CN106253486A - A kind of electric power system intelligent fault Computer Aided Analysis System - Google Patents
A kind of electric power system intelligent fault Computer Aided Analysis System Download PDFInfo
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- CN106253486A CN106253486A CN201610861025.XA CN201610861025A CN106253486A CN 106253486 A CN106253486 A CN 106253486A CN 201610861025 A CN201610861025 A CN 201610861025A CN 106253486 A CN106253486 A CN 106253486A
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Classifications
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- H02J13/0075—
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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
- G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
-
- 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
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
- H02H7/262—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of switching or blocking orders
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
- H02H7/263—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of measured values
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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
- H02J13/00006—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 characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00019—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 characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using optical means
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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
-
- 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
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
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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
Abstract
The present invention provides a kind of electric power system intelligent fault Computer Aided Analysis System, including: server and multiple data collection station being connected by GPRS or fiber optic communication with server；Data collection station is arranged on monitored transformer station or monitored power equipment, and data collection station is for being acquired the data message within monitored transformer station or monitored power equipment, and is uploaded onto the server by the data message of collection；System passes through data collection station Real-time Collection power equipment and transformer station, and is uploaded onto the server by the data message of collection.Server carries out Treatment Analysis to the data message gathered, it is to avoid manual inspection mode improves work efficiency so that detection data centralized management, and can be analyzed data processing afterwards.
Description
Technical field
The present invention relates to electric power system field, particularly relate to a kind of electric power system intelligent fault Computer Aided Analysis System.
Background technology
For a long time, supply network and supply station to electric power system are patrolled and examined work many employings manual type and are carried out, tradition
Manual inspection mode do not only exist the weak points such as labor intensity is big, inefficiency, detection mass-dispersion, means are single,
And the data the most manually detected cannot be sent in management information system accurately and timely in follow-up work
Data are processed.
Summary of the invention
In order to overcome above-mentioned deficiency of the prior art, it is an object of the invention to, it is provided that a kind of electric power system fault intelligence
Can Computer Aided Analysis System, including: server and multiple data acquisition end being connected by GPRS or fiber optic communication with server
End；
Data collection station is arranged on monitored transformer station or monitored power equipment, and data collection station is for right
Data message within monitored transformer station or monitored power equipment is acquired, and is uploaded by the data message of collection
To server；
Data collection station includes: processor, signal filtering module, signal amplification module, wireless communication module, data acquisition
Collection stores module, electric energy meter data acquisition module, quantity of state acquisition module, pulsed quantity acquisition module, ac analog collection mould
Block, historical data processing module, potential device data acquisition module, supply line's data acquisition module, breaker data collection
Module, disconnecting switch data acquisition module, earthed switch data acquisition module, it is arranged on primary side current transformer, primary side
Voltage transformer, secondary side current mutual inductance assembly, secondary side mutual induction of voltage assembly；Primary side current transformer Real-time Collection is once
Side three-phase current data are also transferred to server；Primary side voltage transformer Real-time Collection primary side three-phase voltage data are also transmitted
To server；Secondary side current mutual inductance assembly Real-time Collection secondary side three-phase current data are also transferred to server；Secondary side electricity
Pressure mutual inductance assembly Real-time Collection secondary side three-phase voltage data are also transferred to server；
Electric energy meter data acquisition module for by set check meter day or timing acquisition time interval electric energy meter data are entered
Row gather, storage, and by gather electric energy meter data be sent to processor；
Quantity of state acquisition module is used for Real-time Collection low-voltage platform area low tension switch location status, and low tension switch conjugates
Time, the information that conjugated by low tension switch stores, and is sent to processor；
Pulsed quantity acquisition module is used for receiving the pulse of electric energy meter output, and according to electric energy meter meter constant Kp imp/
KWh, TV no-load voltage ratio KTV, TA no-load voltage ratio KTA calculates mean power per minute, and when recording the same day, of that month power maximum and occur
Between, and it is sent to processor；
Ac analog acquisition module is for by use requirement predeterminated voltage, electric current, power, power, power factor simulation
Amount gathers, and measures voltage, electric current, power, power factor, and has the out-of-limit statistics of voltage monitoring, and voltage class of accuracy is
0.5, there is harmonic data statistics, harmonic component class of accuracy is 1；
The data that historical data processing module is used for gathering are in units of day, in zero point history of forming day data next day,
And preserve nearest 30 days data, according to the guick freezing room set every with 15min, 30min, 45min, 60min are formed and all kinds of freeze song
Line data, and preserve nearest 30 days curve datas, and it is sent to processor；
Potential device data acquisition module is used for collection site potential device and the controller switching equipment suitable with potential device
Analog quantity, transformator each side electric current, voltage, active power, reactive power, coil temperature, oil temperature, and be sent to processor；
Described supply line data acquisition module is for gathering the electric current of supply line, active power, reactive power；Bus
Voltage, frequency；The three-phase voltage of supply line, three-phase current, residual voltage, zero-sequence current, and it is sent to processor；
Described breaker data acquisition module, disconnecting switch data acquisition module, earthed switch data acquisition module are respectively
For the switching value of collection site equipment, switching value includes: circuit breaker position, disconnecting switch, earthed switch position, chopper are opened
Break in off position, protection act resultant signal, on the spot/distant place switch positions, breaker operation mechanism abnormal signal, control loop
Line signal, protection alarm signal, protection device fault-signal, and it is sent to processor；
Secondary side current mutual inductance assembly includes: current transformer, the input termination secondary side circuit of current transformer, electric current
First outfan of transformer connects the negative electrode of diode DdL1, the anode of diode DdL2, transport and placing device electrode input end, electricity respectively
Holding CdL1 the first end, resistance RdL1, the second outfan of current transformer meets the anode of diode DdL1, diode DdL2 respectively
Negative electrode, transport and placing device negative input, transport and placing device output termination secondary side current mutual inductance assembly outfan；Secondary side current is mutual
The outfan of sense assembly connects processor by signal filtering module；
Secondary side mutual induction of voltage assembly includes: voltage transformer U1, and the input of voltage transformer U1 passes through resistance respectively
Rdy1 and resistance Rdy2 connects secondary side circuit, and the first outfan of voltage transformer connects the negative electrode of diode Ddy1, two poles respectively
The anode of pipe Ddy2, transport and placing device electrode input end, electric capacity Cdy1 the first end, resistance Rdy3 the first end, the second of voltage transformer
Outfan connects the anode of diode Ddy1 respectively, the negative electrode of diode Ddy2, transport and placing device negative input, transport and placing device outfan,
Electric capacity Cdy1 the second end, resistance Rdy3 the second end, the outfan of secondary side mutual induction of voltage assembly is simultaneously connected with；Secondary side voltage is mutual
The outfan of sense assembly connects processor by signal filtering module；
Signal filtering module includes: resistance Rlb1, resistance Rlb2, electric capacity Clb1, electric capacity Clb2, electric capacity Clb3, electric capacity
Clb4, transport and placing device LMlb；The negative pole that the input of signal filtering module meets transport and placing device LMlb by resistance Rlb1, resistance Rlb2 is defeated
Entering end, between electric capacity Clb1 the first terminating resistor Rlb1, resistance Rlb2, electric capacity Clb1 the second termination signal filtration module exports
End；
Processor is for storing the data message received to data acquisition storage inside modules, and controls radio communication
Module, sends data message to server；
Server includes: when electric energy meter operation conditions monitoring modular, voltage monitoring module, power-factor monitoring module, school
Module, limit value arrange module, pre-payment control module, line loss analysis module, apparent energy curve generation module, apparent merit
Rate contrast module, data interaction platform, data base；
The data message that electric energy meter operation conditions monitoring modular sends for data collection station, monitoring electric energy meter runs shape
Condition, monitoring electric energy meter operation conditions includes: parameters of electric energy meter changes, the electric energy meter time is overproof, electric meter fault information, electric energy represent
Degree declines, electric energy meter flies away, electric energy meter stops walking, infrared induction record, magnetic induction disturbance records；
Voltage monitoring module, for monitoring with Network Voltage Deviation, is added up by electrical network rate of qualified voltage；
Power-factor monitoring module is for being carried out the power factor of monitoring point by the power factor segmentation limit value arranged point
Analysis statistics, records monthly power factor and gets over the limit value generation cumulative time at each section；
During school, module is for instructing when data collection station tranmitting data register school, make clock that data collection station gathers and
The crystal oscillator clock of server is identical；
Limit value arranges the voltage of module electric energy meter in arranging monitoring region and electric current gets over limit value, power factor segmentation limits
Value；
Pre-payment control module is used for arranging and inquire about prepayment electric expense value, alarm door limit value, trip value pre-payment control
Parameter processed；
Line loss is analyzed module and is used for the topological structure according to electrical network, daily gathers single-phase, the three-phase user under circuit
With the power consumption of platform district summary table, by setting up line loss analyzing model, analyze the active loss of every circuit in real time, more than one
Alert after determining threshold values；
Apparent energy contrast module for according to the primary side three-phase electricity electric current of real-time Transmission, primary side three-phase voltage, two
Secondary side three-phase electricity electric current, secondary side three-phase voltage, calculate active power, reactive power, and draw apparent energy, make apparent
Power curve；
Apparent energy contrast module is used for contrasting primary side power information and secondary side power information, carries out Data Comparison also
It is depicted as two apparent energy curves at the same page, informs whether user first and second side power information deposits on a display screen
At multiplexing electric abnormality；
Data interaction platform is used for realizing exchanging communication between user of service with operation maintenance personnel, and system is tracked place
Reason, and the client port that mobile terminal connects is provided, make user of service be connected data with operation maintenance personnel use mobile terminal
Interaction platform；
Platform also provides for power information acquisition system construction specification, standard, acquisition system workbook, asks common
Topic abnormality eliminating method related data carry out sorting out, showing, facilitate user to consult, it is achieved knowledge document management, knowledge collect and
Guidance, frequently asked questions function, to occur area, problem category, submission time, solution time angularly to add up according to problem
Collect, analyze.
