CN104793167A - Automatic tracking and analyzing method and automatic tracking and analyzing system for metering automation terminal - Google Patents
Automatic tracking and analyzing method and automatic tracking and analyzing system for metering automation terminal Download PDFInfo
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Abstract
Disclosed are an automatic tracking and analyzing method and an automatic tracking and analyzing system for a metering automation terminal. The automatic tracking and analyzing method includes acquiring real-time load of an installed unloaded electric energy meter by a metering automation system by establishing a configuration relation base about logical connection between the metering automation terminal and the electric energy meter and establishing an installed unloaded electric energy meter base; judging whether the electric energy meter meets starting conditions and is capable of achieving continuous stable loaded operation or not based on comparison between the real-time load and preset load threshold values; if yes, sending prompt information to management responsibility nodes of the metering automation terminal, analyzing whether abrupt change effect is had on the electric energy meter related to the metering automation terminal or not, and checking whether numbers of the electric energy meter move reversely or not; determining relevant data according to instantaneous data of the electric energy meter and checking whether all phases of voltages and currents of the electric energy meter are balanced or not and whether power collection, electric energy collection, time period setting and secondary wiring are correct or not. By the aid of the automatic tracking and analyzing method for the metering automation terminal, operating conditions of the metering automation terminal can be tracked and analyzed automatically, so that abnormal condition checking efficiency is improved effectively.
Description
Technical field
The present invention relates to Electric Energy Metering Technology field, particularly relate to the automatic trace analysis method and system of a kind of metering automation terminal.
Background technology
The metering automation terminal of transformer station puts into operation along with the operation of transformer station simultaneously, but its with electric energy meter normally transformer station go into operation before unified installation and acceptance, but after transformer station goes into operation, not all electric energy meter all immediately on-load puts into operation, therefore, putting into operation of these 10kV feeder lines may cause the relevant grid nodes Power unbalance rate of metering automation system-computed to undergo mutation.Because metering automation system cloud gray model personnel are difficult to the situation that puts into operation grasping 10kV feeder line in time, be difficult to carry out accurate analysis rapidly to consequent problem.Therefore, by setting up the automatic tracing analysis system of metering automation terminal, and realize following the tracks of the 10kV feeder line not having on-load to put into operation, once find that 10kV feeder line on-load puts into operation, by the data acquisition of metering automation terminal, analyze in time, and metering automation system cloud gray model personnel and field maintenance person are reminded, can be convenient to system cloud gray model personnel and grasp associated change situation in time, simultaneously field maintenance person also can arrive scene in time and carries out electric energy meter on-load inspection work.
Inventor finds that in prior art, there are the following problems: at present to transformer station 10kV feeder line whether on-load put into operation follow the tracks of time, metrological personnel is needed to be undertaken by the mode of hand inspection, and transformer station's quantity is many, the 10kV feeder line quantity of Mei Zuo substation band often reaches tens of, dependence manually goes to go to check tracking electric energy meter by seat transformer station, one by one feeder line, and whether on-load puts into operation, waste time and energy, efficiency is not high.On the other hand, if corresponding electric energy meter runs abnormal after the load carrying of 10kV feeder line, the relevant grid nodes Power unbalance rate of metering automation system-computed then can be caused to undergo mutation, if but metrological personnel is before carrying out case study, do not grasp the situation of change of metering automation terminal operating load, namely its load variations situation of the 10kV feeder line with electric energy meter and correspondence, then affect the investigation efficiency of ASSOCIATE STATISTICS exception.
Summary of the invention
Based on above-mentioned situation, the present invention proposes the automatic trace analysis method and system of a kind of metering automation terminal, the electric energy meter do not put into operation when can go into operation to transformer station carry out on-load from motion tracking, alleviate metrological personnel burden, increase work efficiency, ruuning situation after electric energy meter on-load is detected automatically simultaneously, the automatic analysis to metering automation terminal operating load can be realized, abnormal conditions can be investigated timely and effectively.
