CN114545071A - Credible metering network of electric power system - Google Patents

Credible metering network of electric power system Download PDF

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Publication number
CN114545071A
CN114545071A CN202210112374.7A CN202210112374A CN114545071A CN 114545071 A CN114545071 A CN 114545071A CN 202210112374 A CN202210112374 A CN 202210112374A CN 114545071 A CN114545071 A CN 114545071A
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module
metering
electric energy
power system
data
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李未
陈辞
石华
包以赳
黄靖雯
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Kunming Yiyun Electric Power Technology Co ltd
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Kunming Yiyun Electric Power Technology Co ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R22/00Arrangements for measuring time integral of electric power or current, e.g. electricity meters
    • G01R22/06Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
    • G01R22/061Details of electronic electricity meters
    • G01R22/063Details of electronic electricity meters related to remote communication
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R22/00Arrangements for measuring time integral of electric power or current, e.g. electricity meters
    • G01R22/06Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
    • G01R22/061Details of electronic electricity meters
    • G01R22/066Arrangements for avoiding or indicating fraudulent use
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R22/00Arrangements for measuring time integral of electric power or current, e.g. electricity meters
    • G01R22/06Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
    • G01R22/061Details of electronic electricity meters
    • G01R22/068Arrangements for indicating or signaling faults
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/28Databases characterised by their database models, e.g. relational or object models
    • G06F16/284Relational databases
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/06Energy or water supply
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/128Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment involving the use of Internet protocol

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Databases & Information Systems (AREA)
  • Theoretical Computer Science (AREA)
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  • General Business, Economics & Management (AREA)
  • Water Supply & Treatment (AREA)
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  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

The invention discloses a credible metering network of an electric power system in the technical field of electric power system metering, comprising a plurality of metering devices, wherein the metering devices are respectively arranged at two ends of a branch line between a main line and a transformer and two ends of a load lead between the transformer and a load, and the metering devices are connected with a background monitoring terminal through internet signals. The metering accuracy of the power system is ensured.