Preferably, processor is connected with wireless communication module by signal amplification module, and signal amplification module is at inciting somebody to action
The data message that reason device sends is amplified, and signal amplification module includes: resistance Rsy2, resistance Rsy3, resistance Rsy4, electric capacity
Csy1, electric capacity Csy2, diode Dsy1, diode Dsy2, transport and placing device LMsy；
The input of signal amplification module connects the electrode input end of transport and placing device LMsy by resistance Rsy2, transport and placing device LMsy's
Negative input passes through resistance Rsy3 ground connection, is connect the outfan of signal amplification module by resistance Rsy4；Diode Dsy1, two poles
Pipe Dsy2 is connected in series, and the negative electrode of diode Dsy1 connects power supply, the plus earth of diode Dsy2；Diode Dsy1, diode
The outfan of the indirect signal amplification module of Dsy2, the outfan of transport and placing device LMsy.
Preferably, data collection station includes: clock circuit；
Described clock circuit, for by the clock setting to processor, completes the setting of processor clock；Clock circuit
Being connected with processor, during the rising edge of next SULK clock after control instruction character inputs, data are written into, data from
Low level 0 starts input processor；At the trailing edge read-out processor number immediately following the next pulse after the control instruction word of 8
According to, from low level 0 to high-order 7 during reading data；XI, X2 pin connects crystal oscillator, provides timely pulse for processor；
Described clock circuit includes: clock chip, quartz oscillation module, clock amplification module, clock capacitance Csz1, clock
Electric capacity Csz2, clock resistance Rsz1, clock resistance Rsz2；
Described clock chip is set with the second in described clock chip, point, time, the date is clock data, by reading or writing acquisition
With amendment clock data；There is the static RAM of 114 bytes inside described clock chip, faced by serial port for storage system
Time set specific character lattice codebook；Described clock amplification module, clock capacitance Csz1, clock resistance Rsz1 composition clock is put
Big circuit；Described clock capacitance Csz2, clock resistance Rsz2 form filter circuit.
Preferably, server also includes: secondary side phase voltage compares to determine module, secondary side phase current compares to determine mould
Block, power determination module, power factor determination module；
Secondary side phase voltage compares to determine module for by each for secondary side phase voltage data and secondary side each phase voltage basis
Reference voltage in data compares, if it is low by more than 20% to record voltage ratio reference voltage, is then judged as under-voltage；If recording electricity
Pressure ratio reference voltage is high by more than 20%, then be judged as superpressure；If voltage is 0, then it is judged as decompression；
Secondary side phase current compares to determine module for according to secondary side each phase current data, calculating current three-phase imbalance
Rate, the condition meeting (maximum current value-minimum current value)/maximum current value >=30% is then judged as three-phase current unbalance；
If minimum current value is 0, then it is judged as defluidization；
Power determination module is used for
When meeting following condition, then it is judged as that power is abnormal:
(P2-P3)/P2>=30%
Phase three-wire three:
Three-phase and four-line:
By P1Comparing with active power data, bigger value is taken as P2, little value is taken as P3
Wherein, UA, UB, UCFor each phase voltage value, IA, IB, ICFor each phase current values,It is taken as normal value, generally
0.8-0.9,
0.866 can be set to, i.e. takeIt it is 30 °；
Power factor determination module is used for
If meeting following condition, then it is judged as " power factor is abnormal ":
The active power that P: power information acquisition system gathers
S: apparent energy, for according to current/voltage computed information, wherein:
Phase three-wire three:
Three-phase and four-line: S1UAIA+UBIB+UCIC。
Preferably, data collection station also includes: phase electro-detection module；Phase electro-detection module is used for detecting secondary side three-phase
Electricity whether phase shortage, and when phase shortage occurs, phase shortage information is sent to processor；
Phase electro-detection module includes: A phase electro-detection end, B phase electro-detection end, C phase electro-detection end, resistance R1, resistance R2, electricity
Resistance R3, resistance R4, resistance R5, resistance R6, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, diode D1,
Diode D2, diode D3, photoisolator；
A phase electro-detection end connects photoisolator input by resistance R1, diode D1, resistance R2；
B phase electro-detection end connects photoisolator input by resistance R3, diode D2, resistance R4；
C phase electro-detection end connects photoisolator input by resistance R5, diode D3, resistance R6；
Photoisolator be provided with A phase electro-detection end relative to A phase electro-detection outfan, relative with B phase electro-detection end
In B phase electro-detection outfan, with C phase electro-detection end relative to C phase electro-detection outfan.
Preferably, data collection station also includes: transmitting and receiving data processing module, transmission data configuration module, transmission
Data resolution module, stipulations judge module,
Transmitting and receiving data processing module is for being sent to service by the data of data collection station collection by FTP mode
Under the specified path of device, and obtain configuration information and performance information；
Send data configuration module to be used for data configuration to be sent is become xml document, obtain the IP port of FTP, for
The username and password that described data collection station is opened, xml document place acquisition approach and store path, during collection
Between；
Send data resolution module to be used for xml document is called into FTPClient class sending performance file, call
FTPClient instructs, and sets up with server and sends path, resolves all xml document and make xml bag；
Stipulations judge module is for interior by judging xml bag, and whether xml document is in accordance with the stipulations of communication protocol, if meeting
Stipulations are then transmitted, if not meeting, sending xml document and not meeting stipulations；
Server also includes: data update judge module, data process filtering module, Database Mapping module, process letter
Breath stores module；
Data update judge module in the interior xml document of multilevel iudge currently received xml bag and a upper acquisition time
Whether the xml document received has renewal, if newly received xml document has renewal, then keeps this document to data base；
Data process filtering module and are used for call XML Util.getSafeXMLInputSource function, to every in xml bag
Individual xml document carries out information filtering process, and the xml document after filtering passes to NEPerformance function
NEPerformanceMeasInfo class, resolves and loads；
Database Mapping module is for calling NEPerformance class in the persistence.xml file of data base
With NEPerformanceMeasInfo class, each xml document resolving and loading be mapped to NEPerformance class and
The management of NEPerformanceMeasInfo apoplexy due to endogenous wind stores；
Process information stores module for value corresponding for each attribute in xml document is assigned to NEPerformance class sound
Bright information, and information is carried out judgement process, treat that all measurement results are all processed and load
After each variable in NEPerformanceMeasInfo, call EntityManager function and data are stored into data base
In.