To achieve these goals, the embodiment of technical solution of the present invention is:
A kind of automatic trace analysis method of metering automation terminal, comprises the following steps:
Obtain the electric energy meter storehouse set up from metering automation system and installed but the Real-time Load of the electric energy meter of non-on-load, described electric energy meter library storage has been installed but the information of the electric energy meter of non-on-load, described information comprise the transformer station's title belonging to described electric energy meter, described electric energy meter interval numbers and correspond to management responsibility node belonging to metering automation terminal corresponding to described electric energy meter;
Described Real-time Load and default load threshold value are compared, judges whether described electric energy meter meets load carrying entry condition according to comparative result;
If meet, judge that whether described Real-time Load is continual and steady;
If continual and steady, according to metering automation terminal from the described information of described electric energy meter library storage to correspondence belonging to management responsibility node send described metering automation terminal and increase the information that electric energy meter on-load puts into operation newly, and analyze described electric energy meter whether normal operation, analyze described metering automation terminal whether normal operation;
The mode of described analysis electric energy meter whether normal operation comprises: the electric flux according to the load carrying adjacent read period of described electric energy meter obtained judges whether described electric energy meter code drives in the wrong direction, the balance of voltage degree of described electric energy meter is determined according to the transient data of the described electric energy meter gathered, current balance type degree, each phase power sum, all kinds of period electric energy sum, power factor, and according to the balance of voltage degree of described electric energy meter, current balance type degree, each phase power sum, all kinds of period electric energy sum, whether power factor checks each phase voltage of described electric energy meter to balance respectively, whether each phase current balances, whether power collecting is correct, whether electric energy acquisition and period arrange correct, whether secondary connection is correct, described transient data comprises each phase current of described electric energy meter, voltage, general power, total electric energy, power factor,
The described mode analyzing metering automatization terminal whether normal operation comprises: according to the electric energy meter input/output relation storehouse based on grid nodes, the image data of the relevant electric energy meter of the corresponding grid nodes of this electric energy meter is obtained from metering automation system, and the Power unbalance rate of corresponding grid nodes is calculated according to described image data, whether sudden change impact is produced on electricity statistics after judging described electric energy meter on-load according to described Power unbalance rate.
The automatic tracing analysis system of a kind of metering automation terminal, comprising:
Real-time Load acquisition module, for having installed but the Real-time Load of the electric energy meter of non-on-load in the electric energy meter storehouse from metering automation system acquisition foundation, described electric energy meter library storage has been installed but the information of the electric energy meter of non-on-load, described information comprise the transformer station's title belonging to described electric energy meter, described electric energy meter interval numbers and correspond to described electric energy meter metering automation terminal belonging to management responsibility node;
According to comparative result, entry condition judge module, for described Real-time Load and default load threshold value being compared, judges whether described electric energy meter meets load carrying entry condition;
Continual and steady operation judge module, for when the result of determination of described entry condition judge module is for being, judges that whether described Real-time Load is continual and steady;
Reminding module, for when the result of determination of described continual and steady operation judge module is for being, according to metering automation terminal from the described information of described electric energy meter library storage to correspondence belonging to management responsibility node send described metering automation terminal and increase the information that electric energy meter on-load puts into operation newly;
Electric energy meter analysis module, for analyzing described electric energy meter whether normal operation;
Metering automation terminal analysis module, for the electric energy meter input/output relation storehouse of basis based on grid nodes, the image data of the relevant electric energy meter of the corresponding grid nodes of this electric energy meter is obtained from metering automation system, and the Power unbalance rate of corresponding grid nodes is calculated according to described image data, whether sudden change impact is produced on electricity statistics after judging described electric energy meter on-load according to described Power unbalance rate;
Described electric energy meter analysis module comprises:
Table code drives in the wrong direction inspection module, for judging whether described electric energy meter code drives in the wrong direction according to the electric flux of the load carrying adjacent read period of described electric energy meter obtained;
Comprehensive test module, for determining the balance of voltage degree of described electric energy meter according to the transient data of the described electric energy meter gathered, current balance type degree, each phase power sum, all kinds of period electric energy sum, power factor, and according to the balance of voltage degree of described electric energy meter, current balance type degree, each phase power sum, all kinds of period electric energy sum, whether power factor checks each phase voltage of described electric energy meter to balance respectively, whether each phase current balances, whether power collecting is correct, whether electric energy acquisition and period arrange correct, whether secondary connection is correct, described transient data comprises each phase current of described electric energy meter, voltage, general power, total electric energy, power factor.
Compared with prior art, beneficial effect of the present invention is: the automatic trace analysis method and system of metering automation terminal of the present invention, the electric energy meter of the metering automation terminal association do not put into operation when can go into operation to transformer station carry out on-load from motion tracking, alleviate metrological personnel burden, increase work efficiency, and can realize to metering automation terminal operating operating mode from motion tracking and analysis, make metering operation maintenance personnel grasp the operating condition of metering automation terminal fast, effectively improve the efficiency of investigation abnormal conditions.
Accompanying drawing explanation
Fig. 1 measures the automatic trace analysis method flow diagram of automatization terminal in an embodiment;
Fig. 2 is for measuring the automatic trace analysis method flow diagram of automatization terminal based in the concrete example of method one shown in Fig. 1;
Fig. 3 measures the automatic tracing analysis system structural representation of automatization terminal in an embodiment;
Fig. 4 is comprehensive test modular structure schematic diagram in an embodiment.
Embodiment
For making object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is described in further detail.Should be appreciated that embodiment described herein only in order to explain the present invention, do not limit protection scope of the present invention.
