The content of the invention
It is a primary object of the present invention to propose a kind of platform area line loss analyzing management system, it is intended to solve prior art presenceProblem.
To achieve the above object, embodiment of the present invention first aspect provides a kind of platform area line loss analyzing management system, describedSystem includes collection module, adds up computing module, comparing module, and is arranged on the data acquisition module that platform is distinguished on branch lineBlock；
The data acquisition module, the power line data of branch line, and the power line that will be collected are distinguished for picking platformData upload to the collection module；
The collection module, for collecting the power line data that all data acquisition modules are uploaded；
The totalling computing module, for carrying out totalling computing to the power line data for collecting；
The comparing module, for the power line data for adding up computing to be compared with the power line data of platform area summary tableIt is right, according to comparison result determining table area line loss.
Further, the totalling computing module, totalling computing is carried out for the power line data to special time period；
The comparing module, for the power line data and platform area summary table special time of the special time period by computing is added upThe power line data of section is compared, if adding up the power line data and platform area summary table special time period of the special time period of computingPower line data it is inconsistent, it is determined that there is positive line loss and negative wire and damage in platform area.
Further, the comparing module, is additionally operable to the power line data of the special time period by computing is added up and adds upAnother special time period of the computing and power line data of identical duration is compared, line loss rule is determined according to comparison result.
Further, the totalling computing module, totalling computing is carried out for the power line data to particular point in time；
The comparing module, for the power line data and platform area summary table special time of the particular point in time by computing is added upThe power line data of point is compared, according to comparison result determining table area line loss.
Further, the system also includes alarm module；
The alarm module, if exceeding predetermined threshold value for the comparison result, generates warning information.
Further, the system also includes line loss statistical module；
The line loss statistical module, sort method is carried out for pair platform area line loss for determining.
Further, the data acquisition module includes voltage sampling unit and current sampling unit.
Further, the voltage sampling unit includes potential-divider network, sampling resistor and filter network；The current sampleUnit includes sampling resistor and filter network.
Further, the electricity that the data acquisition module will be collected by wireless communication mode or wire communication modeLine of force data upload to the collection module.
Further, the wireless communication mode include 470MHz wireless communication modes, 2.4GHz wireless communication modes orPerson's global system for mobile communications；
The wire communication mode includes electric line carrier communication.
Provided in an embodiment of the present invention area's line loss analyzing management system, adds up by the power line data for collectingComputing, contrast judgement, determining table area line loss；Can quickly, accurately and timely find because of aging circuit earth leakage current or peopleThe abnormal electrical power supply phenomenon occurred for reasons such as stealings, is conducive to ensureing Electrical Safety.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Each embodiment of the invention is realized referring now to Description of Drawings.In follow-up description, using for representingOnly for being conducive to explanation of the invention, itself does not have spy to the suffix of such as " module ", " part " or " unit " of elementFixed meaning.
It will be further appreciated that, the term "and/or" used in description of the invention and appended claims isRefer to any combinations of one or more in the associated item listed and be possible to combination, and including these combinations.
In power system, platform area refers to the supply district or region of (one) transformer.Fig. 1 is a kind of exemplary platformPlot structure schematic diagram, in the figure：
One-level branch：Refer to the inlet wire point from transformer bus to circuit one-level feeder pillar, i.e., the A points in figure to B points,Typically can be according to the installation number of platform area one-level numbers of branches determination data acquisition module；
Two grades of branches：Nearest transfer box or electric meter box (mobile electric meter, use in figure is come out to from one-level feeder pillarFamily ammeter), i.e., C points in figure to E points or D points to F points；
The concept in little Tai areas：For ease of live top-down investigation, platform zoning is divided into several little Tai areas and enters line numberAccording to comparison, dashed lines in the range of can be considered a Ge little Tai areas.
Platform area summary table electricity can be obtained from platform area summary table.
Needs are explanations, and the data acquisition module in the present embodiment can be independent One function module or dressPut, or One function module or device in line loss analyzing equipment.Line loss analyzing equipment will not be described here.
Based on above-mentioned platform plot structure, refer to shown in Fig. 2, a kind of platform area line loss analyzing pipe provided in an embodiment of the present inventionReason system, the system includes collection module 21, adds up computing module 22, comparing module 23, and is arranged on platform differentiation branch lineOn data acquisition module 20；
Data acquisition module 20, the power line data of branch line, and the electric power line number that will be collected are distinguished for picking platformAccording to uploading to collection module 21；
Refer to shown in Fig. 4, in the present embodiment, data acquisition module 20 includes that voltage sampling unit 201 and electric current are adoptedSample unit 202.
As shown in figure 5, in one embodiment, voltage sample module includes potential-divider network, sampling resistor and filtering netNetwork.The potential-divider network of one group of resistance (R67 to R82, R68 to R83 are similar) of R66 to R81 composition is by three-phase voltage signal valueReasonable interval is down to, the signal after partial pressure completes sampling functions by sampling resistor R104 (R105, R106), then via R96 and C81ADC chip signal inputs are can access after the single order RC network, the filtering of M1 magnetic beads element of (R97 and C82, R98 and C83) composition.
As shown in fig. 6, in one embodiment, current sample module includes sampling resistor and filter network.Three-phase electricityAfter stream signal is sampled via sampling resistor R39 (R40, R41), then be made up of R42 and C17 (R43 and C18, R44 and C19)Single order RC network completes filtering, finally accesses ADC chip signal inputs.
