CN104614699A - Higher-efficiency remote monitoring and diagnosis method of electric energy metering device - Google Patents
Higher-efficiency remote monitoring and diagnosis method of electric energy metering device Download PDFInfo
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Abstract
The invention provides a higher-efficiency remote monitoring and diagnosis method of an electric energy metering device. A monitoring and diagnosis system comprises a power utilization information acquisition system, a communication server, a data collection and analysis server, a database server, a service information server, a Web server, a work station computer and a data bus, wherein the power utilization information acquisition system is used for transmitting data by the communication server and the data collection and analysis server; the data collection and analysis server, the database server, the service information server, the Web server and the work station computer are in signal electric connection with the data bus. The remote monitoring and diagnosis method comprises the following steps: acquiring data, calling the data, carrying out analysis processing, carrying out fault alarming and outputting needed electricity compensation information. The timeliness of finding and processing the faults of the electric energy metering device is improved; the electric energy metering monitoring and managing level of a power supply unit is improved, the electricity compensation disputes are reduced, a lot of manpower and material resources are saved, the working efficiency is improved and the loss is reduced and the effect is increased.
Description
Patented claim of the present invention is application number is 201210420980.1, the applying date be October 29 in 2012 day, be called the divisional application of the application for a patent for invention of " Watthour meter remote monitoring diagnosis system and method for work thereof ".
Technical field
The present invention relates to power supply measure monitor technical field, be specifically related to a kind of system and method for work thereof of electric power meter operation conditions being carried out to remote monitoring analyzing and diagnosing.
Background technology
The electric power meter at power consumer scene generally includes mutual inductor, secondary circuit and electric energy meter.Thus, common electric power meter fault correspondingly comprises mulual inductor malfunction, secondary circuit failure and electrical energy meter fault.Mulual inductor malfunction is generally the turn-to-turn short circuit of a certain phase mutual inductor, mutual inductor high voltage fuse breaks, mutual inductor zero line does not connect; Secondary circuit failure is generally wiring error, current transformer loop multiple grounding, secondary line disconnects and secondary line broken skin causes shunting etc.; Electrical energy meter fault common are stop walking, clock of power meter is inaccurate, electric energy meter falls away, register combined error, internal memory are disorderly, electric energy meter phase original paper damages and battery exceeds the time limit.In addition, the overcurrent that load exceedes mutual inductor, the electric energy meter upper limit causes caused because of human factor, the shunting caused because of stealing, decompression and because of the improper variation of electric energy meter electricity registration etc. that change electric energy meter is arranged and internal memory numeral causes is also had.
Human factor and most electric power meter fault all can cause the metering misalignment of power consumption, cause computed quantity of electricity afterwards to remedy work, even cause electricity to push away benefit dispute.The means of the electric power meter abnormal information of current discovery user mainly rely on manual site to verify, and manual site's check-verifying period is at least 3 months, and the time is oversize to be given the confirmation of wrong electric energy and remedies and cause difficulty; Field-checking needs user to provide cooperation, and subjectivity promise breaking electricity consumption or the stealing situation of user are found in the scene of being difficult to; Manual site verifies effort of taking a lot of work simultaneously.At present, along with the development of the structure of intelligent grid, the popularization of intelligent electric meter and technology, Real-time Collection carried out to the data of electric power meter, the long-range electric power meter to user is monitored, diagnosis and management is carried out in real time to the abnormal information occurred become possibility.The Chinese patent literature that publication number is CN 101162264A, denomination of invention is " long-range check monitoring system " proposes a kind of carries out long-range check-up monitoring by telecommunication to electric power meter, but its various faults to electric power meter, people for stealing and to the decision method of the fault of electric power meter and remedy electricity method described in not quite clear.
Summary of the invention
The object of the invention is: overcome the deficiencies in the prior art, providing a kind of for carrying out Real-Time Monitoring to the operation conditions of power consumer field electric energy measurement device and the Watthour meter remote monitoring, diagnosing method providing the efficiency of aid decision making higher to the abnormal conditions such as electric power meter fault and stealing and alarm and to the electricity that needs are remedied.
Technical scheme of the present invention is: Watthour meter remote monitoring diagnosis system of the present invention, and its design feature is: comprise power information acquisition system, the communication server, data collection and analysis server, database server, traffic information services device, Web server, workstation computer and data bus; Above-mentioned power information acquisition system is the information acquisition system of a kind of power consumption for Real-time Collection power consumer and electric power meter electric parameter and logout; The communication server is a kind of communication-diversion services device; Data collection and analysis server is implanted with the server of data collection software system and analyzing and diagnosing software systems in being; Database server is storage of electrical energy measuring apparatus real time data and the server analyzing decision threshold; The analysis decision threshold of the above-mentioned electric power meter be stored in database server comprises disconnected phase, decompression, defluidization, overvoltage, overcurrent, Voltage unbalance, current imbalance, ammeter clock is abnormal, abnormal, the idle combined error of abnormal, the meritorious combined error of ammeter programming is abnormal, user stops electricity consumption, power factor is too low, power consumption is abnormal reduces and the analysis decision threshold of power consumption abnormal growth; Traffic information services device is the server storing power consumer archive information; Above-mentioned archive information comprises power consumer application capacity, suspends electricity consumption, the rated current of electric power meter, rated voltage parameter; Web server is implanted with the server of Web application subsystem in being; Workstation computer is for being arranged on providing operation interface and display fault alarm for user and remedying the PC of electricity number information of monitoring center;
Above-mentioned power information acquisition system is connected with communication server radio communication; The communication server is electrically connected with data collection and analysis server communication; Data collection and analysis server, database server, traffic information services device, Web server and workstation computer are by the mutual signal electrical connection of data bus;
Above-mentioned power information acquisition system comprises special transformer terminals, centralized automatic meter-reading terminal and RS485 intelligent electric energy meter; Centralized automatic meter-reading terminal, specially transformer terminals and RS485 intelligent electric energy meter communicate to connect; Centralized automatic meter-reading terminal and special transformer terminals are communicated to connect by GPRS network and the above-mentioned communication server; The quantity of above-mentioned special transformer terminals, centralized automatic meter-reading terminal and RS485 intelligent electric energy meter is arranged according to actual needs.
