KR101863326B1 - System for preventing electricity theft - Google Patents

System for preventing electricity theft Download PDF

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Publication number
KR101863326B1
KR101863326B1 KR1020180015213A KR20180015213A KR101863326B1 KR 101863326 B1 KR101863326 B1 KR 101863326B1 KR 1020180015213 A KR1020180015213 A KR 1020180015213A KR 20180015213 A KR20180015213 A KR 20180015213A KR 101863326 B1 KR101863326 B1 KR 101863326B1
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South Korea
Prior art keywords
power
power meter
control unit
supply side
supply
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KR1020180015213A
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Korean (ko)
Inventor
김상호
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이엔티코리아 주식회사
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
    • G01R11/02—Constructional details
    • G01R11/24—Arrangements for avoiding or indicating fraudulent use
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
    • G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
    • G01R22/061—Details of electronic electricity meters
    • G01R22/063—Details of electronic electricity meters related to remote communication
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
    • G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
    • G01R22/061—Details of electronic electricity meters
    • G01R22/066—Arrangements for avoiding or indicating fraudulent use
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H01F27/402—Association of measuring or protective means

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The present invention provides a system for preventing electricity theft which can detect electricity theft by a method different from a conventional method. The system for preventing electricity theft comprises: a supply side power meter which is connected to a secondary low-voltage lead line of a transformer to measure a power amount supplied to a plurality of consumers, and includes a collective power meter consisting of a plurality of power meters to measure consumption power amounts for the plurality of consumers as one group; a consumer side power meter to measure power amounts consumed by consumers; and an electricity theft control terminal to compare a first power amount measured by the supply side power meter and a second power amount which is the sum of consumption power amounts measured by the consumer side power meter to determine electricity theft between the supply side power meter and the consumer side power meter.

Description

SYSTEM FOR PREVENTING ELECTRICITY THEFT

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a conductive protection system capable of detecting or monitoring a conductive action.

A challenge is the act of stealing electricity in an illegal way without paying a fair fee for electricity usage.

On the other hand, the electric utility collects the electric power consumption by each customer by using the electric power meter installed in each customer, and then charges the electricity consumer by applying the electricity rate unit, progressive unit price and other discount items to the electric power consumer. Of the present invention is not only economically disadvantageous to the electric power companies directly but also has a problem of wasting energy in the course of illegal use and raising the possibility of occurrence of various safety accidents due to a short circuit .

In order to prevent the conventional challenge, Korean Patent Laid-Open Publication No. 2005-0007627, Korean Patent Registration No. 1225050 and Korean Utility Model Registration No. 0294711 disclose various means for detecting a challenge, The demand for the anti-static system that can be applied is constantly being raised.

KR 10-2005-0007627 A1 KR 10-1225050 B1 KR 20-0294711 Y1

The present invention intends to provide a conductive protection system capable of detecting a conductive state by a method different from the conventional method.

In order to solve the above problems, the present invention provides a supply side power meter connected to a secondary side low-voltage lead of a transformer for measuring the amount of power supplied to a plurality of customers, the supply side power meter comprising: A plurality of power meters for measuring an amount of power, the aggregate type power meter including a group of power meters; a customer-side power meter for measuring an amount of power consumed by the customer; And a conductive controller terminal for comparing the second power amount which is the sum of the power consumption amounts measured by the power meter on the customer's side to determine whether or not there is a challenge between the supply-side power meter and the customer-side power meter.

The power meter according to one embodiment further comprises a supply side control unit for controlling data of the supply side power meter, wherein the supply side power meter is accommodated in the supply side control unit and the power meter enclosure, And a proximity sensor for sensing an approach of the object to be detected to the outside of the power meter enclosure, wherein the supply side control unit comprises: a sensor for detecting the opening and closing of the cover, When the opening / closing of the cover is detected by the opening detection sensor or the proximity sensor, or when the approach of the object to be detected is detected, a dangerous risk event signal may be transmitted to the conductive control terminal.

According to one embodiment, the supply-side control unit includes a main supply-side control unit connected to be directly communicable with the conductive control terminal, or a sub-supply-side control unit connected indirectly to the conductive control terminal through the main- Unit.

According to one embodiment, there is provided a power management system including a customer-side control unit for controlling data of the customer-side power meter, wherein the supply-side control unit has a first identification code and a second identification And compare the codes to transmit power to the customer-side power meter via the supply-side power meter only if corresponding.

According to an embodiment, the challenge terminal may store a time zone during which the challenge occurs, and may provide a challenge occurrence time zone to the user upon request.

