CN104240568A - Power-theft-prevention training device - Google Patents
Power-theft-prevention training device Download PDFInfo
- Publication number
- CN104240568A CN104240568A CN201410454669.8A CN201410454669A CN104240568A CN 104240568 A CN104240568 A CN 104240568A CN 201410454669 A CN201410454669 A CN 201410454669A CN 104240568 A CN104240568 A CN 104240568A
- Authority
- CN
- China
- Prior art keywords
- stealing
- electric energy
- energy meter
- current
- phase
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention relates to a power-theft-prevention training device which comprises a cabinet and a PC. The cabinet is provided with a warning indication lamp, a power meter, a false meter tail, a joint junction box, a current mutual inductor terminal and a load indication lamp. The power meter is provided with a voltage coil, a current coil and a shunt wire, the shunt wire is connected with a power meter tail current wire in parallel, and the power meter can be a single-phase power meter or a three-phase three-wire power meter or a three-phase four-wire power meter. As for the single-phase power meter, a current circuit shunts; as for the three-phase power meters, the shunt wire is connected with the power meter tail current wire of any phase in parallel. The shunt wire is connected with the power meter tail current wire in parallel, the current circuit is in parallel connection with the shunt wire, the contact resistance of the shunt wire is adjusted, the amount of stolen power is changed, power theft behaviors are effectively analyzed and judged, power-theft-prevention ability is improved, and the aim of power-theft-prevention training is achieved.
Description
Technical field
The invention belongs to emulation training equipment technical field, relate to a kind of device of training of opposing electricity-stealing.
Background technology
Along with the development of electrical network and the commercialization of electric energy, stealing electricity phenomenon is more and more general.The stealing grievous injury interests of power supply enterprise, have upset for electricity consumption order, also bring a series of for Electrical Safety hidden danger and social concern.Stealing in recent years becomes more diverse, stealing technology is increasingly intelligent, electricity filching behavior industrialization increasingly.Control stealing, investigation stealing problem have become that can not be ignored an and in the urgent need to address problem.Along with applying of power information acquisition system, high-tech electricity filching behavior showed increased, disguised strong, traditional surreptitiously means of looking into lost efficacy substantially.Current electric system power utility check and related personnel's technical merit lower, can not meet far away and investigate and prosecute the requirement of stealing.Current anti-electricity stealing training device is provided with the stealing mode of various under-voltage, defluidization, phase shift, as: potential winding broken string, potential winding crosstalk resistance, current coil short circuit etc., various stealing mode is by computer installation.But, do not emulate the stealing mode of undercurrent in software, and the resistance value of serial connection is fixed, and cannot change, can not meet training on electric power requirement.
Authorization Notice No. is that the utility model patent of CN202306914U discloses that " a kind of active pull-up circuit device supporting with comprehensive experimental device for preventing electricity from stealing, comprising: computing machine and software systems, RS232/485 communication interface, precision voltage source, power isolation transformer, power supply wiring controller, stealing/fault simulation switch, electric energy meter, digital electronic ammeter and be provided with the pressure regulation current lifting device of phase-change switch; It is a kind of comprehensive experimental device for preventing electricity from stealing for power supply enterprise technician study, experiment, research Prevention Stealing Electricity Technology.Can the disguised stealing gimmick of true reappearance, reach detection techniques training purpose of opposing electricity-stealing ".But the experimental provision of this patent is too complicated, the object of training of opposing electricity-stealing can not be adapted to.
Summary of the invention
The object of this invention is to provide a kind of device of training of opposing electricity-stealing, judging stealing by changing electric energy meter current loop current, improving anti-electricity-theft ability.
Anti-electricity stealing training device of the present invention, comprises cabinet and PC, and cabinet is provided with alarm lamp, electric energy meter, false table tail--, combined connection box, current transformer terminal and load pilot lamp.Electric energy meter is provided with potential winding and current coil.Electric energy meter is provided with shunt conductor, and shunt conductor and current coil are connected in parallel.
