CN106099727B - A kind of construction method of secondary equipment of intelligent converting station system - Google Patents
A kind of construction method of secondary equipment of intelligent converting station system Download PDFInfo
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- CN106099727B CN106099727B CN201610425307.5A CN201610425307A CN106099727B CN 106099727 B CN106099727 B CN 106099727B CN 201610425307 A CN201610425307 A CN 201610425307A CN 106099727 B CN106099727 B CN 106099727B
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- 238000010276 construction Methods 0.000 title claims abstract description 13
- 238000005259 measurement Methods 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 claims abstract description 23
- 241000272814 Anser sp. Species 0.000 claims abstract description 22
- 230000008569 process Effects 0.000 claims abstract description 17
- 238000005204 segregation Methods 0.000 claims abstract description 10
- 230000001681 protective effect Effects 0.000 claims description 12
- 238000005070 sampling Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 10
- 239000013307 optical fiber Substances 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000011664 signaling Effects 0.000 claims description 4
- 230000000087 stabilizing effect Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B7/00—Enclosed substations, e.g. compact substations
- H02B7/06—Distribution substations, e.g. for urban network
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
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- H02J13/0006—
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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
-
- 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
-
- 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
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a kind of construction method of secondary equipment of intelligent converting station system, comprise the following steps, A)The data of intelligent substation are divided into protection class data and measurement class data, independently samples and data source is unique;B)Establish line segregation;C)Establish main transformer interval;D)Establish bus interval.The construction method of the secondary equipment of intelligent converting station system of the present invention; protection, the realization link of observing and controlling function can be reduced; improve device quick-action and reliability; it is proposed that the secondary device at circuit and bus interval uses wall and process layer function integrated equipment and installed on the spot; bus and the secondary device at main transformer interval still use hierarchy, and process layer interface is using the common mouth mode of GOOSE, SV;For the ease of running and safeguarding, whole station data are divided into protection class data and measurement class data, independently samples and data source is unique, there is the characteristics of reliable, economic, efficient, have a good application prospect.
Description
Technical field
The present invention relates to technical field, and in particular to a kind of secondary equipment of intelligent converting station based on multifunctional unit device
The construction method of system architecture.
Background technology
Intelligent substation has turned into the Main Patterns of domestic transformer substation construction, and intelligent substation is tied using " three layer of two net "
Structure, i.e. station level equipment, bay device, process layer devices, station level network and process-level network.With conventional substation phase
Than intelligent substation adds process-level network and equipment, for realizing the shared and networking of sampled value and switching value information
Tripping operation.The communication media of process-level network uses optical fiber, and the secondary cable loop for replacing traditional transformer station is connected with empty loop, empty
The connection in loop is embodied in the form of configuration file, includes whole station CONFIG.SYS (SCD), device capability describes file
And configuration file (ICD) etc. (CID).
The process layer devices such as intelligent terminal, combining unit realize in-situ digitalization collection, control based on network.However, intelligence
Can the more conventional station showed increased of device quantity in station, the network architecture is complicated, and overall cost of investment is larger, operation expense compared with
It is high.In December, 2012, the New Generation of Intelligent transformer station demonstration project with " taking up an area less, reduced investment, efficiency high " for target, which starts, builds
If Substation process-level, wall and station level equipment start explore function Integrated design, more typically have intelligent terminal,
Combining unit integrating device, monitoring and protection integrating device, centralized protection device, centralized measure and control device, multifunctional measurement and control dress
Put, integrated monitoring system etc..The Integrated design of each equipment is reduced into device quantity, simplifies network rack to a certain extent
Structure, but problems with is still suffered from,
(1) protection device reliability and action rapidity decline, and defencive function is realized by protection device, combining unit, intelligence
Energy terminal, which coordinates, to be completed, and adds the realization link of defencive function, under " straight to adopt straight jump " mode, intelligent station operating time of protection
More conventional slow 5ms in station or so.In addition, combining unit, protection device and intelligent terminal three any one link break down all
The missing of defencive function can be caused.And scene operation combining unit and intelligent terminal due to optical port it is more, caloric value is big, by existing
Field environment temperature and electromagnetic interference etc. influence, and probability of malfunction is higher, influence the global reliability of protection.For being set across interval protection
Standby problem is then even more serious.
(2) process layer devices realize multiple services information sharing, but the also O&M to each operation system and enlarging simultaneously
Bring influence.By taking circuit combining unit as an example, a circuit combining unit is provided to line protective devices, bus protection
Device, safety stabilizing devices, stub protection, the multiple equipment on SV networks provide sample values.Such as when observing and controlling needs to examine
When repairing, the operation of other business can be influenceed.
