CN101447697A - Microcomputer measuring and controlling protective device for centralized type digital transformer substation - Google Patents
Microcomputer measuring and controlling protective device for centralized type digital transformer substation Download PDFInfo
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- CN101447697A CN101447697A CN 200810238988 CN200810238988A CN101447697A CN 101447697 A CN101447697 A CN 101447697A CN 200810238988 CN200810238988 CN 200810238988 CN 200810238988 A CN200810238988 A CN 200810238988A CN 101447697 A CN101447697 A CN 101447697A
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Abstract
The invention relates to a microcomputer measuring and controlling protective device for a centralized type digital transformer substation. The device comprises a network interface, a redundancy power supply of a hot plug, a system controlling unit module, an optical fiber transmission module, an intelligent cooling system, a local display operating module and a man-machine interface processor. The device adopts the multi-CPU modulation design, the protection function can be flexibly disposed upon the demands, the failure of each integrated circuit board can not result in the system failure, and the man-machine interface adopts a touch liquid crystal screen which can be matched with a mouse, a keyboard and a monitor, therefore, the application is flexible, and the operation is convenient; the device conforms to the IEC61850 standard, all the configuration tools in accordance with the IEC61850 standard can be identified, and the expansion of the system in the entire life cycle can also be described and recorded in SCL so that the maintenance of the large-scale system can be supported for a long term; and the protective device supports XML so that the exchange and the share of information in different systems and in different platforms are convenient.
Description
Technical field
The invention belongs to power system automatic field, be specifically related to a kind of centralized digital transformer substation microcomputer measuring and controlling protective device.
Background technology
Automation of transformation substations technology has reached certain level through the development of more than ten years, has improved the modernization level of power grid construction to a great extent, has strengthened the reliability of power transmission and distribution and dispatching of power netwoks.Yet still there is following point in traditional electric substation automation system:
1, interoperability problem: because the communication technology and agreement that the different manufacturers electric substation automation system adopts have nothing in common with each other, cause to lack interoperability between the product, cause integrated and increase maintenance cost, also reduced the reliability of system.
2, the problem of electromagnetic transformer: traditional instrument transformer exists core sataration, transient characterisitics difference and shortcoming such as bulky, is difficult to satisfy the demand of modern automation technology.
3, the problem of conventional primary equipment: present most transformer stations all do not install state monitor apparatus, owing to lack primary equipment Stateful Inspection information, can only adopt scheduled overhaul usually, and can not realize repair based on condition of component.Simultaneously, conventional circuit breaker equipment can not be realized the function by Waveform Control switching angle and on-line monitoring.
4, cable investment, operation and maintenance cost are higher.
Digital transformer substation has successfully solved the problem that above-mentioned traditional transformer station exists, and is the inexorable trend of power system development, is the inevitable outcome of mechanics of communication, information technology and technical development of computer.It will be the key point that solves these difficult problems that the all-round popularization in transformer station of IEC61850 standard and digitizing technique is used.At present, TC57 working group of International Electrotechnical Commission has formulated " substation communication network and system " series standard---IEC61850, for electric substation automation system provides the unified platform and standard card cage.
Along with technology such as digital instrument transformer, an operational outfit presence detection, substation operation training on operation emulation reach its maturity, and the Application and Development of computer express network in real-time system, certainly will produce deep effect to existing automation of transformation substations technology, the electric substation automation system of total digitalization is about to be widely used.By digital transformer substation Study on Technology and enforcement, improve the technical merit and the safe and stable operation level of electric substation automation system and whole electrical network.
Summary of the invention
Centralized digital transformer substation microcomputer measuring and controlling protective device of the present invention is made up of the system control unit that several structures are identical, and measuring and controlling protective device of the present invention adopts two-shipper, double-network redundant configuration, improves the reliability of whole system.
In measuring and controlling protective device of the present invention, the functional module of system control unit all adopts the computer equipment that meets the IEC61850 standard of receiving digital signals, with the characteristics of outstanding digital transformer substation, and is convenient to upgrading replacement in the future, reduces expenses.
In the present invention; integrated monitoring, metering, the defencive function of systems such as main transformer, circuit and direct current are realized by centralized measuring and controlling protective device; this system can obtain the information that traditional protection in the past can not obtainable full station by network, therefore can realize the irrealizable function of traditional protection.
Other smart machine in standing as direct current system, UPS, kilowatt-hour meter, if agreement and the interface that meets IEC61850 can be provided, then directly is connected into system control unit; Otherwise, finish conversion connecting system control unit by virtual server.
Software configuration is abideed by the logical node design of IEC61850 standard fully, adopts OO dynamic modeling technology, built-in interrelated logic node, and support function freely distributes, and satisfies whole communicating requirements of IEC61850 standard.