Electric energy meter is single-phase electric energy meter, three-phase three-wire electric energy meter or three-phase and four-line electric energy meter.For single-phase electric energy meter, current return is connected in parallel shunt conductor.For three-phase electric energy meter, shunt conductor and the wiring of any phase current coils from parallel connection of coils of electric energy meter tail.Stealing comprises under-voltage method stealing, the stealing of undercurrent method, phase-shifting method stealing or expands the stealing of difference method.The setting of under-voltage method stealing comprises disconnected potential winding, potential winding series impedance or changes voltage transformer (VT) no-load voltage ratio.The setting of undercurrent method stealing comprises disconnected current coil, short circuit current coil, current coil series impedance or changes current transformer ratio.The setting of phase-shifting method stealing comprises change mutual inductor polarity, changes electric current and voltage coil polarity, changes voltage or current coil.It is in parallel with the wiring of electric energy meter tail current that the setting of expanding difference method stealing comprises shunt conductor, change electric energy meter current loop current.
From basic measuring principle and the electric power (P=UIcos Φ) of electric energy meter, can one piece of electric energy meter correctly measure is that correctness by voltage, electric current, power factor three elements and the product of time, installation and wiring determines.Therefore, wherein any one condition of breaking can make electric energy meter slow-speed, stall is even reversed, thus reaches the object of stealing.In addition, by changing the structural behaviour of ammeter itself, also can make that electric energy meter rotating speed is slack-off, stall is even reversed.The present invention can simulate the stealings such as under-voltage, undercurrent, phase shift, can also connect shunt conductor simulation and expands the stealing of difference method, regulate contact resistance size to change electric energy meter error according to electric energy meter current loop.
Anti-electricity stealing training device of the present invention is by parallel with the wiring of electric energy meter tail current by shunt conductor, and current return also connects shunt conductor, by regulating shunt conductor contact resistance to change power-steeling quantity, effectively analyzing and judging road electricity filching behavior, improve anti-electricity-theft ability.Simulate under-voltage method, undercurrent method, phase-shifting method stealing mode by PC simulation software and attaching shunt conductor, act on electric energy meter, to reach the object of training of opposing electricity-stealing.Single-phase electric energy meter adopts current return shunting, and three-phase electric energy meter shunt conductor is in parallel with the wiring of any phase current of electric energy meter tail, can simulate single-phase stealing and also can simulate three-phase electricity stealing, is a kind of feasible analogue simulation training set.
Accompanying drawing explanation
Fig. 1 is electric energy meter cabinet header board schematic diagram;
Fig. 2 is the single-phase wiring schematic diagram of anti-electricity stealing training device of the present invention;
Fig. 3 is anti-electricity stealing training device three-phase phase connection schematic diagram;
Wherein:
1-alarm lamp, 2-electric energy meter, 3---vacation table tail, 4-combined connection box, 5-current transformer terminal, 6-load pilot lamp, 7-voltage conductor, 8-current lead, 9-shunt conductor, 10-cabinet.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in detail.Scope is not limited to embodiment, and any change that those skilled in the art make in the scope that claim limits also belongs to the scope of protection of the invention.