(3) empty terminal arrangement workload is big, difficult in maintenance, and intelligent terminal, combining unit are required for configuring empty terminal, are intelligence
Can Substation Design, the important content of debugging link.Moreover, empty terminal is invisible impalpable in operation and maintenance phase,
So certain difficulty is brought to O&M.
(4) data syn-chronization is complicated, and the equipment such as the combining unit of intelligent substation, interchanger, protection observing and controlling must be based on uniting
One time reference operation, can meet the requirement of the function time consistencies such as sequence of events recording (SOE), failure wave-recording, close
And unit and intelligent terminal be because transmission sampled value, tripping operation information are, it is necessary to reach μ s synchronization accuracy, during to combining unit inside
Clock stability and external clock reference missing or jitter conditions under pair when required precision it is very high.
It is current urgent problem to solve and optimize above mentioned problem.
The content of the invention
The problems of the invention aims to overcome existing secondary equipment of intelligent converting station system architecture,.
The system architecture of the secondary equipment of intelligent converting station based on multifunctional unit device of the present invention, transforming plant apparatus quantity, exchange
Machine port number and tail optical fiber quantity first mate are reduced, and the network architecture further simplifies, and direct cost, empty terminal and SCD is greatly reduced
Configuration work amount is greatly reduced, and engineering debugging cycle shortens, and operation maintenance difficulty reduces, and has reliable, economic, efficient spy
Point.
In order to achieve the above object, the technical solution adopted in the present invention is:
A kind of construction method of secondary equipment of intelligent converting station system, it is characterised in that:Comprise the following steps,
Step (A), by the data of intelligent substation be divided into protection class data and measurement class data, independently sampling and
Data source is unique, and protection class data are gathered by multifunctional protection device, and steady for protection device, fault wave recording device and safety
Determine device use;Measurement class data are gathered by multifunctional measurement and control device, for measure and control device, dynamic vector measuring unit, metering
Device uses;
Step (B), establishes line segregation, will be provided with defencive function, the combining unit function related to protection, with protecting phase
The multifunctional protection device of the intelligent terminal function of pass, collection protection voltage, current signal, and tripped back by cable and outlet
Road is connected, and multifunctional protection device is configured into double MMS optical fiber interfaces, the double nets of access station level MMS, its process layer interface is adopted
It is point-to-point to be connected to bus differential protection, and the double nets of access procedure layer with the common mouth mode of GOOSE, SV;It will be provided with observing and controlling function and observing and controlling
The combining unit function of correlation, the multifunctional measurement and control device of the intelligent terminal function related to observing and controlling, collection measurement voltage, electric current
Signal, and be connected by cable with outlet trip(ping) circuit, multifunctional measurement and control device is configured into double MMS optical fiber interfaces, access station
The double nets of layer MMS are controlled, its process layer interface is using GOOSE, SV mouth mode, and the double nets of access procedure layer altogether;
Step (C), establish main transformer interval, including main transformer protection device, high-pressure side intelligent terminal combining unit one
Makeup is put, medium voltage side intelligent terminal combining unit integrated apparatus, low-pressure side intelligent terminal combining unit integrated apparatus, body
Intelligent end device, high-pressure side multifunctional measurement and control device, medium voltage side multifunctional measurement and control device, low-pressure side multifunctional measurement and control device,
Body multifunctional measurement and control device, the main transformer protection device integrate main protection and back-up protection function, by with high pressure, middle pressure,
Intelligent terminal combining unit integrated apparatus, the point-to-point communication of body intelligent end device of low-pressure side are sampled and tripped
Outlet, and using SV, GOOSE, mouth mode, double sets configure altogether, the multi-functional survey of the high-pressure side, medium voltage side, low-pressure side, body
Control device integrates measure and control device, intelligent terminal, combining unit function, single set configuration, and each multifunctional measurement and control device is directly surveyed
Electric current and voltage are measured, is tripped by the way that relay is directly exported, and SV, GOOSE existing shared data of cause for gossip altogether are provided;
Step (D), bus interval, including busbar protective device, bus measure and control device, bus combining unit are established, by mother
Line voltage is connected to busbar protective device, bus measure and control device, bus combining unit, the bus observing and controlling after case arranged side by side with cable
Device collection PT disconnecting links position, bus voltage measurement value, pass through MMS network transmission telemetry intelligence (TELINT)s;The busbar protective device with
Sampling value signal, position are obtained with the communication mode of the common mouth of point-to-point GOOSE, SV between multifunctional protection device in line segregation
Confidence number, perform and jump order;The busbar protective device and the intelligent terminal combining unit integrated apparatus in main transformer interval
Sampling value signal, position signalling are obtained with the communication mode of the common mouth of point-to-point GOOSE, SV, jump is performed and makes;The bus merges single
Member is used to provide busbar voltage sampling value information.
