CN108983043A - Power distribution network mesolow side operational monitoring main website management system - Google Patents
Power distribution network mesolow side operational monitoring main website management system Download PDFInfo
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- CN108983043A CN108983043A CN201810854955.1A CN201810854955A CN108983043A CN 108983043 A CN108983043 A CN 108983043A CN 201810854955 A CN201810854955 A CN 201810854955A CN 108983043 A CN108983043 A CN 108983043A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit 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
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- H02J13/10—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems 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
- Y04S40/12—Systems 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
- Y04S40/126—Systems 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
本发明提供配电网中低压侧运行监测主站管理系统，包括安装于中低压侧线路上的现场监测终端以及与现场监测终端通过网络数据传输装置相连接的远程监测主站，所述现场监测终端上设置状态量监测模块、可视化监测模块及人机交互界面；所述远程监测主站包括设置于配电网中控室的PC主机以及分别与所述PC主机连接的故障诊断模块、故障报警模块、应急策略库模块和预测分析模块。本发明通过对中低压侧线路的运行数据来监测运行状况，依据运行数据的变化间接反应线路的故障类型、类别，快速直接将信息发送至配电抢修中心，进行应急抢修，恢复正常供电，并能对故障信息进行预测与报警，可以起到综合性的保护、指导、监测、预警功能。
The invention provides a management system for the main station operation monitoring station on the medium and low voltage side of the distribution network, which includes an on-site monitoring terminal installed on the medium and low voltage side line and a remote monitoring main station connected to the on-site monitoring terminal through a network data transmission device. A state quantity monitoring module, a visual monitoring module and a human-computer interaction interface are set on the terminal; the remote monitoring master station includes a PC host installed in the distribution network central control room and a fault diagnosis module and a fault alarm module respectively connected to the PC host , emergency strategy library module and predictive analysis module. The invention monitors the operation status through the operation data of the medium and low voltage side lines, and indirectly reflects the fault type and category of the line according to the change of the operation data, and quickly and directly sends the information to the power distribution repair center for emergency repair, restores normal power supply, and It can predict and alarm fault information, and can play a comprehensive protection, guidance, monitoring, and early warning functions.
Description
Technical field
The present invention relates to power distribution network information monitoring technical field more particularly to power distribution network mesolow side operational monitoring main website pipes
Reason system.
Background technique
Power distribution network is the end power grid of power transmission network, is connected directly with vast power consumer, is connection power transmission network and user
Between highly important tie.However, the power distribution network in China operationally but needs to solve as early as possible there is problems at present,
Be mainly manifested in the following aspects: reliability is low, network loss is high, remote monitoring and control are difficult, fault location is difficult, meter reading meter
It is low to take difficulty, grid power quality.Due to lacking effective monitoring measure to power distribution network, electric power facility is stolen in Rural Power Distribution Network
Behavior, user steals electricity stealing etc. and cannot effectively prevent.
Meanwhile city and rural power grids power supply core network extend load center, branched line and main users rapid growth.One
Single-phase earthing or short-circuit trip accident occur for denier branched line or 0.4kV route, can not react to power scheduling and control in time
Center carries out failure and accident treatment as early as possible.When single-phase earthing occurs, needing manually to operate a switch carries out stopping one by one for earth fault
Electricity is searched, and the reliability of power supply is seriously affected；Short circuit, phase shortage or ground connection event occur especially in 0.4kV line powering system
When barrier, it can not be directly reflected into dispatching control center, maintenance personnel cannot understand in time or receive accurate letter when failure
Breath, greatlys restrict the rapid rush-repair respond to accident treatment.Most of failure needs Electricity customers to pass through in complaint
Grade reflects the heart directly up, carries out troubleshooting from top to down, and social influence is very big, causes the economic loss of Electricity customers, throws
Tell that rate is excessively high.
Over the years, as power distribution automation is in the extensive use of electric system, series of new techniques comes into effect utilization,
Also new opportunity is brought to the troubleshooting problem of distribution.The patent of Patent No. 201420208637.5 is related to power technology
Field, especially intelligent terminal Distribution Management System, including processor, power supply unit and multichannel buffered serial port, the power supply unit
It is connected to the processor with multichannel buffered serial port, further includes the sensing list having for acquiring switch, socket current voltage signal
Member, the sensing unit are connect by acquisition execution unit with processor；The processor be also connected with internal clock unit and
E2PROM data storage cell.After adopting the above structure, the electric parameters such as supply voltage, electric current, power can be accurately detected,
Accurate judgement is made to there is electric current overrun circuit, and issues current order and closes the ring current, improves safety.