Preferably, also include: the market demand terminal being connected with server communication；
Market demand terminal includes: photographic head, recording module, GPS locating module, USB interface, identification module, number
According to storing module, data interaction module；
GPS locating module when using market demand terminal, carries out location positioning for user；
Data interaction module is used for making user when patrolling and examining scene, reports patrol record, patrols and examines result, and obtains
Take the field equipment data information that server stores；
Authentication module includes: ID card reader；
ID card reader is suitable with fingerprint capturer；
ID card reader is provided with formation-decoding module, and fingerprint capturer is processed with data by fingerprint collecting program
Module is connected；Identity data in resident identification card is decoded to the information in ID card reader by brush card program transportation
Module；Formation-decoding module is connected with panel computer and data processing module respectively；
Market demand terminal is provided with ID card information data-interface, fingerprint sensor interface, fingerprint algorithm module, fingerprint
Algorithm protection module；
Electrical network detection device is built-in with the close algoritic module of state, canonical algorithm module；The close algoritic module of state for support SM1,
The module of SM2, SM3, SMS4, SM6, SSF33, SCB2 state close algorithm fingerprint algorithm；Canonical algorithm module for support RSA, ECC,
The module of AES, DES/3DES, SHA international standard algorithm.
Preferably, market demand terminal is additionally operable to carrying out before scene patrols and examines, and user uses market demand terminal from clothes
Business device downloaded on-the-spot primary data to be maked an inspection tour or patrolled and examined result last time, and being stored in the data storage module of market demand terminal
In；When carrying out on-the-spot electricity consumption and patrolling and examining, according to onsite user's situation, in market demand terminal, the on-the-spot power equipment of record patrols
Inspection result, in conjunction with the GPS positioning function of tour mobile terminal, the geographical location information during power utility check of real-time positioning scene or use
The geographical location information at family；
After patrolling and examining end, the data message that market demand terminal has gathered is uploaded by described user to server, real
Existing data exchange between market demand terminal and server, and update server internal database information updating.
Preferably, data collection station includes: line feed terminals acquisition controlling unit, distribution transformer terminals acquisition controlling unit, number
According to terminal acquisition controlling unit, branch line malfunctioning module；
Line feed terminals acquisition controlling unit, distribution transformer terminals acquisition controlling unit, data terminal acquisition controlling unit are to power supply
Switching station in system, ring main unit, switchgear house, box change, on-pole switch take remote measurement information, and electricity based on different telemetry stations
Stream situation carries out fault location, isolates and restore electricity；
Branch line malfunctioning module uses the quick segmentation switch with earth fault process function for branched line, when dividing
In block switch region during circuit generation singlephase earth fault, this branch segment switchs after delay judgement is permanent fault
Automatic brake separating, directly excises fault；When circuit generation phase fault in branch segment switch region, as branch segment switch is adopted
By chopper, on the spot tripping operation excision fault；As used on-load switch, higher level's switch protection breaking, customer segment switchs at circuit
Separating brake locking after dead electricity, after higher level switchs coincidence, adjacent lines restores electricity, and faulty line is isolated；Quick segmentation switchs
It is installed on high voltage electric family with operating load compared with the branched line big, fault rate is high；Overhead transmission line and cable run are respectively adopted
Quick segmentation switchs.
Preferably, server also includes: data statistic analysis module；
Data statistic analysis module is for the data to data collection station collection and sent and combines what data base stored
Historical data information, based on the result classified, add up, calculate and analyze, it is provided that information inquiry, report customization and analysis report shape
A series of functions such as one-tenth, in order to support the integrated application in terms of safety at power cut lookup, reliability data statistics；All kinds of number of power distribution network
According to including real time data, non-real-time data and near-realtime data；Concrete functions of modules includes: the reason of distribution network failure is sorted out
Analyze；The retrieval of traffic control plan and analysis；Dispatching statistics and classification；Power failure job classification and job rating；Supply
Electricity fail-safe analysis and statistics；Other integrated application answered user to need and exclusively carry out.
As can be seen from the above technical solutions, the invention have the advantages that
System passes through data collection station Real-time Collection power equipment and transformer station, and is uploaded to by the data message of collection
Server.Server carries out Treatment Analysis to the data message gathered, it is to avoid manual inspection mode improves work efficiency so that
Detection data centralized management, and can be analyzed data processing afterwards.
Data that server to data collection station collection and sends also combine the historical data information that data base stores, base
In the result classified, add up, calculate and analyze, it is provided that a series of functions such as information inquiry, report customization and analysis report formation,
To support the integrated application in terms of safety at power cut lookup, reliability data statistics；Power distribution network Various types of data include real time data,
Non-real-time data and near-realtime data；Concrete functions of modules includes: the reason classification analysis of distribution network failure；Traffic control meter
The retrieval drawn and analysis；Dispatching statistics and classification；Power failure job classification and job rating；Power supply reliability is analyzed and system
Meter；Other integrated application answered user to need and exclusively carry out.
Accompanying drawing explanation
In order to be illustrated more clearly that technical scheme, will the accompanying drawing used required in describing be made simple below
Ground is introduced, it should be apparent that, the accompanying drawing in describing below is only some embodiments of the present invention, for ordinary skill
From the point of view of personnel, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the overall schematic of electric power system intelligent fault Computer Aided Analysis System；
Fig. 2 is data collection station schematic diagram；
Fig. 3 is secondary side mutual induction of voltage assembly circuit figure；
Fig. 4 is secondary side current mutual inductance assembly circuit figure；
Fig. 5 is signal filtering module circuit diagram；
Fig. 6 is signal amplification module circuit diagram；
Fig. 7 is clock circuit circuit diagram；
Fig. 8 is phase electro-detection module circuit diagram.
Detailed description of the invention
For making the goal of the invention of the present invention, feature, the advantage can be the most obvious and understandable, concrete by using below
Embodiment and accompanying drawing, be clearly and completely described the technical scheme of present invention protection, it is clear that enforcement disclosed below
Example is only a part of embodiment of the present invention, and not all embodiment.Based on the embodiment in this patent, the common skill in this area
All other embodiments that art personnel are obtained under not making creative work premise, broadly fall into the model of this patent protection
Enclose.
