability of equipment again.
For the low-voltage grade, can directly use the collection of the merge cells realization electric current and voltage amount of band CT/PT analog quantity interface, this method is with low cost, realization is succinct, problems such as the secondary load of the long cable of nothing tradition, loop pressure drop, and sampling precision also is improved.In addition, because current intelligent breaker technology is still immature, present stage is all adopted the method that installs intelligent cell equipment in the circuit breaker side additional, realizes collection and the control of breaker signal, thereby realizes the circuit breaker intellectuality.
Therefore, adopt merge cells and intelligent cell device to carry out digital collection, by process layer sampled value network or special-purpose GOOSE network, need not increase equipment namely can realize information multiplexing easily and stride information gathering at interval, each equipment room resource-sharing, the utilance height is the trend of intelligent substation construction and development.
In addition, for single switch at interval, the device that adopts merge cells, intelligent cell function to separate, number of devices is more, installs, debugs inconvenience, transformer substation construction and later stage maintenance, maintenance cost height, fail safe and reliability are relatively low.
The utility model content
For overcoming the above problems, the utility model provides a kind of low pressure towards intelligent substation to merge the intelligent cell device, to realize the real-time collection to the switch remote signals in the intelligent substation and electric current and voltage analog quantity simultaneously, to reduce station equipment quantity, simplify the network configuration configuration, improve intelligent substation reliability and safety operation level.
For achieving the above object, the technical scheme taked of the utility model is:
A kind of low pressure merges the intelligent cell device, comprises simulated operation boxboard, switching value tablet, digital output module, host CPU plate, CT/PT analog acquisition plate, transmitter DC quantity collection plate, power panel; CT/PT analog acquisition plate, transmitter DC quantity collection plate are connected with the host CPU plate by the backboard data/address bus, and simulated operation boxboard, switching value tablet, digital output module are connected with the host CPU plate by backboard Data Control bus; Also comprise the ethernet communication interface module that is connected with the host CPU plate.
Described CT/PT analog acquisition plate, transmitter DC quantity collection plate are connected with the host CPU plate by the backboard data/address bus, analog data sampling calculating is converted to digital quantity is stored in the buffer unit.
Described simulated operation boxboard, switching value tablet, digital output module are connected with the host CPU plate by backboard Data Control bus, the switching value signal is converted into digital quantity is stored in the corresponding buffer unit, receive outside next GOOSE signal and carry out corresponding divide-shut brake order.
Described ethernet communication interface module is connected with the host CPU plate by high-speed bus, carries out communication with the MMS (Microsoft Media Server) Protocol of IEC 61850 standards and the SCADA system on the station level network, and the communication of information such as realization remote signalling remote measurement is uploaded; The analog data that collects is sent by Ethernet interface with SV sampled value bag data mode, the switching value data that collects is sent by Ethernet interface with the GOOSE data packet form; Identification also receives outside next GOOSE divide-shut brake command signal.
The beneficial effects of the utility model are: low pressure of the present utility model merges the intelligent cell device, realize the real-time collection to the switch remote signals in the intelligent substation and electric current and voltage analog quantity simultaneously, and can insert intelligent substation station level network smoothly, and in process layer SV sampled value and the GOOSE network, reduced station equipment quantity, reduce transformer substation construction and later stage repair and maintenance cost, improved intelligent substation reliability and safety operation level.
Description of drawings
Fig. 1 is that low pressure merges intelligent cell apparatus system Organization Chart;
Fig. 2 is that low pressure merges intelligent cell device backboard figure;
Fig. 3 is that low pressure merges intelligent cell device communication modes schematic diagram.
Embodiment
Below in conjunction with accompanying drawing the utility model is done concrete introduction.
Fig. 1 is that the utility model low pressure merges intelligent cell apparatus system Organization Chart.
As shown in Figure 1; low pressure merges the intelligent cell device and comprises merge cells module, intelligent cell module, ethernet communication interface module; the merge cells module is gathered electric quantity signals such as electric current and voltage by CT/PT analog acquisition plate or transmitter DC quantity collection plate; the intelligent cell module is gathered remote signalling information such as on off state by plates such as simulated operation boxboards, switching value tablet, digital output module, and execute protection breaker tripping and closing, the order of remote control divide-shut brake.Low pressure merges the intelligent cell device and has multichannel ethernet communication interface; can carry out communication by station level ethernet network and SCADA system; also can pass through process layer ethernet network, carry out data communications such as GOOSE remote signalling, SV sampled value with optical fiber between secondary devices such as point-to-point or optical fiber switch network mode and protection measure and control device, fault wave recording device.
Fig. 2 is that the utility model low pressure merges intelligent cell device backboard figure.
As shown in Figure 2, the utility model low pressure merging intelligent cell device comprises as lower plate:
Power panel (POWER plate), power supply is input as wide region alternating current-direct current 110 ~ 220V.
Simulated operation boxboard (CZX plate) by the analogue relay loop, realizes that the conventional circuit breaker hand is jumped, hand closes, remote control deciliter and function such as loop state monitors, switch is anti-jump.
Switching value tablet (DI plate) adopts passive bus, and direct current 110V/220V remote signals is converted to standard small voltage signal, by light-coupled isolation, sends among the CPU and handles.