Description

Credible metering network of electric power system
Technical Field
The invention relates to the technical field of electric power system metering, in particular to a credible metering network of an electric power system.
Background
The electric power system is an electric energy production and consumption system which consists of links such as a power plant, a power transmission and transformation line, a power supply and distribution station, power utilization and the like. The function of the device is to convert the primary energy of the nature into electric energy through a power generation device, and then supply the electric energy to each user through power transmission, power transformation and power distribution. In order to realize the function, the power system is also provided with corresponding information and control systems at each link and different levels, and the production process of the electric energy is measured, regulated, controlled, protected, communicated and scheduled so as to ensure that users obtain safe and high-quality electric energy.
An electric energy metering device in an electric power system is an electric energy metering appliance used for electric power enterprise trade settlement and enterprise internal economic and technical index assessment, and comprises various types of electric energy meters, voltage transformers for metering, current transformers for metering, secondary circuits of the current transformers and the like. However, the existing electric power metering mode adopts more personnel to check the meter on the door, the consumed labor amount is large, meanwhile, the damage of the meter cannot be found in time, and the property loss caused by the electricity stealing condition cannot be found in time.
Therefore, the invention provides a credible metering network of an electric power system to solve the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a credible metering network of an electric power system, and solves the problems.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a credible measurement network of electric power system, includes a plurality of metering device, metering device installs respectively at branch circuit both ends between main line and the transformer and the load lead wire both ends between transformer and the load, metering device has backstage monitor terminal through internet signal connection, metering device includes:
electric energy metering module A and electric energy metering module B: the electric energy metering module A and the electric energy metering module B are used for metering electric energy of corresponding line positions;
a data acquisition module: the data acquisition module is used for acquiring data information of the electric energy metering module A and the electric energy metering module B;
a controller: the controller is used for processing data transmitted among the modules;
and a comparison module A: the comparison module is used for comparing the electric energy measured by the electric energy measuring module A and the electric energy measuring module B;
a GPS positioning module: the GPS positioning module is used for positioning the position of the metering device;
a data storage module: the data storage module is used for storing various data processed by the controller;
a networking module A: the networking module A is used for providing a networking function for the metering device;
a timing module: the timing module is used for controlling the data acquisition module to acquire the electric energy data metered by the electric energy metering module A and the electric energy metering module B at regular time;
an ammeter: the ammeter is used for detecting the current of the corresponding line position;
a voltmeter: the voltmeter is used for detecting the voltage of the corresponding line position;
the electric energy metering module A and the electric energy metering module B are in signal connection with a data acquisition module, the data acquisition module is in signal connection with a controller, and the controller is in signal connection with a comparison module, a GPS positioning module, a data storage module, a networking module A, a timing module, a current meter and a voltage meter.
Preferably, the background monitoring terminal includes:
a processor: the processor is used for receiving and processing the data information transmitted by the metering device;
a networking module B: the networking module B is used for providing a networking function for the background monitoring terminal;
a modeling module: the modeling module can establish a corresponding power system metering network model according to data provided by the metering device, so that the power system statistic conditions in different regions can be observed conveniently;
a database: the database is used for storing data sent by the metering device and data processed by the background monitoring terminal;
and a comparison module B: the comparison module B is used for comparing the electric energy measured by the measuring devices at two ends of the same line;
an alarm module: the alarm module is used for giving an alarm when the electric energy data is abnormal;
a display screen: the display screen is used for displaying the electric power system metering network model established by the modeling module, and operators can conveniently and visually know the electric power system statistic conditions in different areas.
Preferably, the processor is in signal connection with the networking module B, the alarm module, the display screen, the modeling module, the database and the comparison module B.
Preferably, the background monitoring terminal further comprises a firewall, the firewall is in signal connection with the networking module B, and the firewall is used for protecting the background monitoring terminal from being damaged by the trojan virus.
Preferably, the alarm module is one of a buzzer and an alarm lamp.
Preferably, the display screen is an LED liquid crystal display, and the LED liquid crystal display is high in definition, low in power consumption and long in service life.
Preferably, the database is a MySQL database.
Preferably, the alarm condition of the alarm is that the difference between the measured values of the electric energy measuring module a and the electric energy measuring module B in the same measuring device is too large, the difference between the measured values of the electric energy measured by the measuring devices at two ends of the same line is too large, and the data of the current meter and the voltage meter exceeds the threshold value.
Advantageous effects
The invention provides a trusted metering network of an electric power system. Compared with the prior art, the method has the following beneficial effects:
(1) the electric power system credible metering network simultaneously meters electric energy to the same point through an electric energy metering module A and an electric energy metering module B in a metering device, avoids metering data errors caused by damage of one energy metering module, a timing module controls a data acquisition module to acquire the metering data of the electric energy metering module A and the electric energy metering module B at regular time, a comparison module A compares the data acquired by the electric energy metering module A and the electric energy metering module B, when the difference between the metering data of the electric energy metering module A and the metering data of the electric energy metering module B is overlarge, one electric energy metering module is damaged, the metering device is connected with the Internet through a networking module A so as to be connected with a background monitoring terminal, an alarm module in the background monitoring terminal gives an alarm to prompt a worker, and the worker judges the position of the corresponding metering device according to the positioning provided by a GPS module in the corresponding metering device, therefore, an electrician is dispatched to detect, the metering accuracy of the power system is guaranteed, meanwhile, the ammeter and the voltmeter can detect the current and voltage of the line, and the line fault condition can be found in time.
