CN106300684A - A kind of intelligent integral towards transformer station's standby power system monitors method - Google Patents

A kind of intelligent integral towards transformer station's standby power system monitors method Download PDF

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Publication number
CN106300684A
CN106300684A CN201610948729.0A CN201610948729A CN106300684A CN 106300684 A CN106300684 A CN 106300684A CN 201610948729 A CN201610948729 A CN 201610948729A CN 106300684 A CN106300684 A CN 106300684A
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China
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power
supply
iec61850
data
intelligent
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CN201610948729.0A
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Inventor
易建波
井实
黄琦
吴新保
韩蕾
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University of Electronic Science and Technology of China
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University of Electronic Science and Technology of China
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Priority to CN201610948729.0A priority Critical patent/CN106300684A/en
Publication of CN106300684A publication Critical patent/CN106300684A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/0006Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network for single frequency AC networks
    • H02J13/0013Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network for single frequency AC networks characterised by transmission structure between the control or monitoring unit and the controlled or monitored unit
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00Application independent communication protocol aspects or techniques in packet data networks
    • H04L69/08Protocols for interworking or protocol conversion
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00Application independent communication protocol aspects or techniques in packet data networks
    • H04L69/18Multi-protocol handler, e.g. single device capable of handling multiple protocols
    • 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
    • Y02E60/7838
    • 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
    • Y04S10/18Systems supporting electrical power generation, transmission or distribution using switches, relays or circuit breakers, e.g. intelligent electronic devices [IED]
    • 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

Abstract

The invention discloses a kind of intelligent integral towards transformer station's standby power system and monitor method, integration power-supply system front-end acquisition device is utilized to complete the hetero-com-munication information aggregate of each power subsystem, and each for power supply subsystem monitors is combined in same monitor supervision platform, again on the basis of IEC61850 communication protocol, specification and perfect collection information, realize integration power-supply system comprehensive, accurate on line real-time monitoring, so guarantee the data information sharing between each power subsystem, and support intelligent diagnostics, the senior application functions such as analysis, finally realize the intellectuality of intelligent transformer station, networking requirement.

