CN114167185A - Intelligent monitoring and analyzing auxiliary management system for line loss of 10kV and below - Google Patents

Intelligent monitoring and analyzing auxiliary management system for line loss of 10kV and below Download PDF

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Publication number
CN114167185A
CN114167185A CN202111481662.1A CN202111481662A CN114167185A CN 114167185 A CN114167185 A CN 114167185A CN 202111481662 A CN202111481662 A CN 202111481662A CN 114167185 A CN114167185 A CN 114167185A
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line
line loss
module
data
analysis
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陈世炳
倪达
苏毅明
符杰
邢文冠
潘晶晶
王斌
林金山
罗雁
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Hainan Power Grid Co Ltd
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Hainan Power Grid Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof

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  • General Physics & Mathematics (AREA)
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Abstract

The invention provides an intelligent monitoring, analyzing and auxiliary management system for line loss of 10kV and below, which comprises a 10kV line comprehensive line loss data acquisition module, a 10kV line loss data acquisition module, a 0.4kV public transformer station area line loss data acquisition module, a master station terminal, a first data link, a second data link and a third data link, wherein the master station terminal is provided with a metering data module, a line loss analysis module and an auxiliary decision module, the metering data module is used for metering data acquired by the 10kV line comprehensive line loss data acquisition module, the 10kV line loss data acquisition module and the 0.4kV public transformer station area line loss data acquisition module, the line loss analysis module is used for analyzing metering data from the metering data module, and the auxiliary decision module is used for sending decision opinions according to a metering data result analyzed by the line loss analysis module. The system can analyze the line loss of the line of 10kV or below and give out the decision suggestion of the line loss according to the analysis result.