According to an embodiment, the power control terminal may be configured to determine, based on a first comparison result between the first power amount and the second power amount at a normal time, and a second comparison result between the current first power amount and the second power amount, Determining that the difference between the first comparison result and the second comparison result is out of the critical range, the critical range being a threshold value, the threshold range including a third power amount measured by the supply-side power meter adjacent to the normal time and a third power amount corresponding to the adjacent supply- And the third comparison result of the fourth power amount which is the sum of the power consumption amounts measured by the power meter on the consumer side.

According to the present invention, it is possible to detect whether or not a problem has occurred by using a method different from the conventional method, and further, a time when a challenge occurs can be provided to a user so that a user can respond to a challenge.

The supply side control unit is divided into a main supply side control unit and a sub supply side control unit. The supply side control unit capable of directly communicating with the conductive control terminal is a main supply side control unit. The sub supply side control unit indirectly It is possible to reduce the cost and the communication charge required for the network configuration by being connected to the control terminal so as to be able to communicate with the control terminal.

In addition, the anti-electrostatic system according to an embodiment of the present invention has an effect of more accurately determining whether or not to take a challenge by considering a power loss occurring during transmission in a determination of a conductive state.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view of a configuration of an antireflective system according to an embodiment of the present invention; FIG.
2 is a connection diagram of a power meter and a control unit between a supply side and a customer side according to an embodiment of the present invention.
3 is a configuration diagram of a power meter enclosure according to an embodiment of the present invention.
4 is an embodiment of an antireflective system according to an embodiment of the present invention.
5 is a communication connection diagram between a plurality of supply-side control units according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. In order to clearly illustrate the present invention, parts not related to the description are omitted, and like parts are denoted by similar reference numerals throughout the specification. Also, throughout the specification, when an element is referred to as "comprising ", it means that it can include other elements, not excluding other elements, unless specifically stated otherwise.

FIG. 1 is a configuration diagram of a conductive protection system according to an embodiment of the present invention.

As shown in FIG. 1, the electro-magnetic protection system according to an embodiment of the present invention includes a supply side power meter 101 and 102 connected to a secondary pressure line of the transformer for measuring the amount of power supplied to a plurality of customers, Side power meters 106 and 107 for measuring the amount of power consumed by the supply-side power meters 101 and 102, and a first power amount measured by the supply-side power meters 101 and 102 and a power amount Side power meters 101 and 102 and a power controller terminal 200 for determining whether a challenge between the supply-side power meters 101 and 102 and the customer-side power meters 106 and 107 is determined by comparing the first power amount and the second power amount.

However, it is needless to say that the components shown in FIG. 1 are not essential, so that a conductive protection system having components with fewer or fewer components can be implemented.

Hereinafter, each component will be described.

The power meter 101 on the supply side is connected to the secondary side low-voltage lead of the transformer 20, that is, located on the supply side, and can measure the amount of power supplied from the transformer 20 to the consumer side. The present invention is not limited to the method of measuring the electric power by the supply-side power meter 101, but may be a known method.

As shown in FIG. 1, it is a matter of course that the supply-side power meter 101 in the anti-electro-static system according to the embodiment of the present invention may be plural.

On the other hand, the customer-side power meters 106 and 107 can measure the amount of power consumed at the customer side, and the installation position is not particularly limited. However, according to one embodiment, the customer- (Electric poles), specifically around the transformer 20. Similarly to the supply-side power meter 101, the method for measuring the power of the power meters 106 and 107 is not limited to a specific method.

The customer-side power meter 106, 107 according to an embodiment of the present invention may include an aggregate-type power meter having a plurality of power meters for measuring an amount of power consumption for each of a plurality of customers .

That is, one customer-side power meter 106, 107 may be made up of a plurality of individual power meters corresponding to each customer side, and in accordance with one embodiment, the supply-side control unit 1102 controls the individual power meter, It is possible to block the power supply to the customer or to compare the predetermined supply side identification code with the customer side identification code stored in the customer side control unit 121 or 122 to transmit the power to the customer only if the corresponding Can be prevented.

The power control terminal 200 may be connected to the supply side power meters 101 and 102 and the customer side power meters 106 and 107 so as to be able to directly or indirectly communicate with the supply side power meters 101 and 102 Side power meters (101, 102) and the customer-side power meters (106, 107) using the result of comparison between the first power amount measured by the power meter It is possible to judge whether or not there is a challenge between the electric power meters 106 and 107.

The conductive terminal 200 may determine that a challenge has occurred when the following expression (1) is satisfied, and if not, it can be determined that no challenge has occurred.