The patent of Patent No. 201310569412.2 is related to electric power terminal field, specially distribution terminal operation management system
System, with existing distribution communication network, realizes the operation management of distribution terminal, using distribution terminal management agreement, collects distribution
Terminal device running state information and relevant analog quantity information set different classes of according to the processing rule formulated in advance
Standby operating status is handled, and is generated corresponding equipment state report, is assessed for equipment operation maintenance personnel equipment state, with
Determine Strategies of Maintenance；Meanwhile for distribution transformation, dilatation, modification distribution terminal definite value etc., using the present invention, operation maintenance personnel can
A distant place carries out definite value setting to distribution terminal, removes on-site maintenance from, saves very much the time, can also be improved electrical power distribution automatization system
Practicability.
For the feature that distribution is multi-point and wide-ranging, running environment is complicated under such a background, it is badly in need of studying a set of " distribution
Route mesolow side runs on-line monitoring system ", and a kind of preferable Fault Locating Method is found, so that staff is in failure
Failure capable of quickly and accurately being found after generation, point occurring, breakdown repair staff is enabled to reach fault in-situ progress in time
Troubleshooting, this is to reduction trouble shooting time, shortening because of failure power off time, raising distribution network reliability, raising work effect
Rate is all of great significance.
Summary of the invention
The object of the present invention is to provide power distribution network mesolow side operational monitoring main website management systems, pass through centering low pressure side line
The operation data on road monitors operation conditions, the fault type of the variation indirect reaction route according to operation data, classification, quickly
Power distribution rush-repair center is directly sent information to, emergency first-aid repair is carried out, restores normal power supply, and can predict fault message
With alarm, comprehensive protection, guidance, monitoring, warning function can be played.
The technical solution adopted to achieve the purpose of the present invention is: power distribution network mesolow side management system of operational monitoring main website
System, including being installed on the field monitoring terminal of mesolow side line road and being filled with field monitoring terminal by network data transmission
Set the long-range monitoring main website being connected, be arranged in the field monitoring terminal quantity of state monitoring modular, visualizing monitor module and
Human-computer interaction interface；The long-range monitoring main website include be set to power distribution network Central Control Room PC host and respectively with the PC master
Fault diagnosis module, fault alarm module, emergency policy library module and the forecast analysis module of machine connection.
Further, the quantity of state monitoring modular includes intelligent electric energy meter and metering current mulual inductor, the intelligence electricity
Can table connect intelligent capacitor protector, the metering current mulual inductor include closed loop Hall sensor, metering memory and
The data line being connect with the two.
Further, the visualizing monitor module includes controllable light source, dedicated high-definition camera and image preprocessing mould
Block.
Further, the human-computer interaction interface includes CPU and difference LCD MODULE connected to it, query key
Disk, the CPU connection network data transmission device.
Further, the network data transmission device includes short range monitoring sensor network and remote wireless network, institute
It states short range monitoring sensor network to transmit using GPRS data, the remote wireless network signal is using biography point-to-point over long distances
It is defeated.
Further, the input terminal of the network data transmission device connects data collecting card, and the data collecting card connects
Image pre-processing module is connect, the output end of the network data transmission device connects data concentrator.
Further, the remote wireless network includes GSM message transceiver module.
Further, the fault diagnosis module includes failure line selection module, section locating module and fault localization module.
Further, the emergency policy library module includes data-analyzing machine and network data connected to it storage
Device.
Further, the fault alarm module can be shown by remotely monitoring master station computer platform, can also pass through hand
Machine APP software realization remote alarms.
The power distribution network mesolow side operational monitoring main website management system beneficial effect of this programme is mainly reflected in following
Aspect:
1. low and medium voltage distribution network power supply quality can be greatly improved, it is mainly reflected in: power supply reliability can be greatly improved；Energy
Enough accomplish the timeliness for ensuring user power utilization；Meet the requirement of industrial technology equipment and household electrical appliance to power quality；Power distribution network
After breaking down can quickly resume power supply, reduce power failure area, reduce user's power failure probability；
2. the modern management for being conducive to improve power supply company is horizontal, it is mainly reflected in: can accomplishes real-time monitoring power distribution network
Operating condition optimizes the power distribution network method of operation；Operation loss of power grids can be reduced simultaneously；It can quickly judge simultaneously automatism isolation power grid
Failure；Due to the raising of automatization level, improve labor efficiency；Reasonable distribution power load improves equipment service efficiency；Also may be used
Meter reading note promptly and accurately is taken, it is ensured that Business Economic Benefit；
3. monitoring operation conditions by the operation data to branched line and 0.4kV route, the change according to operation data
Fault type, the classification for changing indirect reaction route, quickly directly send information to power distribution rush-repair center, carry out emergency first-aid repair,
Restore normal power supply.The application of this system can greatly mitigate the labor intensity of staff, shorten power off time, reduce
With electric loss, power supply reliability is improved, improves operation automation, the level of IT application.