(2) This credible measurement network of electric power system, contrast module B contrasts the metering number value of the metering device at same circuit both ends among the monitor terminal, when metering number value difference of the metering device at same circuit both ends was too big, then judge that there is the action of stealing electricity in the middle part of the circuit, alarm module sends the warning, the warning staff, thereby the electric quantity loss that the action of stealing electricity caused has been avoided, the loss of property has effectively been avoided, the modeling module that sets up simultaneously can be modelled the electric quantity data that the metering device gathered, establish the electric power system measurement network model that corresponds, thereby be convenient for observe different regional electric power system statistics amount situations.
Drawings
FIG. 1 is a schematic view of the metering device installation of the present invention;
FIG. 2 is a block diagram of the metering device of the present invention;
FIG. 3 is a block diagram of a background monitor terminal according to the present invention;
fig. 4 is a schematic diagram of the connection between the metering device and the background monitoring terminal of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
referring to fig. 1-4, a trusted metering network for an electrical power system includes a plurality of metering devices, the metering devices are respectively installed at two ends of a branch line between a main line and a transformer and at two ends of a load lead between the transformer and a load, the metering devices are connected with a background monitoring terminal through internet signals, and the metering devices include:
electric energy metering module A and electric energy metering module B: the electric energy metering module A and the electric energy metering module B are used for metering electric energy of corresponding line positions;
a data acquisition module: the data acquisition module is used for acquiring data information of the electric energy metering module A and the electric energy metering module B;
a controller: the controller is used for processing data transmitted among the modules;
and a comparison module A: the comparison module is used for comparing the electric energy measured by the electric energy measuring module A and the electric energy measuring module B;
a GPS positioning module: the GPS positioning module is used for positioning the position of the metering device;
a data storage module: the data storage module is used for storing various data processed by the controller;
a networking module A: the networking module A is used for providing a networking function for the metering device;
a timing module: the timing module is used for controlling the data acquisition module to acquire the electric energy data measured by the electric energy measurement module A and the electric energy measurement module B at regular time;
an ammeter: the ammeter is used for detecting the current magnitude of the corresponding line position;
a voltmeter: the voltmeter is used for detecting the voltage of the corresponding line position;
the electric energy metering module A and the electric energy metering module B are in signal connection with a data acquisition module, the data acquisition module is in signal connection with a controller, and the controller is in signal connection with a comparison module, a GPS positioning module, a data storage module, a networking module A, a timing module, a current meter and a voltage meter.
The backstage monitor terminal includes:
a processor: the processor is used for receiving and processing the data information transmitted by the metering device;
a networking module B: the networking module B is used for providing a networking function for the background monitoring terminal;
a modeling module: the modeling module can establish a corresponding power system metering network model according to data provided by the metering device, so that the power system statistic conditions in different regions can be observed conveniently;
a database: the database is used for storing data sent by the metering device and data processed by the background monitoring terminal;
and a comparison module B: the comparison module B is used for comparing the electric energy measured by the measuring devices at two ends of the same line;
an alarm module: the alarm module is used for giving an alarm when the electric energy data is abnormal;
a display screen: the display screen is used for displaying the electric power system metering network model established by the modeling module, and operators can conveniently and visually know the electric power system statistic conditions in different areas.
The processor is in signal connection with the networking module B, the alarm module, the display screen, the modeling module, the database and the comparison module B; the background monitoring terminal also comprises a firewall, the firewall is in signal connection with the networking module B, and the firewall is used for protecting the background monitoring terminal from being damaged by Trojan horse viruses; the alarm module is one of a buzzer and an alarm lamp; the display screen is an LED liquid crystal display which has high definition, low power consumption and long service life; the database is a MySQL database; the alarm conditions of the alarm are that the difference between the measured values of the electric energy measuring module A and the electric energy measuring module B in the same measuring device is overlarge, the difference between the measured values of the electric energy measured by the measuring devices at two ends of the same line is overlarge, and the data of a current meter and a voltage meter exceed the threshold value.
And those not described in detail in this specification are well within the skill of those in the art.