Measure the automatic trace analysis method of automatization terminal in an embodiment, as shown in Figure 1, comprise the following steps:
Step S101: obtain the electric energy meter storehouse set up from metering automation system and installed but the Real-time Load of the electric energy meter of non-on-load, described electric energy meter library storage has been installed but the information of the electric energy meter of non-on-load, described information comprise the transformer station's title belonging to described electric energy meter, described electric energy meter interval numbers and correspond to described electric energy meter metering automation terminal belonging to management responsibility node;
According to comparative result, step S102: described Real-time Load and default load threshold value are compared, judges whether described electric energy meter meets load carrying entry condition, if meet, then enter step S103;
Step S103: judge that whether described Real-time Load is continual and steady, if continual and steady, then enter step S104 carry out information prompting and analyze further electric energy meter whether normal operation, analyze metering automatization terminal whether normal operation, the process analyzing metering automatization terminal whether normal operation can comprise the steps S105, and the process analyzing electric energy meter whether normal operation can comprise the steps S106, S107;
Step S104: according to metering automation terminal from the described information of described electric energy meter library storage to correspondence belonging to management responsibility node send described metering automation terminal and increase the information that electric energy meter on-load puts into operation newly; Wherein, here the information that electric energy meter on-load puts into operation can include two parts implication: one is that the feeder line of original non-on-load has load, thus corresponding electric energy meter load carrying, the two electric energy meter numbers of load that have associated by the metering automation terminal of correspondence increase;
Step S105: according to the electric energy meter input/output relation storehouse based on grid nodes, the image data of the relevant electric energy meter of the corresponding grid nodes of this electric energy meter is obtained from metering automation system, and the Power unbalance rate of corresponding grid nodes is calculated according to described image data, whether sudden change impact is produced on electricity statistics after judging described electric energy meter on-load according to described Power unbalance rate;
Step S106: the electric flux according to the load carrying adjacent read period of described electric energy meter obtained judges whether described electric energy meter code drives in the wrong direction;
Step S107: the balance of voltage degree determining described electric energy meter according to the transient data of the described electric energy meter gathered, current balance type degree, each phase power sum, all kinds of period electric energy sum, power factor, and according to the balance of voltage degree of described electric energy meter, current balance type degree, each phase power sum, all kinds of period electric energy sum, whether power factor checks each phase voltage of described electric energy meter to balance respectively, whether each phase current balances, whether power collecting is correct, whether electric energy acquisition and period arrange correct, whether secondary connection is correct, described transient data comprises each phase current of described electric energy meter, voltage, general power, total electric energy, power factor.
Known from the above description, the automatic trace analysis method of metering automation terminal of the present invention, the electric energy meter do not put into operation when can go into operation to metering automation terminal carry out on-load from motion tracking, alleviate metrological personnel burden, increase work efficiency, and the automatic analysis that can realize metering automation terminal operating operating mode, make metering operation maintenance personnel grasp the operating condition of metering automation terminal fast, abnormal conditions can be investigated timely and effectively.
Wherein, when judging whether described electric energy meter meets load carrying entry condition, following manner can be adopted to carry out: when the Real-time Load of described electric energy meter is greater than described default load threshold value, then judge that described electric energy meter meets load carrying entry condition, with realistic application, ensure that subsequent treatment is normally run.
In addition, in a concrete example, when judging that whether the Real-time Load of described electric energy meter is continual and steady, following manner can be adopted to carry out: when the continuous m of a described electric energy meter read period all meets electric energy meter load carrying entry condition, illustrate that electric energy meter is that on-load runs continually and steadily, thus judge that described Real-time Load is continual and steady.Electric energy meter continuously several read periods can both meet electric energy meter load carrying entry condition, and illustrate that electric energy meter load carrying continues and stablizes, this decision procedure is not only simple but also accurate.
In addition, in a concrete example, when checking electric energy meter code whether to drive in the wrong direction, following manner can be adopted to carry out:
The electric flux of load carrying (n+1)th read period of described electric energy meter obtained is deducted the electric flux of load carrying n-th read period of described electric energy meter, when result of calculation is negative value, then described electric energy meter code drives in the wrong direction.Under normal circumstances, because electric energy meter runs continually and steadily, the reading of electric energy meter can increase along with the increase of read period, therefore, time posterior numerical value deducts time preceding numerical value, should be under normal circumstances on the occasion of, if negative value, the latter is less than the former in other words, then illustrate that electric energy meter code drives in the wrong direction.