The present embodiment provides a kind of electric power system intelligent fault Computer Aided Analysis System, if Fig. 1 is to shown in 8, including: server
1 and multiple data collection station 2 being connected by GPRS or fiber optic communication with server 1；
Data collection station 2 is arranged on monitored transformer station or monitored power equipment, and data collection station 2 is used for
Data message within monitored transformer station or monitored power equipment is acquired, and on the data message that will gather
Reach server 1；
Data collection station 2 includes: processor 11, signal filtering module, signal amplification module 12, wireless communication module
13, data acquisition store module 14, electric energy meter data acquisition module 15, quantity of state acquisition module 16, pulsed quantity acquisition module 17,
Ac analog acquisition module 18, historical data processing module 19, potential device data acquisition module 20, supply line's data acquisition
Collection module 21, breaker data acquisition module 22, disconnecting switch data acquisition module 23, earthed switch data acquisition module 24,
It is arranged on primary side current transformer, primary side voltage transformer, secondary side current mutual inductance assembly, secondary side mutual induction of voltage group
Part；Primary side current transformer Real-time Collection primary side three-phase current data are also transferred to server 1；Primary side voltage transformer
Real-time Collection primary side three-phase voltage data are also transferred to server 1；Secondary side current mutual inductance assembly Real-time Collection secondary side three
Phase current data are also transferred to server 1；Secondary side mutual induction of voltage assembly Real-time Collection secondary side three-phase voltage data are also transmitted
To server 1；
Electric energy meter data acquisition module 15 for by set check meter day or timing acquisition time is spaced electric energy meter data
Be acquired, store, and by gather electric energy meter data be sent to processor 11；
Quantity of state acquisition module 16 is for Real-time Collection low-voltage platform area low tension switch location status, and low tension switch conjugates
Time, the information that conjugated by low tension switch stores, and is sent to processor 11；
Pulsed quantity acquisition module 17 is used for receiving the pulse of electric energy meter output, and according to electric energy meter meter constant Kp imp/
KWh, TV no-load voltage ratio KTV, TA no-load voltage ratio KTA calculates mean power per minute, and when recording the same day, of that month power maximum and occur
Between, and it is sent to processor 11；
Ac analog acquisition module 18 is for by use requirement predeterminated voltage, electric current, power, power, power factor mould
Analog quantity gathers, and measures voltage, electric current, power, power factor, and has the out-of-limit statistics of voltage monitoring, and voltage class of accuracy is
0.5, there is harmonic data statistics, harmonic component class of accuracy is 1；
The data that historical data processing module 19 is used for gathering are in units of day, at zero point history of forming number of days next day
According to, and preserve nearest 30 days data, according to the guick freezing room set every with 15min, 30min, 45min, 60min form all kinds of freezing
Curve data, and preserve nearest 30 days curve datas, and it is sent to processor 11；
Potential device data acquisition module 20 sets for collection site potential device and the distribution suitable with potential device
Standby analog quantity, transformator each side electric current, voltage, active power, reactive power, coil temperature, oil temperature, and it is sent to processor
11；
Described supply line data acquisition module 21 is for gathering the electric current of supply line, active power, reactive power；Female
The voltage of line, frequency；The three-phase voltage of supply line, three-phase current, residual voltage, zero-sequence current, and it is sent to processor 11；
Breaker data acquisition module 22, disconnecting switch data acquisition module 23, earthed switch data acquisition module 24 points
Not Yong Yu the switching value of collection site equipment, switching value includes: circuit breaker position, disconnecting switch, earthed switch position, chopper
The position of the switch, protection act resultant signal, on the spot/distant place switch positions, breaker operation mechanism abnormal signal, control loop
Disconnection signal, protection alarm signal, protection device fault-signal, and it is sent to processor 11；
Secondary side current mutual inductance assembly includes: current transformer U2, the input termination secondary side circuit of current transformer U2,
First outfan of current transformer U2 connects the negative electrode of diode DdL1 respectively, and the anode of diode DdL2, transport and placing device positive pole is defeated
Entering end, electric capacity CdL1 the first end, resistance RdL1, the second outfan of current transformer connects the anode of diode DdL1 respectively, and two
The negative electrode of pole pipe DdL2, transport and placing device negative input, the outfan of transport and placing device output termination secondary side current mutual inductance assembly；Secondary
The outfan of side Current Mutual Inductance assembly connects processor 11 by signal filtering module；
Current transformer U2 plays the effect of strong and weak electricity isolation, and its specified input current is 5A, and output-current rating is
2.5mA.Electric capacity CdL1 generally takes 400-1000PF, for the phase shift caused by compensation current transformer U2, electric capacity CdL2, electric capacity
CdL3 is for filtering the harmonic wave of power supply, it is ensured that stablizing of supply voltage.Diode DdL1, diode DdL2 prevent amplifier
The supersaturation of LMdL.Output voltage amplitude is under any circumstance suitable for processor 11 work to select suitable resistance RdL1 to guarantee
Deal with, it is to avoid owing to the influence of fluctuations processor 11 of voltage works.
Secondary side mutual induction of voltage assembly includes: voltage transformer U1, and the input of voltage transformer U1 passes through resistance respectively
Rdy1 and resistance Rdy2 connects secondary side circuit, and the first outfan of voltage transformer connects the negative electrode of diode Ddy1, two poles respectively
The anode of pipe Ddy2, transport and placing device electrode input end, electric capacity Cdy1 the first end, resistance Rdy3 the first end, the second of voltage transformer
Outfan connects the anode of diode Ddy1, the negative electrode of diode Ddy2, transport and placing device LMdy negative input respectively, and transport and placing device exports
End, electric capacity Cdy1 the second end, resistance Rdy3 the second end, the outfan of secondary side mutual induction of voltage assembly is simultaneously connected with；Secondary side electricity
The outfan of pressure mutual inductance assembly connects processor by signal filtering module；
If electrical network phase voltage virtual value is X, the no-load voltage ratio of voltage transformer is k, then voltage transformer secondary side output voltage
Virtual value is X/k, i.e. the input voltage virtual value of secondary side mutual induction of voltage assembly is X/k.
In the present embodiment, voltage transformer U1 plays the effect of strong and weak electricity isolation, and its specified input, output electric current are
About 2mA.For ensureing that specified input current is about 2mA, choose suitable resistance Rdy1 and resistance Rdy2, make X/ [k (Rdy1+
Rdy2) value] is close to 2mA.Electric capacity Cdy1 generally takes 400-1000PF, for compensating accurate phase caused by D.C mutual-inductor
Move；Electric capacity Cdy2, electric capacity Cdy3 are for filtering the harmonic wave of power supply, it is ensured that gather stablizing of voltage；Diode Ddy1 and two
Pole pipe Ddy2 prevents the supersaturation of transport and placing device LMdy.Output voltage amplitude is in any situation to select suitable resistance Rdy3 to guarantee
Under be suitable for processor 11 work disposal, it is to avoid owing to the influence of fluctuations processor 11 of voltage works.
Signal filtering module includes: resistance Rlb1, resistance Rlb2, electric capacity Clb1, electric capacity Clb2, electric capacity Clb3, electric capacity
Clb4, transport and placing device LMlb；The negative pole that the input of signal filtering module meets transport and placing device LMlb by resistance Rlb1, resistance Rlb2 is defeated
Entering end, between electric capacity Clb1 the first terminating resistor Rlb1, resistance Rlb2, electric capacity Clb1 the second termination signal filtration module exports
End；
Processor 11 is for storing the data message received to data acquisition storage inside modules, and controls channel radio
Letter module 13, sends data message to server 1；
Server 1 includes: when electric energy meter operation conditions monitoring modular, voltage monitoring module, power-factor monitoring module, school
Module, limit value arrange module, pre-payment control module, line loss analysis module, apparent energy curve generation module, apparent merit
Rate contrast module, data interaction platform, data base；
The data message that electric energy meter operation conditions monitoring modular sends for data collection station, monitoring electric energy meter runs shape
Condition, monitoring electric energy meter operation conditions includes: parameters of electric energy meter changes, the electric energy meter time is overproof, electric meter fault information, electric energy represent
Degree declines, electric energy meter flies away, electric energy meter stops walking, infrared induction record, magnetic induction disturbance records；
Voltage monitoring module, for monitoring with Network Voltage Deviation, is added up by electrical network rate of qualified voltage；
Power-factor monitoring module is for being carried out the power factor of monitoring point by the power factor segmentation limit value arranged point
Analysis statistics, records monthly power factor and gets over the limit value generation cumulative time at each section；
During school, module is for instructing when data collection station tranmitting data register school, make clock that data collection station gathers and
The crystal oscillator clock of server is identical；
Limit value arranges the voltage of module electric energy meter in arranging monitoring region and electric current gets over limit value, power factor segmentation limits
Value；
Pre-payment control module is used for arranging and inquire about prepayment electric expense value, alarm door limit value, trip value pre-payment control
Parameter processed；Line loss analyzes module for according to the topological structure of electrical network, daily gather single-phase, the three-phase user under circuit and
The power consumption of platform district summary table, by setting up line loss analyzing model, analyzes the active loss of every circuit in real time, certain exceeding
Alert after threshold values；Apparent energy contrast module is for the primary side three-phase electricity electric current according to real-time Transmission, primary side three-phase
Voltage, secondary side three-phase electricity electric current, secondary side three-phase voltage, calculate active power, reactive power, and draw apparent energy,
Make apparent energy curve；Apparent energy contrast module is used for contrasting primary side power information and secondary side power information, carries out
Data Comparison is also depicted as two apparent energy curves at the same page, informs user first and second side electricity consumption on a display screen
Whether information exists multiplexing electric abnormality；Data interaction platform is used for realizing exchanging communication between user of service with operation maintenance personnel, to being
System is tracked processing, and provides the client port that mobile terminal connects, makes user of service use with operation maintenance personnel and moves
Terminal connects data interaction platform；Platform also provides for power information acquisition system construction specification, standard, acquisition system operation
Handbook, sorts out FAQs abnormality eliminating method related data, shows, facilitate user to consult, it is achieved knowledge document pipe
Reason, knowledge are collected and guidance, frequently asked questions function, there is area, problem category, submission time, solution time according to problem
Angularly carry out statistical summaries, analysis.