When the intelligent metering device works, firstly, the metering device is arranged at two ends of a branch line between a main line and a transformer and two ends of a load lead between the transformer and a load, an electric energy metering module A and an electric energy metering module B in the metering device simultaneously meter electric energy at the same point, so that the phenomenon that metering data is wrong due to the fact that one of the energy metering modules is damaged is avoided, a timing module controls a data acquisition module to acquire metering data of the electric energy metering module A and the electric energy metering module B at regular time, a comparison module A compares the data acquired by the electric energy metering module A and the data acquired by the electric energy metering module B, when the difference between the metering values of the electric energy metering module A and the electric energy metering module B is overlarge, one of the electric energy metering modules is damaged, the metering device is connected with the Internet through a networking module A so as to be connected with a background monitoring terminal, and an alarm module in the background monitoring terminal gives an alarm, prompting a worker, wherein the worker judges the position of the corresponding metering device according to the positioning provided by the GPS module in the corresponding metering device, so that an electrician is dispatched to detect, and when the numerical values of the ammeter and the voltmeter exceed the preset threshold values, the alarm module in the background monitoring terminal can also give an alarm; meanwhile, the comparison module B in the background monitoring terminal can compare the metering values of the metering devices at two ends of the same line, when the metering value difference of the metering devices at two ends of the same line is too large, the middle part of the line is judged to have electricity stealing behavior, the alarm module gives an alarm, and the alarm worker is warned, so that the electric quantity loss caused by the electricity stealing behavior is avoided, property loss is effectively avoided, the modeling module which is arranged at the same time can model the electric quantity data collected by the metering devices, a corresponding electric power system metering network model is established, and the electric power system metering quantity conditions of different regions can be observed conveniently.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A trusted metering network for an electrical power system, comprising: a plurality of metering device, metering device installs the branch line both ends between main line and transformer and the load lead wire both ends between transformer and the load respectively, metering device has backstage monitor terminal through internet signal connection, metering device includes:
electric energy metering module A and electric energy metering module B: the electric energy metering module A and the electric energy metering module B are used for metering electric energy of corresponding line positions;
a data acquisition module: the data acquisition module is used for acquiring data information of the electric energy metering module A and the electric energy metering module B;
a controller: the controller is used for processing data transmitted among the modules;
and a comparison module A: the comparison module is used for comparing the electric energy measured by the electric energy measuring module A and the electric energy measuring module B;
a GPS positioning module: the GPS positioning module is used for positioning the position of the metering device;
a data storage module: the data storage module is used for storing various data processed by the controller;
the networking module A: the networking module A is used for providing a networking function for the metering device;
a timing module: the timing module is used for controlling the data acquisition module to acquire the electric energy data metered by the electric energy metering module A and the electric energy metering module B at regular time;
an ammeter: the ammeter is used for detecting the current of the corresponding line position;
a voltmeter: the voltmeter is used for detecting the voltage of the corresponding line position;
the electric energy metering module A and the electric energy metering module B are in signal connection with a data acquisition module, the data acquisition module is in signal connection with a controller, and the controller is in signal connection with a comparison module, a GPS positioning module, a data storage module, a networking module A, a timing module, a current meter and a voltage meter.
2. The trusted metering network of an electric power system of claim 1, wherein: the background monitoring terminal comprises:
a processor: the processor is used for receiving and processing the data information transmitted by the metering device;
a networking module B: the networking module B is used for providing a networking function for the background monitoring terminal;
a modeling module: the modeling module can establish a corresponding power system metering network model according to data provided by the metering device, so that the power system statistic conditions in different regions can be observed conveniently;
a database: the database is used for storing data sent by the metering device and data processed by the background monitoring terminal;
and a comparison module B: the comparison module B is used for comparing the electric energy measured by the measuring devices at two ends of the same line;
an alarm module: the alarm module is used for giving an alarm when the electric energy data is abnormal;
a display screen: the display screen is used for displaying the electric power system metering network model established by the modeling module, and operators can conveniently and visually know the electric power system statistic conditions in different areas.
3. The trusted metering network of the power system of claim 2, wherein: the processor is in signal connection with the networking module B, the alarm module, the display screen, the modeling module, the database and the comparison module B.
4. The trusted metering network of the power system according to claim 2, wherein: the background monitoring terminal further comprises a firewall, the firewall is in signal connection with the networking module B, and the firewall is used for protecting the background monitoring terminal from being damaged by Trojan horse viruses.
5. The trusted metering network of the power system according to claim 2, wherein: the alarm module is one of a buzzer and an alarm lamp.
6. The trusted metering network of the power system according to claim 2, wherein: the display screen is an LED liquid crystal display.
7. The trusted metering network of the power system according to claim 2, wherein: the database is a MySQL database.
8. The trusted metering network of the power system according to claim 2, wherein: the alarm conditions of the alarm are that the difference between the measured values of the electric energy measuring module A and the electric energy measuring module B in the same measuring device is overlarge, the difference between the measured values of the electric energy measured by the measuring devices at two ends of the same line is overlarge, and the data of a current meter and a voltage meter exceed the threshold value.
CN202210112374.7A 2022-01-29 2022-01-29 Credible metering network of electric power system Pending CN114545071A (en)

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Citations (5)

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Publication number Priority date Publication date Assignee Title
CN101266263A (en) * 2008-05-10 2008-09-17 珠海市华优电气技术有限公司 Electric power metrological supervision system and supervision method
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Publication number Priority date Publication date Assignee Title
CN101266263A (en) * 2008-05-10 2008-09-17 珠海市华优电气技术有限公司 Electric power metrological supervision system and supervision method
US20130057255A1 (en) * 2010-05-18 2013-03-07 Wuhan Guoce Science & Technology Co., Ltd. Integrated device suspended at high voltage potential for power energy metering and protection of distribution network
CN207938972U (en) * 2018-03-28 2018-10-02 吉林市安瑞克电气科技有限责任公司 A kind of intelligent monitor system applied to box-type substation
CN109613329A (en) * 2018-12-25 2019-04-12 国网湖南省电力有限公司 A kind of fine line loss analysis system
CN111024994A (en) * 2020-02-17 2020-04-17 徐伟航 Intelligent service electric energy meter based on Internet of things

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