Description

Intelligent monitoring and analyzing auxiliary management system for line loss of 10kV and below
Technical Field
The invention relates to the technical field of power grid line loss analysis, in particular to an intelligent monitoring and analyzing auxiliary management system for line loss of 10kV or below.
Background
With the vigorous development of electric power, a plurality of 10kV line integrated circuits, 10kV line circuits and 0.4kV public transformer area circuits are interwoven into an electric power network, the electric power network can be ensured to run stably, however, line loss of different lines is still managed by electric power maintenance personnel of all levels in different districts, when line loss occurs, manual detection maintenance is usually carried out by the line maintenance personnel, then line loss maintenance is carried out, nonstandard decision of manual maintenance can cause secondary damage of the electric power network, and the manual maintenance process not only needs huge manpower and material resources, but also has the problem of low line loss maintenance efficiency.
Disclosure of Invention
Therefore, the present invention is to provide an auxiliary management system for intelligent monitoring and analysis of line loss of 10kV and below, so as to solve at least the above problems.
The technical scheme adopted by the invention is as follows:
the intelligent monitoring and analyzing auxiliary management system for the line loss of 10kV and below comprises a 10kV line comprehensive line loss data acquisition module, a 10kV line loss data acquisition module, a 0.4kV public transformer station area line loss data acquisition module, a main station terminal, a first data link, a second data link and a third data link, wherein the 10kV line comprehensive line loss data acquisition module is in communication connection with the main station terminal through the first data link, the 10kV line loss data acquisition module is in check and record communication connection with the main station terminal through the second data link, the 0.4kV public transformer station area line loss data acquisition module is in communication connection with the main station terminal through the third data link, the main station terminal is provided with a metering data module, a line loss analysis module and an auxiliary decision module, and the metering data module is used for metering data acquired by the 10kV line comprehensive line loss data acquisition module, the 10kV line loss data acquisition module and the 0.4kV public transformer station area line loss data acquisition module, the line loss analysis module is used for analyzing the metering data from the metering data module, and the auxiliary decision module is used for sending decision opinions according to the metering data result analyzed by the line loss analysis module.
Furthermore, the auxiliary decision module generates a processing work order template according to data analysis results of the 10kV line comprehensive line loss analysis module, the 10kV line loss analysis module and the 0.4kV public transformer area line loss analysis module, and the processing work order template is attached with line loss reasons, line loss positions, line loss processing time limits and line loss processing specifications.
Furthermore, the master station terminal comprises a checking module, and the checking module is used for positioning and monitoring the gateway table of the user and transferring the user gateway table file when the user sends out a line change requirement and a user change requirement to the master station terminal.
Further, the first data link, the second data link and the third data link all have asymmetric encryption algorithms for data encryption.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides an intelligent monitoring and analyzing auxiliary management system for line loss of 10kV and below, which is characterized in that data acquired by a 10kV line comprehensive line loss data acquisition module, a 10kV line loss data acquisition module and a 0.4kV public transformer area line loss data acquisition module are respectively transmitted to a main station terminal through a first data link, a second data link and a third data link, and then decision suggestions of different line loss are made through the measurement and analysis of a measurement data module, a line loss analysis module and an auxiliary decision module of the main station terminal.
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In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is apparent that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without inventive efforts.
Fig. 1 is a schematic view of an overall structure of an intelligent monitoring, analyzing and auxiliary management system for line loss of 10kV and below according to an embodiment of the present invention.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, the illustrated embodiments are provided to illustrate the invention and not to limit the scope of the invention.