The Watthour meter remote monitoring, diagnosing method that the efficiency implemented by above-mentioned Watthour meter remote monitoring diagnosis system is higher, comprises the following steps:
1. the service data of power information acquisition system Real-time Collection power consumer electric energy meter is transferred to data collection and analysis server through the communication server; The information of reception is stored to database server through data bus transmission by its data collection software system by data collection and analysis server; The service data of above-mentioned electric energy meter comprise power consumption, voltage, electric current, active energy and at times electricity, peak/flat/paddy day part meritorious/capacity of idle power and information about power, power factor, in real time meritorious/reactive power, active energy, clock information, programmed events information, logout information at times; Wherein divide phase acquisition to the voltage and current of electric energy meter;
2. data collection and analysis server passes through its analyzing and diagnosing software systems through the electric power meter real time data of data bus calling data storehouse server stores and the archive information data analyzing decision threshold and the storage of traffic information services device;
The data of data collection and analysis server calls comprise the real-time voltage of electric power meter, the rated voltage of current data and voltage, current threshold and electric power meter and rated current data;
3. data collection and analysis server by its analyzing and diagnosing software systems to the real time data of electric power meter, analyze decision threshold and archive information carries out overall treatment analysis, judge whether each real time data exceedes its corresponding threshold values; If do not exceed threshold values, judge that electric power meter is working properly; If exceed threshold values, first determine whether to need to calculate the fault of remedying electricity: if, then automatically calculate electricity more positive coefficient after calculating the electricity number that need remedy, the electricity number that need remedy together with fault title and warning message through data bus transmission to workstation computer; If not, then by fault title and warning message through data bus transmission to workstation computer;
If certain phase voltage of a certain electric power meter is lower than 60% rated voltage, load current is less than 0.5% rated current simultaneously, and the duration is greater than 1 minute, and data collection and analysis server judges this electric power meter generation open phase fault; Then judge that open phase fault is as remedying electricity fault; Then judge that the open phase fault of generation is as disconnected a phase, two-phase or three-phase fault: as being judged to be an only disconnected phase fault, need remedying to copy and seeing that 1/2 electricity number of electricity number is transferred to workstation computer together with fault title and warning message; As being judged to be disconnected phase to phase fault, need remedying to copy and seeing that 2 times of electricity numbers of electricity number are transferred to workstation computer together with fault title and warning message; As being judged to be three-phase disconnected fault entirely, then exporting should by manually remedying information about power by actual conditions is transferred to workstation computer together with fault title and warning message;
If certain phase current of a certain electric power meter is greater than 0.5% rated current, voltage lower than 78% rated voltage, and the duration is greater than 1 minute, and data collection and analysis server judges this electric power meter generation no-voltage fault; Then judge that no-voltage fault is as remedying electricity fault; Then judge that the no-voltage fault of generation is as a phase decompression, two-phase decompression or three-phase pressure loss fault: as being judged to be a phase no-voltage fault, need remedying to copy and seeing that 1/2 electricity number of electricity number is transferred to workstation computer together with fault title and warning message; As being judged to be two-phase no-voltage fault, need remedying to copy and seeing that 2 times of electricity numbers of electricity number are transferred to workstation computer together with fault title and warning message; As being judged to be three-phase pressure loss fault, then exporting should by manually remedying information about power by actual conditions is transferred to workstation computer together with fault title and warning message;
Data collection and analysis server is by the rated voltage of the voltage of electric power meter, its corresponding threshold values of electric current real time data and electric power meter and the process of rated current data analysis: if the three-phase voltage of a certain electric power meter is all greater than arbitrary phase or two-phase in 60% rated voltage, three-phase current be less than 0.5% rated current and other phase line load currents are greater than 5% rated current, and the duration is greater than 1 minute, data collection and analysis server judges this electric power meter generation defluidization fault; Then judge that defluidization fault is as remedying electricity fault; Then judge that the defluidization fault of generation is as a phase defluidization, two-phase defluidization or three-phase defluidization fault: as being judged to be a phase defluidization fault, need remedying to copy and seeing that 1/2 electricity number of electricity number is transferred to workstation computer together with fault title and warning message; As being judged to be two-phase defluidization fault, need remedying to copy and seeing that 2 times of electricity numbers of electricity number are transferred to workstation computer together with fault title and warning message; As being judged to be three-phase defluidization fault, then exporting should by manually remedying information about power by actual conditions is transferred to workstation computer together with fault title and warning message;
If certain phase voltage of a certain electric power meter is greater than 120% rated voltage, data collection and analysis server judges this electric power meter generation overvoltage fault, and judges that overvoltage fault remedies electricity fault as non-; Output fault title and warning message are transferred to workstation computer;
If certain phase current of a certain electric power meter is greater than 120% rated current, data collection and analysis server judges this electric power meter generation over current fault, and judges that over current fault remedies electricity fault as non-; Output fault title and warning message are transferred to workstation computer.