[Equation 1]

Figure 112018013665464-pat00001

Here, the allowable power loss range indicates a power loss that may occur in the power line itself, and may be preset by the user.

As a result, according to the present invention, the conductive controller terminal 200 can detect an action that a voltage lowered through the transformer among a plurality of conducts to be conducted is divergent at the corresponding pole.

2 is a connection diagram of a power meter and a control unit between a supply side and a customer side according to an embodiment of the present invention.

2, the supply-side power meter 1101 is electrically connected to the customer-side power meter 106 (or the aggregate-type power meter 1103), and is transformed by the transformer 20 into low pressure Electricity can be transmitted from the supply side to the consumer side.

At this time, the supply-side power meter 1101 may be accommodated in the vicinity of the transformer 20 installed in the electric pole or in the power meter enclosure 110.

The supply side control unit 1102 can receive the data of the supply side power meter 1101, specifically, the supply side power meter 1102. The supply side power meter 1102 is connected to the supply side power meter 1101, The power meter 110 can be controlled such that the measured power meter data is monitored or data is processed.

The supply side control unit 1102 is connected to the power supply terminal 200, the other supply side control unit 1102, the customer side control units 121 and 122 and / or the customer side power meters 106 and 107 And at least one communication module to enable communication.

Accordingly, the supply side and / or the customer side power amount collected by the supply side control unit 1102 can be transmitted to the conductive control terminal 200 or the other supply side control unit 1102.

The communication module included in the supply-side control unit 1102 is not particularly limited, but may be a wireless LAN (WLAN), a wireless fidelity (WiFi) direct, a digital living network alliance (DLNA), a wireless broadband (WIBRO), a world interoperability for microwave Access), HSDPA (wireless internet module, such as High Speed Downlink Packet Access) or, or Bluetooth (Bluetooth TM, RFID (radio Frequency Identification), infrared data association (infrared Data Association; IrDA), UWB (Ultra Wideband), ZigBee, NFC (Near Field Communication) or the like.

3, the power meter enclosure 110 may include a main body and a cover that can be opened and closed to cover the main body, and a portion where the main body and the cover abut each other, specifically, And an opening / closing detection sensor 1105 for detecting opening / closing of the cover.

According to one embodiment, a proximity sensor 1106 for detecting the approach of the object to be detected to the transformer 20 or the main body is provided around the transformer 20, around the cover rim of the main body side rear surface, .

Accordingly, the supply side control unit 1102 can sense the opening of the cover by the opening / closing detection sensor 1105 or sense the approach of the object to be detected by the proximity sensor 1106, When the cover 1102 detects the opening of the cover and / or the approach of the object to be detected, it can transmit a dangerous risk event signal to the conductive control terminal 200, and the conductive control terminal 200 It can be judged that a challenging behavior occurs or a challenging behavior occurs soon.

According to another embodiment, the power meter enclosure 110 may include a notification means capable of outputting sound or light to the outside, and the supply side control unit 1102 may detect the opening of the cover, When the approach of the object to be detected is detected, the occurrence of the challenge can be output to the outside as sound or light.

According to another embodiment, a high current may flow around the power meter enclosure and / or the transformer, which can discharge a high current (e.g., 5 to 15 mA) to the challenger in order to warn the challenger at the time of the challenge And the supply side control unit 1102 can discharge a high current to the conductor through the means through which the high current can flow when the opening of the cover is detected or the approach of the object to be detected is detected .

4, the power meter enclosure 110 may be installed at a position adjacent to the transformer 20, as shown in FIG. 4, The power meter enclosure 110, specifically, the supply side control unit 1102 accommodated in the power meter enclosure 110 can be communicably connected to the customer side control units 121 and 122.

The supply side control unit 1102 not only controls the amount of power measured by the supply side power meters 101 and 102 but also controls at least one of the customer side control units 121 and 122 and the consumer side power meter 106 , 107) of the power meter (106, 107).

Accordingly, the power controller terminal 200 can transmit the amount of supply power and the amount of the defensive power to the supply-side control unit 1102, so that the conductivity-based controller 200 can determine whether or not a conductive occurrence has occurred.

As described above, the power meter 1101 on the supply side can transmit electricity, which has been transformed to low pressure by the transformer 20, from the supply side to the consumer side, according to an embodiment of the present invention. 1102 compares the predetermined first identification code with the second identification code stored in the reception side control unit (121, 122) and transmits the second identification code to the customer side via the supply side power meter (101, 102) It is preferable that the power is transmitted to the customer-side power meters 106, 107 corresponding to the control units 121, 122.