Referring to fig. 1, the invention provides an intelligent monitoring and analysis auxiliary management system for line loss of 10kV and below, which comprises a 10kV line comprehensive line loss data acquisition module, a 10kV line loss data acquisition module, a 0.4kV public transformer area line loss data acquisition module, a master station terminal, a first data link, a second data link and a third data link, wherein the 10kV line comprehensive line loss data acquisition module is in communication connection with the master station terminal through the first data link, the 10kV line loss data acquisition module is in check and record communication connection with the master station terminal through the second data link, the 0.4kV public transformer area line loss data acquisition module is in communication connection with the master station terminal through the third data link, the master station terminal is provided with a metering data module, a line loss analysis module and an auxiliary decision module, and the metering data module is used for metering the 10kV line comprehensive line loss data acquisition module, The line loss data acquisition module of 10kV circuit and the public transformer station district line loss data acquisition module of 0.4kV data of gathering, line loss analysis module is used for the analysis to come from the measurement data of measurement data module, the supplementary decision-making module is used for sending the decision suggestion according to the measurement data result of line loss analysis module analysis.
Illustratively, data acquired by a 10kV line comprehensive line loss data acquisition module, a 10kV line loss data acquisition module and a 0.4kV public transformer area line loss data acquisition module respectively pass through a first data link, a second data link and a third data link to a master station terminal, and then decision opinions of different line losses are made through metering and analyzing of a metering data module, a line loss analysis module and an auxiliary decision module of the master station terminal.
Line loss data acquisition module is synthesized to 10kV circuit is used for gathering 10kV circuit comprehensive line pass table, 10kV circuit comprehensive power factor and the data of 10kV circuit comprehensive current three-phase balance rate, 10kV circuit line loss data acquisition module is used for gathering 10kV circuit line loss pass table, 10kV circuit power factor and 10kV circuit current three-phase balance rate's data, 0.4kV public transformer station district line loss data acquisition module is used for gathering 0.4kV public transformer station pass table, 0.4kV public transformer station district load factor and 0.4kV public transformer station district current three-phase balance rate's data.
Illustratively, the metering module collects data of a 10kV line comprehensive line gate table, a 10kV line comprehensive power factor and a 10kV line comprehensive current three-phase balance rate, collects data of a 10kV line loss gate table, a 10kV line power factor and a 10kV line current three-phase balance rate, collects data of a 0.4kV public transformer area gate table, a 0.4kV public transformer area load rate and a 0.4kV public transformer area current three-phase balance rate, performs batch calculation, obtains metering data of each line through batch calculation, compares the metering data with a line loss data rule set by a main station terminal, and determines the reason of line loss through comparison; and a line loss data rule is set by a system manager according to the comparison data of the power factor, the current three-phase balance rate and the load rate of each line when the power is normally operated, and when the acquired power factor, current three-phase balance rate and load rate exceed or are lower than the normal power factor, current three-phase balance rate and load rate, the line loss of the line is shown.
The main station terminal comprises a positioning module, the metering data module is used for respectively positioning a 10kV line comprehensive line gateway table, a 10kV line loss gateway table and a 0.4kV public transformer area gateway table through the positioning module, and completing data metering of a 10kV line comprehensive power factor, a 10kV line comprehensive current three-phase balance rate, a 10kV line power factor, a 10kV line current three-phase balance rate, a 0.4kV public transformer area load rate and a 0.4kV public transformer area current three-phase balance rate.
For example, for a line with line loss, a gateway table in each line can be positioned through a positioning module, and data measurement of a line power factor, a line current three-phase balance rate and a load rate of each line is completed, so that the geographic position of the line loss and the data of which line have problems can be confirmed, and further, line loss repair can be performed conveniently by power maintenance personnel.
Line loss analysis module includes 10kV circuit integrated line loss analysis module, 10kV circuit line loss analysis module and 0.4kV public transformer district line loss analysis module, 10kV circuit integrated line loss analysis module passes through 10kV circuit integrated line loss extraction threshold and gathers the data analysis that the rule was accomplished to 10kV circuit integrated power factor, 10kV circuit integrated current three-phase balance rate, 10kV circuit line loss analysis module gathers the analysis that the rule was accomplished to 10kV circuit power factor and 10kV circuit current three-phase balance rate data through 10kV circuit line loss extraction threshold, 0.4kV public transformer district line loss analysis module accomplishes the data analysis to 0.4kV public transformer district load factor and 0.4kV public transformer district current three-phase balance rate through 0.4kV public transformer district line loss extraction threshold.