Description

A kind of intelligent integral towards transformer station's standby power system monitors method
Technical field
The invention belongs to electric power information technical field, more specifically, relate to a kind of standby towards transformer station The intelligent integral monitoring method of power-supply system.
Background technology
Traditional transformer station's standby electricity management system, its equipment is produced by different manufacturers, install, is debugged, exists each other The problems such as communication protocol is incompatible, and data information sharing difference is low with automaticity.Additionally, system monitoring information is imperfect, The equipment that only achieves basic " remote measurement ", the monitoring of " remote signalling " parameter, and " remote control " function of unrealized intelligent substation.By right The careful of transformer station's stand-by power supply monitoring system of application investigates and analyzes at present, sums up problems with: (1) system is supervised online Control imperfect.Existing integrated power supply monitoring system carries out on-line monitoring, not mainly for the basic parameter of each appliance arrangement Consider the on-line monitoring to modules such as bus feeder line, inverter, commutators.In actual motion, integrated power supply monitoring system Imperfect, serious consequence, the such as circuit breaker trip of bus feeder line can be produced, protection and automaton are because of residing running environment Temperature is too high and crashes, when system malfunctions, and protection and the possible tripping of automaton, tripping operation of bypassing the immediate leadership, accidents caused, Economic asset is caused to lose.(2) automaticity is the highest.The each subscriber device of integration power-supply system is raw by different suppliers Producing, install, debug, communication protocol to each other is the most incompatible, and data message is difficult to share, it is difficult to realize intelligent transformer station The functions such as intellectuality, networking.(3) the senior application function such as inline diagnosis, analysis is lacked.The system failure is failing to send out in time Now process, certain module from service of integration power-supply system may be caused, even affect the safe and stable operation of whole system. Such as accumulator battery or percentage of batteries lost efficacy (under-voltage, SOC is not enough) time, charge-discharge modules or inversion rectification module fault are the most timely Process, whole power-supply system DC voltage losing will be caused, cause protection and automaton tripping, affect integration power-supply system safety Run.
Novel transformer substation standby power system, uses for reference intelligent transformer station core concept, enters tradition station power source system Row is integrated comprehensively, by alternating current power supply, uninterrupted power source (UPS), inverter, communication power supply, DC-DC power source, conventional accumulator Group and standby battery group, Uniting produces, debugs, monitors, and by communication network, each subsystem smart machine is accessed one Body monitor supervision platform, it is achieved the intellectuality of intelligent transformer station, networking and information sharing.But existing transformer station stand-by power supply Monitoring system is difficult to meet the basic demand of intelligent intelligent substation, networking, information sharing, be badly in need of invention a kind of towards The integrated power supply monitoring system engineering design method of intelligent transformer station standby power system and application function system.At present IEC61850 agreement is the international standard of intelligent substation communication network, and its basic goal is to solve intelligent electronic device (IED) Interoperability and seamless link, and model description mutual for intelligent transformer substation information provides basic skills and standard.
In recent years, substation information modeling method based on IEC61850 and application technology had had breakthrough, such as, have Document proposes the functional requirement monitored according to gas insulated combined electrical equipment (GIS), sets up the IED information model of GIS status monitoring, And the modeling of analysis substation equipment on-line monitoring system IED, the realization side that the data between design IED and monitoring means map Method, or database model is divided into information model, device model, application model three part, at the base of IEC61850 data class The method to the modeling of data base's information model is proposed on plinth.
More above-mentioned achievements in research show that substation information modeling technique based on IEC61850 agreement is the most ripe, but It is that the information model to transformer station's integration power-supply system and standardization access problem and rarely have research.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of intelligence towards transformer station's standby power system Energy integrated monitoring method, on the basis of IEC61850 communication protocol, specification and perfect collection information, it is achieved intelligent integral electricity The on line real-time monitoring of origin system.
For achieving the above object, a kind of intelligent integral monitoring side towards transformer station's standby power system of the present invention Method, it is characterised in that comprise the following steps:
(1), on-line monitoring platform utilizes Ethernet interface to send the instruction of intelligent integral power-supply system state acquisition to one Body power-supply system front-end acquisition device;
(2), acquisition instructions is converted to by the IEC61850 protocol converter in integration power-supply system front-end acquisition device Corresponding CAN or MODBUS protocol data bag, then it is forwarded to information acquisition module by monitoring host computer, information acquisition module reads Acquisition instructions in CAN or MODBUS protocol data bag, and utilize RS485, RS232 communication interface according to acquisition instructions to intelligence The each subsystem of integration power-supply system carries out data acquisition;
(3), the collection data of each for intelligent integral power-supply system subsystem are packaged as CAN or MODBUS protocol data bag By the anti-information acquisition module of delivering to of RS485 or RS232 communication interface, and it is forwarded to IEC61850 stipulations by monitoring host computer and turns Parallel operation;;
(4), that CAN or MODBUS protocol data bag is converted into intelligent substation is discernible for IEC61850 protocol converter Model data;
(4.1), IEC61850 protocol converter reads CAN or MODBUS protocol data bag, and carries out data encoding, envelope Dress, then the data after coding, encapsulation are converted to IEC61850 protocol data bag;
(4.2), according to IEC61850 agreement stipulations, intelligent integral power-supply system is modeled, by IEC61850 agreement Packet is converted into the discernible model data of intelligent substation;