Processor 11 is connected with wireless communication module 13 by signal amplification module 12, and signal amplification module 12 is at inciting somebody to action
The data message that reason device 11 sends is amplified, and signal amplification module 12 includes: resistance Rsy2, resistance Rsy3, resistance Rsy4, electricity
Hold Csy1, electric capacity Csy2, diode Dsy1, diode D sy2, transport and placing device LMsy；The input of signal amplification module is by electricity
Resistance Rsy2 connects the electrode input end of transport and placing device LMsy, and the negative input of transport and placing device LMsy passes through resistance Rsy3 ground connection, by electricity
Resistance Rsy4 connects the outfan of signal amplification module；Diode Dsy1, diode Dsy2 are connected in series, and the negative electrode of diode Dsy1 connects
Power supply, the plus earth of diode Dsy2；Diode Dsy1, the outfan of indirect signal amplification module of diode Dsy2, fortune
Put the outfan of device LMsy.
In the present embodiment, data collection station includes: clock circuit；
Described clock circuit, for by the clock setting to processor, completes the setting of processor clock；Clock circuit
Being connected with processor, during the rising edge of next SULK clock after control instruction character inputs, data are written into, data from
Low level 0 starts input processor；At the trailing edge read-out processor number immediately following the next pulse after the control instruction word of 8
According to, from low level 0 to high-order 7 during reading data；XI, X2 pin connects crystal oscillator, provides timely pulse for processor；
Data collection station 2 also includes: clock circuit；Clock circuit is for by the clock setting to processor 11, complete
Become the setting of processor clock；Clock circuit is connected with processor, the next SULK clock after control instruction character inputs
Rising edge time data be written into, data start input processor from low level 0；Immediately following next after the control instruction word of 8
The trailing edge read-out processor data of individual pulse, from low level 0 to high-order 7 during reading data；XI, X2 pin connects crystal oscillator, for
Processor provides timely pulse；Clock circuit includes: clock chip 53, quartz oscillation module 51, clock amplification module 52, clock
Electric capacity Csz1, clock capacitance Csz2, clock resistance Rsz1, clock resistance Rsz2；Set in clock chip 53 described clock chip with
Second, point, time, the date is clock data, by reading or writing acquisition and amendment clock data；114 are had inside described clock chip
The static RAM of byte, the specific character lattice codebook temporarily set by serial port for storage system；Described clock amplifies mould
Block 52, clock capacitance Csz1, clock resistance Rsz1 form clock amplifier circuit；Described clock capacitance Csz2, clock resistance Rsz2
Composition filter circuit；
Processor 11 the most constantly obtains collection information, it is therefore desirable to provide real-time clock function, for making acquisition collection
Information provides real-time time accurately, and real-time clock can continue to work after requiring system power failure, re-powers
After, real-time clock still provides the time with current sync.Simultaneously in order to debug conveniently, this real-time clock need to have merit able to programme
Can, it is possible to by the programming setting time.Control device can include clock chip, a High Precision Crystal Oscillator and one piece of charged electrical
Pond 54.After whole system power down, the clock chip required power supply that normally works is provided by rechargeable battery.
In the present embodiment, server 1 also includes: secondary side phase voltage compares to determine module, secondary side phase current compares and sentences
Cover half block, power determination module, power factor determination module；
Secondary side phase voltage compares to determine module for by each for secondary side phase voltage data and secondary side each phase voltage basis
Reference voltage in data compares, if it is low by more than 20% to record voltage ratio reference voltage, is then judged as under-voltage；If recording electricity
Pressure ratio reference voltage is high by more than 20%, then be judged as superpressure；If voltage is 0, then it is judged as decompression；
Secondary side phase current compares to determine module for according to secondary side each phase current data, calculating current three-phase imbalance
Rate, the condition meeting (maximum current value-minimum current value)/maximum current value >=30% is then judged as three-phase current unbalance；
If minimum current value is 0, then it is judged as defluidization；
Power determination module is used for
When meeting following condition, then it is judged as that power is abnormal:
(P2-P3)/P2>=30%
Phase three-wire three:
Three-phase and four-line:
By P1Comparing with active power data, bigger value is taken as P2, little value is taken as P3
Wherein, UA, UB, UCFor each phase voltage value, IA, IB, ICFor each phase current values,It is taken as normal value, generally
0.8-0.9,
0.866 can be set to, i.e. takeIt it is 30 °；
Power factor determination module is used for
If meeting following condition, then it is judged as " power factor is abnormal ":
The active power that P: power information acquisition system gathers
S: apparent energy, for according to current/voltage computed information, wherein:
Phase three-wire three:
Three-phase and four-line: S1=UAIA+UBIB+UCIC。
In the present embodiment, data collection station also includes: phase electro-detection module；Phase electro-detection module is used for detecting secondary side
Three-phase electricity whether phase shortage, and when phase shortage occurs, phase shortage information is sent to processor；
Phase electro-detection module includes: A phase electro-detection end, B phase electro-detection end, C phase electro-detection end, resistance R1, resistance R2, electricity
Resistance R3, resistance R4, resistance R5, resistance R6, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, diode D1,
Diode D2, diode D3, photoisolator；
A phase electro-detection end connects photoisolator input by resistance R1, diode D1, resistance R2；
B phase electro-detection end connects photoisolator input by resistance R3, diode D2, resistance R4；
C phase electro-detection end connects photoisolator input by resistance R5, diode D3, resistance R6；
Photoisolator be provided with A phase electro-detection end relative to A phase electro-detection outfan, relative with B phase electro-detection end
In B phase electro-detection outfan, with C phase electro-detection end relative to C phase electro-detection outfan.
In the present embodiment, data collection station 1 also includes: transmitting and receiving data processing module, send data configuration module,
Send data resolution module, stipulations judge module,
Transmitting and receiving data processing module is for being sent to service by the data of data collection station collection by FTP mode
Under the specified path of device, and obtain configuration information and performance information；
Send data configuration module to be used for data configuration to be sent is become xml document, obtain the IP port of FTP, for
The username and password that described data collection station is opened, xml document place acquisition approach and store path, during collection
Between；
Send data resolution module to be used for xml document is called into FTPClient class sending performance file, call
FTPClient instructs, and sets up with server and sends path, resolves all xml document and make xml bag；
Stipulations judge module is for interior by judging xml bag, and whether xml document is in accordance with the stipulations of communication protocol, if meeting
Stipulations are then transmitted, if not meeting, sending xml document and not meeting stipulations；
Server 2 also includes: data update judge module, data process filtering module, Database Mapping module, process letter
Breath stores module；
Data update judge module in the interior xml document of multilevel iudge currently received xml bag and a upper acquisition time
Whether the xml document received has renewal, if newly received xml document has renewal, then keeps this document to data base；
Data process filtering module and are used for call XML Util.getSafeXMLInputSource function, to every in xml bag
Individual xml document carries out information filtering process, and the xml document after filtering passes to NEPerformance function
NEPerformanceMeasInfo class, resolves and loads；
Database Mapping module is for calling NEPerformance class in the persistence.xml file of data base
With NEPerformanceMeasInfo class, each xml document resolving and loading be mapped to NEPerformance class and
The management of NEPerformanceMeasInfo apoplexy due to endogenous wind stores；
Process information stores module for value corresponding for each attribute in xml document is assigned to NEPerformance class sound
Bright information, and information is carried out judgement process, treat that all measurement results are all processed and load
After each variable in NEPerformanceMeasInfo, call EntityManager function and data are stored into data base
In.
