CN101414763A - System for monitoring transforming plant DC - Google Patents

System for monitoring transforming plant DC Download PDF

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Publication number
CN101414763A
CN101414763A CNA2008102311936A CN200810231193A CN101414763A CN 101414763 A CN101414763 A CN 101414763A CN A2008102311936 A CNA2008102311936 A CN A2008102311936A CN 200810231193 A CN200810231193 A CN 200810231193A CN 101414763 A CN101414763 A CN 101414763A
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CN
China
Prior art keywords
computer
end processor
optical
fibre channel
prepositive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CNA2008102311936A
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Chinese (zh)
Inventor
申润田
张爱国
郝建刚
武玉丰
邵利坤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HUNAN ELECTRIC POWER COMPANY HEBI POWER SUPPLY Co
Original Assignee
HUNAN ELECTRIC POWER COMPANY HEBI POWER SUPPLY Co
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Publication date
Application filed by HUNAN ELECTRIC POWER COMPANY HEBI POWER SUPPLY Co filed Critical HUNAN ELECTRIC POWER COMPANY HEBI POWER SUPPLY Co
Priority to CNA2008102311936A priority Critical patent/CN101414763A/en
Publication of CN101414763A publication Critical patent/CN101414763A/en
Pending legal-status Critical Current

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    • 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
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20Smart grids as enabling technology in buildings sector
    • 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
    • Y04S10/30State monitoring, e.g. fault, temperature monitoring, insulator monitoring, corona discharge
    • 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
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • 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
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/124Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
    • 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
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission

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  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The present invention discloses a transformer DC monitoring system, which consists of a far-end measurement control unit, an optical fiber channel input unit, an optical fiber channel, a server, a workstation and a client. A prepositive computer is arranged between the optical fiber channel input unit and the optical fiber channel; the prepositive computer consists of a main prepositive computer, a deputy prepositive computer and a dual-computer switching device; the dual-computer switching device is connected with the optical fiber channel input unit; the main prepositive computer and the deputy prepositive computer are both connected with the dual-computer switching device; the communication mode between the main prepositive computer and the deputy prepositive computer adopts GPS wireless mode; data monitoring, parameter setting, data analog, data pre-treatment and data transmission computer programs are arranged in the main prepositive computer and the deputy prepositive computer in advance. The transformer DC monitoring system makes full use of existing equipment to establish a long-distance centralized DC monitoring system which is applicable to various substations and improve the comprehensive monitoring level, openness and expandability of the system and the stability and reliability of the monitoring. The transformer DC monitoring system is used for power systems.