Therefore, the present invention proposes a kind of centralized digital transformer substation measuring and controlling protective device, obtain the electrical data at full station by network, and realize protection and observing and controlling to related electric equipment by network control related electric equipment, this device comprises:
Network interface is used to connect each equipment;
Hot-swappable redundant power is for whole measuring and controlling protective device provides power supply;
A plurality of system control unit modules have flush bonding processor, serial ports expansion device, network ejector, are used for observing and controlling and a plurality of related electric equipment of protection;
At least one Optical Fiber Transmission module is used to transmit the data between each parts of whole measuring and controlling protective device;
At least one intelligent heat dissipation system is used for each parts of whole measuring and controlling protective device are dispelled the heat;
Display operation module on the spot is used for the state of a plurality of related electric equipment of long-range demonstration, and it is controlled and operates;
The man-machine interface processor is used for user's operating command is converted to the control action of a plurality of related electric equipment.
Measuring and controlling protective device of the present invention; its feature is that also a realization in described a plurality of system control unit module is to the monitoring and protection function of a related electric equipment; and described a plurality of system control unit module can carry out freely disposing on quantity and function according to user's request
Measuring and controlling protective device of the present invention, its feature are that also described a plurality of system control unit module adopts the rear loading type insert design, and each plate can charged hot plug, and has the automatic identification and the fault alarm function of plug-in unit.
Measuring and controlling protective device of the present invention, its feature are that also described a plurality of system control unit module adopts embedded Intel processor unit, and multiple CPU parallel processing technology provides two 100M Ethernet interfaces, has floating-point coprocessor.
Description of drawings
Fig. 1 is according to centralized digital transformer substation microcomputer measuring and controlling protective device structured flowchart of the present invention.
Embodiment
In original electric substation automation system, use the device of various functions or unit to finish functions such as protection, observing and controlling usually.Consider that division and the group screen mode for function all proposes new demand in the digital transformer substation; the present invention is on the basis of original electric substation automation system design; notion to device or unit is improved, and has designed and has realized the measuring and controlling protective device that the digital transformer substation automation function is integrated.
Measuring and controlling protective device of the present invention by network interface, duplicate supply, system control unit module and on the spot the display module several sections form.In principle, each system control unit is realized the function that an original notional device or unit are realized.System control unit all can freely dispose on quantity and function according to demand, thereby satisfies the user carries out free configuration to transformer station's function requirement.System control unit is realized functions such as protection, measurement, control, communication based on microcomputer technology; By level bus and process bus and station level, the process layer devices exchange information of standing.Module has taken into full account reliability, open requirement in the software and hardware global design.Adopt the rear loading type insert design, guarantee the flexible configuration of system.Plate can charged hot plug, and realizes the self-identifying and the fault alarm of plug-in unit.
System control unit adopts embedded Intel processor unit, and multiple CPU parallel processing technology provides two 100M Ethernet interfaces, the characteristics that have high speed processing, reliable and stable, aboundresources and be convenient to expand.CPU adopts the embedded type low-power consumption high-speed processor chip, processing speed reaches 800MIPS, has floating-point coprocessor, has solved the problem that floating-point operation expends a large amount of cpu resources, and meanwhile power consumption but has only 4.5 watts.
Software configuration is abideed by the logical node design of IEC61850 standard fully, adopts OO dynamic modeling technology, built-in interrelated logic node, and support function freely distributes, and satisfies whole communicating requirements of IEC61850 standard.
Every equipment provides 10M/100M Dual-Ethernet interface; Provide RS232, RS485/422 interface to be used for debugging, to safeguard.
Have local liquid crystal display, operating function.
Be furnished with the unified through engineering approaches system integration instrument that meets the IEC61850 standard, resolve, generate the SCL configuration file, support off-line, Configuration Online.
The configuration information static state that equipment can provide according to the IED configuration file that instrument generates is set up traffic model.
Fully support the SCSM protocol stack: TCP/IP, UDP, IEEE802.3 etc.; Adopt the MMS (Microsoft Media Server) Protocol stack of independent development.
Can realize protecting, monitor, record the integrated of technology such as ripple, metering and based on the unified configuration of full station system, for improving protection and automatization level, performance digital transformer substation advantage has crucial meaning.Relaying protection is an of paramount importance link in the automation of transformation substations technology, realizes that the centralization of defencive function also is the core of measuring and controlling protective device centralization technology of the present invention.
Measuring and controlling protective device of the present invention is based on full station information, and as complete object of protection, the unified defencive function of considering full station has been realized the centralization defencive function with transformer station.Centralization protection has realized the centralization on the resist technology of different interval, and realizes full station protection centralization in logic.