Further scheme is: above-mentioned step 2. in the data of data collection and analysis server calls comprise the real-time voltage data of electric power meter and the nominal voltage data of threshold voltage and electric power meter;
Above-mentioned step 3. in, the its corresponding threshold values of real-time voltage data of electric power meter and nominal voltage data are carried out analyzing and processing by data collection and analysis server: if arbitrary phase or two phase voltages exceed ± 30% rated voltage in the three-phase voltage of a certain electric power meter, data collection and analysis server judges this electric power meter generation Voltage unbalance fault, and judges that Voltage unbalance fault remedies electricity fault as non-; Output fault title and warning message are transferred to workstation computer.
Further scheme is: above-mentioned step 2. in the data of data collection and analysis server calls comprise the real-time current data of electric power meter and the rated current data of current threshold and electric power meter;
Above-mentioned step 3. in, data collection and analysis server is by its corresponding threshold values of real-time current data of electric power meter and the process of rated current data analysis: if in the three-phase current of a certain electric power meter, arbitrary phase or biphase current exceed ± 30% rated current, data collection and analysis server judges this electric power meter generation current imbalance fault, and Cutoff current imbalance fault is non-ly remedy electricity fault; Output fault title and warning message are transferred to workstation computer.
Further scheme is: above-mentioned step 2. in the data of data collection and analysis server calls comprise active energy and peak/flat/paddy day part active energy of electric power meter and analyze decision threshold accordingly;
Above-mentioned step 3. in, the peak of the active energy of electric power meter and this electric power meter/flat/paddy day part active energy and respective thresholds thereof are carried out analyzing and processing by data collection and analysis server: if the active energy of a certain electric power meter is electric more than 1 degree with the error of Qi Feng/flat/paddy day part active energy sum, data collection and analysis server judges that meritorious combined error fault occurs this electric power meter, and judges that meritorious combined error fault remedies electricity fault as non-; Output fault title and warning message are transferred to workstation computer.
Further scheme is: the data of above-mentioned 2. middle data collection and analysis server calls comprise capacity of idle power and peak/flat/paddy day part capacity of idle power of electric power meter and analyze decision threshold accordingly;
Above-mentioned step 3. in, the peak of the capacity of idle power of electric power meter and this electric power meter/flat/paddy day part capacity of idle power and respective thresholds thereof are carried out analyzing and processing by data collection and analysis server: if the error of the capacity of idle power of a certain electric power meter and Qi Feng/put down/paddy day part capacity of idle power sum is more than 1 kilovar-hour, data collection and analysis server judges that idle combined error fault occurs this electric power meter, and judges that idle combined error fault remedies electricity fault as non-; Output fault title and warning message are transferred to workstation computer.
Further scheme is: above-mentioned step 2. in the data of data collection and analysis server calls comprise the power factor of electric power meter and analyze decision threshold accordingly;
Above-mentioned step 3. in, its corresponding for the power factor of electric power meter analysis decision threshold is carried out analyzing and processing by data collection and analysis server: if arbitrary phase of a certain electric power meter or two-phase monthly average power factor are lower than 0.5, data collection and analysis server judges the too low fault of this electric power meter generation power factor, and judges that the too low fault of power factor (PF) remedies electricity fault as non-; Output fault title and warning message are transferred to workstation computer.
Further scheme is: above-mentioned step 2. in the data of data collection and analysis server calls comprise the power consumption data of electric power meter and power consumption reduces extremely, power consumption abnormal growth analyzes decision threshold;
Above-mentioned step 3. in, data collection and analysis server by power consumption data in this collection period of electric power meter with last time power consumption data and corresponding decision threshold carry out analyzing and processing: if last time reduces by more than 50% compared with this power consumption of a certain electric power meter, data collection and analysis server judges that this electric power meter power consumption is abnormal to be reduced; If a certain electric power meter this copy and see that power consumption is compared and grew beyond 100% last time, data collection and analysis server judges this electric power meter power consumption abnormal growth; And judge that the abnormal minimizing of power consumption and power consumption abnormal growth fault remedy electricity fault as non-; Data collection and analysis server exports corresponding warning message and is transferred to workstation computer.
Further scheme is: above-mentioned step 2. in the data of data collection and analysis server calls comprise clock information and the clock threshold values of electric power meter, clock threshold values also i.e. standard time clock value;
Above-mentioned step 3. in, the clock information of electric power meter and clock threshold values are carried out analyzing and processing by data collection and analysis server: if the clocking error of a certain electric power meter is greater than 5 minutes, data collection and analysis server judges this electric power meter generation clock abnormal failure, and judges that clock abnormal failure remedies electricity fault as non-; Output fault title and warning message are transferred to workstation computer.
Further scheme is: above-mentioned step 2. in the data of data collection and analysis server calls comprise the programmed events information of electric power meter;
Above-mentioned step 3. in, the its corresponding threshold values of programmed events information of electric power meter is carried out analyzing and processing by data collection and analysis server: if the programming number of times of a certain electric power meter is greater than 1 time, data collection and analysis server judges that programming abnormal failure occurs this electric power meter, and judges that programming abnormal failure remedies electricity fault as non-; Output fault title and warning message are transferred to workstation computer.
