CN205809573U - Multi-function electricity fraudulent using-proof Simulation Experimental Platform - Google Patents

Abstract

The utility model discloses a multifunctional anti-stealing simulation experiment platform. There are currently some anti-stealing simulation training devices for traditional mechanical energy meters and anti-stealing simulation training systems for electronic energy meters, but the functions of these training systems are relatively single. The utility model includes a program-controlled power supply unit, a primary metering and testing unit, a power stealing simulation unit, a general metering device, an anti-theft power product unit to be detected, a communication server and a client terminal unit; , high-supply and low-meter metering unit, public variable metering unit on the pole, low-supply and low-meter three-phase metering unit, and low-supply and low-meter single-phase metering unit. Electrical appliances and instruments are connected. The utility model can verify and analyze the existing typical electricity stealing methods, can carry out forward-looking research on new electricity stealing methods, and at the same time can carry out research on anti-theft electricity strategies and anti-theft electricity product detection.

Description

Multifunctional anti-stealing simulation experiment platform

technical field

The utility model belongs to the technical field of electric power system anti-stealing, in particular to a multi-functional anti-stealing simulation experiment platform.

Background technique

Stealing electricity not only damages the economic interests of the country and power companies, but also endangers the safe operation of the power grid. Therefore, anti-theft technology has always been a major issue in power systems. There are a large number of power users, and there are various ways of stealing electricity. New methods of stealing electricity emerge in endlessly, especially after traditional mechanical energy meters are replaced by electronic energy meters. It is difficult to find after the transformation, so it is necessary to develop an anti-stealing simulation experiment platform, so as to conduct verification and analysis of typical electricity theft methods in the laboratory, study the regular characteristics and prevention methods of various electricity theft methods, and improve the professionalism of anti-theft electricity through simulation learning On this basis, it is possible to analyze the electrical data of the actual power grid, judge the way of stealing electricity, effectively distinguish the difference in power consumption caused by line loss and electricity theft, and conduct electricity theft inspections.

So far, there have been some anti-stealing simulation training devices for traditional mechanical energy meters and anti-stealing simulation training systems for electronic energy meters, but the functions of these training systems are relatively single. Considering the actual electric energy metering situation of the power system, from the perspective of the integrity of the simulation experiment, the anti-theft electricity simulation experiment platform needs to be fully equipped with various existing general metering equipment, and the platform can simulate various typical models for different general metering equipment in the power system. Stealing electricity, and the power supply system of the simulation platform can simulate various on-site power supply conditions; in terms of the openness of the simulation experiment, it is necessary to allow the setting of electricity stealing points in different general metering equipment, so as to realize the simulation and forward-looking research on new electricity stealing methods , and anti-stealing products can be added to facilitate the detection of various anti-stealing products and the verification of anti-stealing strategies; in terms of the interaction of simulation experiments, it allows staff to realize interactive learning.

Utility model content

The technical problem to be solved by the utility model is to provide a multifunctional anti-stealing electricity simulation experiment platform, which can verify and analyze the existing typical electricity theft methods, and can conduct prospective research on new electricity theft methods, and at the same time can carry out Research on anti-stealing strategy and anti-stealing product detection.

For this reason, the technical scheme that the utility model adopts is as follows: Multifunctional anti-stealing electricity emulation experiment platform, it comprises program-controlled power supply unit, primary measuring and testing unit, stealing electricity simulation unit, universal metering device, anti-stealing electricity product unit to be detected, communication server and client terminal units;

The universal metering device is composed of five independent metering units, which are high-supply-high metering unit, high-supply-low metering unit, public variable metering unit on the pole, low-supply-low metering three-phase metering unit and low-supply-low metering unit. Single-phase metering unit, these five independent metering units are all connected to the electrical appliances and meters in their respective units according to the general specifications;

The program-controlled power supply unit includes a three-phase program-controlled voltage source, a single-phase program-controlled voltage source, a three-phase voltage booster, a single-phase voltage booster, a single-phase program-controlled current source and a single-phase current booster, and the three-phase The program-controlled voltage source is connected to the three-phase booster to output three-phase voltage, the single-phase program-controlled voltage source is connected to the single-phase booster to output single-phase voltage, and the single-phase program-controlled current source is connected to the single-phase current booster to output single-phase current;