The data message collected is stored by so server disaggregatedly, it is ensured that extracts is convenient in the future
Property.And by the transmission of FTP mode data, there is safety, transmission speed is fast.And the file in xml bag is looked into every time
Inquiry processes, and is then updated data base if any new fileinfo, the most or not without updating, which reduces data
Treating capacity, reduces the working strength of server.
System also includes: the market demand terminal being connected with server communication；
Market demand terminal includes: photographic head, recording module, GPS locating module, USB interface, identification module, number
According to storing module, data interaction module；
GPS locating module when using market demand terminal, carries out location positioning for user；Data interaction module is used for
Make user when scene is patrolled and examined, report patrol record, patrol and examine result, and obtain the field apparatus number that server stores
It is believed that breath；Authentication module includes: ID card reader；ID card reader is suitable with fingerprint capturer；
ID card reader is provided with formation-decoding module, and fingerprint capturer passes through fingerprint collecting program and data processing module phase
Even；Identity data in resident identification card demonstrate,proves program transportation to the formation-decoding module in ID card reader by brush；
Formation-decoding module is connected with panel computer and data processing module respectively；
Market demand terminal is provided with ID card information data-interface, fingerprint sensor interface, fingerprint algorithm module, fingerprint
Algorithm protection module；
Electrical network detection device is built-in with the close algoritic module of state, canonical algorithm module；The close algoritic module of state for support SM1,
The module of SM2, SM3, SMS4, SM6, SSF33, SCB2 state close algorithm fingerprint algorithm；Canonical algorithm module for support RSA, ECC,
The module of AES, DES/3DES, SHA international standard algorithm.
Market demand terminal is additionally operable to carrying out before scene patrols and examines, under user uses market demand terminal from server
Carry on-the-spot primary data to be maked an inspection tour or patrolled and examined result last time, and being stored in the data storage module of market demand terminal；Entering
When the on-the-spot electricity consumption of row is patrolled and examined, according to onsite user's situation, record on-the-spot power equipment in market demand terminal patrols and examines result,
In conjunction with the GPS positioning function of tour mobile terminal, the geographical location information during power utility check of real-time positioning scene or the ground of user
Reason positional information；
After patrolling and examining end, the data message that market demand terminal has gathered is uploaded by described user to server, real
Existing data exchange between market demand terminal and server, and update server internal database information updating.
Data collection station 2 includes: line feed terminals acquisition controlling unit, distribution transformer terminals acquisition controlling unit, data terminal
Acquisition controlling unit, branch line malfunctioning module；
Line feed terminals acquisition controlling unit, distribution transformer terminals acquisition controlling unit, data terminal acquisition controlling unit are to power supply
Switching station in system, ring main unit, switchgear house, box change, on-pole switch take remote measurement information, and electricity based on different telemetry stations
Stream situation carries out fault location, isolates and restore electricity；
Branch line malfunctioning module uses the quick segmentation switch with earth fault process function for branched line, when dividing
In block switch region during circuit generation singlephase earth fault, this branch segment switchs after delay judgement is permanent fault
Automatic brake separating, directly excises fault；When circuit generation phase fault in branch segment switch region, as branch segment switch is adopted
By chopper, on the spot tripping operation excision fault；As used on-load switch, higher level's switch protection breaking, customer segment switchs at circuit
Separating brake locking after dead electricity, after higher level switchs coincidence, adjacent lines restores electricity, and faulty line is isolated；Quick segmentation switchs
It is installed on high voltage electric family with operating load compared with the branched line big, fault rate is high；Overhead transmission line and cable run are respectively adopted
Quick segmentation switchs.
Server 1 also includes: data statistic analysis module；Data statistic analysis module is for data collection station collection
And the data that send combine the historical data information that data base stores, based on the result classified, add up, calculate and analyze, carry
For a series of functions such as information inquiry, report customization and analysis report formation, in order to support safety at power cut lookup, reliability data
Integrated application in terms of statistics；Power distribution network Various types of data includes real time data, non-real-time data and near-realtime data；Concrete mould
Block function includes: the reason classification analysis of distribution network failure；The retrieval of traffic control plan and analysis；Dispatching statistics and
Classification；Power failure job classification and job rating；Power supply reliability is analyzed and statistics；What other was answered user to need and exclusively carried out combines
Close application.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is and other
The difference of embodiment, identical similar portion reference mutually between each embodiment.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple amendment to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty phase one
The widest scope caused.
Claims (10)
1. an electric power system intelligent fault Computer Aided Analysis System, it is characterised in that including: server and multiple and server
The data collection station connected by GPRS or fiber optic communication；
Data collection station is arranged on monitored transformer station or monitored power equipment, and data collection station is for being supervised
Data message within the transformer station of control or monitored power equipment is acquired, and the data message of collection is uploaded to clothes
Business device；
Data collection station includes: processor, signal filtering module, signal amplification module, wireless communication module, data acquisition storage
Storing module, electric energy meter data acquisition module, quantity of state acquisition module, pulsed quantity acquisition module, ac analog acquisition module, go through
History data processing module, potential device data acquisition module, supply line's data acquisition module, breaker data acquisition module,
Disconnecting switch data acquisition module, earthed switch data acquisition module, being arranged on primary side current transformer, primary side voltage is mutual
Sensor, secondary side current mutual inductance assembly, secondary side mutual induction of voltage assembly；Primary side current transformer Real-time Collection primary side three-phase
Current data is also transferred to server；Primary side voltage transformer Real-time Collection primary side three-phase voltage data are also transferred to service
Device；Secondary side current mutual inductance assembly Real-time Collection secondary side three-phase current data are also transferred to server；Secondary side mutual induction of voltage
Assembly Real-time Collection secondary side three-phase voltage data are also transferred to server；
Electric energy meter data acquisition module for by set check meter day or timing acquisition time interval electric energy meter data are adopted
Collection, storage, and by gather electric energy meter data be sent to processor；
Quantity of state acquisition module is used for Real-time Collection low-voltage platform area low tension switch location status, when there is displacement in low tension switch, and will
Low tension switch displacement information stores, and is sent to processor；
Pulsed quantity acquisition module is used for receiving the pulse of electric energy meter output, and according to electric energy meter meter constant Kp imp/kWh, TV
No-load voltage ratio KTV, TA no-load voltage ratio KTA calculates mean power per minute, and records the same day, of that month power maximum and time of occurrence, and
It is sent to processor；
Ac analog acquisition module is for being adopted by use requirement predeterminated voltage, electric current, power, power, power factor analog quantity
Collection, measures voltage, electric current, power, power factor, and has the out-of-limit statistics of voltage monitoring, and voltage class of accuracy is 0.5, tool
Having harmonic data to add up, harmonic component class of accuracy is 1；
The data that historical data processing module is used for gathering, in units of day, in zero point history of forming day data next day, and are protected
Depositing nearest 30 days data, according to the guick freezing room set every with 15min, 30min, 45min, 60min form all kinds of freezing curve number
According to, and preserve nearest 30 days curve datas, and it is sent to processor；
Potential device data acquisition module is used for collection site potential device and the mould of the controller switching equipment suitable with potential device