Invention has been described according to specific exemplary embodiment herein.It will be conspicuous carrying out suitable replacement to one skilled in the art or revise under not departing from the scope of the present invention.Exemplary embodiment only is illustrative, rather than to the restriction of scope of the present invention, scope of the present invention is by appended claim definition.
Claims (5)
1, a kind of centralized digital transformer substation microcomputer measuring and controlling protective device obtains the electrical data at full station by network, and realizes protection and observing and controlling to related electric equipment by network control related electric equipment, and this device comprises:
Network interface is used to connect each equipment;
Hot-swappable redundant power is for whole measuring and controlling protective device provides power supply;
A plurality of system control unit modules have flush bonding processor, serial ports expansion device, network ejector, are used for observing and controlling and a plurality of related electric equipment of protection;
At least one Optical Fiber Transmission module is used to transmit the data between each parts of whole measuring and controlling protective device;
At least one intelligent heat dissipation system is used for each parts of whole measuring and controlling protective device are dispelled the heat;
Display operation module on the spot is used for the state of a plurality of related electric equipment of long-range demonstration, and it is controlled and operates;
The man-machine interface processor is used for user's operating command is converted to the control action of a plurality of related electric equipment.
2, centralized digital transformer substation microcomputer measuring and controlling protective device as claimed in claim 1; it is characterized in that a realization in described a plurality of system control unit module to the monitoring and protection function of a related electric equipment, and described a plurality of system control unit module can carry out freely disposing according to user's request on quantity and function.
3, as claim 1,2 arbitrary described centralized digital transformer substation microcomputer measuring and controlling protective devices; it is characterized in that described a plurality of system control unit module adopts the rear loading type insert design; each plate can charged hot plug, and has the automatic identification and the fault alarm function of plug-in unit.
4, as claim 1,2 arbitrary described centralized digital transformer substation microcomputer measuring and controlling protective devices; it is characterized in that described a plurality of system control unit module adopts embedded Intel processor unit; multiple CPU parallel processing technology provides two 100M Ethernet interfaces, has floating-point coprocessor.
5, centralized digital transformer substation microcomputer measuring and controlling protective device as claimed in claim 3; it is characterized in that described a plurality of system control unit module adopts embedded Intel processor unit; multiple CPU parallel processing technology provides two 100M Ethernet interfaces, has floating-point coprocessor.
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| CN 200810238988 CN101447697A (en) | 2008-12-08 | 2008-12-08 | Microcomputer measuring and controlling protective device for centralized type digital transformer substation |
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| CN 200810238988 CN101447697A (en) | 2008-12-08 | 2008-12-08 | Microcomputer measuring and controlling protective device for centralized type digital transformer substation |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101719696B (en) * | 2009-12-21 | 2012-07-04 | 中国电力科学研究院 | Centralized bus protection device and method applied to digitized transformer station |
| CN101854052B (en) * | 2010-02-08 | 2012-07-25 | 广东电网公司中山供电局 | Sampling data passageway switching method and device in main transformer protection of digitalized substation |
| CN103840552A (en) * | 2014-02-14 | 2014-06-04 | 深圳供电局有限公司 | Power distribution room monitoring method and system |
| CN105094010A (en) * | 2015-07-01 | 2015-11-25 | 国家电网公司 | Relay protection device plug-and-play management method and system |
| CN109474072A (en) * | 2018-11-20 | 2019-03-15 | 国电南瑞科技股份有限公司 | A kind of intelligent substation cluster measure and control device and its traffic model generation method |
-
2008
- 2008-12-08 CN CN 200810238988 patent/CN101447697A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101719696B (en) * | 2009-12-21 | 2012-07-04 | 中国电力科学研究院 | Centralized bus protection device and method applied to digitized transformer station |
| CN101854052B (en) * | 2010-02-08 | 2012-07-25 | 广东电网公司中山供电局 | Sampling data passageway switching method and device in main transformer protection of digitalized substation |
| CN103840552A (en) * | 2014-02-14 | 2014-06-04 | 深圳供电局有限公司 | Power distribution room monitoring method and system |
| CN103840552B (en) * | 2014-02-14 | 2016-05-04 | 深圳供电局有限公司 | Power distribution room monitoring method and system |
| CN105094010A (en) * | 2015-07-01 | 2015-11-25 | 国家电网公司 | Relay protection device plug-and-play management method and system |
| CN109474072A (en) * | 2018-11-20 | 2019-03-15 | 国电南瑞科技股份有限公司 | A kind of intelligent substation cluster measure and control device and its traffic model generation method |
| CN109474072B (en) * | 2018-11-20 | 2022-06-14 | 国电南瑞科技股份有限公司 | Intelligent substation cluster measurement and control device and communication model generation method thereof |
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Application publication date: 20090603 |