Digital output module (DO plate), the divide-shut brake control command with the host CPU plate sends over is converted to corresponding pulse output by light-coupled isolation, is converted to the output of passive bus signal by relay again.
CT/PT analog acquisition plate (CTPT plate), by little CTPT instrument transformer on the plate or little direct current collector, secondary voltage 100V, the little direct current signal of secondary current 5A/1A, 4 ~ 20mA are converted to standard small voltage signal send in the AD modulus conversion chip and gather calculating.
Host CPU plate (CPU board), reception simulated operation boxboard, switching value go out the switching value signal that entering plate transmits, and transfer it to digital GOOSE signal, send by the fiber optic Ethernet interface; The outside next GOOSE protection of reception breaker tripping and closing, the order of remote control divide-shut brake export signal to the simulated operation boxboard and digital output module carries out command execution; The standard small voltage signal that reception CT/PT analog acquisition plate, the conversion of transmitter DC quantity collection plate come, the form with SV sampled value bag after the reduction of sampling is calculated sends by the fiber optic Ethernet interface.
Fig. 3 is that the utility model low pressure merges intelligent cell device internal communication mode schematic diagram.
As shown in Figure 3, host CPU plate dsp processor is by Data Control bus mode and intelligent cell module communication, and the intelligent cell module adopts I/O mouth communication acquisition switching value data, and carries out relevant control command; Host CPU plate dsp processor is by data/address bus mode and merge cells module communication, and the merge cells module adopts the I/O mouth to gather the data of CTPT analog acquisition plate; The high-speed bus mode is adopted in host CPU plate dsp processor and Ethernet interface communication.
Above-mentioned example does not limit the utility model in any form, all take to be equal to replace or technical scheme that the form of equivalent transformation obtains, all drop within the protection range of the present utility model.
Claims (4)
1. a low pressure merges the intelligent cell device, it is characterized in that: comprise simulated operation boxboard, switching value tablet, digital output module, host CPU plate, CT/PT analog acquisition plate, transmitter DC quantity collection plate, power panel; CT/PT analog acquisition plate, transmitter DC quantity collection plate are connected with the host CPU plate by the backboard data/address bus, and simulated operation boxboard, switching value tablet, digital output module are connected with the host CPU plate by backboard Data Control bus; Also comprise the ethernet communication interface module that is connected with the host CPU plate.
2. low pressure according to claim 1 merges the intelligent cell device, it is characterized in that: described CT/PT analog acquisition plate, transmitter DC quantity collection plate are connected with the host CPU plate by the backboard data/address bus, analog data sampling calculating is converted to digital quantity is stored in the buffer unit.
3. low pressure according to claim 1 merges the intelligent cell device, it is characterized in that: described simulated operation boxboard, switching value tablet, digital output module are connected with the host CPU plate by backboard Data Control bus, the switching value signal is converted into digital quantity is stored in the corresponding buffer unit, receive outside next GOOSE signal and carry out corresponding divide-shut brake order.
4. low pressure according to claim 1 merges the intelligent cell device, it is characterized in that: described ethernet communication interface module, be connected with the host CPU plate by high-speed bus, carry out communication with the MMS (Microsoft Media Server) Protocol of IEC 61850 standards and the SCADA system on the station level network, realize that the communication of remote signalling telemetry intelligence (TELINT) is uploaded; The analog data that collects is sent by Ethernet interface with SV sampled value bag data mode, the switching value data that collects is sent by Ethernet interface with the GOOSE data packet form; Identification also receives outside next GOOSE divide-shut brake command signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201122810U CN203151221U (en) | 2013-03-13 | 2013-03-13 | Low-voltage combination intelligent unit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201122810U CN203151221U (en) | 2013-03-13 | 2013-03-13 | Low-voltage combination intelligent unit device |
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| Publication Number | Publication Date |
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| CN203151221U true CN203151221U (en) | 2013-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013201122810U Expired - Fee Related CN203151221U (en) | 2013-03-13 | 2013-03-13 | Low-voltage combination intelligent unit device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048631A (en) * | 2015-06-29 | 2015-11-11 | 国家电网公司 | Space-oriented multifunctional vertical integration device |
| CN107872183A (en) * | 2017-12-14 | 2018-04-03 | 中国恩菲工程技术有限公司 | Motor field control case |
| CN111799887A (en) * | 2020-06-19 | 2020-10-20 | 广西电网有限责任公司电力科学研究院 | 220kV intelligent high-voltage switch control system |
-
2013
- 2013-03-13 CN CN2013201122810U patent/CN203151221U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048631A (en) * | 2015-06-29 | 2015-11-11 | 国家电网公司 | Space-oriented multifunctional vertical integration device |
| CN105048631B (en) * | 2015-06-29 | 2017-09-08 | 国家电网公司 | A kind of multi-functional Top-down design device towards interval |
| CN107872183A (en) * | 2017-12-14 | 2018-04-03 | 中国恩菲工程技术有限公司 | Motor field control case |
| CN111799887A (en) * | 2020-06-19 | 2020-10-20 | 广西电网有限责任公司电力科学研究院 | 220kV intelligent high-voltage switch control system |
| CN111799887B (en) * | 2020-06-19 | 2022-11-18 | 广西电网有限责任公司电力科学研究院 | 220kV intelligent high-voltage switch control system |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20200313 |