Analog quantity, transformator each side electric current, voltage, active power, reactive power, coil temperature, oil temperature, and it is sent to processor；
Described supply line data acquisition module is for gathering the electric current of supply line, active power, reactive power；The electricity of bus
Pressure, frequency；The three-phase voltage of supply line, three-phase current, residual voltage, zero-sequence current, and it is sent to processor；
Described breaker data acquisition module, disconnecting switch data acquisition module, earthed switch data acquisition module are respectively used to
The switching value of collection site equipment, switching value includes: circuit breaker position, disconnecting switch, earthed switch position, killer switch position
Put, protection act resultant signal, on the spot/distant place switch positions, breaker operation mechanism abnormal signal, control loop template are believed
Number, protection alarm signal, protection device fault-signal, and be sent to processor；
Secondary side current mutual inductance assembly includes: current transformer, the input termination secondary side circuit of current transformer, Current Mutual Inductance
First outfan of device connects the negative electrode of diode DdL1, the anode of diode DdL2, transport and placing device electrode input end, electric capacity respectively
CdL1 the first end, resistance RdL1, the second outfan of current transformer connects the anode of diode DdL1 respectively, diode DdL2's
Negative electrode, transport and placing device negative input, the outfan of transport and placing device output termination secondary side current mutual inductance assembly；Secondary side current mutual inductance
The outfan of assembly connects processor by signal filtering module；
Secondary side mutual induction of voltage assembly includes: voltage transformer U1, and the input of voltage transformer U1 is respectively by resistance Rdy1
Connecing secondary side circuit with resistance Rdy2, the first outfan of voltage transformer connects the negative electrode of diode Ddy1, diode respectively
The anode of Ddy2, transport and placing device electrode input end, electric capacity Cdy1 the first end, resistance Rdy3 the first end, the second of voltage transformer is defeated
Go out end and connect the anode of diode Ddy1, the negative electrode of diode Ddy2, transport and placing device negative input, transport and placing device outfan, electricity respectively
Holding Cdy1 the second end, resistance Rdy3 the second end, the outfan of secondary side mutual induction of voltage assembly is simultaneously connected with；Secondary side mutual induction of voltage
The outfan of assembly connects processor by signal filtering module；
Signal filtering module includes: resistance Rlb1, resistance Rlb2, electric capacity Clb1, electric capacity Clb2, electric capacity Clb3, electric capacity Clb4, fortune
Put device LMlb；The input of signal filtering module connects the negative input of transport and placing device LMlb by resistance Rlb1, resistance Rlb2, electricity
Hold between Clb1 the first terminating resistor Rlb1, resistance Rlb2, electric capacity Clb1 the second termination signal filtration module outfan；
Processor is for storing the data message received to data acquisition storage inside modules, and controls radio communication mold
Block, sends data message to server；
Server includes: module when electric energy meter operation conditions monitoring modular, voltage monitoring module, power-factor monitoring module, school,
Limit value arranges module, pre-payment control module, line loss analysis module, apparent energy curve generation module, apparent energy pair
Than module, data interaction platform, data base；
The data message that electric energy meter operation conditions monitoring modular sends for data collection station, monitors electric energy meter operation conditions,
Monitoring electric energy meter operation conditions includes: parameters of electric energy meter changes, the electric energy meter time is overproof, electric meter fault information, electric energy meter indication
Decline, electric energy meter flies away, electric energy meter stops walking, infrared induction record, magnetic induction disturbance records；
Voltage monitoring module, for monitoring with Network Voltage Deviation, is added up by electrical network rate of qualified voltage；
Power-factor monitoring module is for being analyzed uniting to the power factor of monitoring point by the power factor segmentation limit value arranged
Meter, records monthly power factor and gets over the limit value generation cumulative time at each section；
During school, module is for instructing when data collection station tranmitting data register school, makes clock and service that data collection station gathers
The crystal oscillator clock of device is identical；
Limit value arranges module voltage and electric current of electric energy meter in arranging monitoring region and gets over limit value, power factor segmentation limit value；
Pre-payment control module is used for arranging and inquire about prepayment electric expense value, alarm door limit value, trip value pre-payment control ginseng
Number；
Line loss is analyzed module and is used for the topological structure according to electrical network, daily gathers single-phase, the three-phase user under circuit and Tai
The power consumption of district's summary table, by setting up line loss analyzing model, analyzes the active loss of every circuit in real time, is exceeding certain valve
Alert after value；
Apparent energy contrast module is for the primary side three-phase electricity electric current according to real-time Transmission, primary side three-phase voltage, secondary side
Three-phase electricity electric current, secondary side three-phase voltage, calculate active power, reactive power, and draw apparent energy, make apparent energy
Curve；
Apparent energy contrast module is used for contrasting primary side power information and secondary side power information, carries out Data Comparison and same
One page iso-surface patch becomes two apparent energy curves, informs whether user first and second side power information exists use on a display screen
Electrical anomaly；
Data interaction platform is used for realizing exchanging communication between user of service with operation maintenance personnel, is tracked system processing, and
And the client port that offer mobile terminal connects, make user of service use with operation maintenance personnel mobile terminal to be connected data interaction and put down
Platform；
Platform also provides for power information acquisition system construction specification, standard, acquisition system workbook, different to FAQs
Often processing method related data carries out sorting out, showing, facilitates user to consult, it is achieved knowledge document management, knowledge collection and guidance,
Frequently asked questions function, with according to problem occur area, problem category, submission time, solution time angularly carry out statistical summaries,
Analyze.
Electric power system intelligent fault Computer Aided Analysis System the most according to claim 1, it is characterised in that
Processor is connected with wireless communication module by signal amplification module, and signal amplification module is for the number sent by processor
It is believed that breath is amplified, signal amplification module includes: resistance Rsy2, resistance Rsy3, resistance Rsy4, electric capacity Csy1, electric capacity Csy2,
Diode Dsy1, diode Dsy2, transport and placing device LMsy；
The input of signal amplification module connects the electrode input end of transport and placing device LMsy, the negative pole of transport and placing device LMsy by resistance Rsy2
Input passes through resistance Rsy3 ground connection, is connect the outfan of signal amplification module by resistance Rsy4；Diode Dsy1, diode
Dsy2 is connected in series, and the negative electrode of diode Dsy1 connects power supply, the plus earth of diode Dsy2；Diode Dsy1, diode
The outfan of the indirect signal amplification module of Dsy2, the outfan of transport and placing device LMsy.
Electric power system intelligent fault Computer Aided Analysis System the most according to claim 1, it is characterised in that data collection station
Including: clock circuit；
Described clock circuit, for by the clock setting to processor, completes the setting of processor clock；Clock circuit and place
Reason device connects, and during the rising edge of next SULK clock after control instruction character inputs, data are written into, and data are from low level 0
Start input processor；In the trailing edge read-out processor data immediately following the next pulse after the control instruction word of 8, read
From low level 0 to high-order 7 during data；XI, X2 pin connects crystal oscillator, provides timely pulse for processor；
Described clock circuit includes: clock chip, quartz oscillation module, clock amplification module, clock capacitance Csz1, clock capacitance
Csz2, clock resistance Rsz1, clock resistance Rsz2；
Described clock chip is set with the second in described clock chip, point, time, the date is clock data, by reading or writing acquisition and repairing
Change clock data；There is the static RAM of 114 bytes inside described clock chip, set by serial port for storage system temporarily
Fixed specific character lattice codebook；Described clock amplification module, clock capacitance Csz1, clock resistance Rsz1 composition clock amplifies electricity
Road；Described clock capacitance Csz2, clock resistance Rsz2 form filter circuit.