(4.2.1), according to the requirement of intelligent transformer station and IEC61850 agreement stipulations, by intelligent integral power-supply system Function is divided into accumulator, alternating current power supply, DC source, communication power supply, ups power, inverter six energy model subsystem;
(4.2.2), each model subsystem can be built intelligent electronic device IED information model;
Actual functional capability according to each energy model subsystem and system logic structure relation, determine patrolling of each IED Collect in node LN, then the IED of the intelligent integral power-supply system that LN is assigned to reality, then connect according to the logic between LN Determine the communication mode between IED;
(4.2.3), utilize IEC61850 agreement stipulations that intelligent substation configuration is described language SCL, and then to intelligence one The IED of body power-supply system is described, and describes content and includes logical node class, data object DO, data attribute DA;
Then intelligent integral power-supply system is carried out IEC6185 engineering configuration;Its configuration flow is each power-supply device IED Generated the ICD file of equipment by the configuration tool respectively carried, the SSD file of ICD file and manual configuration is imported this locality system System configuration tool, generates SCD file, then SCD file imports the configuration tool respectively carried, the CID file of equipment leading out device, Downloading to run in IEC61850 protocol converter, the language having configured each power-supply device IED describes;
(5), on-line monitoring platform the data received are monitored display, on-line monitoring platform also sends remote control and refers to simultaneously Make to IEC61850 protocol converter, after IEC61850 protocol converter decodes, be transmitted to monitoring host computer, it is achieved integration Power-supply system distant control function.
The goal of the invention of the present invention is achieved in that
A kind of intelligent integral towards transformer station's standby power system of the present invention monitors method, utilizes integrated power supply system System front-end acquisition device completes the hetero-com-munication information aggregate of each power subsystem, and combines in same by each for power supply subsystem monitors Monitor supervision platform, then on the basis of IEC61850 communication protocol, specification and perfect collection information, it is achieved integration power-supply system is comprehensive , accurate on line real-time monitoring, so guarantee the data information sharing between each power subsystem, and support intelligent diagnostics, point The senior application functions such as analysis, finally realize the intellectuality of intelligent transformer station, networking requirement.
Accompanying drawing explanation
Fig. 1 is that a kind of intelligent integral towards transformer station's standby power system of the present invention monitors Organization Chart;
Fig. 2 is integration power-supply system front-end acquisition device schematic diagram;
Fig. 3 is IEC64850 stipulations flow path switch figure;
Fig. 4 is that intelligent integral power-supply system function is divided into six functional mode subsystem schematic diagrams;
Fig. 5 is SCL configuration flow figure.
Detailed description of the invention
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described, in order to those skilled in the art is preferably Understand the present invention.Requiring particular attention is that, in the following description, when known function and design detailed description perhaps When can desalinate the main contents of the present invention, these are described in and will be left in the basket here.
Embodiment
Describe for convenience, first the relevant speciality term occurred in detailed description of the invention illustrated:
IEC61850 (International Electrotechnical Committee): International Electrotechnical Commission formulates Substation communication network and system international standard
CAN (Controller Area Network): controller local area network
MODBUS: network communication protocol
IED (Intelligent Electronic Device): intelligent electronic device
LN (Logical Node): logical node
DO (Data Object): data object
DA (Data Attribute): data attribute
ICD (IED Capability Description): IED ability description
SCD (Substation Configuration Description): the system configuration of full station describes
SSD (System Specification Description): system specifications describes.
Fig. 1 is that a kind of intelligent integral towards transformer station's standby power system of the present invention monitors Organization Chart.
In the present embodiment, as it is shown in figure 1, a kind of intelligent integral towards transformer station's standby power system of the present invention is supervised Prosecutor method, is that the monitoring of each for intelligent integral power-supply system subsystem is combined in identical platform, with IEC61850 communication protocol is Benchmark, specification and perfect collection information, it is achieved integration power-supply system on line real-time monitoring comprehensive, accurate, it is ensured that each son Data information sharing between system, and support the senior application function such as intelligent diagnostics, analysis, finally realize intelligent transformer station Intelligent, networking requirement.
Wherein, as it is shown in figure 1, intelligent integral power-supply system includes alternating current power supply subsystem, DC source subsystem, leads to Letter power subsystem, uninterrupted power source (UPS) subsystem, inverter subsystem, accumulator subsystem.
Devices in system is manufactured by different suppliers, install, is debugged, the design that general employing is separate, therefore, The collection information of each equipment running status and control information are concentrated on integration power-supply system front-end acquisition device, it is achieved respectively set The unified of standby information gathers and the control of equipment running status.Integration power-supply system front-end acquisition device contain RS485, The communication interfaces such as RS232, CAN, Ethernet, wherein RS485, RS232, the communication interface of CAN are used for and intelligence one The communication of each subsystem of body power-supply system, Ethernet interface is used for and intelligent integral power-supply system on-line monitoring platform or remote Journey transformer substation communication, its communication protocol uses IEC61850 stipulations, it is ensured that each intersubsystem communication standard and the unification of agreement, and Realize the accessible communication of each subsystem and monitor supervision platform.
Intelligent integral power supply monitoring system mainly realizes the subscriber device such as alternating current power supply, DC source, communication power supply Monitoring and the intelligent alarm in real time of running state information.Wherein, monitor in real time, by figure, numeral, curve, wiring diagram mode, Show each subscriber device running status, by mouse, the keyboard operation to monitoring interface, send relevant control instruction, it is achieved On-line Control to each subscriber device;Intelligent alarm, by figure, numeral, curve mode, it is achieved each subsystem remote signalling, distant Survey, remote control and alarm.