The program-controlled power supply unit provides virtual work to the high-supply and high-metering unit, the high-supply-low metering unit, the public variable metering unit on the pole, the low-supply and low-metering three-phase metering unit and the low-supply-low metering unit in the universal metering device respectively. The metering single-phase metering unit supplies power, and the program-controlled power supply unit and the five independent metering units are connected in turn to the corresponding primary metering test unit and stealing simulation unit;

The electricity stealing simulation unit carries out corresponding no-meter/over-meter electricity stealing, The three types of electricity stealing methods of attacking the metering circuit and attacking the electric energy meter are simulated; the public variable metering unit on the pole does not carry out the electricity stealing simulation, it is the same as the three-phase metering unit with low supply and low meter and the low supply and low meter The single-phase metering units together form a low-voltage power supply system, and perform line loss simulation simulation calculations. The anti-theft product units to be detected perform electricity theft simulation through each metering point of different metering units, so as to carry out the detection and anti-theft of anti-theft products. Validation of electrical policies.

The utility model starts from satisfying the integrity, openness and interactivity of the anti-stealing simulation experiment, and realizes various experiments and learning functions of the anti-stealing simulation experiment platform. Such a multi-functional anti-stealing simulation experiment platform has no See patents and literature reports.

Further, the metering unit of the high-supply meter includes a cabinet and an anti-stealing communication controller installed on the cabinet, a three-phase three-wire smart meter, a type III electricity collection terminal, a joint junction box, a digital display voltmeter, a digital Display ammeter, high voltage voltage transformer and high voltage current transformer.

Further, the high-supply and low-meter metering unit includes a cabinet and an anti-stealing communication controller installed on the cabinet, a three-phase four-wire smart meter, a type III power collection terminal, a joint junction box, a digital display voltmeter, Digital display ammeter and current transformer.

Further, the public variable metering unit on the pole includes a frame body and a vacuum circuit breaker installed on the frame body, a high-voltage drop insurance, a 50kVA transformer shell, a leakage protector, a three-phase four-wire electric energy meter, and a type III electricity collection unit. terminals and junction boxes.

Further, the low-supply and low-calculation three-phase metering unit includes a cabinet and a three-phase metering box installed on the cabinet, a three-phase four-wire smart meter, a type III electricity collection terminal, a joint junction box, a digital display voltmeter, Digital display ammeter and current transformer.

Further, the low-supply and low-calculation single-phase metering unit includes multi-channel voltage transformers, single-phase standard electric energy meters, current transformers, error calculators and short-circuit relays.

Further, the primary metering and testing unit adopts a load monitor based on a wireless current acquisition module and a related electric energy meter among a high-voltage electric energy meter, a three-phase three-wire smart meter, a three-phase four-wire smart meter and a single-phase standard electric energy meter.

Further, the client terminal unit includes multiple client terminals connected to the communication server.

The utility model has the beneficial effects as follows: (1) The program-controlled power supply unit can provide three-phase and single-phase high-voltage and low-voltage simulation experiment power supplies respectively, and the general metering device is equipped with a high-supply high meter meter unit, a high-supply low meter meter unit, The pole-mounted public variable metering unit, low-supply and low-meter three-phase metering unit and low-supply and low-meter single-phase metering unit, and the electricity stealing simulation unit can carry out electricity stealing without meters/over-meters, attacking metering circuit stealing electricity, and attacking energy meter theft Therefore, it can simulate the power supply conditions on site and simulate various typical electricity theft methods for the existing typical metering equipment in the power system, so that it can systematically analyze and summarize each electricity theft method, and find out (2) By setting electricity stealing points at the measurement points of different metering units in the general metering device, the simulation of the new electricity stealing method can be realized, so that the new electricity stealing method can be looked forward to Therefore, the multi-functional anti-stealing simulation experiment platform is an open simulation experiment platform for electricity theft; (3) The multi-functional anti-stealing simulation experiment platform can be added with anti-stealing products to facilitate the development of various anti-stealing Product detection and verification of anti-stealing strategies.

Description of drawings

Fig. 1 is a functional block diagram of the utility model.