The present invention has positive effect: the related data that (1) Watthour meter remote monitoring diagnosis system of the present invention runs by gathering power consumer electric power meter, automatic judgement is broken phase, decompression, defluidization, overvoltage, overcurrent, Voltage unbalance, current imbalance, meritorious combined error is abnormal, idle combined error is abnormal, power factor is too low, power consumption is abnormal to be reduced, power consumption abnormal growth, ammeter clock is abnormal, the abnormal fault waiting electric power meter of ammeter programming, automatic output fault title and warning message also export the electricity number that need remedy to needing to calculate the fault of remedying electricity simultaneously automatically, improve the promptness of electric power meter fault discovery and process greatly, improve electric energy measuring management level, electric quantity compensating dispute can be reduced significantly, reduce the economic loss of electric company, improve power supply enterprise's economic benefit and management modernization level.(2) monitoring, diagnosing method of the present invention replaces traditional manual site's fault detect School Affairs manually to calculate work such as remedying electricity, saves a large amount of manpower and materials, alleviates labour intensity, improve work efficiency, be conducive to falling damage synergy.
Accompanying drawing explanation
Fig. 1 is the structural representation of Watthour meter remote monitoring diagnosis system of the present invention;
Fig. 2 is the structural representation of the power information acquisition system in Fig. 1, also show the radio communication annexation of the communication server in itself and Fig. 1 in figure;
Fig. 3 is process flow diagram of the present invention.
Reference numeral in above-mentioned accompanying drawing is as follows:
Power information acquisition system 1, the communication server 2, data collection and analysis server 3, database server 4, traffic information services device 5, Web server 6, workstation computer 7, data bus 8.
Embodiment
(embodiment 1)
See Fig. 1, the Watthour meter remote monitoring, diagnosing method that the efficiency of the present embodiment is higher, adopt Watthour meter remote monitoring diagnosis system to implement, this system is made up of power information acquisition system 1, the communication server 2, data collection and analysis server 3, database server 4, traffic information services device 5, Web server 6, workstation computer 7 and data bus 8.
Power information acquisition system 1 is arranged on power consumer scene; The communication server 2, data collection and analysis server 3, database server 4, traffic information services device 5, Web server 6, workstation computer 7 and data bus 8 are all arranged on power distribution network monitoring center.
Power information acquisition system 1 is connected with the communication server 2 radio communication; The communication server 2 communicates with data collection and analysis server 3 and is electrically connected; Data collection and analysis server 3, database server 4, traffic information services device 5, Web server 6 and workstation computer 7 is by data bus 8 signal electrical connection each other.
See Fig. 2, power information acquisition system 1 is the information acquisition system of a kind of power consumption for Real-time Collection power consumer and electric power meter electric parameter and logout; In the present embodiment, power information acquisition system 1 is made up of special transformer terminals, centralized automatic meter-reading terminal and RS485 intelligent electric energy meter; Special transformer terminals is arranged specially for large electricity consumer, and centralized automatic meter-reading terminal is that domestic consumer is arranged; Special transformer terminals and centralized automatic meter-reading terminal all have local communication and by GPRS network remote radio communication function; Special transformer terminals and centralized automatic meter-reading terminal communicate to connect with the RS485 intelligent electric energy meter of power consumer respectively; Special transformer terminals and centralized automatic meter-reading terminal are communicated to connect by the GPRS network communication server 2 respectively; The quantity of special transformer terminals, centralized automatic meter-reading terminal and RS485 intelligent electric energy meter is arranged according to actual needs.
The service data of power information acquisition system 1 Real-time Collection power consumer electric energy meter.Its service data of electric energy meter gathered comprise power consumption, voltage, electric current, active energy and at times electricity, peak/flat/paddy day part meritorious/capacity of idle power and information about power, power factor, in real time meritorious/reactive power, active energy, clock information, programmed events information, logout information at times; The voltage and current of power information acquisition system 1 pair of electric energy meter carries out a point phase acquisition.
The communication server 2 is a kind of communication-diversion services devices.The communication server 2 receives the real-time running data of the power consumer electric energy meter that power information acquisition system 1 sends by wireless channel, is transferred to data collection and analysis server 3 through optical cable wired.
Data collection and analysis server 3 is implanted with the server of custom-designed data collection software system and analyzing and diagnosing software systems in being; The real-time running data of the power consumer electric energy meter that data collection and analysis server 3 is transmitted via the communication server 2 by data collection software systematic collection power information acquisition system 1 data send to database server 4 to store; Data collection and analysis server 3 is monitored electric power meter by the data stored in its analyzing and diagnosing software systems calling data storehouse server 4 and traffic information services device 5 and various fault, abnormal occurrence is carried out to diagnostic analysis and made corresponding process, finds user's electric power meter fault or sends warning message when there is abnormal occurrence and propose the corresponding aid decision makings such as the electricity number that should remedy to the fault that some need to remedy electricity.
Database server 4 is for storage of electrical energy measuring apparatus real time data and the server analyzing decision threshold; The analysis decision threshold of the electric power meter stored in database server 4 comprises disconnected phase, decompression, defluidization, overvoltage, overcurrent, Voltage unbalance, current imbalance, ammeter clock is abnormal, abnormal, the idle combined error of abnormal, the meritorious combined error of ammeter programming is abnormal, user stops electricity consumption, power factor is too low, power consumption is abnormal reduces and the corresponding analysis decision threshold of the fault such as power consumption abnormal growth or abnormal occurrence; The real-time running data that database server 4 receives by data bus 8 the power consumer electric energy meter that data collection and analysis server 3 transmits is stored, and accepts the data call of data collection and analysis server 3.