Description

A kind of system for monitoring transforming plant DC
Technical field
The present invention relates to comprehensive automation of electric power system administrative skill field, especially relate to a kind of system for monitoring transforming plant DC.
Background technology
Dc operation power supply system is one of indispensable secondary device in the electric substation, and its reliability directly influences the safe and reliable operation of substation facilities.The application of a large amount of microcomputer protecting devices and comprehensive automation equipment, and the employing of valve-control sealed lead acid battery, also more and more higher to the requirement of direct current operative power source.But still original management method and pattern are managed and move basically to existing direct current, is difficult to the requirement to direct current system of adaptation comprehensive automation and unattended station.Existing operation monitoring is all in the control centre or concentrator station, the part signal of flow directing device inserts to combine passes to the management and running personnel from system, what the management and running personnel more were concerned about is the whole system operation conditions, the flow directing device signal is the same with other apparatus signals, just some supplementarys are just noted after breaking down.Even behind the fault alarm, the dispatcher also is Advise By Wire DC operation personnel in-situ processings, efficient is very low, and DC operation is in a kind of passive pattern, promptly break down and just handle, can not initiatively prevention prediction accident, the very first time grasp the direct current system operation conditions, operation has brought certain hidden danger to system.Therefore, it is very necessary setting up a cover direct current remote monitoring management system at county, the above unit of city-level.Yet, when setting up a cover direct current remote monitoring management system direct current operative power source of numerous electric substations or transformer station being monitored, need to guarantee the efficient of network data transmission, thereby assurance timeliness of monitoring, when online data upload node too much, when data volume is excessive, the task of online data processing and transmission node is heavy, the delay that often causes data to transmit, if online data processing and transmission node break down, then can cause the data of all data upload nodes can't arrive the centralized monitor center.At last, at present most of DC equipment of transformer station has installed that battery is patrolled and examined and insulation detection device, these equipment and device itself have digital interface, but the equipment of each transformer station may come from different manufacturers, thereby these data of integration transmission become a problem demanding prompt solution; Simultaneously, use in the transformer station of high frequency switch power, the collection of data mainly relies on the microcomputer direct current watch-dog that original system uses in standing; As seen, how too weak or do not possess and realize under the situation of microcomputer direct current watch-dog that the remote centralized control direct current also becomes problem to be solved is arranged in the microcomputer direct current monitor functions that original system uses.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of system for monitoring transforming plant DC, making full use of on the basis of existing equipment, make up and be fit to numerous transformer stations remote centralized direct-current supervision system, the comprehensively monitoring level of raising system, opening and autgmentability and the stability in monitoring and the reliability of system.
For achieving the above object, the present invention by the following technical solutions:
System for monitoring transforming plant DC of the present invention comprises far-end measurement and control unit, optical-fibre channel input unit, optical-fibre channel, server, work station and client computer; The optical-fibre channel input unit links to each other with optical-fibre channel with the far-end measurement and control unit respectively, and server, work station and client computer link to each other with optical-fibre channel respectively; Between described optical-fibre channel input unit and optical-fibre channel, also be provided with front end processor, this front end processor adopts two-node cluster hot backup version, this front end processor comprises main front end processor, secondary front end processor and two-shipper switching device shifter, the two-shipper switching device shifter links to each other with the optical-fibre channel input unit, main front end processor all links to each other with the two-shipper switching device shifter with secondary front end processor, and the communication modes between main front end processor and the secondary front end processor adopts the GPS wireless mode; Be preset with in described main front end processor and the secondary front end processor and be used for data monitoring, parameter setting, digital simulation, data preliminary treatment and data forwarding computer program.
Further, described far-end measurement and control unit also includes protocol converter; This protocol converter input connects the digital interface of transforming plant DC equipment, and its output connects the optical-fibre channel input unit; The default computer program that is used for different communication protocol conversions in the described protocol converter.
Further, described protocol converter is provided with two communication outputs, wherein one exports the existing comprehensive automation supervisory control comuter of termination, another output termination optical-fibre channel input unit.
Further, described far-end measurement and control unit also includes switch acquisition module and switch monitor module; The output of switch monitor module connects the input port of switch acquisition module, and the output port of switch acquisition module links to each other with the input of described protocol converter.
The invention has the beneficial effects as follows:
Front end processor of the present invention is the important step of system of the present invention, it finishes the up and down transmission of data between direct current administrative center and each substation, also possess data monitoring, parameter setting, digital simulation, data preliminary treatment and data forwarding function simultaneously, can alleviate the burden of online other processor nodes, the basis is provided and guarantee for realizing the power supply monitoring system function distribution of each node on the net.Front end processor of the present invention is designed to dual systems, forms the dual-locomotive heat alternate configuration, and when main front end processor broke down, guest machine was taken over main front end processor work immediately automatically, made the continuous reliability service of system.Adopt protocol converter can coordinate the communication protocol of existing equipment PORT COM, reduce equipment replacement, reduce the cost of system upgrade, in addition, protocol converter is provided with two communication outputs, wherein one exports the existing comprehensive automation supervisory control comuter of termination, another output termination optical-fibre channel input unit, so more help the expansion of system of the present invention, improved its opening and compatible.Further adopt switch acquisition module and switch monitor module, make the adaptability of far-end measurement and control unit wider, on the basis of not transforming existing switch, realize gathering and the pilot switch amount.
Other advantages of the present invention, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on being conspicuous to those skilled in the art, perhaps can obtain instruction from the practice of the present invention to investigating hereinafter.Target of the present invention and other advantages can realize and obtain by specifically noted structure in following specification or the accompanying drawing.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described.
Fig. 1 is the schematic diagram of front end processor among the present invention.
Fig. 2 is the connection diagram of far-end measurement and control unit among the present invention.
Fig. 3 is the schematic diagram of switch acquisition module among the present invention.
Embodiment
During concrete enforcement, the included far-end measurement and control unit of the present invention (RTU), optical-fibre channel input unit, optical-fibre channel, server, work station and client computer; The optical-fibre channel input unit links to each other with optical-fibre channel with the far-end measurement and control unit respectively, and server, work station and client computer link to each other with optical-fibre channel respectively; Its connection and related system software are default can use for reference existing data acquisition and supervisor control (SCADA system).
As shown in Figure 1, front end processor of the present invention is arranged between described optical-fibre channel input unit MODEM and the optical-fibre channel, this front end processor adopts two-node cluster hot backup version, this front end processor comprises main front end processor, secondary front end processor and two-shipper switching device shifter, the two-shipper switching device shifter links to each other with the optical-fibre channel input unit, main front end processor all links to each other with the two-shipper switching device shifter with secondary front end processor, and the communication modes between main front end processor and the secondary front end processor adopts the GPS wireless mode; Be preset with in described main front end processor and the secondary front end processor and be used for data monitoring, parameter setting, digital simulation, data preliminary treatment and data forwarding computer program.The front end processor of system of the present invention is the important step of system of the present invention, it finishes the up and down transmission of data between direct current administrative center and each substation, also possess data monitoring, parameter setting, digital simulation, data preliminary treatment and data forwarding function simultaneously, can alleviate the burden of online other processor nodes, for distributing, the function that realizes online each node of power supply monitoring system provides basis and assurance, improve the opening of system of the present invention, when centralized monitor is carried out in the more changeable power station of expansion connection, satisfied the ageing and stable of data transmission.Break down as front end processor, then whole system can't operate as normal, front end processor of the present invention is designed to dual systems, form the dual-locomotive heat alternate configuration, when main front end processor broke down, guest machine was taken over main front end processor work immediately automatically, made the continuous reliability service of system, therefore guarantee the reliability of front end processor, thereby guaranteed the whole system reliability.
As shown in Figure 2, far-end measurement and control unit of the present invention includes protocol converter, switch acquisition module, switch monitor module and direct-current supervision device.Described direct-current supervision device can adopt existing transforming plant DC equipment monitoring apparatus, bus insulation information links to each other with the direct-current supervision device with cell information, the direct-current supervision device is wanted to be connected with the protocol converter input, and one of them output of protocol converter connects optical-fibre channel input unit MODEM; The default computer program that is used for different communication protocol conversions in the described protocol converter.Protocol converter is provided with two communication outputs, the original comprehensive automation data-interface of a wherein output termination transformer station of protocol converter, original comprehensive automation data-interface can link to each other with original control microcomputer, another output termination optical-fibre channel input unit MODEM of protocol converter.Described far-end measurement and control unit also includes switch acquisition module and switch monitor module; The output of switch monitor module connects the input port of switch acquisition module, and the output port of switch acquisition module links to each other with the input of described protocol converter; The switch acquisition module is delivered to protocol converter after the switching value of transformer station is concentrated collection.
As shown in Figure 3, the switch acquisition module among the present invention adopts the Shi Misi trigger, effectively prevents malfunction.The switch acquisition module of present embodiment has 16 switching value input ports, switching value input port and microcontroller (MCU), port photoelectricity are isolated, isolation voltage DC3000V, microcontroller (MCU) adopt the MS51 series monolithic to handle the data of collection.The software and the hardware of the switch acquisition module of present embodiment all have house dog, can greatly improve the stability and the reliability of system, and communication interface adopts RS-485.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, other modifications that those of ordinary skills make technical scheme of the present invention or be equal to replacement, only otherwise break away from the spirit and scope of technical solution of the present invention, all should be encompassed in the middle of the claim scope of the present invention.