Detailed description of the invention
Fig. 1 is structure principle chart of the invention.
Specific embodiment
As shown in Figure 1, power distribution network mesolow side operational monitoring main website management system, including it is installed on mesolow side line road
Field monitoring terminal and pass through the long-range monitoring main website 5 that is connected of network data transmission device 4 with field monitoring terminal, it is existing
Quantity of state monitoring modular 1, visualizing monitor module 2 and human-computer interaction interface 3 are set in field monitoring terminal；Long-range monitoring main website 5
PC host 6 and the fault diagnosis module 7, the fault alarm that are connect with PC host 6 respectively including being set to power distribution network Central Control Room
Module 8, emergency policy library module 9 and forecast analysis module 10.Quantity of state monitoring modular 1 includes intelligent electric energy meter 11 and metering electricity
Current transformer 12, intelligent electric energy meter 11 connect intelligent capacitor protector 13, and metering current mulual inductor includes closed loop hall sensing
Device, metering memory and the data line being connect with the two.Visualizing monitor module 2 includes controllable light source 14, dedicated height
Clear camera 15 and image pre-processing module 16.Human-computer interaction interface 3 includes CPU17 and liquid crystal display connected to it respectively
Module 18, inquiry keyboard 19, CPU connection network data transmission device.Network data transmission device 4 includes that short range monitors sensor
Network 20 and remote wireless network 21, short range are monitored sensor network and are transmitted using GPRS data, and remote wireless network signal is adopted
With long range point-to-point transmission.The input terminal of network data transmission device connects data collecting card, and data collecting card connects image
The output end of preprocessing module, network data transmission device connects data concentrator.Remote wireless network includes GSM message transmitting-receiving
Module.Fault diagnosis module includes failure line selection module, section locating module and fault localization module.Emergency policy library module packet
Include data-analyzing machine and network data store connected to it.Fault alarm module can be by remotely monitoring master station computer
Platform is shown, can also pass through cell phone application software realization remote alarms.
The system of the present invention program mainly includes two aspects, and one is the field monitoring for monitoring mesolow side line information
Terminal, the other is the long-range monitoring main website being connected with field monitoring terminal.
In practical applications, field monitoring terminal should realize the acquisition to mid & low-voltage line quantity of state, also realize prison
The visualization of the visualization and inquiry of survey, so, the former relies primarily on quantity of state monitoring modular, including is able to reflect route operation
The intelligent electric energy meter of information and the metering current mulual inductor of reflection route action message, wherein intelligent electric energy meter connection can be right
Its intelligent capacitor protector for playing the role of overvoltage protection, metering current mulual inductor include closed loop Hall sensor, measure and deposit
TBC-LTA series, high sensitivity can be used in reservoir and the data line connecting with the two, closed loop Hall current sensor
And measuring accuracy is accurate, metering memory not only can recorde current transformer current value, can also be by other with terminal
Element connection, carries out the record of signal monitoring data；These signal monitoring data mainly include route action message, route protection
The relevant informations such as operation of recording time, position when switch motion realize the comprehensive acquisition and effectively application of remote monitoring data, can
To solve the problems, such as to provide foundation for subsequent investigation, escort for user security electricity consumption；There are also intelligent electric energy meter lines collected
Road voltage value, current value and performance number, this mainly can provide data for research line fault early warning and malfunction elimination technology, be
Safety utilization of electric power provides technological guidance, to improve entire line security electricity consumption level.
