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 PDF

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Publication number
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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protection
bus
control device
measurement
combining unit
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CN106099727A (en
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张斌
周斌
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Nanjing NARI Group Corp
State Grid Electric Power Research Institute
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Nanjing NARI Group Corp
State Grid Electric Power Research Institute
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B7/00Enclosed substations, e.g. compact substations
    • H02B7/06Distribution substations, e.g. for urban network
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency 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
    • H02H7/22Emergency 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
    • H02J13/0006
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/16Electric power substations
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/20Systems 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

A kind of construction method of secondary equipment of intelligent converting station system
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)

  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.
CN201610425307.5A 2016-06-15 2016-06-15 A kind of construction method of secondary equipment of intelligent converting station system Active CN106099727B (en)

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CN107122532A (en) * 2017-04-14 2017-09-01 国网电力科学研究院武汉南瑞有限责任公司 The emulation mode and system of intelligence equipment integrating are closed by dispatching formula transformer station
CN108199879B (en) * 2017-12-29 2021-03-05 国网安徽省电力有限公司 Method for forming intelligent station process layer network topology based on SPCD and SCD

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US7062359B2 (en) * 2000-12-29 2006-06-13 Abb Ab Substation control system
CN101694923B (en) * 2009-10-20 2013-02-06 江苏省电力设计院 Method for arranging 220 kV and 110 kV interval secondary devices
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
CN204696807U (en) * 2015-07-04 2015-10-07 余汉华 A kind of intelligent substation security protection management networking equipment

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