The beneficial effects of the invention are as follows:The construction method of the secondary equipment of intelligent converting station system of the present invention, have it is reliable,
The characteristics of economic, efficient, specific manifestation is as follows,
(1) to reduce protection, the realization link of observing and controlling function, device quick-action and reliability is improved, proposes circuit and mother
The secondary device at line interval is using wall and process layer function integrated equipment and installs on the spot, bus and main transformer interval
Secondary device still uses hierarchy, and process layer interface is using the common mouth mode of GOOSE, SV;
(2) for the ease of running and safeguarding, whole station data is divided into protection class data and measurement class data, independently adopted
Sample and data source is unique, protection class data are sampled by line segregation in-situ protection device, for bus protection thus record, stability control equipment
With by line segregation, measure and control device samples measurement class data on the spot, is used for dynamic vector measuring unit (PMU), metering device.
Brief description of the drawings
Fig. 1 is the flow chart of the construction method of the secondary equipment of intelligent converting station system of the present invention.
Fig. 2 is the system block diagram for the line segregation that the present invention establishes.
Fig. 3 is the system block diagram at the main transformer interval that the present invention establishes.
Fig. 4 is the system block diagram at the bus interval that the present invention establishes.
Fig. 5 is the system architecture schematic diagram of one embodiment of the invention 220kV double-bus main electrical scheme intelligent substations.
Embodiment
Below in conjunction with Figure of description, the present invention is further illustrated.
As shown in figure 1, the construction method of the secondary equipment of intelligent converting station system of the present invention, comprises the following steps,
Step (A), by the data of intelligent substation be divided into protection class data and measurement class data, independently sampling and
Data source is unique, and protection class data are gathered by multifunctional protection device, and steady for protection device, fault wave recording device and safety
Determine device use;Measurement class data are gathered by multifunctional measurement and control device, for measure and control device, dynamic vector measuring unit, metering
Device uses;
Step (B), establishes line segregation, as shown in Fig. 2 will be provided with defencive function, the combining unit work(related to protection
Energy, the multifunctional protection device of the intelligent terminal function related to protection, collection protection voltage, current signal, and pass through cable
It is connected with outlet tripping operation, multifunctional protection device is configured into double MMS optical fiber interfaces, the double nets of access station level MMS, its process
Layer interface is point-to-point to be connected to bus differential protection, and the double nets of access procedure layer using the common mouth mode of GOOSE, SV;It will be provided with observing and controlling work(
Energy, the combining unit function related to observing and controlling, the multifunctional measurement and control device of the intelligent terminal function related with observing and controlling, collection measurement
Voltage, current signal, and be connected by cable with outlet tripping operation, multifunctional measurement and control device is configured into double MMS optical fiber interfaces, connect
Enter the double nets of station level MMS, its process layer interface is using GOOSE, SV mouth mode, and the double nets of access procedure layer altogether;
Step (C), establishes main transformer interval, as shown in figure 3, being closed including main transformer protection device, high-pressure side intelligent terminal
And unit integral device, medium voltage side intelligent terminal combining unit integrated apparatus, low-pressure side intelligent terminal combining unit one
Makeup is put, body intelligent end device, high-pressure side multifunctional measurement and control device, medium voltage side multifunctional measurement and control device, the more work(of low-pressure side
Can measure and control device, body multifunctional measurement and control device, the main transformer protection device integrates main protection and back-up protection function, by with
High pressure, middle pressure, the point-to-point communication of the intelligent terminal combining unit integrated apparatus of low-pressure side, body intelligent end device are carried out
Sampling and tripping operation outlet, and using the common mouth mode of SV, GOOSE, double set configurations, the high-pressure side, medium voltage side, low-pressure side, body
Multifunctional measurement and control device integrate measure and control device, intelligent terminal, combining unit function, single set configuration, each multifunctional measurement and control
Device direct measurement electric current and voltage, tripped by the way that relay is directly exported, and SV, GOOSE existing shared data of cause for gossip altogether are provided;
Step (D), establishes bus interval, as shown in figure 4, merging including busbar protective device, bus measure and control device, bus
Unit, busbar voltage is connected to busbar protective device, bus measure and control device, bus combining unit, institute after case arranged side by side with cable
Bus measure and control device collection PT disconnecting links position, bus voltage measurement value are stated, passes through MMS network transmission telemetry intelligence (TELINT)s;The bus
Adopted between multifunctional protection device in protection device and line segregation with the communication mode of the common mouth of point-to-point GOOSE, SV
Sample value signal, position signalling, perform and jump order;The busbar protective device and the intelligent terminal combining unit in main transformer interval
Integrated apparatus obtains sampling value signal, position signalling with the communication mode of the common mouth of point-to-point GOOSE, SV, performs jump and makes;It is described
Bus combining unit is used to provide busbar voltage sampling value information.