Exemplarily, data exceeding or lower than a normal power factor, a current three-phase balance rate and a load rate are screened out through a 10kV line comprehensive line loss analysis module, a 10kV line loss analysis module and a 0.4kV public transformer area line loss analysis module through an extraction threshold value acquisition rule, and specific data exceeding or lower than a normal standard of the factor power, the current three-phase balance rate and the load rate are determined, specifically, the 10kV line comprehensive line loss analysis module and the 10kV line loss analysis module are also used for line gate analysis, namely, a meter reading date, a meter reading period and a meter reading mode are carried out; analyzing the operation condition (whether a fault exists) of the metering device; analyzing a line power factor and a current three-phase balance rate in a time period; line customer analysis: analyzing the meter reading date, the meter reading period and the meter reading mode of the customer; remote infrared meter reading but zero electric quantity customer analysis; analyzing the electricity-free customers for a long time; analyzing the client with large electric quantity fluctuation in a time period; new loads archived at the same month in the meter reading example day before but not released for customer analysis; analyzing power factors of a special transformer client and a public transformer area; analyzing the three-phase unbalance rate of the public transformer area; analyzing the load rate of the public transformer area; analyzing the running condition of the client metering device; and analyzing the correctness of the client transformation ratio configuration. 0.4kV public transformer station district line loss analysis module still is used for platform district gateway analysis: namely, analyzing the meter reading date, the meter reading period and the meter reading mode; analyzing the operation condition (whether a fault exists) of the metering device; analyzing the conditions of the load rate, the current three-phase balance rate and the like of the distribution room in a time period; and (3) analyzing the platform area customers: analyzing the meter reading date, the meter reading period and the meter reading mode of the customer; remote infrared meter reading but zero electric quantity customer analysis; analyzing the electricity-free customers for a long time; analyzing the client with large electric quantity fluctuation in a time period; new loads archived at the same month in the meter reading example day before but not released for customer analysis; analyzing the operation condition (whether a fault exists) of the customer metering device; analyzing the correctness of the customer transformation ratio configuration; returning and supplementing electric quantity, correcting the electric quantity and analyzing by a meter changing client; and (5) analyzing the user-changing relationship. Can screen 10kV circuit, the power consumption in 0.4kV district customer time quantum, load factor change and 10kV circuit, the relation between 0.4kV district line loss change, can focus on screening which customer's power change influences 10kV circuit, 0.4kV district line loss rate, thereby the power consumption condition to the pertinent heavy customer is analyzed.
The auxiliary decision-making module generates a processing work order template according to data analysis results of the 10kV line comprehensive line loss analysis module, the 10kV line loss analysis module and the 0.4kV public transformer area line loss analysis module, and line loss reasons, line loss positions, line loss processing time limits and line loss processing specifications are attached to the processing work order template.
Illustratively, the 10kV line comprehensive line loss analysis module, the 10kV line loss analysis module and the 0.4kV public transformer station area line loss analysis module analyze the line loss reasons of the 10kV line comprehensive line, the 10kV line comprehensive line and the 0.4kV public transformer station area line by attaching specific data of the factor power, the current three-phase balance rate and the load rate of each line, which exceed or are lower than normal standards, on a processing work order template, and then the power maintenance personnel complete line loss repair according to line loss processing specifications within a line loss processing time limit according to the geographical positions of the gateway tables of the 10kV line comprehensive line, the 10kV line comprehensive line and the 0.4kV public transformer station area line,
the master station terminal comprises a checking module, and the checking module is used for positioning and monitoring the gateway table of the user and transferring the user gateway table file when the user sends out the line change and user change requirements to the master station terminal.
Illustratively, in order to reduce the error of line loss caused by human factors, when a user performs line change and user change, the troubleshooting module locates the user's gateway table through the positioning module, and sends a signal instruction for processing a work order to the master station terminal, and meanwhile, the migration of the user's gateway table file is completed on the master station terminal.
And the first data link, the second data link and the third data link are all provided with an asymmetric encryption algorithm for encrypting data. Illustratively, data is encrypted through an asymmetric encryption algorithm, so that the data security can be ensured, and the data security problem that lawless persons steal data is avoided.
The individual lines can be understood as 10kV line complex lines, 10kV line lines and 0.4kV transformer station area lines. The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (7)