In addition, check whether each phase voltage of described electric energy meter balances, whether each phase current balances, whether power collecting correct in the balance of voltage degree according to described electric energy meter, current balance type degree, each phase power sum, all kinds of period electric energy sum, power factor, electric energy acquisition and period arrange whether correct, secondary connection whether correct time, following manner can be adopted respectively to carry out:
When the balance of voltage degree of described electric energy meter is greater than the balance of voltage degree threshold value of setting, judge that each phase voltage of described electric energy meter is uneven;
When the current balance type degree of described electric energy meter is greater than the current balance type degree threshold value of setting, judge that each phase current of described electric energy meter is uneven;
When each phase power sum of described electric energy meter conforms to the general power in described transient data, judge that the power collecting of described electric energy meter is correct;
When all kinds of period electric energy sums of described electric energy meter conform to the total electric energy in described transient data, judge that the electric energy acquisition of described electric energy meter and period arrange correctly;
When the power factor of described electric energy meter conforms to the power factor in described transient data, judge that the secondary connection of described electric energy meter is correct;
According to transient data determination electrical energy meter electricity pressure balanced degree, current balance type degree, each phase power sum, all kinds of period electric energy sum, the power factor of the electric energy meter gathered, and the electric energy meter information determined and the threshold value of setting and the transient data of known electric energy meter are compared, automatic gauging goes out the ruuning situation of electric energy meter on-load, the operating condition of metering automation terminal metering operation maintenance personnel being grasped fast associate with electric energy meter, effectively improves the efficiency of investigation abnormal conditions.
In order to understand this method better, below elaborate a metering automation terminal of the present invention automatic trace analysis method application example.
As shown in Figure 2, this application example can comprise the following steps:
Step S201: the configuration relation storehouse setting up metering automation terminal and electric energy meter;
Step S202: set up the electric energy meter input/output relation storehouse based on grid nodes;
Step S203: set up electric energy meter storehouse, this electric energy meter library storage has been installed but the information of electric energy meter corresponding to the 10kV feeder line of non-on-load, management responsibility node etc. belonging to the metering automation terminal that this information comprises transformer station's title, interval numbers and correspondence belonging to described electric energy meter;
Step S204: obtain above-mentioned electric energy meter storehouse from metering automation system and installed but the Real-time Load of the electric energy meter of non-on-load, this Real-time Load comprises real-time current and realtime power, namely to have installed in some cycles reading power meters storehouse but the real-time current of electric energy meter of non-on-load and the numerical value of realtime power;
Step S205: the Real-time Load of the electric energy meter of above-mentioned acquisition and default load threshold value are compared, this default load threshold value can comprise current threshold and power threshold, when the Real-time Load of the electric energy meter obtained is greater than above-mentioned default load threshold value, then judge that this electric energy meter meets load carrying entry condition, enter step S206, if do not meet, then return step S204 and again obtain Real-time Load;
Step S206: judge whether this electric energy meter all meets electric energy meter load carrying entry condition in several read periods continuous, if all satisfied, then judge that this electric energy meter on-load runs continually and steadily, enter step S207, if all do not meet, then return step S204 and again obtain real time data;
Step S207: management responsibility nodal information belonging to the metering automation terminal of above-mentioned electric energy meter library storage, sends metering automation terminal to management responsibility node belonging to metering automation terminal and increases the load carrying information of electric energy meter newly; Wherein, information here can include two parts implication: one is that the feeder line of original non-on-load has load, thus corresponding electric energy meter load carrying, and the two electric energy meter numbers of load that have associated by the metering automation terminal of correspondence increase;
Step S208: the electric flux obtaining the load carrying adjacent read period of electric energy meter, the electric flux of load carrying for the electric energy meter of acquisition the (n+1)th read period is deducted the electric flux of load carrying n-th read period of electric energy meter, when result of calculation is negative value, judge that electric energy meter code drives in the wrong direction, otherwise, judge that electric energy meter code does not drive in the wrong direction;
Step S209: the grid nodes electric energy meter input/output relation related to according to this electric energy meter obtains the electricity of the electric energy meter that this metering automation terminal connects, calculate relevant Power unbalance rate whether in setting range, to determine whether the electricity of the electric energy meter of new on-load produces sudden change impact to electricity statistics;
Step S210: send to start by metering automation system and gather the transient data of electric energy meter with copying order, this transient data total comprises each phase current of electric energy meter, voltage, general power, electric energy, power factor, immediately electric energy, active power, reactive power etc.;
Step S211: judge to judge that whether electric energy meter communicates with measuring terminal normal, if normally, then enters subsequent step with copying according to transient data reception condition;
Step S212: according to balance of voltage degree, current balance type degree, each phase power sum, all kinds of period electric energy sum, the power factor of the transient data determination electric energy meter of the electric energy meter of above-mentioned collection, when the balance of voltage degree of electric energy meter is greater than the balance of voltage degree threshold value of setting, judge that each phase voltage of electric energy meter is uneven; When the current balance type degree of electric energy meter is greater than the current balance type degree threshold value of setting, judge that each phase current of electric energy meter is uneven; When each phase power sum of electric energy meter conforms to the general power in transient data, judge that the power collecting of electric energy meter is correct; When all kinds of period electric energy sums of electric energy meter conform to the total electric energy in transient data, judge that the electric energy acquisition of electric energy meter and period arrange correctly; When the power factor of electric energy meter conforms to the power factor in transient data, judge that the secondary connection of electric energy meter is correct;
Step S213: after the automatic trace analysis of the above-mentioned metering automation terminal of execution, generate the analysis report that metering automation terminal changes with corresponding electric energy meter operational relation state.Wherein, metering automation terminal operating load changes and can embody both ways, one has load for the feeder line of original non-on-load, thus corresponding electric energy meter load carrying, and the two electric energy meter numbers of load that have associated by the metering automation terminal of correspondence increase.Therefore, the information of analysis report generated can comprise two parts content: one is that the feeder line of original non-on-load has load and causes the load carrying information of corresponding electric energy meter, two information having the electric energy meter number of load to increase associated by the metering automation terminal of correspondence.