Below according to the construction method of the secondary equipment of intelligent converting station system of the present invention, an implementation is specifically introduced, with one
Exemplified by individual 220kV double-bus main electrical scheme intelligent substation, system architecture schematic diagram, as shown in fig. 5, it is assumed that having in transformer station 4 times
220kV outlets (outlet is more, and advantage is more obvious), 2 main transformers, 1 mother.Construction method according to the present invention is with intelligence at present
It is more than transformer station's scheme that the configuring condition of secondary device is as shown in the table needed for interval,
In 220kV intelligent substations, 20 covering devices, main transformer interval can at least be saved using the line segregation of the present invention
Save 12 covering devices.Meanwhile interchanger network interface quantity 84 can be saved, save number of fibers 108.What is more important,
Every interior device functional independence, without interrelated, no combining unit sampling transmission and intelligent terminal response link, interval is greatly improved
Interior protection device rapidity and reliability.Straight jump is directly adopted across escapement, while bus differential protection caloric value is reduced to route protection
Device peer-level, further improve defencive function reliability and the stability of a system.
General principle, the main features and advantages of the present invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, the original for simply illustrating the present invention described in above-described embodiment and specification
Reason, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (1)
- A kind of 1. construction method of secondary equipment of intelligent converting station system, it is characterised in that:Comprise the following steps,Step(A), the data of intelligent substation are divided into protection class data and measurement class data, independently sampling and data Source is unique, and protection class data are gathered by multifunctional protection device, and provides SV, GOOSE interface for protection device, failure wave-recording Device and safety stabilizing devices use;Measurement class data are gathered by multifunctional measurement and control device, and provide the confession of SV, GOOSE interface Measure and control device, dynamic vector measuring unit, metering device use;Step(B), line segregation is established, defencive function, the combining unit function related to protection and protection are related using possessing Intelligent terminal function multifunctional protection device, collection protection voltage, current signal, and pass through cable with outlet trip(ping) circuit It is connected, multifunctional protection device is configured into double MMS optical fiber interfaces, the double nets of access station level MMS, its process layer interface uses The common mouth mode of GOOSE, SV, it is point-to-point to be connected to bus differential protection, and the double nets of access procedure layer;Will be provided with observing and controlling function, with observing and controlling phase The multifunctional measurement and control device of the combining unit function of pass, the intelligent terminal function related to observing and controlling, collection measurement voltage, electric current letter Number, and be connected by cable with outlet trip(ping) circuit, multifunctional measurement and control device is configured into double MMS optical fiber interfaces, access station control The double nets of layer MMS, its process layer interface is using GOOSE, SV mouth mode, and the double nets of access procedure layer altogether;Step(C), main transformer interval is established, including main transformer protection device, high-pressure side intelligent terminal combining unit are integrally disguised Put, medium voltage side intelligent terminal combining unit integrated apparatus, low-pressure side intelligent terminal combining unit integrated apparatus, body intelligence Terminal installation, high-pressure side multifunctional measurement and control device, medium voltage side multifunctional measurement and control device, low-pressure side multifunctional measurement and control device, body Multifunctional measurement and control device, the main transformer protection device integrate main protection and back-up protection function, by with high pressure, middle pressure, low pressure Intelligent terminal combining unit integrated apparatus, the point-to-point communication of body intelligent end device of side are sampled and tripped out Mouthful, and using SV, GOOSE, mouth mode, double sets configure altogether, the high-pressure side, medium voltage side, low-pressure side, the multifunctional measurement and control of body Device integrates measure and control device, intelligent terminal, combining unit function, single set configuration, each multifunctional measurement and control device direct measurement Electric current and voltage, tripped by the way that relay is directly exported, and SV, GOOSE existing shared data of cause for gossip altogether are provided;Step(D), bus interval, including busbar protective device, bus measure and control device, bus combining unit are established, by bus electricity Pressure is connected to busbar protective device, bus measure and control device, bus combining unit, the bus measure and control device after case arranged side by side with cable PT disconnecting links position, bus voltage measurement value are gathered, passes through MMS network transmission telemetry intelligence (TELINT)s;The busbar protective device and circuit With point-to-point GOOSE, SV, the communication mode acquisition sampling value signal of mouth, position are believed altogether between multifunctional protection device in interval Number, perform and jump order;The busbar protective device is with the intelligent terminal combining unit integrated apparatus in main transformer interval with point Sampling value signal, position signalling are obtained to the communication mode of the common mouth of point GOOSE, SV, jump is performed and makes;The bus combining unit is used Value information is sampled in providing busbar voltage.
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CN103107595B (en) * | 2012-11-29 | 2015-03-25 | 中国电力科学研究院 | Substation automation system in prefabricated transformer substation |
CN203166626U (en) * | 2012-12-27 | 2013-08-28 | 天津凯发电气股份有限公司 | Intelligent traction substation |
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