CN102710018A - Automatic system for digital substation - Google Patents
Automatic system for digital substation Download PDFInfo
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- CN102710018A CN102710018A CN2012101843388A CN201210184338A CN102710018A CN 102710018 A CN102710018 A CN 102710018A CN 2012101843388 A CN2012101843388 A CN 2012101843388A CN 201210184338 A CN201210184338 A CN 201210184338A CN 102710018 A CN102710018 A CN 102710018A
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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
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Abstract
The invention discloses an automatic system for a digital substation, which comprises a substation control layer, a spacer layer and a process layer, wherein the a station control network is arranged between the substation control layer and the spacer layer, and a spacer network is between the spacer layer and the process layer; all devices of the process layer are connected with the spacer network through fibers; the spacer network transmits acquired simulation signals to a monitoring and protection device of the spacer layer through the fiber, and also transmits converted digital values to the station control network through the fiber; and the station control network respectively transmits the acquired digital values to a backstage substation control layer through the fiber. Due to the adoption of the system, the information acquisition, transmission, processing and output are totally digitized; a modernization substation, which realizes information sharing and interoperability among intelligent electrical devices in the substation, is provided; and systems of protection, monitoring, motion, VQC and the like receive current, voltage and sate information through the same network, and information sharing among the systems is realized.
Description
One, technical field:
The present invention relates to a kind of network automatically system, particularly relate to a kind of through Optical Fiber Transmission Analog signals'digital electric substation automation system.
Two, background technology:
Digital transformer substation is the transformer station with information gathering, transmission, processing, output procedure fully digitalization; Operation management system by intelligent primary equipment, networked secondary device and automation constitutes; Be based upon on the IEC61850 communication normative foundation; Can realize the modernized transformer station of the information sharing of intelligent electric equipment room and interoperability in the transformer station; Systems such as its protection, monitoring, motion, VQC all adopt consolidated network to accept electric current, voltage and state information, and each system realizes information sharing.Signal circuit that primary equipment is to be detected and controlled operation drive the loop and adopt microprocessor and photoelectric technology design; Simplified the structure of conventional electromechanical relay and control loop, digital program controlled device and digital common signal network replace traditional lead and connect; Network service is at a high speed all adopted in connection between the secondary device, really realizes data sharing, resource-sharing through network.
Three, summary of the invention:
Technical problem to be solved by this invention is: provide a kind of through Optical Fiber Transmission Analog signals'digital electric substation automation system, realize information sharing and interoperability between the intelligent electric equipment in the transformer station.
The technical scheme that the present invention is taked for the technical solution problem is:
A kind of digital transformer substation automated system comprises transformer station's station level, wall and process layer, is provided with control network in station between said transformer station station level and the wall, is provided with network at interval between said wall and the process layer.
The all devices of said process layer all is connected with the interval network through optical fiber; Network arrives the analog signal that collects the monitoring and protecting device of wall respectively through Optical Fiber Transmission at interval; Digital quantity after will changing through optical fiber again transmits the control network that arrives at a station, and the control network of standing passes through the transformer station station level of Optical Fiber Transmission to the backstage respectively with the digital quantity that collects.
Said process layer comprises some groups of intelligent information gathering equipment; Every group of intelligent information gathering equipment includes electronic mutual inductor, merge cells, intelligent switch and intelligent terminal; Wherein: electronic mutual inductor is connected with merge cells, and intelligent switch is connected with intelligent terminal.
Said wall comprises some groups of monitoring and protecting devices, and every group of monitoring and protecting device includes digitlization measure and control device and digital protection device.
Said transformer station station level comprises some sets of computer control centre module, and every sets of computer control centre module includes master controller and computer display.
The digital signal that said transformer station station level will be handled respectively through optical fiber is carried in arrive at a station control network, wall, interval network and the process layer successively, all connects through optical fiber between each layer.
The present invention is the transformer station with information gathering, transmission, processing, output procedure fully digitalization; Operation management system by intelligent primary equipment, networked secondary device and automation constitutes; Be based upon on the IEC61850 communication normative foundation; Can realize the modernized transformer station of the information sharing of intelligent electric equipment room and interoperability in the transformer station; Systems such as its protection, monitoring, motion, VQC all adopt consolidated network to accept electric current, voltage and state information, and each system realizes information sharing.Signal circuit that primary equipment is to be detected and controlled operation drive the loop and adopt microprocessor and photoelectric technology design; Simplified the structure of conventional electromechanical relay and control loop, digital program controlled device and digital common signal network replace traditional lead and connect; Network service is at a high speed all adopted in connection between the secondary device, really realizes data sharing, resource-sharing through network.
Among the present invention, the data transmission media at full station has substituted traditional cable by optical fiber, and traditional CT and PT are also substituted by photoelectricity CT and PT, thereby with the process fully digitalization of information gathering, transmission, processing, output, each system's realization information sharing.
Positive beneficial effect of the present invention is following:
1, the shared unified information platform of various functions is avoided the overlapping investment of equipment.
2, high, no saturated, the no CT second open circuit of certainty of measurement.