In the figure: 1 is the program-controlled power supply unit, 2 is the primary metering and testing unit, 3 is the power stealing simulation unit, 4 is the general metering device, 5 is the anti-theft product unit to be tested, 6 is the communication server, 7 is the client terminal unit, 4-1 is the metering unit for high supply and high meter, 4-2 is the metering unit for high meter and low meter, 4-3 is the public variable metering unit on the pole, 4-4 is the three-phase metering unit for low meter and low meter, 4-5 is Low supply low meter single phase metering unit.

detailed description

As shown in Figure 1, the multi-functional anti-stealing simulation experiment platform consists of a program-controlled power supply unit 1, a primary metering and testing unit 2, a stealing simulation unit 3, a general metering device 4, an anti-stealing product unit 5 to be detected, and a communication server 6 and client terminal unit 7. The universal metering device 4 is composed of five independent metering units, which are respectively high metering unit 4-1 for high metering, metering unit 4-2 for high metering for low metering, metering unit 4-3 for public variable on the pole, and metering unit 4-3 for low metering for low metering. Phase metering unit 4-4 and low supply and low meter single-phase metering unit 4-5. The program-controlled power supply unit 1 is composed of a three-phase program-controlled voltage source, a single-phase program-controlled voltage source, a three-phase voltage booster, a single-phase voltage booster, a single-phase program-controlled current source and a single-phase current booster. The primary metering and testing unit 2 uses a load monitor based on a wireless current acquisition module and a related electric energy meter among a high-voltage electric energy meter, a three-phase three-wire smart meter, a three-phase four-wire smart meter, and a single-phase standard electric energy meter. The metering unit 4-1 of the high-supply meter consists of a cabinet and an anti-theft communication controller installed on the cabinet, a three-phase three-wire smart meter, a type III electricity collection terminal, a joint junction box, a digital display voltmeter, and a digital display voltmeter. Ammeter, high voltage voltage transformer and high voltage current transformer. The high-supply and low-meter metering unit 4-2 consists of a cabinet and an anti-theft communication controller installed on the cabinet, a three-phase four-wire smart meter, a type III power collection terminal, a joint junction box, a digital display voltmeter, and a digital display Composed of ammeter and current transformer. The public variable metering unit 4-3 on the pole consists of a frame body and a vacuum circuit breaker installed on the frame body, a high voltage drop insurance, a 50kVA transformer shell, a leakage protector, a three-phase four-wire electric energy meter, a type III power collection terminal and Combined junction box composition. Three-phase metering unit 4-4 for low supply and low meter consists of a cabinet and a three-phase metering box installed on the cabinet, a three-phase four-wire smart meter, a type III power collection terminal, a joint junction box, a digital display voltmeter, and a digital display Composed of ammeter and current transformer. The low-supply and low-meter single-phase metering unit 4-5 is composed of a multi-channel voltage transformer, a single-phase standard electric energy meter, a current transformer, an error calculator and a short-circuit relay. The client terminal unit is a plurality of client terminals connected to the communication server.

The high-supply and high-meter metering unit 4-1 in the universal metering device 4, the high-supply and low-meter metering unit 4-2, the public variable metering unit 4-3 on the pole, the low-supply and low-meter three-phase metering unit 4-4 and the low-supply The low-profile single-phase metering units 4-5 are all connected to the electrical appliances and instruments in their respective units according to general specifications to form independent metering cabinets. The three-phase program-controlled voltage source in the program-controlled power supply unit 1 is connected to the three-phase booster to output the three-phase voltage, the single-phase program-controlled voltage source is connected to the single-phase booster to output the phase voltage, and the single-phase program-controlled current source is connected to the single-phase current booster connected to output single-phase current. The program-controlled power supply unit 1 supplies the high-supply and high-meter metering unit 4-1, the high-supply and low-meter metering unit 4-2, the pole-mounted public variable metering unit 4-3, and the low-supply and low-meter metering unit 4 in the universal metering device 4 respectively in the form of virtual work. The three-phase metering unit 4-4 and the low-level metering single-phase metering unit 4-5 supply power, and the corresponding primary metering test unit 2 and electricity stealing are connected in sequence between the program-controlled power supply unit 1 and these five independent metering units. Simulation unit 3.

The electricity stealing simulation unit 3 conducts corresponding non-meter/over-meter electricity stealing for the high-supply and high-meter metering unit, the high-supply and low-meter metering unit, the low-supply and low-meter three-phase metering unit, and the low-supply and low-meter single-phase metering unit Simulation of three types of electricity theft methods, attacking metering circuit stealing electricity and attacking electric energy meter stealing electricity.