Anti-electricity stealing training device of the present invention comprises cabinet 10 and PC.As shown in Figure 1, cabinet is provided with alarm lamp 1, electric energy meter 2, false table tail 3--, combined connection box 4, current transformer terminal 5 and load pilot lamp 6.As shown in Figure 2, be single-phase electric energy meter, electric energy meter is provided with potential winding 7, current coil 8 and shunt conductor 9, and shunt conductor and current coil 8 are connected in parallel.Shunt conductor is in parallel with the wiring of electric energy meter tail current, and to shunt electric energy meter current loop, simulation electric energy meter expands difference method stealing electricity method.By changing the size of shunt conductor and connection terminal contact resistance, changing institute quantitatively and how much divide electric current, finally change stealing SOC values.Table 1 is depicted as simulation and expands difference stealing gimmick, single-phase machinery and intelligent electric energy meter and connect shunt conductor with not and under connecing shunt conductor two kinds of situations, analyze comparing of the error of actual measurement numerical value and electric energy meter true value.Table 1 result shows, not and when connecing shunt conductor, the error of single-phase machinery electric energy meter and intelligent electric energy meter is minimum, can not meet metering needs.When and when connecing shunt conductor, along with the reduction of contact resistance, and connect wire resistance reduce, institute divide the electric current of electric energy meter to increase, the revolution of electric energy meter or umber of pulse reduction, error is larger.When contact resistance is minimum, the error ratio intelligent electric energy meter of mechanical electric energy meter wants large, and this is the feature structure decision of electric energy meter itself.Expand difference method institute power-steeling quantity and can change numerical value by regulating the contact resistance of shunt conductor.Think through Measurement and analysis, three-phase electric energy meter also has same result.
As shown in Figure 3, electric energy meter 2 is three-phase and four-line electric energy meter, shunt conductor 9 and any phase current coil 8 of electric energy meter tail also tie.For three-phase electric energy meter, shunt conductor is in parallel with the wiring of any phase current of electric energy meter tail, simulates three-phase electric energy meter current return stealing electricity method.
Single-phase straight-through table three piece or mounting single-phase zone CT table three piece can be mounted before cabinet or hang three-phase and four-line band CT table one piece or hang phase three-wire three band CT table one piece.How much simulation expansion difference method stealing of stealing electricity can be changed during use according to the size of shunt conductor contact resistance, realize the stealing emulation of multiple numerical value, meet training on electric power requirement.Current return also connects shunt conductor, shunts electric energy meter current loop, and difference method stealing electricity method is expanded in simulation, and by regulating shunt conductor contact resistance to change power-steeling quantity.By changing the size of shunt conductor and connection terminal contact resistance, changing institute quantitatively and how much divide electric current, finally change stealing SOC values.
Simulate under-voltage method, undercurrent method, phase-shifting method stealing mode by PC simulation software and attaching shunt conductor, act on electric energy meter, carry out training of opposing electricity-stealing.Setting for platen press stealing comprises disconnected potential winding, potential winding series impedance or changes voltage transformer (VT) no-load voltage ratio.Setting for the stealing of undercurrent method comprises disconnected current coil, short circuit current coil, current coil series impedance or changes current transformer ratio.Setting for phase-shifting method stealing comprises change mutual inductor polarity, changes electric current and voltage coil polarity, changes voltage or current coil.Shunt conductor is comprised for the setting of expanding the stealing of difference method in parallel with the wiring of electric energy meter tail current, change electric energy meter current loop current.
Claims (7)
1. an anti-electricity stealing training device, comprise cabinet (10) and PC, described cabinet is provided with alarm lamp (1), electric energy meter (2), false table tail (3)--, combined connection box (4), current transformer terminal (5) and load pilot lamp (6), described electric energy meter is provided with potential winding (7) and current coil (8), it is characterized in that: described electric energy meter is provided with shunt conductor (9), and described shunt conductor and current coil are connected in parallel.
2. anti-electricity stealing training device according to claim 1, it is characterized in that: described electric energy meter (2) is single-phase electric energy meter, three-phase three-wire electric energy meter or three-phase and four-line electric energy meter, for single-phase electric energy meter, current return is connected in parallel shunt conductor (9), for three-phase electric energy meter, described shunt conductor (9) and any phase current coil (8) of electric energy meter tail tie.
3. the device of training of opposing electricity-stealing according to claim 1, is characterized in that: described stealing comprises under-voltage method stealing, the stealing of undercurrent method, phase-shifting method stealing or expands the stealing of difference method.
4. the device of training of opposing electricity-stealing according to claim 3, is characterized in that: the setting of described under-voltage method stealing comprises disconnected potential winding, potential winding series impedance or changes voltage transformer (VT) no-load voltage ratio.