Intelligent integral monitoring method towards transformer station standby power system a kind of to the present invention is carried out specifically below Bright, specifically include following steps:
(1), on-line monitoring platform utilizes Ethernet interface to send the instruction of intelligent integral power-supply system state acquisition to one Body power-supply system front-end acquisition device;
(2), acquisition instructions is converted to by the IEC61850 protocol converter in integration power-supply system front-end acquisition device Corresponding CAN or MODBUS protocol data bag, then it is forwarded to information acquisition module by monitoring host computer, information acquisition module reads Acquisition instructions in CAN or MODBUS protocol data bag, and utilize RS485, RS232 communication interface according to acquisition instructions to intelligence The each subsystem of integration power-supply system carries out data acquisition, wherein, the data of collection include digital data acquisition, analog acquisition and Switch acquisition;
(3), the collection data of each for intelligent integral power-supply system subsystem are packaged as CAN or MODBUS protocol data bag By the anti-information acquisition module of delivering to of RS485 or RS232 communication interface, and it is forwarded to IEC61850 stipulations by monitoring host computer and turns Parallel operation;
In above-mentioned three steps, information acquisition module, monitoring host computer and IEC61850 protocol converter collectively form integration Power-supply system front-end acquisition device, as shown in Figure 2;
Wherein, monitoring host computer, use descending serial ports passage and the framework of up serial ports passage;Descending serial ports passage passes through RS232, RS485, CAN access information acquisition module, carry out collection and the management of status data;Up serial ports passage is by not apposition The status data of formula sends to IEC61850 protocol converter, and carries out the conversion of IEC61850 agreement;
As it is shown on figure 3, IEC61850 protocol converter realizes data exchange interface and the mapping of data form and conversion merit Can, its transformation process is: be converted to by the multiple data communication convention such as RS232, RS485 of respective intelligent electronic device (IED) IEC61850 standard traffic stipulations, it is achieved the management of various IED and the interconnection of equipment room, interoperability in integration power-supply system; On the one hand the collection information sent by monitoring host computer, is carried out encoding, packing by the agreement of agreement, sends to monitor supervision platform, another The instruction that monitor supervision platform is sent by aspect issues monitoring host computer through decoding, it is achieved real-time remote measurement, remote signalling, remote control.These stipulations Transducer is integrated in the inside of monitoring host computer;
(4), that CAN or MODBUS protocol data bag is converted into intelligent substation is discernible for IEC61850 protocol converter Model data;
(4.1), IEC61850 protocol converter reads CAN or MODBUS protocol data bag, and carries out data encoding, envelope Dress, then the data after coding, encapsulation are converted to IEC61850 protocol data bag;
(4.2), according to IEC61850 agreement stipulations, intelligent integral power-supply system is modeled, by IEC61850 agreement Packet is converted into the discernible model data of intelligent substation;
(4.2.1), according to the requirement of intelligent transformer station and IEC61850 agreement stipulations, by intelligent integral power-supply system Function is divided into accumulator, alternating current power supply, DC source, communication power supply, ups power, inverter six energy model subsystem;
As shown in Figure 4, wherein alternating current power supply and ups power can be divided into transformator and ups power monitoring running state, hand over Flow to line, bus, feeder line, bypass inlet wire monitoring running state, and exchange automatic switching control equipment running state monitoring;Unidirectional current Source and communication power supply are decomposed into silicon dropping equipment and DC/DC power supply running state monitoring, direct current inlet wire, bus, feeder line state Monitoring;Inverter is decomposed into invertor operation condition monitoring, and alternating current inlet wire, bus, feeder line, bypass inlet wire running status are supervised Survey, and direct current inlet wire monitoring running state;Battery monitor is decomposed into charger running state monitoring, cell, battery Group status monitoring, direct current inlet wire, bus, feeder line status monitoring;
(4.2.2), each model subsystem can be built intelligent electronic device IED information model;
Actual functional capability according to each energy model subsystem and system logic structure relation, determine patrolling of each IED Collect in node LN, then the IED of the intelligent integral power-supply system that LN is assigned to reality, then connect according to the logic between LN Determine the communication mode between IED;
(4.2.3), utilize IEC61850 agreement stipulations that intelligent substation configuration is described language SCL, and then to intelligence one The IED of body power-supply system is described, and describes content and includes logical node class, data object DO, data attribute DA;
Then intelligent integral power-supply system is carried out IEC6185 engineering configuration;As it is shown in figure 5, its configuration flow is each Power-supply device IED generates the ICD file of equipment by the configuration tool respectively carried, by ICD file and the SSD file of manual configuration Import local system configuration tool, generate SCD file, then SCD file is imported the configuration tool respectively carried, equipment leading out device CID file, download in IEC61850 protocol converter run, configure each power-supply device IED language description;
(5), on-line monitoring platform the data received are monitored display, on-line monitoring platform also sends remote control and refers to simultaneously Make to IEC61850 protocol converter, after IEC61850 protocol converter decodes, be transmitted to monitoring host computer, it is achieved integration Power-supply system distant control function.
Although detailed description of the invention illustrative to the present invention is described above, in order to the technology of the art Personnel understand the present invention, the common skill it should be apparent that the invention is not restricted to the scope of detailed description of the invention, to the art From the point of view of art personnel, as long as various change limits and in the spirit and scope of the present invention that determine in appended claim, these Change is apparent from, and all utilize the innovation and creation of present inventive concept all at the row of protection.