That is, according to one embodiment of the present invention, the supply side control unit 1102 is communicatively coupled to the customer side control unit 121, 122 so that the challenged customer side is not pre-registered or permitted customer side , It is possible to prevent the electric power from being supplied to only the power supply side of the power supply side control unit 1102,

5 is a communication connection diagram between a plurality of supply-side control units according to an embodiment of the present invention.

As described above, the electro-magnetic protection system according to the embodiment of the present invention includes a plurality of supply side power meters 101 and 102, and a plurality of supply side control units 1102 according to the respective supply side power meters 101 and 102 .

At this time, the plurality of supply side control units 1102 may form a communication network in which each of them is a peer.

Specifically, the plurality of supply-side control units 1102 include a main supply side control unit 110a connected to directly communicate with the conductive control terminal 200, and a power supply side control unit 110a via the main supply side control unit 110a. Side control units 110b and 110c that are indirectly communicable with the control units 200a and 200b.

One of the first sub supply side control units 110c is communicably connected to another adjacent second sub supply side control unit 110c so that the second sub supply side control unit 110c is connected to the main supply side control unit 110c, Side control unit 1102 communicates with the controller 200 via the first sub-supply-side control unit 110c when transmitting and receiving data to and from the controller system 200 via the unit 110a, And communication charges incurred when data is transmitted and received can be saved.

That is, according to an embodiment of the present invention, a plurality of sub supply side control units 110b and 110c located below the main supply side control unit 110a are connected to the power control terminal 200 through the main supply side control unit 110a, And the sub supply side control unit 110c which is not directly communicated with the main supply side control unit 110a is indirectly connected to the main supply side control unit 110a through the adjacent sub supply side control unit 110b, It is possible to save network construction costs and communication fees required for each sub-supply side control unit 110c to be directly connected to the controller 200. [

This is because the data transmission / reception between the main supply side control unit 110a and the power control terminal 200 usually requires a communication fee to be paid to an external communication service provider. In order to transmit / receive data between the plurality of sub supply side control units 110c, It is not necessary to pay the communication fee to the external communication carrier.

Meanwhile, as described above, the power control terminal 200 can be connected to be directly or indirectly communicable with the supply-side power meters 101 and 102 and the customer-side power meters 106 and 107, Side power meters (101, 102) using the result of comparison between the first amount of power measured by the power meters (101, 102) and the second amount of power that is the sum of the amount of power consumed by the power meters 102) and the customer-side power meter (106, 107).

At this time, the conductive terminal 200 according to an embodiment of the present invention continuously determines whether or not a challenge occurs, calculates an end point at which a challenge occurs and an end point at which a challenge does not occur, To the user upon request.

Furthermore, it is also determined whether or not the time of occurrence of the challenge is constant on a day-by-day basis, and the time of challenge is provided to the user only when the time of occurrence of the challenge is constant on a daily basis. .

It is possible to determine whether the conductive terminal 200 is in a conductive state based on a result of comparing the first amount of electric power with the second amount of electric power. However, if the first and second amounts of electric power at the normal time, When the second comparison result obtained by comparing the first power amount with the second power amount at present is out of the predetermined threshold range with respect to the first comparison result, .

The power control terminal 200 may be configured to compare the power consumption of the power supply to the power consumption of the power supply during a normal comparison, It is possible to judge whether the challenge is based on the difference of the second comparison result based on the result.

Here, the critical range includes a third power amount measured by the supply-side power meter 1101 that is adjacent to the normal power supply and a power consumption amount measured by the power-consumption meters 121 and 122, which are the transmission targets of the adjacent supply-side power meter 1101, And the third comparison result of the sum of the fourth power amounts.

As a specific example, power losses occurring during transmission are influenced by factors such as weather or weather conditions, air density, etc., so that a plurality of adjacent supply-side power meters (for example, The third comparison result calculated at the normal time by the first comparison result 1101 may be assumed as transmission power loss and the critical range may be defined as the maximum value and the minimum value of the third comparison result.

As a result, in the conductive protection system according to the embodiment of the present invention, when the conductive terminal 200 determines that the conductive terminal 200 is in the conductive state, the power loss occurring at the time of transmission can be considered.

The preferred embodiments of the present invention have been described in detail with reference to the drawings. It will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the appended claims.

Accordingly, the scope of the present invention is defined by the appended claims rather than the foregoing detailed description, and all changes or modifications derived from the meaning, range, and equivalence of the claims are included in the scope of the present invention Should be interpreted.

