CN207051369U - Height is for low meter stealing simulator - Google Patents
Height is for low meter stealing simulator Download PDFInfo
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- CN207051369U CN207051369U CN201721044044.XU CN201721044044U CN207051369U CN 207051369 U CN207051369 U CN 207051369U CN 201721044044 U CN201721044044 U CN 201721044044U CN 207051369 U CN207051369 U CN 207051369U
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- 230000005611 electricity Effects 0.000 claims abstract description 62
- 238000004804 winding Methods 0.000 claims description 16
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000002474 experimental method Methods 0.000 abstract description 4
- 238000011160 research Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 9
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- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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Abstract
Power system anti-theft electricity technology field, more particularly to stealing simulator are the utility model is related to, is specially a kind of high for low meter stealing simulator.Solves the problems, such as to lack height for low meter stealing simulator.For low meter stealing simulator, it includes programmable power supply, the first current transformer, the second current transformer, the 3rd current transformer, the load of controllable three-phase and four-line, an electricity filching device, secondary electricity filching device, three-phase and four-line intelligent meter and computer to the height.The device can provide complete stealing emulation experiment data, be advantageous to the research of anti-theft electricity technology；The device is to simulate typical stealing under real conditions, therefore while stealing emulation data are obtained, can also investigate and analyze harmfulness of the various electricity stealings to metering device.
Description
Technical field
Power system anti-theft electricity technology field, more particularly to stealing simulator are the utility model is related to, is specially one kind
Height is for low meter stealing simulator.
Background technology
Anti-theft electricity technology research is pay close attention to problem of power industry, and it is related to power supply enterprise and user
Economic interests, the security problems of operation of power networks, height supply low meter（High voltage supply low-temperature measurement）Metering device is largely present, due to
Metering circuit voltage is relatively low, easily implements electricity stealing, and stealing electricity method style is more.Except taking precautions against stealing up from hardware
In addition, the thief-proof computator method calculated based on service data is a kind of practical and effective basic anti-theft electricity technology, be presently, there are
A variety of thief-proof computator methods, the complexity between thief-proof computator method is different, and from the calculating for simply determining complexity, difference is stolen
The adaptability of electric behavior is also different, and new thief-proof computator method is also constantly proposing, this just needs to carry out thief-proof computator method
Checking, but to expect that the real data of various electricity stealings is extremely difficult, it is therefore desirable to it is a kind of to facilitate thief-proof computator method to test
The device of card.Such height there are no patent and document report for low meter stealing simulator.
Utility model content
Technical problem to be solved in the utility model：A kind of height is provided for low meter stealing simulator, it can actual loading
The high typical electricity stealing for low meter measuring equipment of simulating grid, the research for thief-proof computator method provide condition.
The technical solution of the utility model：For height for low meter stealing simulator, it includes programmable power supply, the first Current Mutual Inductance
Device, the second current transformer, the 3rd current transformer, the load of controllable three-phase and four-line, an electricity filching device, secondary electricity filching device,
Three-phase and four-line intelligent meter and computer；
Electricity filching device is made up of first switch, second switch and the 3rd switch；
Secondary electricity filching device has three input terminals, three lead-out terminals and a ground terminal, each input terminal
A lead-out terminal is all each corresponded to, includes a switches set in secondary electricity filching device, controls opening inside secondary electricity filching device
Pass group, corresponding relation and break-make relation between three input terminals and three lead-out terminals can be changed, can also change three it is defeated
Enter the break-make relation between terminal and ground terminal；