Traffic information services device 5 is servers of the archive information for store power user; Its technical parameter such as rated current, rated voltage that archive information comprises power consumer application capacity information, user suspends electricity consumption power information and electric power meter stored; Traffic information services device 5 accepts the data call of data collection and analysis server 3 by data bus 8.
The server that Web server 6 is implanted with in being.The application distribution unit of Web application subsystem is divided into B/S structure, development platform application enterprise module J2EE developing instrument, use JAVA language is developed, use main flow framework technology as multiple in Struts2, Spring etc. to improve optimization system performance, page display layer adopts AJAX technology, by asynchronous mode, optimizes the transmission between browser and server, reduce unnecessary data to come and go, to reduce bandwidth occupancy.Web application subsystem possesses the functions such as basic application, senior application, operational management, statistical query, system management.The automatic operation of Web application system support system, and enable the staff of power distribution network monitoring center be operated the Watthour meter remote monitoring diagnosis system using the present embodiment easily by workstation computer 7.
Workstation computer 7 is common PC.Workstation computer 7 provides operating platform for the staff of power distribution network monitoring center.And workstation computer 7 also by aobvious fault and the warning message being shown of the transmission of data bus 8 real-time reception data collection and analysis server 3, facilitates the running status of staff's Real-Time Monitoring power distribution network.The quantity of workstation computer 7 and arranging as required, can connecting system easily by data bus 8.
Data bus 8 is for linking together data collection and analysis server 3, database server 4, traffic information services device 5, Web server 6 and workstation computer 7 each other.
See Fig. 3, the Watthour meter remote monitoring, diagnosing method that the efficiency of the present embodiment is higher, mainly comprises the following steps:
1. the service data of power information acquisition system 1 Real-time Collection power consumer electric energy meter is transferred to data collection and analysis server 3 through the communication server 2; The information of reception is transferred to database server 4 through data bus 8 by its data collection software system and stores by data collection and analysis server 3; The service data of described electric energy meter comprise power consumption, voltage, electric current, active energy and at times electricity, peak/flat/paddy day part meritorious/capacity of idle power and information about power, power factor, in real time meritorious/reactive power, active energy, clock information, programmed events information, logout information at times; Wherein divide phase acquisition to the voltage and current of electric energy meter;
2. data collection and analysis server 3 passes through its analyzing and diagnosing software systems through data bus 8 calling data storehouse server 4 the electric power meter real time data stored and the archive information data analyzing decision threshold and traffic information services device 5 storage;
3. data collection and analysis server 3 by its analyzing and diagnosing software systems to the real time data of electric power meter, analyze decision threshold and archive information carries out overall treatment analysis, judge whether each real time data exceedes its corresponding threshold values; If do not exceed threshold values, judge that electric power meter is working properly; If exceed threshold values, first determine whether to need to calculate the fault of remedying electricity: if, then automatically calculate electricity more positive coefficient after calculating the electricity number that need remedy, the electricity number that need remedy is transferred to workstation computer 7 together with fault title and warning message through data bus 8; If not, then fault title and warning message are transferred to workstation computer 7 through data bus 8.
3. 2. data collection and analysis server 3 carry out Real-Time Monitoring and diagnosis to the electric power meter of power consumer with step according to aforesaid step, automatically processes accordingly various fault and abnormal occurrence:
Data collection and analysis server 3 comprises the real-time voltage of electric power meter, the rated voltage of current data and voltage, current threshold and electric power meter and rated current data according to the data that 2. aforesaid step is called;
Data collection and analysis server 3 according to aforesaid step 3. by the real-time voltage of electric power meter, its corresponding threshold values of current data and rated voltage and the process of rated current data analysis: if certain phase voltage of a certain electric power meter is lower than 60% rated voltage, load current is less than 0.5% rated current simultaneously, and the duration is greater than 1 minute, data collection and analysis server 3 judges this electric power meter generation open phase fault; Then judge that open phase fault is as remedying electricity fault; Then judge that the open phase fault of generation is as disconnected a phase, two-phase or three-phase fault: as being judged to be an only disconnected phase fault, need remedying to copy and seeing that 1/2 electricity number of electricity number is transferred to workstation computer 7 together with fault title and warning message; As being judged to be disconnected phase to phase fault, need remedying to copy and seeing that 2 times of electricity numbers of electricity number are transferred to workstation computer 7 together with fault title and warning message; As being judged to be three-phase disconnected fault entirely, then exporting should by manually remedying information about power by actual conditions is transferred to workstation computer 7 together with fault title and warning message.
Data collection and analysis server 3 comprises the real-time voltage of electric power meter, the rated voltage of current data and voltage, current threshold and electric power meter and rated current data according to the data that 2. aforesaid step is called;
Data collection and analysis server 3 according to aforesaid step 3. by the real-time voltage of electric power meter, its corresponding threshold values of current data and rated voltage and the process of rated current data analysis: if certain phase current of a certain electric power meter is greater than 0.5% rated current, voltage lower than 78% rated voltage, and the duration is greater than 1 minute, data collection and analysis server 3 judges this electric power meter generation no-voltage fault; Then judge that no-voltage fault is as remedying electricity fault; Then judge that the no-voltage fault of generation is as a phase decompression, two-phase decompression or three-phase pressure loss fault: as being judged to be a phase no-voltage fault, need remedying to copy and seeing that 1/2 electricity number of electricity number is transferred to workstation computer 7 together with fault title and warning message; As being judged to be two-phase no-voltage fault, need remedying to copy and seeing that 2 times of electricity numbers of electricity number are transferred to workstation computer 7 together with fault title and warning message; As being judged to be three-phase pressure loss fault, then exporting should by manually remedying information about power by actual conditions is transferred to workstation computer 7 together with fault title and warning message.