The automatic trace analysis method of metering automation terminal based on the embodiment of the present invention, the electric energy meter do not put into operation when can go into operation to transformer station carry out on-load from motion tracking, alleviate metrological personnel burden, increase work efficiency; The electric energy meter of the metering automation terminal association do not put into operation when going into operation to transformer station carries out the automatic gauging of the operating condition after on-load, and carry out pointing out and survey report being provided, make metering operation maintenance personnel grasp the operating condition of metering automation terminal fast, effectively improve the efficiency of investigation abnormal conditions.
According to the thought identical with said method, the embodiment of the present invention also provides a kind of metering automation terminal automatic tracing analysis system.
The structural representation of embodiment of the present invention system has been shown in Fig. 3, and as shown in Figure 3, the system in the present embodiment comprises:
Real-time Load acquisition module 301, for having installed but the Real-time Load of the electric energy meter of non-on-load in the electric energy meter storehouse from metering automation system acquisition foundation, described electric energy meter library storage has been installed but the information of the electric energy meter of non-on-load, described information comprise the transformer station's title belonging to described electric energy meter, described electric energy meter interval numbers and correspond to described electric energy meter metering automation terminal belonging to management responsibility node;
According to comparative result, entry condition judge module 302, for described Real-time Load and default load threshold value being compared, judges whether described electric energy meter meets load carrying entry condition;
Continual and steady operation judge module 303, for when the result of determination of described entry condition judge module 302 is for being, judges that whether described Real-time Load is continual and steady;
Reminding module 304, for when the result of determination of described continual and steady operation judge module 303 is for being, according to metering automation terminal from the described information of described electric energy meter library storage to correspondence belonging to management responsibility node send described metering automation terminal and increase the load carrying information of electric energy meter newly;
Electric energy meter analysis module 305, for analyzing described electric energy meter whether normal operation;
Metering automation terminal analysis module 306, for the electric energy meter input/output relation storehouse of basis based on grid nodes, the image data of the relevant electric energy meter of the corresponding grid nodes of this electric energy meter is obtained from metering automation system, and the Power unbalance rate of corresponding grid nodes is calculated according to described image data, whether sudden change impact is produced on electricity statistics after judging described electric energy meter on-load according to described Power unbalance rate.
As shown in Figure 3, this electric energy meter analysis module 305 can comprise:
Table code drives in the wrong direction inspection module 3051, for judging whether described electric energy meter code drives in the wrong direction according to the electric flux of the load carrying adjacent read period of described electric energy meter obtained;
Comprehensive test module 3052, for determining the balance of voltage degree of described electric energy meter according to the transient data of the described electric energy meter gathered, current balance type degree, each phase power sum, all kinds of period electric energy sum, power factor, and according to the balance of voltage degree of described electric energy meter, current balance type degree, each phase power sum, all kinds of period electric energy sum, whether power factor checks each phase voltage of described electric energy meter to balance respectively, whether each phase current balances, whether power collecting is correct, whether electric energy acquisition and period arrange correct, whether secondary connection is correct, described transient data comprises each phase current of described electric energy meter, voltage, general power, total electric energy, power factor.
As shown in Figure 3, in a concrete example, the system in the present embodiment can also include:
Analysis report generation module 307, for the analysis result according to described electric energy meter analysis module 305, the analysis result of metering automation terminal analysis module 306 and the configuration relation storehouse of metering automation terminal and electric energy meter, generate the analysis report that metering automation terminal changes with corresponding electric energy meter operational relation state.Wherein, metering automation terminal operating load changes and can embody both ways, one has load for the feeder line of original non-on-load, thus corresponding electric energy meter load carrying, and two be that the metering automation terminal of correspondence is connected has the electric energy meter number of load to increase.Therefore, the information of analysis report generated can comprise two parts content: one is that the feeder line of original non-on-load has load and causes the load carrying information of corresponding electric energy meter, two information having the electric energy meter number of load to increase associated by the metering automation terminal of correspondence.