The A phases of programmable power supply export the non-same polarity with the primary winding of the first current transformer respectively, first switch
One terminal is connected, and the B phases of programmable power supply export the non-same polarity with the primary winding of the second current transformer, second respectively
One terminal of switch is connected, and the C phases of programmable power supply export non-of the same name with the primary winding of the 3rd current transformer respectively
End, a terminal of the 3rd switch are connected, the zero line output of the programmable power supply zero line side with the load of controllable three-phase and four-line respectively
Son, the zero terminal of three-phase and four-line intelligent meter are connected, and the Same Name of Ends of the primary winding of the first current transformer is respectively with first
Another terminal of switch, the A phase terminals of controllable three-phase and four-line load, the A phase voltage input terminal phases of three-phase and four-line intelligent meter
Connection, the Same Name of Ends of the primary winding of the second current transformer another terminal with second switch, controllable three-phase and four-line respectively
The B phase terminals of load, the B phase voltage input terminals of three-phase and four-line intelligent meter are connected, the primary winding of the 3rd current transformer
Same Name of Ends another terminal with the 3rd switch, C phase terminals, the three-phase and four-line intelligent meter of the load of controllable three-phase and four-line respectively
C phase voltage input terminals are connected；The secondary line of the Same Name of Ends of the secondary coil of first current transformer, the second current transformer
The Same Name of Ends of the secondary coil of the Same Name of Ends of circle and the 3rd current transformer three input terminals with secondary electricity filching device respectively
It is connected, the A phase currents input terminal with three-phase and four-line intelligent meter, B phases are electric respectively for three lead-out terminals of secondary electricity filching device
Stream input terminal is connected with C phase current input terminals；The A phase currents lead-out terminal of three-phase and four-line intelligent meter, the output of B phase currents
Terminal, C phase currents lead-out terminal, the non-same polarity of secondary coil of the first current transformer, the second current transformer it is secondary
The non-same polarity of coil, the non-same polarity of secondary coil of the 3rd current transformer, the ground terminal of secondary electricity filching device connect
Together and it is connected to the ground, computer is loaded with programmable power supply, controllable three-phase and four-line by RS232 interface, once stolen respectively
Electric installation, secondary electricity filching device are connected with three-phase and four-line intelligent meter.
The beneficial effect that the utility model is brought is,（1）Height is for low meter stealing simulator mainly by programmable power supply, controllable
Three-phase and four-line load, an electricity filching device, secondary electricity filching device etc. form, by controlling an electricity filching device and secondary stealing to fill
Put, a variety of typical stealing modes can be simulated；（2）By programmable power supply and the actual loading electricity consumption ring of controllable three-phase and four-line load structure
Border, and load curve is controlled according to actual user's electricity consumption situation, load includes electrothermal load and motor load, these conditions
So that stealing simulated environment is close to truth, therefore device is to simulate typical stealing under real conditions, while whole stealing
In 10kW once, but the no-load voltage ratio by adjusting three current transformers amplifies secondary output to the Power Control of simulator, can
Electricity stealing with simulation with TV university load；（3）Device can provide complete stealing emulation experiment data, be advantageous to anti-electricity-theft
The research of technology；（4）The device is to simulate typical stealing under real conditions, therefore while stealing emulation data are obtained,
It can also investigate and analyze harmfulness of the various electricity stealings to metering device.
Brief description of the drawings
Fig. 1 is a kind of theory diagram of the present utility model, and high each work(for low meter stealing simulator is given in figure
Can block diagram；
In figure：1 it is programmable power supply, 2 be the first current transformer, 3 be the second current transformer, 4 is the 3rd Current Mutual Inductance
Device, 5 be the load of controllable three-phase and four-line, 6 be an electricity filching device, 7 be secondary electricity filching device, 8 be three-phase and four-line intelligent meter, 9 be
Computer, 10 be first switch, 11 be second switch, 12 be the 3rd switch.