Electric power system intelligent fault Computer Aided Analysis System the most according to claim 1, it is characterised in that
Server also includes: secondary side phase voltage compares to determine module, secondary side phase current compares to determine module, power judges mould
Block, power factor determination module；
Secondary side phase voltage compares to determine module for by each for secondary side phase voltage data and secondary side each phase voltage basic data
In reference voltage compare, if it is low by more than 20% to record voltage ratio reference voltage, be then judged as under-voltage；If recording voltage ratio
Reference voltage is high by more than 20%, then be judged as superpressure；If voltage is 0, then it is judged as decompression；
Secondary side phase current compares to determine module for according to secondary side each phase current data, calculating current three-phase imbalance rate,
The condition meeting (maximum current value-minimum current value)/maximum current value >=30% is then judged as three-phase current unbalance；If
Small area analysis value is 0, then be judged as defluidization；
Power determination module is used for
When meeting following condition, then it is judged as that power is abnormal:
(P2-P3)/P2>=30%
Phase three-wire three:
Three-phase and four-line:
By P1Comparing with active power data, bigger value is taken as P2, little value is taken as P3
Wherein, UA, UB, UCFor each phase voltage value, IA, IB, ICFor each phase current values,It is taken as normal value, generally 0.8-
0.9,0.866 can be set to, i.e. takeIt it is 30 °；
Power factor determination module is used for
If meeting following condition, then it is judged as " the different band of power factor ":
The active power that P: power information acquisition system gathers
S: apparent energy, for according to current/voltage computed information, wherein:
Phase three-wire three:
Three-phase and four-line: S1=UAIA+UBIB+UCIC。
Electric power system intelligent fault Computer Aided Analysis System the most according to claim 1, it is characterised in that
Data collection station also includes: phase electro-detection module；Phase electro-detection module is used for detecting secondary side three-phase electricity whether phase shortage,
And when phase shortage occurs, phase shortage information is sent to processor；
Phase electro-detection module includes: A phase electro-detection end, B phase electro-detection end, C phase electro-detection end, resistance R1, resistance R2, resistance
R3, resistance R4, resistance R5, resistance R6, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, diode D1, two
Pole pipe D2, diode D3, photoisolator；
A phase electro-detection end connects photoisolator input by resistance R1, diode D1, resistance R2；
B phase electro-detection end connects photoisolator input by resistance R3, diode D2, resistance R4；
C phase electro-detection end connects photoisolator input by resistance R5, diode D3, resistance R6；
Photoisolator be provided with A phase electro-detection end relative to A phase electro-detection outfan, with B phase electro-detection end relative to B
Phase electro-detection outfan, with C phase electro-detection end relative to C phase electro-detection outfan.
Electric power system intelligent fault Computer Aided Analysis System the most according to claim 1, it is characterised in that
Data collection station also includes: transmitting and receiving data processing module, transmission data configuration module, transmission data parsing mould
Block, stipulations judge module,
Transmitting and receiving data processing module is for being sent to server by FTP mode by the data of data collection station collection
Under specified path, and obtain configuration information and performance information；
Send data configuration module to be used for data configuration to be sent is become xml document, obtain the IP port of FTP, for described
The username and password that data collection station is opened, xml document place acquisition approach and store path, acquisition time；
Send data resolution module to be used for xml document is called into FTPClient class sending performance file, call FTPClient
Instruction, sets up with server and sends path, resolve all xml document and make xml bag；
Stipulations judge module is for interior by judging xml bag, and whether xml document is in accordance with the stipulations of communication protocol, if meeting stipulations
Then it is transmitted, if not meeting, sending xml document and not meeting stipulations；
Server also includes: data update judge module, data process filtering module, Database Mapping module, the information that processes are stored up
Storing module；
Data update judge module and receive in xml document and a upper acquisition time in multilevel iudge currently received xml bag
Xml document whether have renewal, if newly received xml document has renewal, then by this document keep to data base；
Data process filtering module and are used for call XML Util.getSafeXMLInputSource function, to each in xml bag
Xml document carries out information filtering process, and the xml document after filtering passes to NEPerformance function
NEPerformanceMeasInfo class, resolves and loads；
Database Mapping module for call in the persistence.xml file of data base NEPerformance class and
NEPerformanceMeasInfo class, each xml document resolving and loading be mapped to NEPerformance class and
The management of NEPerformanceMeasInfo apoplexy due to endogenous wind stores；
Process information stores module for value corresponding for each attribute in xml document is assigned to NEPerformance class declaration
Information, and information is carried out judgement process, treat that all measurement results are all processed and load in NEPerformanceMeasInfo
Each variable after, call EntityManager function and data be stored in data base.
Electric power system intelligent fault Computer Aided Analysis System the most according to claim 1, it is characterised in that
Also include: the market demand terminal being connected with server communication；
Market demand terminal includes: photographic head, recording module, GPS locating module, USB interface, identification module, data are stored up
Storing module, data interaction module；
GPS locating module when using market demand terminal, carries out location positioning for user；
Data interaction module is used for making user when patrolling and examining scene, reports patrol record, patrols and examines result, and obtains clothes
The field equipment data information that business device stores；
Authentication module includes: ID card reader；
ID card reader is suitable with fingerprint capturer；
ID card reader is provided with formation-decoding module, and fingerprint capturer passes through fingerprint collecting program and data processing module
It is connected；Identity data in resident identification card decodes mould by brush card program transportation to the information in ID card reader
Block；Formation-decoding module is connected with panel computer and data processing module respectively；
Market demand terminal is provided with ID card information data-interface, fingerprint sensor interface, fingerprint algorithm module, fingerprint algorithm
Protection module；
Electrical network detection device is built-in with the close algoritic module of state, canonical algorithm module；The close algoritic module of state for support SM1, SM2,
The module of SM3, SMS4, SM6, SSF33, SCB2 state close algorithm fingerprint algorithm；Canonical algorithm module for support RSA, ECC, AES,
The module of DES/3DES, SHA international standard algorithm.
Electric power system intelligent fault Computer Aided Analysis System the most according to claim 7, it is characterised in that
Market demand terminal is additionally operable to carrying out before scene patrols and examines, and it is existing that user uses market demand terminal to download from server
Primary data to be maked an inspection tour or patrolled and examined result last time, and be stored in the data storage module of market demand terminal；Carrying out now
When field electricity consumption is patrolled and examined, according to onsite user's situation, record on-the-spot power equipment in market demand terminal patrols and examines result, in conjunction with
Make an inspection tour the GPS positioning function of mobile terminal, the geographical location information during power utility check of real-time positioning scene or the geographical position of user
Confidence ceases；
After patrolling and examining end, the data message that market demand terminal has gathered is uploaded by described user to server, it is achieved number
Exchange according to the data between application terminal and server, and update server internal database information updating.
Electric power system intelligent fault Computer Aided Analysis System the most according to claim 1, it is characterised in that
Data collection station includes: line feed terminals acquisition controlling unit, distribution transformer terminals acquisition controlling unit, data terminal collection control
Unit processed, branch line malfunctioning module；
Line feed terminals acquisition controlling unit, distribution transformer terminals acquisition controlling unit, data terminal acquisition controlling unit are to electric power system
On switching station, ring main unit, switchgear house, box change, on-pole switch take remote measurement information, and electric current feelings based on different telemetry stations
Condition carries out fault location, isolates and restore electricity；
Branch line malfunctioning module uses the quick segmentation switch with earth fault process function for branched line, when branch divides
In section switch region during circuit generation singlephase earth fault, this branch segment switch is automatic after delay judgement is permanent fault
Separating brake, directly excises fault；When circuit generation phase fault in branch segment switch region, as branch segment switch uses disconnected
Road device, on the spot tripping operation excision fault；As used on-load switch, higher level's switch protection breaking, customer segment switchs in circuit dead electricity
Rear separating brake locking, after higher level switchs coincidence, adjacent lines restores electricity, and faulty line is isolated；Quick segmentation switch is installed
In high voltage electric family with operating load compared with the branched line big, fault rate is high；Overhead transmission line and cable run are respectively adopted quickly
Block switch.
Electric power system intelligent fault Computer Aided Analysis System the most according to claim 1, it is characterised in that
Server also includes: data statistic analysis module；
Data statistic analysis module is for the data to data collection station collection and sent and combines the history that data base stores
Data message, based on the result classified, add up, calculate and analyze, it is provided that information inquiry, report customization and analysis report formation etc.
A series of functions, in order to support the integrated application in terms of safety at power cut lookup, reliability data statistics；Power distribution network Various types of data bag
Include real time data, non-real-time data and near-realtime data；Concrete functions of modules includes: the reason of distribution network failure is sorted out and divided
Analysis；The retrieval of traffic control plan and analysis；Dispatching statistics and classification；Power failure job classification and job rating；Power supply
Fail-safe analysis and statistics；Other integrated application answered user to need and exclusively carry out.
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