Based on the system of the present embodiment shown in Fig. 3, a concrete course of work can be as described below:
First Real-time Load acquisition module 301 obtains the electric energy meter storehouse set up from metering automation system and has installed but the Real-time Load of the electric energy meter of the 10kV feeder line of non-on-load, this Real-time Load and default load threshold value compare by entry condition judge module 302, judge whether electric energy meter meets load carrying entry condition according to comparative result; If meet, the continual and steady judge module 303 that runs judges whether on-load runs electric energy meter continually and steadily; If electric energy meter on-load runs continually and steadily, reminding module 304 sends metering automation terminal according to the information of above-mentioned electric energy meter library storage to management responsibility node belonging to metering automation terminal and increases the load carrying information of electric energy meter newly; Metering automation terminal analysis module 306 obtains the image data of the relevant electric energy meter of the corresponding grid nodes of this electric energy meter from metering automation system, judge whether produce sudden change impact to electricity statistics after described electric energy meter on-load, whether the table code inspection module 3051 that drives in the wrong direction drives in the wrong direction according to the electric flux inspection electric energy meter code of the load carrying adjacent read period of electric energy meter obtained; Comprehensive test module 3052 according to balance of voltage degree, current balance type degree, each phase power sum, all kinds of period electric energy sum, the power factor of transient data determination electric energy meter of the electric energy meter gathered, and according to the balance of voltage degree of electric energy meter, current balance type degree, each phase power sum, all kinds of period electric energy sum, power factor inspection electric energy meter whether each phase voltage balances, whether each phase current balances, whether power collecting correct, electric energy acquisition and period arrange whether correct, whether secondary connection correct.
Known from the above description, the automatic tracing analysis system of metering automation terminal of the present invention, realize the automatic follow-up inspection to electric energy meter on-load, structure is simple, cost is low, realistic application.
Wherein, above-mentioned entry condition judge module 302 can be when the Real-time Load of electric energy meter is greater than described default load threshold value, judges that described electric energy meter meets load carrying entry condition, with realistic application, ensures that subsequent treatment is normally run.
In addition, in a concrete example, above-mentioned continual and steady operation judge module 303 can be when the continuous m of a described electric energy meter read period all meets electric energy meter load carrying entry condition, judges that described electric energy meter on-load runs continually and steadily.Electric energy meter continuously several read periods can both meet electric energy meter load carrying entry condition, and illustrate that electric energy meter load carrying continues and stablizes, this decision procedure is not only simple but also accurate.
Wherein in a concrete example, the above-mentioned table code inspection module 3051 that drives in the wrong direction can be when the result of calculation that the electric flux of load carrying (n+1)th read period of described electric energy meter obtained deducts the electric flux of load carrying n-th read period of described electric energy meter is negative value, judge that described electric energy meter code drives in the wrong direction, otherwise judge that electric energy meter code does not drive in the wrong direction.Under normal circumstances, because electric energy meter runs continually and steadily, the reading of electric energy meter can increase along with the increase of read period, therefore, time posterior numerical value deducts time preceding numerical value, should be under normal circumstances on the occasion of, if negative value, the latter is less than the former in other words, then illustrate that electric energy meter code drives in the wrong direction.