Embodiment
The utility model proposes height for it is low meter stealing simulator, embodiment as shown in figure 1,
It includes programmable power supply 1, the first current transformer 2, the second current transformer 3, the 3rd current transformer 4, controllable
Three-phase and four-line loads 5, electricity filching devices 6, secondary electricity filching device 7, three-phase and four-line intelligent meter 8 and computer 9；
Electricity filching device 6 is made up of first switch 10, the switch of second switch 11 and the 3rd 12；
Secondary electricity filching device 7 has three input terminals, three lead-out terminals and a ground terminal, each input terminal
A lead-out terminal is all each corresponded to, includes a switches set in secondary electricity filching device 7, controls inside secondary electricity filching device 7
Switches set, corresponding relation and break-make relation between three input terminals and three lead-out terminals can be changed, can also change three
Break-make relation between input terminal and ground terminal；
The A phases of programmable power supply 1 export the non-same polarity with the primary winding of the first current transformer 2, first switch respectively
10 terminal is connected, and the B phases of programmable power supply 1 export non-of the same name with the primary winding of the second current transformer 3 respectively
End, a terminal of second switch 11 are connected, and the C phases of programmable power supply 1 export the primary line with the 3rd current transformer 4 respectively
The non-same polarity of circle, a terminal of the 3rd switch 12 are connected, the zero line output of programmable power supply 1 respectively with controllable three-phase and four-line
Load 5 zero terminal, the zero terminal of three-phase and four-line intelligent meter 8 be connected, the primary winding of the first current transformer 2 it is same
Name end another terminal with first switch 10, the A phase terminals of controllable three-phase and four-line load 5, three-phase and four-line intelligent meter 8 respectively
A phase voltage input terminals are connected, and the Same Name of Ends of the primary winding of the second current transformer 3 is another with second switch 11 respectively
Individual terminal, the B phase terminals of controllable three-phase and four-line load 5, the B phase voltage input terminals of three-phase and four-line intelligent meter 8 are connected, and the 3rd
Another terminal with the 3rd switch 12, controllable three-phase and four-line load 5 to the Same Name of Ends of the primary winding of current transformer 4 respectively
C phase terminals, the C phase voltage input terminals of three-phase and four-line intelligent meter 8 are connected；The secondary coil of first current transformer 2 it is same
Name end, the second current transformer 3 secondary coil Same Name of Ends and the 3rd current transformer 4 secondary coil Same Name of Ends difference
Be connected with three input terminals of secondary electricity filching device 7, three lead-out terminals of secondary electricity filching device 7 respectively with three-phase and four-line
A phase currents input terminal, the B phase currents input terminal of intelligent meter 8 are connected with C phase current input terminals；Three-phase and four-line intelligence
A phase currents lead-out terminal, B phase currents lead-out terminal, C phase currents lead-out terminal, the secondary line of the first current transformer 2 of table 8
The non-same polarity of circle, the non-same polarity of secondary coil of the second current transformer 3, the secondary coil of the 3rd current transformer 4
Non-same polarity, the ground terminal of secondary electricity filching device 7 are linked together and are connected to the ground, and computer 9 is connect by RS232 respectively
Mouth loads 5, electricity filching devices 6, secondary electricity filching device 7 and three-phase and four-line intelligent meter 8 with programmable power supply 1, controllable three-phase and four-line
It is connected.
Programmable power supply 1 produces three-phase symmetric voltage, drives controllable three-phase and four-line load 5, controllable three-phase and four-line load 5 is by three
Multiple electrothermal loads of symmetrical connection and motor load composition, these loads load the journey set in 5 by controllable three-phase and four-line
Control switch control, control program is determined by load curve set in advance, can be manually set or according to the actual user measured
Power load curve carrys out assumed load curve, and computer 9 controls programmable power supply 1, controllable three-phase and four-line load 5, one by RS232
The working condition of secondary electricity filching device 6 and secondary electricity filching device 7, and read data from three-phase and four-line intelligent meter 8；Control closure is once
The first switch 10 of electricity filching device 6, the switch of second switch 11 and the 3rd 12, can be simulated once around more transformer stealing mode；
Secondary current loop open circuit stealing mode, secondary current loop point can be simulated by controlling the built-in switch group of secondary electricity filching device 7
Flow stealing mode, secondary current loop misphase stealing mode, secondary circuit fraudulent use electricity by short-circuit mode；After emulation experiment terminates, device
Can provide including load curve, stealing mode and from three-phase and four-line intelligent meter 8 read data including full experiment number
According to the research and development of thief-proof computator method.
The present embodiment specific design parameter is：
The high three-phase rated voltage for low meter stealing simulator of the utility model is 380V, and rated current maximum is
15A, frequency 50Hz, device rated power are 10kW, and the first current transformer 2, the second current transformer 3 and the 3rd electric current are mutual
The nominal transformation ratio of sensor 4 is 15A/5A, and class of accuracy is 0.2 grade, and three-phase and four-line intelligent meter 8 is 0.5 grade, passes through control
An electricity filching device 6, secondary electricity filching device 7 are made, can be in a manner of analog current transformer bridges a stealing, secondary current loop
Open circuit stealing mode, secondary current loop shunting stealing mode, secondary current loop misphase stealing mode, secondary circuit short circuit are stolen
The typical stealing mode such as electrically, once the maximum duration of complete stealing emulation is 30 seconds.
The content not being described in detail in the utility model specification belongs to the known technology of those skilled in the art.