20: Transformer 101, 102: Supply side power meter
105: aggregate electric power meter 106, 107: electric power meter
110: Power meter enclosure 110a: First power meter enclosure
110b: second power meter enclosure 1101: power meter on the supply side
1102: Supply side control unit 1103: Collective power meter
121, 122: customer-side control unit 200:

Claims (6)

A supply side power meter connected to the secondary side low voltage lead of the transformer for measuring an amount of power supplied to a plurality of customers;
A customer-side power meter for measuring the amount of power consumed at the customer's side, the customer-side power meter being an aggregate-type power meter having a plurality of power meters for measuring the amount of power consumption for each of the plurality of customers; ;
And a second power amount which is a sum of the first power amount measured by the supply-side power meter and the power consumption amount measured by the customer-side power meter, and determines whether or not a challenge between the supply-side power meter and the customer- A challenge control terminal; And
A supply side control unit for controlling data of the supply side power meter;
≪ / RTI >
Wherein the plurality of supply side control units comprise a main supply side control unit connected to be directly communicable with the conductive control terminal and a sub supply side control unit connected to be indirectly communicable with the conductive control terminal through the main supply side control unit, One of the first sub supply side control units is communicably connected to the second sub supply side control unit adjacent to the second sub supply side control unit via the main supply side control unit adjacent to the second sub supply side control unit With features,
A customer-side control unit for controlling data of the customer-side power meter;
, ≪ / RTI >
The supply side control unit compares the predetermined first identification code with the second identification code stored by the customer side control unit and transmits power to the customer side power meter via the supply side power meter only when the corresponding first identification code is corresponding In addition,
The power control terminal includes:
Based on a first comparison result obtained by comparing the first power amount and the second power amount when normal and a second comparison result obtained by comparing the present first power amount and the second power amount, 2 If the difference between the comparison results is out of the critical range,
The critical range is calculated by comparing a third amount of electric power measured by a supply side electric power meter at a distance adjacent to a normal state and a fourth electric energy amount which is a sum of the amount of electric power consumed by the electric power meter measured by the consumer on the transmission side of the adjacent supply side electric power meter And is set based on the third comparison result. The method according to claim 1,
Wherein the supply-side power meter is accommodated in the supply-side control unit and the power meter enclosure,
The power meter enclosure includes a main body, a cover that can be opened and closed to cover the main body, an opening / closing sensor for detecting opening / closing of the cover, and a proximity sensor for detecting approach of the target to be detected to the outside of the power meter enclosure In addition,
Wherein the supply side control unit transmits a conductive risk event signal to the conductive control terminal when opening / closing of the cover is detected by the opening / closing sensor or the proximity sensor or when the approach of the object to be detected is detected. system. delete delete The method according to claim 1,
The power control terminal includes:
And stores the time zone in which the challenge occurs, and provides the challenge time zone to the user upon request. delete
KR1020180015213A 2018-02-07 2018-02-07 System for preventing electricity theft KR101863326B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113514695A (en) * 2021-03-04 2021-10-19 华北电力大学 Detection system and detection method suitable for group fixed proportion electricity stealing behavior
CN116087583A (en) * 2023-04-10 2023-05-09 北京煜邦电力技术股份有限公司 Anti-electricity-theft electric energy meter

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004340767A (en) * 2003-05-16 2004-12-02 Hitachi Ltd Electric power transaction method and electric power transaction system prevented in stealing electricity
KR101076497B1 (en) * 2010-07-07 2011-10-24 엘에스전선 주식회사 System and method for monitoring power theft based on power line communication network
KR101225050B1 (en) * 2011-07-20 2013-01-22 한전케이디엔주식회사 Multi metering system for preventing electricity theft

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004340767A (en) * 2003-05-16 2004-12-02 Hitachi Ltd Electric power transaction method and electric power transaction system prevented in stealing electricity
KR101076497B1 (en) * 2010-07-07 2011-10-24 엘에스전선 주식회사 System and method for monitoring power theft based on power line communication network
KR101225050B1 (en) * 2011-07-20 2013-01-22 한전케이디엔주식회사 Multi metering system for preventing electricity theft

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113514695A (en) * 2021-03-04 2021-10-19 华北电力大学 Detection system and detection method suitable for group fixed proportion electricity stealing behavior
CN113514695B (en) * 2021-03-04 2022-05-06 华北电力大学 Detection system and detection method suitable for group fixed proportion electricity stealing behavior
CN116087583A (en) * 2023-04-10 2023-05-09 北京煜邦电力技术股份有限公司 Anti-electricity-theft electric energy meter

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