5. the device of training of opposing electricity-stealing according to claim 3, is characterized in that: the setting of described undercurrent method stealing comprises disconnected current coil, short circuit current coil, current coil series impedance or changes current transformer ratio.
6. the device of training of opposing electricity-stealing according to claim 3, is characterized in that: the setting of described phase-shifting method stealing comprises change mutual inductor polarity, changes electric current and voltage coil polarity, changes voltage or current coil.
7. the device of training of opposing electricity-stealing according to claim 3, is characterized in that: it is in parallel with the wiring of electric energy meter tail current that described setting of expanding the stealing of difference method comprises shunt conductor, changes electric energy meter current loop current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410454669.8A CN104240568A (en) | 2014-09-09 | 2014-09-09 | Power-theft-prevention training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410454669.8A CN104240568A (en) | 2014-09-09 | 2014-09-09 | Power-theft-prevention training device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104240568A true CN104240568A (en) | 2014-12-24 |
Family
ID=52228550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410454669.8A Pending CN104240568A (en) | 2014-09-09 | 2014-09-09 | Power-theft-prevention training device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104240568A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977447A (en) * | 2015-01-29 | 2015-10-14 | 深圳供电局有限公司 | Electricity stealing analog simulation device and method |
| CN105044450A (en) * | 2015-03-25 | 2015-11-11 | 深圳供电局有限公司 | Metering error analysis device and method |
| CN106023748A (en) * | 2016-06-21 | 2016-10-12 | 国网浙江省电力公司培训中心 | Low-voltage metering training device |
| CN112147390A (en) * | 2020-09-23 | 2020-12-29 | 国网山东省电力公司莒县供电公司 | Automatic alarm anti-theft electric energy meter |
| CN112542076A (en) * | 2020-12-04 | 2021-03-23 | 广东电网有限责任公司江门供电局 | Anti-electricity-stealing skill training device |
| CN114325014A (en) * | 2022-01-10 | 2022-04-12 | 广西电网有限责任公司 | Electric energy meter electricity stealing behavior reproduction device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201465383U (en) * | 2009-05-15 | 2010-05-12 | 郑州万特电气有限公司 | Low-voltage measurement electricity anti-stealing training device |
| CN201681532U (en) * | 2009-12-17 | 2010-12-22 | 河北省电力公司石家庄培训中心 | Demonstration interface circuit matched and arranged in anti-electricity stealing training device |
| CN201918046U (en) * | 2010-11-03 | 2011-08-03 | 河北省电力公司职业技术培训中心 | Anti-electricity-stealing simulation training system |
| CN202102624U (en) * | 2011-06-13 | 2012-01-04 | 安徽省电力公司安庆供电公司 | Integral experiment system for preventing electricity fraudulent use |
| CN102540131A (en) * | 2010-12-15 | 2012-07-04 | 河南省电力公司开封供电公司 | Instrument examination method based on electrical energy metering |
| CN203397574U (en) * | 2013-05-03 | 2014-01-15 | 江西九江供电公司 | Intelligent training device capable of preventing electricity stealing |
| CN203587642U (en) * | 2013-11-07 | 2014-05-07 | 国家电网公司 | Electric meter box with electricity larceny prevention function |
-
2014
- 2014-09-09 CN CN201410454669.8A patent/CN104240568A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201465383U (en) * | 2009-05-15 | 2010-05-12 | 郑州万特电气有限公司 | Low-voltage measurement electricity anti-stealing training device |
| CN201681532U (en) * | 2009-12-17 | 2010-12-22 | 河北省电力公司石家庄培训中心 | Demonstration interface circuit matched and arranged in anti-electricity stealing training device |
| CN201918046U (en) * | 2010-11-03 | 2011-08-03 | 河北省电力公司职业技术培训中心 | Anti-electricity-stealing simulation training system |
| CN102540131A (en) * | 2010-12-15 | 2012-07-04 | 河南省电力公司开封供电公司 | Instrument examination method based on electrical energy metering |