1.10kV and following line loss intelligent monitoring analysis auxiliary management system, a serial communication port, the system includes 10kV circuit comprehensive line loss data acquisition module, 10kV circuit line loss data acquisition module, 0.4kV public transformer district line loss data acquisition module, main website terminal, first data link, second data link and third data link, 10kV circuit comprehensive line loss data acquisition module establishes communication connection with main website terminal through first data link, 10kV circuit line loss data acquisition module examines and records communication connection with main website terminal through second data link, 0.4kV public transformer district line loss data acquisition module establishes communication connection with main website terminal through third data link, main website terminal is equipped with measurement data module, line loss analysis module and auxiliary decision-making module, measurement data module is used for measuring 10kV circuit comprehensive line loss data acquisition module, The line loss data acquisition module of 10kV circuit and the public transformer station district line loss data acquisition module of 0.4kV data of gathering, line loss analysis module is used for the analysis to come from the measurement data of measurement data module, the supplementary decision-making module is used for sending the decision suggestion according to the measurement data result of line loss analysis module analysis.
2. The intelligent monitoring and analysis auxiliary management system for line loss of 10kV and below according to claim 1, wherein the 10kV line comprehensive line loss data acquisition module is used for acquiring data of a 10kV line comprehensive line gate table, a 10kV line comprehensive power factor and a 10kV line comprehensive current three-phase balance rate, the 10kV line loss data acquisition module is used for acquiring data of the 10kV line comprehensive line gate table, the 10kV line power factor and the 10kV line current three-phase balance rate, and the 0.4kV public transformer area line loss data acquisition module is used for acquiring data of a 0.4kV public transformer area gate table, a 0.4kV public transformer area load rate and a 0.4kV public transformer area current three-phase balance rate.
3. The intelligent monitoring and analysis auxiliary management system for line loss of 10kV and below according to claim 2, wherein the master station terminal comprises a positioning module, the metering data module is used for positioning a 10kV line comprehensive line gateway table, a 10kV line loss gateway table and a 0.4kV public transformer area gateway table through the positioning module respectively, and completing data metering of a 10kV line comprehensive power factor, a 10kV line comprehensive current three-phase balance rate, a 10kV line power factor, a 10kV line current three-phase balance rate, a 0.4kV public transformer area load rate and a 0.4kV public transformer area current three-phase balance rate.
4. The intelligent line loss monitoring and analyzing auxiliary management system for 10kV and below according to claim 3, it is characterized in that the line loss analysis module comprises a 10kV line comprehensive line loss analysis module, a 10kV line loss analysis module and a 0.4kV public transformer area line loss analysis module, the 10kV line comprehensive line loss analysis module completes data analysis on 10kV line comprehensive power factor and 10kV line comprehensive current three-phase balance rate through a 10kV line comprehensive line loss extraction threshold value acquisition rule, the 10kV line loss analysis module analyzes the 10kV line power factor and 10kV line current three-phase balance rate data according to a 10kV line loss extraction threshold value acquisition rule, and the 0.4kV public transformer area line loss analysis module completes data analysis on the load rate of the 0.4kV public transformer area and the current three-phase balance rate of the 0.4kV public transformer area through a 0.4kV public transformer area line loss extraction threshold acquisition rule.
5. The intelligent monitoring and analysis auxiliary management system for line loss of 10kV and below according to claim 4, wherein the auxiliary decision module generates a processing work order template according to data analysis results of the 10kV line comprehensive line loss analysis module, the 10kV line loss analysis module and the 0.4kV public transformer station area line loss analysis module, and the processing work order template is attached with line loss reasons, line loss positions, line loss processing time limits and line loss processing specifications.
6. The intelligent monitoring and analysis auxiliary management system for line loss of 10kV and below according to claim 5, wherein the master station terminal comprises a troubleshooting module, and the troubleshooting module is used for positioning and monitoring a gateway table of a user and transferring a user gateway table file when the user sends out a line change and a user change requirement to the master station terminal.
7. The intelligent monitoring and analysis auxiliary management system for line loss of 10kV and below according to claim 1, wherein the first data link, the second data link and the third data link are encrypted by an asymmetric encryption algorithm.
CN202111481662.1A 2021-12-06 2021-12-06 Intelligent monitoring and analyzing auxiliary management system for line loss of 10kV and below Pending CN114167185A (en)

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CN105486946A (en) * 2015-11-23 2016-04-13 中国南方电网有限责任公司 10kV line energy-saving evaluation method
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WO2020147349A1 (en) * 2019-01-14 2020-07-23 中国电力科学研究院有限公司 Power distribution network operation aided decision-making analysis system and method
CN111985794A (en) * 2020-07-31 2020-11-24 广东卓维网络有限公司 Line loss management method based on marketing and distribution information integration platform
CN112685885A (en) * 2020-12-25 2021-04-20 青岛鼎信通讯股份有限公司 Transformer area line loss analysis method for comprehensive big data analysis

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101593978A (en) * 2009-06-30 2009-12-02 深圳市科陆电子科技股份有限公司 A kind of to high and low voltage line loss of distribution network analytical method and analytical system
CN104200302A (en) * 2014-08-04 2014-12-10 国家电网公司 Technical framework and method for power enterprise simultaneous line loss management
CN105486946A (en) * 2015-11-23 2016-04-13 中国南方电网有限责任公司 10kV line energy-saving evaluation method
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
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