The structural representation of the comprehensive test module 3052 in a concrete example has been shown in Fig. 4.As shown in Figure 4, in this example, this comprehensive test module 3052 can comprise:
Balance of voltage verification unit 30521, during for being greater than the balance of voltage degree threshold value of setting at the balance of voltage degree of described electric energy meter, judges that each phase voltage of described electric energy meter is uneven;
Current balance type verification unit 30522, during for being greater than the current balance type degree threshold value of setting at the current balance type degree of described electric energy meter, judges that each phase current of described electric energy meter is uneven;
Power collecting verification unit 30523, for when conforming to the general power in described transient data when each phase power sum of described electric energy meter, judges that the power collecting of described electric energy meter is correct;
Electric energy acquisition and period arrange verification unit 30524, for when all kinds of period electric energy sums of described electric energy meter conform to the total electric energy in described transient data, judge that the electric energy acquisition of described electric energy meter and period arrange correctly;
Secondary connection verification unit 30525, for when the power factor of described electric energy meter conforms to the power factor in described transient data, judges that the secondary connection of described electric energy meter is correct;
According to transient data determination electrical energy meter electricity pressure balanced degree, current balance type degree, each phase power sum, all kinds of period electric energy sum, the power factor of the electric energy meter gathered, and the electric energy meter information determined and the threshold value of setting and the transient data of known electric energy meter are compared, automatic gauging goes out the ruuning situation of electric energy meter on-load, make metering operation maintenance personnel grasp the operating condition of electric energy meter fast, effectively improve the efficiency of investigation abnormal conditions.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. the automatic trace analysis method of metering automation terminal, is characterized in that, comprise the following steps:
Obtain the electric energy meter storehouse set up from metering automation system and installed but the Real-time Load of the electric energy meter of non-on-load, described electric energy meter library storage has been installed but the information of the electric energy meter of non-on-load, described information comprise the transformer station's title belonging to described electric energy meter, described electric energy meter interval numbers and correspond to described electric energy meter metering automation terminal belonging to management responsibility node;
Described Real-time Load and default load threshold value are compared, judges whether described electric energy meter meets load carrying entry condition according to comparative result;
If meet, judge that whether described Real-time Load is continual and steady;
If continual and steady, according to metering automation terminal from the described information of described electric energy meter library storage to correspondence belonging to management responsibility node send described metering automation terminal and increase the information that electric energy meter on-load puts into operation newly, and analyze described electric energy meter whether normal operation, analyze described metering automation terminal whether normal operation;
The mode of described analysis electric energy meter whether normal operation comprises: the electric flux according to the load carrying adjacent read period of described electric energy meter obtained judges whether described electric energy meter code drives in the wrong direction, the balance of voltage degree of described electric energy meter is determined according to the transient data of the described electric energy meter gathered, current balance type degree, each phase power sum, all kinds of period electric energy sum, power factor, and according to the balance of voltage degree of described electric energy meter, current balance type degree, each phase power sum, all kinds of period electric energy sum, whether power factor checks each phase voltage of described electric energy meter to balance respectively, whether each phase current balances, whether power collecting is correct, whether electric energy acquisition and period arrange correct, whether secondary connection is correct, described transient data comprises each phase current of described electric energy meter, voltage, general power, total electric energy, power factor,
The described mode analyzing metering automatization terminal whether normal operation comprises: according to the electric energy meter input/output relation storehouse based on grid nodes, the image data of the relevant electric energy meter of the corresponding grid nodes of this electric energy meter is obtained from metering automation system, and the Power unbalance rate of corresponding grid nodes is calculated according to described image data, whether sudden change impact is produced on electricity statistics after judging described electric energy meter on-load according to described Power unbalance rate.
2. the automatic trace analysis method of metering automation terminal according to claim 1, is characterized in that, also comprise step:
According to the configuration relation storehouse of the described analysis electric energy meter whether analysis result of normal operation, described analysis metering automatization terminal whether normal operation and metering automation terminal and electric energy meter,
Generate the analysis report that metering automation terminal changes with corresponding electric energy meter operational relation state, the information in described analysis report comprises: originally the feeder line of non-on-load has load and causes the load carrying information of corresponding electric energy meter, the corresponding information having the electric energy meter number of load to increase associated by metering automation terminal.
3. the automatic trace analysis method of metering automation terminal according to claim 1, is characterized in that, when the continuous m of a described electric energy meter read period all meets electric energy meter load carrying entry condition, judges that described Real-time Load is continual and steady.
4. the automatic trace analysis method of metering automation terminal according to any one of claim 1 to 3, it is characterized in that, the electric flux according to the load carrying adjacent read period of described electric energy meter obtained judges that the mode whether described electric energy meter code drives in the wrong direction comprises:
The electric flux of load carrying (n+1)th read period of described electric energy meter obtained is deducted the electric flux of load carrying n-th read period of described electric energy meter, when result of calculation is negative value, judge that described electric energy meter code drives in the wrong direction.
5. the automatic trace analysis method of the metering automation terminal according to claims 1 to 3, is characterized in that, comprise following every in any one or combination in any:
When the Real-time Load of described electric energy meter is greater than described default load threshold value, judge that described electric energy meter meets load carrying entry condition;
When the balance of voltage degree of described electric energy meter is greater than the balance of voltage degree threshold value of setting, judge that each phase voltage of described electric energy meter is uneven;
When the current balance type degree of described electric energy meter is greater than the current balance type degree threshold value of setting, judge that each phase current of described electric energy meter is uneven;
When each phase power sum of described electric energy meter conforms to the general power in described transient data, judge that the power collecting of described electric energy meter is correct;
When all kinds of period electric energy sums of described electric energy meter conform to the total electric energy in described transient data, judge that the electric energy acquisition of described electric energy meter and period arrange correctly;
When the power factor of described electric energy meter conforms to the power factor in described transient data, judge that the secondary connection of described electric energy meter is correct.