Data collection and analysis server 3 comprises the real-time voltage of electric power meter, the rated voltage of current data and voltage, current threshold and electric power meter and rated current data according to the data that 2. aforesaid step is called;
Data collection and analysis server 3 according to aforesaid step 3. by the rated voltage of the voltage of electric power meter, its corresponding threshold values of electric current real time data and electric power meter and the process of rated current data analysis: if the three-phase voltage of a certain electric power meter is all greater than arbitrary phase or two-phase in 60% rated voltage, three-phase current be less than 0.5% rated current and other phase line load currents are greater than 5% rated current, and the duration is greater than 1 minute, data collection and analysis server 3 judges this electric power meter generation defluidization fault; Then judge that defluidization fault is as remedying electricity fault; Then judge that the defluidization fault of generation is as a phase defluidization, two-phase defluidization or three-phase defluidization fault: as being judged to be a phase defluidization fault, need remedying to copy and seeing that 1/2 electricity number of electricity number is transferred to workstation computer 7 together with fault title and warning message; As being judged to be two-phase defluidization fault, need remedying to copy and seeing that 2 times of electricity numbers of electricity number are transferred to workstation computer 7 together with fault title and warning message; As being judged to be three-phase defluidization fault, then exporting should by manually remedying information about power by actual conditions is transferred to workstation computer 7 together with fault title and warning message.
Data collection and analysis server 3 comprises the real-time voltage data of electric power meter and the nominal voltage data of threshold voltage and electric power meter according to the data that 2. aforesaid step is called;
3. its corresponding threshold values of voltage real time data of electric power meter and nominal voltage data are carried out analyzing and processing according to aforesaid step by data collection and analysis server 3: if certain phase voltage of a certain electric power meter is greater than 120% rated voltage, data collection and analysis server 3 judges this electric power meter generation overvoltage fault, and judges that overvoltage fault remedies electricity fault as non-; Output fault title and warning message are transferred to workstation computer 7.
Data collection and analysis server 3 comprises the real-time current data of electric power meter and the rated current data of current threshold and electric power meter according to the data that 2. aforesaid step is called;
Data collection and analysis server 3 according to aforesaid step 3. by its corresponding threshold values of real-time current data of electric power meter and the process of rated current data analysis: if certain phase current of a certain electric power meter is greater than 120% rated current, data collection and analysis server 3 judges this electric power meter generation over current fault, and judges that over current fault remedies electricity fault as non-; Output fault title and warning message are transferred to workstation computer 7.
Data collection and analysis server 3 comprises the real-time voltage data of electric power meter and the nominal voltage data of threshold voltage and electric power meter according to the data that 2. aforesaid step is called;
3. its corresponding threshold values of real-time voltage data of electric power meter and nominal voltage data are carried out analyzing and processing according to aforesaid step by data collection and analysis server 3: if arbitrary phase or two phase voltages exceed ± 30% rated voltage in the three-phase voltage of a certain electric power meter, data collection and analysis server 3 judges this electric power meter generation Voltage unbalance fault, and judges that Voltage unbalance fault remedies electricity fault as non-; Output fault title and warning message are transferred to workstation computer 7.
Data collection and analysis server 3 comprises the real-time current data of electric power meter and the rated current data of current threshold and electric power meter according to the data that 2. aforesaid step is called;
Data collection and analysis server 3 according to aforesaid step 3. by its corresponding threshold values of real-time current data of electric power meter and the process of rated current data analysis: if in the three-phase current of a certain electric power meter, arbitrary phase or biphase current exceed ± 30% rated current, data collection and analysis server 3 judges this electric power meter generation current imbalance fault, and Cutoff current imbalance fault is non-ly remedy electricity fault; Output fault title and warning message are transferred to workstation computer 7.
Data collection and analysis server 3 comprises active energy and the peak/flat/paddy day part active energy of electric power meter according to the data that 2. aforesaid step is called and analyzes decision threshold accordingly;
3. the peak of the active energy of electric power meter and this electric power meter/flat/paddy day part active energy and respective thresholds thereof are carried out analyzing and processing according to aforesaid step by data collection and analysis server 3: if the active energy of a certain electric power meter is electric more than 1 degree with the error of Qi Feng/flat/paddy day part active energy sum, data collection and analysis server 3 judges that meritorious combined error fault occurs this electric power meter, and judges that meritorious combined error fault remedies electricity fault as non-; Output fault title and warning message are transferred to workstation computer 7.
Data collection and analysis server 3 comprises capacity of idle power and the peak/flat/paddy day part capacity of idle power of electric power meter according to the data that 2. aforesaid step is called and analyzes decision threshold accordingly;
3. the peak of the capacity of idle power of electric power meter and this electric power meter/flat/paddy day part capacity of idle power and respective thresholds thereof are carried out analyzing and processing according to aforesaid step by data collection and analysis server 3: if the error of the capacity of idle power of a certain electric power meter and Qi Feng/put down/paddy day part capacity of idle power sum is more than 1 kilovar-hour, data collection and analysis server 3 judges that idle combined error fault occurs this electric power meter, and judges that idle combined error fault remedies electricity fault as non-; Output fault title and warning message are transferred to workstation computer 7.