For the latter, what is relied primarily on is visualizing monitor module and human-computer interaction interface, and visualizing monitor module includes
Controllable light source, dedicated high-definition camera and image pre-processing module mainly may be implemented within a certain period of time to land institute
There is visual information to be monitored and record, human-computer interaction interface include CPU and respectively LCD MODULE connected to it, look into
Keyboard is ask, the inquiry on the spot to field monitoring terminal may be implemented in CPU connection network data transmission device, in practice,
Visualizing monitor module directly can also realize that visualized data is transferred by computer network, i.e. WEB windowing, and WEB form can
With operating status, voltage data, power data and the current data etc. for showing current line, monitoring of software does not have to be fixed on a certain
Platform host, the host of any Ethernet networking, which runs the software, can get the monitoring data of each monitoring point, i.e. power distribution network
Any computer of ethernet line road can remotely access WEB page by inputting the IP address of field monitoring terminal.Visually
Change monitoring modular and human-computer interaction interface at the scene in application, can power using POE, i.e., is transmitted using Ethernet as data
With take can channel, do not need specially to set up server, deployment is simple, and easy to use, respectively monitoring contact is using data collecting card as base
Plinth will collect information and be converted into digital signal, and uniformly summarized in data concentrator.
Network data transmission device includes short range monitoring sensor network and remote wireless network, and sensor network uses
GPRS data transmission, remote wireless network use long range point-to-point transmission.Information transmission mode is to guarantee that monitoring information is timely
The basis of transmitting, GPRS data does not rely on auxiliary element, it can be achieved that direct line transmission, in the malfunction monitoring of distribution line
In application, can ensure in real time and effectively line fault is analyzed and processed, be maintenance personal to the analysis of failure and
Maintenance route saves a large amount of man power and material, more for reliability, can also timely be divided according to the transmission of accident
Analysis and record, facilitate the analysis work of failure；Remote wireless network can both be transmitted using gsm wireless, can be with various public affairs
It being interconnected with communication network, strong interference immunity, the high communication quality is not limited by distance, long range point-to-point transmission can also be used,
It is transmitted by data management system using a GSM, for gsm wireless transmission, it is not necessary to use SIM card, substantially reduce
Long-time service expense.
The input terminal of network data transmission device connects data collecting card, and the output end of the network data transmission device connects
Data concentrator is connect, data collecting card carries out once collecting for data, and is transmitted to the secondary remittance that data concentrator carries out data
Collection；The output end of data concentrator is connect with the server of power distribution network Central Control Room, and server includes several Ethernet formula networks
Interchanger, this backstage monitoring management mode is on the basis of traditional distribution transformer terminals, using short range monitoring sensor network and far
Journey wireless network expands the content and monitoring range of distribution transformer terminals monitoring, makes the equipment liter for being confined to single power distribution network monitoring originally
Grade is that big data monitors control centre, has laid good communication network basis for extension monitoring function in the future.
Long-range monitoring main website includes being set to the PC host of power distribution network Central Control Room and connecting respectively with the PC host
Fault diagnosis module, fault alarm module, emergency policy library module and forecast analysis module.Monitoring main website should be able to acquire in real time
It is installed in the data that the monitoring terminal of 10kV branched line and 0.4kV route is sent；Master Station Software can be drawn according to monitored network
Corresponding geographical wiring diagram is made, received information acquisition terminal data can be shown on wiring diagram in real time；Its core is failure
The setting and application of diagnostic module.Trouble-shooter, including failure line selection module, section locating module and fault localization mould
Block monitors operation conditions using the operation data of 10kV branched line and 0.4kV route, and the variation according to operation data is indirect
React fault type, classification and the abort situation of route.Failure line selection refers to that identification judges the event in a plurality of outlet of bus
Hinder route, to take measures to prevent failure propagation, it is preferred that emphasis is when small current neutral grounding power distribution network generation singlephase earth fault
Route selection；Section positioning, determines fault section where fault point, so as to isolated fault and restores the power supply in non-faulting region；Failure
Abort situation is directly oriented in ranging, avoid fault point of manually patrolling.
Failure line selection module includes fault-line selecting method library, is divided into and does not carry out route selection using the characteristic component of fault-signal
The method of method and the characteristic component progress route selection using fault-signal, wherein the characteristic component of fault-signal is not utilized to carry out
The method of route selection includes one by one bracing wire method, S injection method, injection frequency variation signal method.It is selected using the characteristic component of fault-signal
The method of line includes that the steady state characteristic component based on fault-signal carries out route selection, i.e. zero-sequence current compares phase than width method, colony amplitude comparison
Method, quintuple harmonics component method, active component route selection method, negative-sequence current route selection method, maximum Δ (Isin φ) route selection method etc.；Based on event
The transient characteristic component for hindering signal carries out route selection, since the amplitude of fault-signal transient state component is far longer than the width of its steady-state component
Value, so we can use transient state component to carry out failure line selection.Since the very high frequency of transient state occurs, so such method
It can also be applied well in the system of neutral by arc extinction coil grounding.Such method mainly has: first half-wave route selection method is based on
Wavelet analysis route selection method, the route selection method based on PRONY algorithm；Faulty line selection method, i.e., using failure stable state and transient information into
Row failure line selection has energy method and the selection method based on information fusion technology.