6. the automatic tracing analysis system of metering automation terminal, is characterized in that, comprising:
Real-time Load acquisition module, for having installed but the Real-time Load of the electric energy meter of non-on-load in the electric energy meter storehouse from metering automation system acquisition foundation, described electric energy meter library storage has been installed but the information of the electric energy meter of non-on-load, described information comprise the transformer station's title belonging to described electric energy meter, described electric energy meter interval numbers and correspond to described electric energy meter metering automation terminal belonging to management responsibility node;
According to comparative result, entry condition judge module, for described Real-time Load and default load threshold value being compared, judges whether described electric energy meter meets load carrying entry condition;
Continual and steady operation judge module, for when the result of determination of described entry condition judge module is for being, judges that whether described Real-time Load is continual and steady;
Reminding module, for when the result of determination of described continual and steady operation judge module is for being, according to metering automation terminal from the described information of described electric energy meter library storage to described correspondence belonging to management responsibility node send described metering automation terminal and increase the information that electric energy meter on-load puts into operation newly;
Electric energy meter analysis module, for analyzing described electric energy meter whether normal operation;
Metering automation terminal analysis module, for the electric energy meter input/output relation storehouse of basis based on grid nodes, the image data of the relevant electric energy meter of the corresponding grid nodes of this electric energy meter is obtained from metering automation system, and the Power unbalance rate of corresponding grid nodes is calculated according to described image data, whether sudden change impact is produced on electricity statistics after judging described electric energy meter on-load according to described Power unbalance rate;
Described electric energy meter analysis module comprises:
Table code drives in the wrong direction inspection module, for judging whether described electric energy meter code drives in the wrong direction according to the electric flux of the load carrying adjacent read period of described electric energy meter obtained;
Comprehensive test module, for determining the balance of voltage degree of described electric energy meter according to the transient data of the described electric energy meter gathered, current balance type degree, each phase power sum, all kinds of period electric energy sum, power factor, and according to the balance of voltage degree of described electric energy meter, current balance type degree, each phase power sum, all kinds of period electric energy sum, whether power factor checks each phase voltage of described electric energy meter to balance respectively, whether each phase current balances, whether power collecting is correct, whether electric energy acquisition and period arrange correct, whether secondary connection is correct, described transient data comprises each phase current of described electric energy meter, voltage, general power, total electric energy, power factor.
7. the automatic tracing analysis system of metering automation terminal according to claim 6, is characterized in that, also comprise:
Analysis report generation module, for the analysis result according to described electric energy meter analysis module, the described analysis result of metering automation terminal analysis module and the configuration relation storehouse of metering automation terminal and electric energy meter, generate the analysis report that metering automation terminal changes with corresponding electric energy meter operational relation state, the information in described analysis report comprises: originally the feeder line of non-on-load has load and causes the load carrying information of corresponding electric energy meter, the corresponding connected information having the electric energy meter number of load to increase of metering automation terminal.
8. the automatic tracing analysis system of metering automation terminal according to claim 6, it is characterized in that, described continual and steady operation judge module, when the continuous m of a described electric energy meter read period all meets electric energy meter load carrying entry condition, judges that described electric energy meter on-load runs continually and steadily.
9. the automatic tracing analysis system of metering automation terminal according to any one of claim 6 to 8, it is characterized in that, described table code drives in the wrong direction inspection module when the result of calculation that the electric flux of load carrying (n+1)th read period of described electric energy meter deducts the electric flux of load carrying n-th read period of described electric energy meter is negative value, judges that described electric energy meter code drives in the wrong direction.
10. the automatic tracing analysis system of metering automation terminal according to claim 6 to 8 any one, is characterized in that,
Described entry condition judge module, when the Real-time Load of described electric energy meter is greater than described default load threshold value, judges that described electric energy meter meets load carrying entry condition;
And/or
Described comprehensive test module comprises:
Balance of voltage verification unit, during for being greater than the balance of voltage degree threshold value of setting at the balance of voltage degree of described electric energy meter, judges that each phase voltage of described electric energy meter is uneven;
Current balance type verification unit, during for being greater than the current balance type degree threshold value of setting at the current balance type degree of described electric energy meter, judges that each phase current of described electric energy meter is uneven;
Power collecting verification unit, for when conforming to the general power in described transient data when each phase power sum of described electric energy meter, judges that the power collecting of described electric energy meter is correct;
Electric energy acquisition and period arrange verification unit, for when all kinds of period electric energy sums of described electric energy meter conform to the total electric energy in described transient data, judge that the electric energy acquisition of described electric energy meter and period arrange correctly;
Secondary connection verification unit, for when the power factor of described electric energy meter conforms to the power factor in described transient data, judges that the secondary connection of described electric energy meter is correct.
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