The power stealing method simulation of the high power meter meter unit 4-1 includes the power stealing method of voltage transformer disconnection, bypassing the transformer and jumping the power stealing method, the secondary voltage circuit disconnection stealing method, and the secondary voltage circuit voltage division Electricity stealing method, secondary voltage loop wrong phase stealing method, secondary current loop open circuit stealing method, secondary current loop shunt electricity stealing method, secondary current loop wrong phase stealing method, secondary current loop reverse connection stealing method Electricity stealing method, secondary current circuit replacement current transformer transformation ratio stealing method, secondary circuit short circuit stealing method, remote control joint junction box current circuit short circuit stealing method, strong magnetic interference stealing method, high frequency interference stealing method And high-voltage pulse stealing method.

The power stealing mode simulation of the high supply and low meter metering unit 4-2 includes bypassing the transformer stealing mode, secondary current loop open circuit stealing mode, secondary current loop shunting power stealing mode, and secondary current loop wrong phase stealing mode , Secondary current loop reverse connection stealing method, secondary current loop replacement current loop variable ratio stealing method, secondary circuit short circuit stealing method, remote control joint junction box current circuit short circuit stealing method, strong magnetic interference stealing power way, high-frequency interference stealing method and high-voltage pulse stealing method.

The electricity stealing method simulation of low supply and low metering three-phase metering unit 4-4 includes the voltage stealing method of open circuit or bad contact, the method of dividing voltage and stealing electricity of electronic components such as voltage coil series resistance, adding bypass line to bypass the meter stealing electricity method, short-circuiting the current terminal of the ammeter to steal electricity, manganese-copper resistance spot welding and cutting the manganese-copper signal line to steal electricity, the current sampling circuit parallel or series resistors to steal electricity, replacing the voltage sampling circuit with graded sampling resistors to steal electricity, Implanted remote control bypass shunt stealing method, strong magnetic interference stealing method, high-frequency interference stealing method and high-voltage pulse stealing method.

The electricity stealing mode simulation of low supply and low metering single-phase metering unit 4-5 includes the method of stealing electricity by adding bypass line bypassing the meter, shorting the current terminal of the electric energy meter, stealing electricity by disconnecting the zero line, and manganese-copper resistance spot welding Stealing electricity by cutting manganese-copper signal lines, stealing electricity by connecting current sampling loops in parallel or connecting resistors in series, replacing voltage sampling loops with graded sampling resistors, stealing electricity by implanting remote control bypass shunts, and stealing electricity by strong magnetic interference way, high-frequency interference stealing method and high-voltage pulse stealing method.

The public transformer metering unit 4-3 on the pole does not perform electricity stealing simulation. It forms a low-voltage power supply system together with the three-phase metering unit 4-4 for low supply and low metering and the single-phase metering unit 4-5 for low power supply and metering. Simulation calculation, the anti-stealing product unit 5 to be detected conducts electricity-stealing simulation at each metering point of different metering units of the anti-stealing simulation experiment platform, so as to carry out detection of anti-stealing products and verification of anti-stealing strategies.

The specific design parameters of this embodiment are:

The high-voltage rated simulation voltage of the multifunctional anti-stealing simulation experiment platform of the utility model is 10kV/50Hz, the high-voltage rated simulation current is 500A/50Hz, the low-voltage rated simulation voltage is 220V/50Hz, and the low-voltage rated simulation current is 1000A/50Hz. The transformer of the unit is 0.2 level, the electric energy meter is level 1, the maximum number of customer terminals of the customer terminal unit is 10, the high supply and high metering unit, the high supply and low metering unit, the low supply and low metering three-phase metering unit and the low supply and low metering unit The metering single-phase metering unit can carry out the corresponding simulation and calculation of the three types of stealing methods without meters/over-meters, attacking metering loops and attacking electric energy meters. The simulation of each type of stealing methods All include the existing typical stealing methods and remote control joint junction box current loop short circuit stealing methods, strong magnetic interference stealing methods, high-frequency interference stealing methods and high-voltage pulse stealing methods, a complete anti-stealing simulation and The maximum time for calculation and analysis is 30 seconds. The public variable metering unit on the pole does not perform power stealing simulation. Damage simulation calculation.

The content that is not described in detail in the description of the utility model belongs to the known technology of those skilled in the art.

It should be understood that: the above-mentioned embodiment is only an illustration of the utility model, rather than a limitation of the utility model, and any utility model creation within the scope of the essential spirit of the utility model all falls within the protection scope of the utility model .