ADC chips can be using 16 six Channel Synchronous sampling A/D chip AD73360 of Analog Devices companies.
In the present embodiment, data acquisition module 20 be able to will be collected by wireless communication mode or wire communication modePower line data upload to collection module 21.
Wireless communication mode includes 470MHz wireless communication modes, 2.4GHz wireless communication modes or global mobile communicationSystem (Global System for Mobile Communication, GSM)；
Wire communication mode includes electric line carrier communication (Power Line Carrier, PLC).
Collection module 21, for collecting the power line data that all data acquisition modules are uploaded.
Computing module 22 is added up, for carrying out totalling computing to the power line data for collecting.
In the present embodiment, power line data may include real time data (for example：Voltage, electric current, instantaneous power, current electricityAmount), freezing data (for example：Day freeze, hour freezes, 15 minutes electricity freeze), requirement (for example：Current requirement, history are maximumRequirement), the metering numerical value such as output current, voltage, electric energy.By taking power and/or electricity as an example, it adds up computing can be as follows：
I), power：P=P1+P2+ ...+Pn, P '=P ' 1+P ' 2+ ...+P ' n, wherein P are theoretical value, and P ' is actual samplesValue；
II), electricity：E=E1+E2+ ...+En, E '=E ' 1+E ' 2+ ...+E ' n, wherein E are theoretical value, and E ' is actual samplesValue.
Comparing module 23, for the power line data for adding up computing to be compared with the power line data of platform area summary table,According to comparison result determining table area line loss.
In one embodiment, computing module 22 is added up, is added up for the power line data to special time periodComputing.This is not restricted for special time period, for example, can be 8：00：00 to 9：00：Time period between 00.
Comparing module 23, for the power line data and platform area summary table special time period of the special time period by computing is added upPower line data compare, if adding up power line data and the platform area summary table special time period of the special time period of computingPower line data is inconsistent, it is determined that platform area has positive line loss and negative wire is damaged.
Further, comparing module 23, are additionally operable to the power line data of the special time period by computing is added up and add up fortuneAnother special time period and the power line data of identical duration calculated are compared, and line loss rule is determined according to comparison result.ExampleSuch as can be by 8：00：00 to 8：30：The power line data of computing, and 8 are added up between 00：30：00 to 9：00：Fortune is added up between 00The power line data of calculation is compared, so as to realize determining line loss rule according to comparison result.
In the present embodiment, it is determined that the line loss that can cause including equipment of line loss rule, the line loss that causes of circuit and peopleFor the line loss that stealing causes.
In another embodiment, computing module 22 is added up, is added for the power line data to particular point in timeTotal computing；This is not restricted for particular point in time, for example, can be 8：00：00、8：00：15 or 9：00：00 time point.
Comparing module 23, for the power line data and platform area summary table particular point in time of the particular point in time by computing is added upPower line data compare, according to comparison result determining table area line loss.By by two electric power of identical particular point in timeLine number evidence is compared, so as to can realize according to comparison result determining table area line loss.
Refer to shown in Fig. 3, further, system also includes alarm module 24；
Alarm module 24, if exceeding predetermined threshold value for comparison result, generates warning information.
Specifically, if adding up the power line data of the special time period of computing and the power line of platform area summary table special time periodData are compared, and the comparison result exceedes predetermined threshold value, then generate warning information；
If add up computing special time period power line data with totalling computing another special time period and it is identical whenPower line data long is compared, and the comparison result exceedes predetermined threshold value, then generate warning information；
If the power line data for adding up the particular point in time of computing enters with the power line data of platform area summary table particular point in timeRow is compared, and the comparison result exceedes predetermined threshold value, then generate warning information.
In the present embodiment, warning information may include control instruction and/or audible and visible alarm information.User can be according to generationWarning information, forms management daily paper, achieves related data.
Refer again to shown in Fig. 3, further, the system may also include line loss statistical module 25；
Line loss statistical module 25, sort method is carried out for pair platform area line loss for determining.
Specifically, according to month, season or year, and can be ranked up according to the size of regional line loss amount, withBeneficial to reinforcement Controlling line loss.
Needs are explanations, and the system can realize that multipoint data is imported, and multiple spot judged result is inquired about and shown.Multiple spotData are imported, i.e., one provincial management system can simultaneously access the line loss combined data of the key power network of each department, a countyLevel management system can refine to the line loss data of the power network tip in each small towns and street.
Also need to be explanation, the system is not limited only to Low-voltage Line Loss analysis field, may be equally applied to high pressure and spyThe intelligent monitoring analysis management field of high-tension line loss.
Provided in an embodiment of the present invention area's line loss analyzing management system, adds up by the power line data for collectingComputing, contrast judgement, determining table area line loss；Can quickly, accurately and timely find because of aging circuit earth leakage current or peopleThe abnormal electrical power supply phenomenon occurred for reasons such as stealings, is conducive to ensureing Electrical Safety.
It should be noted that herein, term " including ", "comprising" or its any other variant be intended to non-rowHis property is included, so that process, method, article or device including a series of key elements not only include those key elements, andAnd also include other key elements being not expressly set out, or also include for this process, method, article or device institute are intrinsicKey element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including thisAlso there is other identical element in the process of key element, method, article or device.
The preferred embodiments of the present invention are these are only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hairEquivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skillsArt field, is included within the scope of the present invention.