3, optical fiber replaces optical cable, and Electro Magnetic Compatibility is superior.
4, information transfer channel all passes through the optical fiber realization, but self check, and reliability is higher.
5, functional device commonly used has become the logic function module.
6, can realize the automation of substation management.
Four, description of drawings:
Fig. 1 is that structure of the present invention connects sketch map.
Five, embodiment:
Below in conjunction with accompanying drawing the present invention is done further explanation:
Referring to Fig. 1; A kind of digital transformer substation automated system comprises transformer station's station level 1, wall 3 and process layer 5, is provided with control network 2 in station between transformer station's station level 1 and the wall 3; Be provided with network 4 at interval between wall 3 and the process layer 5; Wherein, all devices of process layer 5 all is connected with interval network 4 through optical fiber, and network 4 arrives the analog signal that collects the monitoring and protecting device of wall 3 respectively through Optical Fiber Transmission at interval; Digital quantity transmission after will changing through optical fiber is again arrived at a station and is controlled network 2, and the control network 2 of standing passes through the transformer station station level 1 of Optical Fiber Transmission to the backstage respectively with the digital quantity that collects.Conversely, the digital signal that transformer station's station level 1 will be handled respectively through optical fiber is carried in arrive at a station control network 2, wall 3, interval network 4 and the process layer 5 successively, all realizes connecting through optical fiber between each layer.
Process layer 5 comprises some groups of intelligent information gathering equipment; Every group of intelligent information gathering equipment includes electronic mutual inductor, merge cells, intelligent switch and intelligent terminal; Wherein: electronic mutual inductor is connected with merge cells, and intelligent switch is connected with intelligent terminal.
Transformer station's station level 1 comprises some sets of computer control centre module, and every sets of computer control centre module includes master controller and computer display.
This invention is with information gathering, transmission, processing, output procedure fully digitalization; Can realize the modernized transformer station of the information sharing of intelligent electric equipment room and interoperability in the transformer station; Systems such as its protection, monitoring, motion, VQC all adopt consolidated network to accept electric current, voltage and state information, and each system realizes information sharing.
Claims (6)
1. digital transformer substation automated system; Comprise transformer station's station level (1), wall (3) and process layer (5); It is characterized in that: be provided with control network (2) in station between said transformer station station level (1) and the wall (3), be provided with network (4) at interval between said wall (3) and the process layer (5).
2. digital transformer substation automated system according to claim 1; It is characterized in that: all devices of said process layer (5) all is connected with interval network (4) through optical fiber; Network (4) arrives the analog signal that collects the monitoring and protecting device of wall (3) respectively through Optical Fiber Transmission at interval; Digital quantity transmission after will changing through optical fiber is again arrived at a station and is controlled network (2), and the control network (2) of standing passes through the transformer station station level (1) of Optical Fiber Transmission to the backstage respectively with the digital quantity that collects.
3. according to claim 2 it is characterized in that: said digital transformer substation automated system; It is characterized in that: said process layer (5) comprises some groups of intelligent information gathering equipment; Every group of intelligent information gathering equipment includes electronic mutual inductor, merge cells, intelligent switch and intelligent terminal; Wherein: electronic mutual inductor is connected with merge cells, and intelligent switch is connected with intelligent terminal.
4. digital transformer substation automated system according to claim 2 is characterized in that: said wall (3) comprises some groups of monitoring and protecting devices, and every group of monitoring and protecting device includes digitlization measure and control device and digital protection device.
5. digital transformer substation automated system according to claim 2; It is characterized in that: said transformer station station level (1) comprises some sets of computer control centre module, and every sets of computer control centre module includes master controller and computer display.
6. according to each described digital transformer substation automated system of claim 1～5; It is characterized in that: the digital signal that said transformer station station level (1) will be handled respectively through optical fiber is carried in arrive at a station control network (2), wall (3), interval network (4) and the process layer (5) successively, all connects through optical fiber between each layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101843388A CN102710018A (en) | 2012-06-06 | 2012-06-06 | Automatic system for digital substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101843388A CN102710018A (en) | 2012-06-06 | 2012-06-06 | Automatic system for digital substation |
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| Publication Number | Publication Date |
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| CN102710018A true CN102710018A (en) | 2012-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012101843388A Pending CN102710018A (en) | 2012-06-06 | 2012-06-06 | Automatic system for digital substation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105871071A (en) * | 2016-06-08 | 2016-08-17 | 上海南华兰陵电气有限公司 | Open type digital integrated automation system applied to transformer substation |
| CN112994227A (en) * | 2019-12-13 | 2021-06-18 | 河南平高电气股份有限公司 | Modular module and transformer substation monitoring system on spot |
-
2012
- 2012-06-06 CN CN2012101843388A patent/CN102710018A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105871071A (en) * | 2016-06-08 | 2016-08-17 | 上海南华兰陵电气有限公司 | Open type digital integrated automation system applied to transformer substation |
| CN112994227A (en) * | 2019-12-13 | 2021-06-18 | 河南平高电气股份有限公司 | Modular module and transformer substation monitoring system on spot |
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Application publication date: 20121003 |