Claims (2)
- It is 1. a kind of high for low meter stealing simulator, it is characterised in that it includes programmable power supply（1）, the first current transformer（2）、 Second current transformer（3）, the 3rd current transformer（4）, the load of controllable three-phase and four-line（5）, an electricity filching device（6）, it is secondary Electricity filching device（7）, three-phase and four-line intelligent meter（8）And computer（9）；Electricity filching device（6）By first switch（10）, second switch（11）With the 3rd switch（12）Composition；Secondary electricity filching device（7）With three input terminals, three lead-out terminals and a ground terminal, each input terminal Each corresponding lead-out terminal, secondary electricity filching device（7）Inside include a switches set, control secondary electricity filching device（7）It is internal Switches set, the corresponding relation and break-make relation between three input terminals and three lead-out terminals can be changed, can also change three Break-make relation between individual input terminal and ground terminal；Programmable power supply（1）A phases export respectively with the first current transformer（2）The non-same polarity of primary winding, first switch （10）A terminal be connected, programmable power supply（1）B phases export respectively with the second current transformer（3）Primary winding Non-same polarity, second switch（11）A terminal be connected, programmable power supply（1）C phases export respectively with the 3rd Current Mutual Inductance Device（4）Primary winding non-same polarity, the 3rd switch（12）A terminal be connected, programmable power supply（1）Zero line output Loaded respectively with controllable three-phase and four-line（5）Zero terminal, three-phase and four-line intelligent meter（8）Zero terminal be connected, first electricity Current transformer（2）Primary winding Same Name of Ends respectively with first switch（10）Another terminal, controllable three-phase and four-line load （5）A phase terminals, three-phase and four-line intelligent meter（8）A phase voltage input terminals be connected, the second current transformer（3）Once The Same Name of Ends of coil respectively with second switch（11）Another terminal, controllable three-phase and four-line load（5）B phase terminals, three-phase Four line intelligent meters（8）B phase voltage input terminals be connected, the 3rd current transformer（4）Primary winding Same Name of Ends difference With the 3rd switch（12）Another terminal, controllable three-phase and four-line load（5）C phase terminals, three-phase and four-line intelligent meter（8）C Phase voltage input terminal is connected；First current transformer（2）Secondary coil Same Name of Ends, the second current transformer（3）'s The Same Name of Ends of secondary coil and the 3rd current transformer（4）Secondary coil Same Name of Ends respectively with secondary electricity filching device（7）'s Three input terminals are connected, secondary electricity filching device（7）Three lead-out terminals respectively with three-phase and four-line intelligent meter（8）A phases Current input terminal, B phase currents input terminal are connected with C phase current input terminals；Three-phase and four-line intelligent meter（8）A phases electricity Flow lead-out terminal, B phase currents lead-out terminal, C phase currents lead-out terminal, the first current transformer（2）Secondary coil it is non-same Name end, the second current transformer（3）Secondary coil non-same polarity, the 3rd current transformer（4）Secondary coil it is non-same Name end, secondary electricity filching device（7）Ground terminal link together and be connected to the ground, computer（9）Connect respectively by RS232 Mouth and programmable power supply（1）, the load of controllable three-phase and four-line（5）, an electricity filching device（6）, secondary electricity filching device（7）And three-phase and four-line Intelligent meter（8）It is connected.
- It is 2. according to claim 1 high for low meter stealing simulator, it is characterised in that controllable three-phase and four-line load（5）By Multiple electrothermal loads of three-phase symmetrical connection and motor load composition, these loads are loaded by controllable three-phase and four-line（5）Inside set Grammed switch control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721044044.XU CN207051369U (en) | 2017-08-21 | 2017-08-21 | Height is for low meter stealing simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721044044.XU CN207051369U (en) | 2017-08-21 | 2017-08-21 | Height is for low meter stealing simulator |
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| Publication Number | Publication Date |
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| CN207051369U true CN207051369U (en) | 2018-02-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107507497A (en) * | 2017-09-23 | 2017-12-22 | 浙江涵普电力科技有限公司 | Electric-power metering is high for low meter stealing emulation training device |
-
2017
- 2017-08-21 CN CN201721044044.XU patent/CN207051369U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107507497A (en) * | 2017-09-23 | 2017-12-22 | 浙江涵普电力科技有限公司 | Electric-power metering is high for low meter stealing emulation training device |
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