Claims (4)

1. a system for monitoring transforming plant DC comprises far-end measurement and control unit, optical-fibre channel input unit, optical-fibre channel, server, work station and client computer; The optical-fibre channel input unit links to each other with optical-fibre channel with the far-end measurement and control unit respectively, server, work station links to each other with optical-fibre channel respectively with client computer, it is characterized in that: between described optical-fibre channel input unit and optical-fibre channel, also be provided with front end processor, this front end processor adopts two-node cluster hot backup version, this front end processor comprises main front end processor, secondary front end processor and two-shipper switching device shifter, the two-shipper switching device shifter links to each other with the optical-fibre channel input unit, main front end processor all links to each other with the two-shipper switching device shifter with secondary front end processor, and the communication modes between main front end processor and the secondary front end processor adopts the GPS wireless mode; Be preset with in described main front end processor and the secondary front end processor and be used for data monitoring, parameter setting, digital simulation, data preliminary treatment and data forwarding computer program.
2. described system for monitoring transforming plant DC according to claim 1 is characterized in that: described far-end measurement and control unit also includes protocol converter; This protocol converter input connects the digital interface of transforming plant DC equipment, and its output connects the optical-fibre channel input unit; The default computer program that is used for different communication protocol conversions in the described protocol converter.
3. described system for monitoring transforming plant DC according to claim 2, it is characterized in that: described protocol converter is provided with two communication outputs, wherein one export the existing comprehensive automation supervisory control comuter of termination, another output termination optical-fibre channel input unit.
4. described system for monitoring transforming plant DC according to claim 3 is characterized in that: described far-end measurement and control unit also includes switch acquisition module and switch monitor module; The output of switch monitor module connects the input port of switch acquisition module, and the output port of switch acquisition module links to each other with the input of described protocol converter.
CNA2008102311936A 2008-12-04 2008-12-04 System for monitoring transforming plant DC Pending CN101414763A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102064605A (en) * 2010-11-25 2011-05-18 深圳市科陆电子科技股份有限公司 Method for realizing mutual hot backup of electric energy acquisition systems
CN102930713A (en) * 2012-10-31 2013-02-13 湖南大学 Multichannel synchronous data collecting system and collecting method of optical fiber Ethernet communication
CN110855004A (en) * 2019-11-28 2020-02-28 国网天津市电力公司 Intelligent station integrated monitoring system based on multi-station fusion

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102064605A (en) * 2010-11-25 2011-05-18 深圳市科陆电子科技股份有限公司 Method for realizing mutual hot backup of electric energy acquisition systems
CN102064605B (en) * 2010-11-25 2014-03-12 深圳市科陆电子科技股份有限公司 Method for realizing mutual hot backup of electric energy acquisition systems
CN102930713A (en) * 2012-10-31 2013-02-13 湖南大学 Multichannel synchronous data collecting system and collecting method of optical fiber Ethernet communication
CN110855004A (en) * 2019-11-28 2020-02-28 国网天津市电力公司 Intelligent station integrated monitoring system based on multi-station fusion
CN110855004B (en) * 2019-11-28 2023-05-09 国网天津市电力公司 Intelligent station integrated monitoring system based on multi-station fusion

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Open date: 20090422