Claims (3)

1. the intelligent integral towards transformer station's standby power system monitors method, it is characterised in that comprise the following steps:
(1), on-line monitoring platform utilizes Ethernet interface to send the instruction of intelligent integral power-supply system state acquisition to integration Power-supply system front-end acquisition device;
(2), acquisition instructions is converted to correspondence by the IEC61850 protocol converter in integration power-supply system front-end acquisition device CAN or MODBUS protocol data bag, then be forwarded to information acquisition module by monitoring host computer, information acquisition module reads Acquisition instructions in CAN or MODBUS protocol data bag, and utilize RS485, RS232 communication interface according to acquisition instructions to intelligence The each subsystem of integration power-supply system carries out data acquisition;
(3), the collection data of each for intelligent integral power-supply system subsystem are packaged as CAN or MODBUS protocol data bag to pass through The anti-information acquisition module of delivering to of RS485 or RS232 communication interface, and it is forwarded to the conversion of IEC61850 stipulations by monitoring host computer Device;
(4), CAN or MODBUS protocol data bag is converted into the discernible model of intelligent substation by IEC61850 protocol converter Data;
(4.1), IEC61850 protocol converter read CAN or MODBUS protocol data bag, and carry out data encoding, encapsulation, then Data after coding, encapsulation are converted to IEC61850 protocol data bag;
(4.2), according to IEC61850 agreement stipulations, intelligent integral power-supply system is modeled, by IEC61850 protocol data Bag is converted into the discernible model data of intelligent substation;
(4.2.1), according to the requirement of intelligent transformer station and IEC61850 agreement stipulations, by intelligent integral power-supply system function Be divided into electric power storage, alternating current power supply, DC source, communication power supply, ups power, inverter six can model subsystem;
(4.2.2), each model subsystem can be built intelligent electronic device IED information model;
Actual functional capability according to each energy model subsystem and system logic structure relation, determine the logic joint of each IED Point LN, then in the IED of the intelligent integral power-supply system that LN is assigned to reality, then connect according to the logic between LN and determine Communication mode between IED;
(4.2.3), utilize IEC61850 agreement stipulations that intelligent substation configuration is described language SCL, and then to intelligent integral The IED of power-supply system is described, and describes content and includes logical node class, data object DO, data attribute DA;
Then intelligent integral power-supply system is carried out IEC61850 engineering configuration;Its configuration flow is that each power-supply device IED leads to Cross the configuration tool respectively carried and generate the ICD file of equipment, the SSD file of ICD file and manual configuration is imported local system Configuration tool, generates SCD file, then SCD file imports the configuration tool respectively carried, the CID file of equipment leading out device, under Being downloaded in IEC61850 protocol converter run, the language having configured each power-supply device IED describes;
(5), on-line monitoring platform the data received are monitored display, on-line monitoring platform also sends telecommand extremely simultaneously IEC61850 protocol converter, is transmitted to monitoring host computer, it is achieved integrated power supply after IEC61850 protocol converter decodes System remote control function.
A kind of intelligent integral towards transformer station's standby power system the most according to claim 1 monitors method, and it is special Levying and be, described information acquisition module, monitoring host computer and IEC61850 protocol converter collectively form integration power-supply system Front-end acquisition device;
Wherein, described monitoring host computer, use descending serial ports passage and the framework of up serial ports passage;Descending serial ports passage passes through RS232, RS485, CAN access information acquisition module, carry out collection and the management of status data;Up serial ports passage is by not apposition The status data of formula sends to IEC61850 protocol converter, and carries out the conversion of IEC61850 agreement.
A kind of intelligent integral towards transformer station's standby power system the most according to claim 1 monitors method, and it is special Levy and be, in described step (2), each power subsystem is carried out data acquisition, specifically include digital data acquisition, analog quantity is adopted Collection and switch acquisition.
CN201610948729.0A 2016-10-26 2016-10-26 A kind of intelligent integral towards transformer station's standby power system monitors method Pending CN106300684A (en)

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CN109302468A (en) * 2018-09-25 2019-02-01 许继集团有限公司 A kind of interface arrangement and monitoring system of the interconnection of distributed electrical source information

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