Section locating module is to restore non-so as to isolated fault region and as early as possible for timely and accurately positioning failure section
Fault zone power supply is of great significance for improving power supply reliability.It mainly include section location algorithm, section location algorithm
Purpose be make location determination it is more acurrate, quickly and have higher fault-tolerance, be roughly divided into according to it using the difference of information
Two classes: the failure real time information acquired based on the field device ca bin FTU installed along the line or fault detector FI,
Realize fault section location function；The Trouble call phone TC made using power consumer, while according to relevant information, it is final real
Existing fault section location；Fault identification judgement refers to the faint situation of fault signature (small current neutral grounding mode singlephase earth fault)
Under, to enable field device to acquire and uploading fault message, section positioning also needs the identification for resolving field device to failure
Decision problem, the method proposed at present have based on injection method, remnant current increment method, zero-sequence current phase method in steady-state quantity method,
Fault resstance mensuration, negative-sequence current method, Harmonic Method, the wavelet method etc. in transient method.
Fault localization module is to avoid fault point of manually patrolling for quickly and accurately fault location, to repairing in time
Multiple line road and guarantee reliable power supply guarantee that the safety and stability of system and economical operation all play an important role.Existing fault localization
In method, in the case of fault signature is obvious, research, which focuses primarily upon, to be solved under multiple-limb based on the accurate of definite measured point
Orientation problem；It in the case of fault signature is faint, will be failed substantially in ranging based on failure steady-state quantity method, and study main collection
In in transient method and injection method ranging etc..
Fault alarm module can rely on cell phone application software, once system main website monitor failure occur after, in addition to
Master Station Software should also send in time dispatcher and power distribution rush-repair center for fault message and troubleshooting strategy outside showing
Responsible person person.Developing fault of mobile phone alarm module may make relevant personnel's grasp fault message much sooner and failure
Processing scheme is debugged in time.
Emergency policy library module includes data-analyzing machine and network data store connected to it, data-analyzing machine energy
The reason of enough statistical analysis low and medium voltage distribution network breaks down, classification formulate corresponding response plan for various types of failures
Slightly, it and is stored in network data store, forms emergency policy library, when Master Station Software monitors that failure occurs according to emergency
Policy library formulates corresponding response scheme, is supplied to dispatcher and power distribution rush-repair center responsible person person.Forecast analysis mould
Block is based on big data principle, can operation by the analysis to monitoring data and the network equipment, to low and medium voltage distribution network future
State is made prediction, and makes prompt to the risk (such as long term overloading of distribution transformer, route) being likely to occur, convenient for operation
Personnel take timely measure, and prevent trouble before it happens.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, the general technology people of this field
Member is it will be recognized that can also realize many optional embodiments using the solution of the present invention.It is all in the spirit and principles in the present invention
Within made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention.
Claims (10)
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109738754A (en) * | 2018-12-17 | 2019-05-10 | 江苏方天电力技术有限公司 | A kind of intelligent low-pressure branch monitoring device |
| CN110048507A (en) * | 2019-03-29 | 2019-07-23 | 国网山东省电力公司邹城市供电公司 | A kind of automatic detecting method and system of electrical power distribution automatization system |
| CN110333402A (en) * | 2019-05-23 | 2019-10-15 | 广西电网有限责任公司 | A kind of user's electric voltage exception cognitive method and system based on edge calculations |
| CN110676939A (en) * | 2019-10-15 | 2020-01-10 | 保定市冀能电力自动化设备有限公司 | Intelligent distribution network metering and fault protection demarcation switch controller |
| CN110895298A (en) * | 2019-12-17 | 2020-03-20 | 云南拓洲科技有限公司 | 10KV and 35KV overhead line transient fault monitoring and indicating system |
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| CN113792908A (en) * | 2021-08-06 | 2021-12-14 | 国网天津市电力公司 | System and method for optimizing and configuring power quality monitoring terminal of important user of low-voltage distribution network |
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Application publication date: 20181211 |