Data collection and analysis server 3 comprises the power factor of electric power meter according to the data that 2. aforesaid step is called and analyzes decision threshold accordingly;
3. its corresponding for the power factor of electric power meter analysis decision threshold is carried out analyzing and processing according to aforesaid step by data collection and analysis server 3: if arbitrary phase of a certain electric power meter or two-phase monthly average power factor are lower than 0.5, data collection and analysis server 3 judges the too low fault of this electric power meter generation power factor, and judges that the too low fault of power factor (PF) remedies electricity fault as non-; Output fault title and warning message are transferred to workstation computer 7.
Data collection and analysis server 3 comprises the power consumption data of electric power meter according to the data that 2. aforesaid step is called and power consumption reduces extremely, power consumption abnormal growth analyzes decision threshold;
Data collection and analysis server 3 according to aforesaid step 3. by power consumption data in this collection period of electric power meter with last time power consumption data and corresponding decision threshold carry out analyzing and processing: if last time reduces by more than 50% compared with this power consumption of a certain electric power meter, data collection and analysis server 3 judges that this electric power meter power consumption is abnormal to be reduced; If a certain electric power meter this copy and see that power consumption is compared and grew beyond 100% last time, data collection and analysis server 3 judges this electric power meter power consumption abnormal growth; And judge that the abnormal minimizing of power consumption and power consumption abnormal growth fault remedy electricity fault as non-; Data collection and analysis server 3 exports corresponding warning message and is transferred to workstation computer 7.
Data collection and analysis server 3 comprises clock information and the clock threshold values of electric power meter according to the data that 2. aforesaid step is called, and clock threshold values is also standard time clock value;
3. the clock information of electric power meter and clock threshold values are carried out analyzing and processing according to aforesaid step by data collection and analysis server 3: if the clocking error of a certain electric power meter is greater than 5 minutes, data collection and analysis server 3 judges this electric power meter generation clock abnormal failure, and judges that clock abnormal failure remedies electricity fault as non-; Output fault title and warning message are transferred to workstation computer 7.
Data collection and analysis server 3 comprises the programmed events information of electric power meter according to the data that 2. aforesaid step is called;
3. its corresponding threshold values of programmed events information of electric power meter is carried out analyzing and processing according to aforesaid step by data collection and analysis server 3: if the programming number of times of a certain electric power meter is greater than 1 time, data collection and analysis server 3 judges that programming abnormal failure occurs this electric power meter, and judges that programming abnormal failure remedies electricity fault as non-; Output fault title and warning message are transferred to workstation computer 7.
Above embodiment is the explanation to the specific embodiment of the present invention; but not limitation of the present invention; person skilled in the relevant technique without departing from the spirit and scope of the present invention; can also make various conversion and change and obtain corresponding equivalent technical scheme, therefore all equivalent technical schemes all should be included into scope of patent protection of the present invention.
Claims (1)
1. the Watthour meter remote monitoring, diagnosing method that an efficiency is higher, it is characterized in that: adopt Watthour meter remote monitoring diagnosis system to implement, described Watthour meter remote monitoring diagnosis system comprises power information acquisition system (1), the communication server (2), data collection and analysis server (3), database server (4), traffic information services device (5), Web server (6), workstation computer (7) and data bus (8); Described power information acquisition system (1) is the information acquisition system of a kind of power consumption for Real-time Collection power consumer and electric power meter electric parameter and logout; The communication server (2) is a kind of communication-diversion services device; Data collection and analysis server (3) is implanted with the server of data collection software system and analyzing and diagnosing software systems in being; Database server (4) is storage of electrical energy measuring apparatus real time data and the server analyzing decision threshold; The analysis decision threshold of the described electric power meter be stored in database server (4) comprises disconnected phase, decompression, defluidization, overvoltage, overcurrent, Voltage unbalance, current imbalance, ammeter clock is abnormal, abnormal, the idle combined error of abnormal, the meritorious combined error of ammeter programming is abnormal, user stops electricity consumption, power factor is too low, power consumption is abnormal reduces and the analysis decision threshold of power consumption abnormal growth; Traffic information services device (5) is for storing the server of power consumer archive information; Described archive information comprises power consumer application capacity, suspends electricity consumption, the rated current of electric power meter, rated voltage parameter; Web server (6) is implanted with the server of Web application system in being; Workstation computer (7) is for being arranged on providing operation interface and display fault alarm for user and remedying the PC of electricity number information of monitoring center;
Described power information acquisition system (1) is connected with the communication server (2) radio communication; The communication server (2) communicates with data collection and analysis server (3) and is electrically connected; Data collection and analysis server (3), database server (4), traffic information services device (5), Web server (6) and workstation computer (7) are by data bus (8) signal electrical connection each other; Described power information acquisition system (1) comprises special transformer terminals, centralized automatic meter-reading terminal and RS485 intelligent electric energy meter; Centralized automatic meter-reading terminal, specially transformer terminals and RS485 intelligent electric energy meter communicate to connect; Centralized automatic meter-reading terminal and special transformer terminals are communicated to connect by GPRS network and the described communication server (2); The quantity of described special transformer terminals, centralized automatic meter-reading terminal and RS485 intelligent electric energy meter is arranged according to actual needs;
Comprise the following steps:
1. the service data of power information acquisition system (1) Real-time Collection power consumer electric energy meter is transferred to data collection and analysis server (3) through the communication server (2); The information received is transferred to database server (4) through data bus (8) by its data collection software system and stores by data collection and analysis server (3); The service data of described electric energy meter comprise power consumption, voltage, electric current, active energy and at times electricity, peak/flat/paddy day part meritorious/capacity of idle power and information about power, power factor, in real time meritorious/reactive power, active energy, clock information, programmed events information, logout information at times; Wherein divide phase acquisition to the voltage and current of electric energy meter;
2. the electric power meter real time data that stored through data bus (8) calling data storehouse server (4) by its analyzing and diagnosing software systems of data collection and analysis server (3) and analyze the archive information data that decision threshold and traffic information services device (5) store;
The data that data collection and analysis server (3) calls comprise the real-time voltage of electric power meter, the rated voltage of current data and voltage, current threshold and electric power meter and rated current data;
3. data collection and analysis server (3) by its analyzing and diagnosing software systems to the real time data of electric power meter, analyze decision threshold and archive information carries out overall treatment analysis, judge whether each real time data exceedes its corresponding threshold values; If do not exceed threshold values, judge that electric power meter is working properly; If exceed threshold values, first determine whether to need to calculate the fault of remedying electricity: if, then automatically calculate electricity more positive coefficient after calculating the electricity number that need remedy, the electricity number that need remedy is transferred to workstation computer (7) together with fault title and warning message through data bus (8); If not, then fault title and warning message are transferred to workstation computer (7) through data bus (8);
If certain phase voltage of a certain electric power meter is lower than 60% rated voltage, load current is less than 0.5% rated current simultaneously, and the duration is greater than 1 minute, and data collection and analysis server (3) judges this electric power meter generation open phase fault; Then judge that open phase fault is as remedying electricity fault; Then judge that the open phase fault of generation is as disconnected a phase, two-phase or three-phase fault: as being judged to be an only disconnected phase fault, need remedying to copy and seeing that 1/2 electricity number of electricity number is transferred to workstation computer (7) together with fault title and warning message; As being judged to be disconnected phase to phase fault, need remedying to copy and seeing that 2 times of electricity numbers of electricity number are transferred to workstation computer (7) together with fault title and warning message; As being judged to be three-phase disconnected fault entirely, then exporting should by manually remedying information about power by actual conditions is transferred to workstation computer (7) together with fault title and warning message;
If certain phase current of a certain electric power meter is greater than 0.5% rated current, voltage lower than 78% rated voltage, and the duration is greater than 1 minute, and data collection and analysis server (3) judges this electric power meter generation no-voltage fault; Then judge that no-voltage fault is as remedying electricity fault; Then judge that the no-voltage fault of generation is as a phase decompression, two-phase decompression or three-phase pressure loss fault: as being judged to be a phase no-voltage fault, need remedying to copy and seeing that 1/2 electricity number of electricity number is transferred to workstation computer (7) together with fault title and warning message; As being judged to be two-phase no-voltage fault, need remedying to copy and seeing that 2 times of electricity numbers of electricity number are transferred to workstation computer (7) together with fault title and warning message; As being judged to be three-phase pressure loss fault, then exporting should by manually remedying information about power by actual conditions is transferred to workstation computer (7) together with fault title and warning message;
If the three-phase voltage of a certain electric power meter is all greater than arbitrary phase or two-phase in 60% rated voltage, three-phase current and is less than 0.5% rated current and other phase line load currents are greater than 5% rated current, and the duration is greater than 1 minute, data collection and analysis server judges this electric power meter generation defluidization fault; Then judge that defluidization fault is as remedying electricity fault; Then judge that the defluidization fault of generation is as a phase defluidization, two-phase defluidization or three-phase defluidization fault: as being judged to be a phase defluidization fault, need remedying to copy and seeing that 1/2 electricity number of electricity number is transferred to workstation computer together with fault title and warning message; As being judged to be two-phase defluidization fault, need remedying to copy and seeing that 2 times of electricity numbers of electricity number are transferred to workstation computer together with fault title and warning message; As being judged to be three-phase defluidization fault, then exporting should by manually remedying information about power by actual conditions is transferred to workstation computer together with fault title and warning message;
If certain phase voltage of a certain electric power meter is greater than 120% rated voltage, data collection and analysis server judges this electric power meter generation overvoltage fault, and judges that overvoltage fault remedies electricity fault as non-; Output fault title and warning message are transferred to workstation computer;
If certain phase current of a certain electric power meter is greater than 120% rated current, data collection and analysis server judges this electric power meter generation over current fault, and judges that over current fault remedies electricity fault as non-; Output fault title and warning message are transferred to workstation computer.
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Address after: 213003 No. 27, West Front Street, Changzhou, Jiangsu Applicant after: State Grid Jiangsu Electric Power Company, Changzhou Power Supply Company Applicant after: STATE GRID JIANGSU ELECTRIC POWER COMPANY Applicant after: State Grid Corporation of China Address before: 213003 Jiangsu province Changzhou City Tianning District Bureau Street No. 27 Applicant before: Changzhou Power Supply Co, Jiangsu Provincial Power Corp. Applicant before: Jiangsu Electric Power Company Applicant before: State Grid Corporation of China |
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Application publication date: 20150513 |