| CN202102624U (en) * | 2011-06-13 | 2012-01-04 | 安徽省电力公司安庆供电公司 | Integral experiment system for preventing electricity fraudulent use |
| CN203397574U (en) * | 2013-05-03 | 2014-01-15 | 江西九江供电公司 | Intelligent training device capable of preventing electricity stealing |
| CN203587642U (en) * | 2013-11-07 | 2014-05-07 | 国家电网公司 | Electric meter box with electricity larceny prevention function |
Non-Patent Citations (2)
| Title |
|---|
| 百度文库: "低压计量反窃电培训装置实训指导书", 《百度文库》, 20 April 2012 (2012-04-20) * |
| 赵同生: "《用电检查》", 30 April 2009 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977447A (en) * | 2015-01-29 | 2015-10-14 | 深圳供电局有限公司 | Electricity stealing analog simulation device and method |
| CN105044450A (en) * | 2015-03-25 | 2015-11-11 | 深圳供电局有限公司 | Metering error analysis device and method |
| CN106023748A (en) * | 2016-06-21 | 2016-10-12 | 国网浙江省电力公司培训中心 | Low-voltage metering training device |
| CN112147390A (en) * | 2020-09-23 | 2020-12-29 | 国网山东省电力公司莒县供电公司 | Automatic alarm anti-theft electric energy meter |
| CN112542076A (en) * | 2020-12-04 | 2021-03-23 | 广东电网有限责任公司江门供电局 | Anti-electricity-stealing skill training device |
| CN114325014A (en) * | 2022-01-10 | 2022-04-12 | 广西电网有限责任公司 | Electric energy meter electricity stealing behavior reproduction device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104240568A (en) | Power-theft-prevention training device | |
| CN102073027B (en) | Method for detecting action performance of failure indicator | |
| CN104483643B (en) | Modeling method based on detection platform of fault indicator for physical simulation of power distribution network | |
| CN106094571B (en) | Multifunctional anti-electricity-theft simulation experiment platform | |
| CN203965613U (en) | A kind of emulation test system of earth-fault indicator performance | |
| CN205067643U (en) | Direct current system's of transformer substation distributed insulation monitoring and warning device | |
| CN203276027U (en) | Digital dynamic closed-loop test system of electricity smooth and steady supply device | |
| CN103645410A (en) | Dynamic simulation system and method of small current grounding systems in power grid | |
| CN102981061B (en) | Direct-to-ground capacitance measuring instrument in a kind of transformer station distribution system | |
| CN103235235B (en) | A kind of method of overhead transmission line ground fault detection and device | |
| CN203350349U (en) | Transformer substation bus phase voltage off-limit alarm system | |
| CN103941160B (en) | Power distribution network loop closing detection device and method | |
| CN105759172A (en) | Active grounding system abnormality detection device | |
| CN202956482U (en) | Small current system single-phase grounding fault detection verifying device | |
| CN104502815A (en) | Testing device for non-linear resistor type resonance eliminator | |
| CN104515922A (en) | Power supply supervision apparatus for construction machinery | |
| CN104749486A (en) | Residual current protector based IT system single-phase fault positioning method | |
| CN203858323U (en) | Low current grounding line selection positioner | |
| CN205178521U (en) | Three -phase balance high pressure metering device | |
| CN205027835U (en) | Electric parameters measures combination meter | |
| CN104391145A (en) | Online low voltage detection device for electric leakage and electric energy steal and implement method thereof | |
| CN103915004A (en) | Aircraft station simulation training practical operation system | |
| CN202548319U (en) | Test device of power consumption of electric energy meter | |
| CN205720500U (en) | Active earthed system abnormal detector | |
| CN204347224U (en) | Intelligent DC analogue ground tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141224 |
|
| RJ01 | Rejection of invention patent application after publication |