Claims (8)

1. multi-function electricity fraudulent using-proof Simulation Experimental Platform, it is characterised in that it includes that the test of programmable power supply unit, primary metrology is single Unit, electricity-stealing simulating unit, general metering device, anti-electricity-theft product unit to be detected, communication server and client terminal unit；

Described general metering device is made up of five independent metering units, and respectively massive quantity power supply and measurement metering units, height are for low The public metering units, low for low meter three phase metering unit and low for low meter single-phase measurement unit of becoming on meter metering units, bar, these five Electrical equipment in respective unit and instrument are all attached by independent metering units by general specification；

Described programmable power supply unit includes three-phase program-controlled voltage source, single-phase program-controlled voltage source, three-phase voltage increasing device, single-phase step-up Device, single-phase programmable current source and single-phase current lifting device, the three-phase program-controlled voltage source in programmable power supply unit is connected with three-phase voltage increasing device Output three-phase voltage, single-phase program-controlled voltage source is connected with single-phase step-up device output single-phase voltage, and single-phase programmable current source is with single-phase Current lifting device is connected output single-phase electric current；

Described programmable power supply unit gives the massive quantity power supply and measurement metering units in general metering device, height for low respectively in virtual work mode Public on meter metering units, bar become metering units, low for low meter three phase metering unit with low power for low meter single-phase measurement unit, journey Corresponding primary metrology test cell and stealing all it has been sequentially ingressed between control five independent metering units of power subsystem and this Analogue unit；

Described electricity-stealing simulating unit is to massive quantity power supply and measurement metering units, the low meter metering units of high confession, the low meter three phase metering list of low confession First and the low meter single-phase measurement unit of low confession is carried out accordingly without table/electricity theft over ammeter, attack measurement loop stealing and attack electric energy This three major types stealing mode of table stealing is simulated；On described bar, the public metering units that becomes does not carries out electricity-stealing simulating, and it supplies low meter with low Three phase metering unit and the low meter single-phase measurement unit of low confession collectively constitute low-voltage power supply system, carry out line loss analog simulation calculating, Anti-electricity-theft product unit to be detected carries out electricity-stealing simulating at each stoichiometric point by different metering units.

Multi-function electricity fraudulent using-proof Simulation Experimental Platform the most according to claim 1, it is characterised in that described massive quantity power supply and measurement meter Amount unit includes rack and the anti-electricity-theft communication controller being arranged on rack, phase three-wire three intelligent meter, III type electricity consumption collection eventually End, combined connection box, digital display type voltmeter, digital display type ammeter, high voltage potential transformer and high-tension current mutual inductance Device.

Multi-function electricity fraudulent using-proof Simulation Experimental Platform the most according to claim 1, it is characterised in that described height is for low meter meter Amount unit includes rack and the anti-electricity-theft communication controller being arranged on rack, three-phase and four-line intelligent meter, III type electricity consumption collection eventually End, combined connection box, digital display type voltmeter, digital display type ammeter summation current transformer.

Multi-function electricity fraudulent using-proof Simulation Experimental Platform the most according to claim 1, it is characterised in that on described bar, public change is counted Amount unit includes framework and the vacuum circuit breaker being arranged in framework, high pressure fall insurance, 50kVA transformer shell, electric leakage guarantor Protect device, three-phase and four-line electric energy meter, III type electricity consumption acquisition terminal and combined connection box.

Multi-function electricity fraudulent using-proof Simulation Experimental Platform the most according to claim 1, it is characterised in that described is low for low meter three Phase metering units include rack and the three phase electricity metering box being arranged on rack, three-phase and four-line intelligent meter, III type electricity consumption acquisition terminal, Combined connection box, digital display type voltmeter, digital display type ammeter summation current transformer.

Multi-function electricity fraudulent using-proof Simulation Experimental Platform the most according to claim 1, it is characterised in that described is low single for low meter Phase metering units includes plurality of voltages transformer, single-phase standard electric energy meter, current transformer, Error Calculator and short circuit relay Device.

Multi-function electricity fraudulent using-proof Simulation Experimental Platform the most according to claim 1, it is characterised in that described primary metrology is surveyed Examination unit uses load monitor based on wireless electric current acquisition module and high-voltage electric energy meter, phase three-wire three intelligent meter, three-phase Four line intelligent meter electric energy meters relevant with the one in single-phase standard electric energy meter.

Multi-function electricity fraudulent using-proof Simulation Experimental Platform the most according to claim 1, it is characterised in that described client terminal list Unit includes the client terminal that multiple stage is connected with communication server.