CN113449266B - Closed loop power supply statistical method based on hand-in-hand line - Google Patents
Closed loop power supply statistical method based on hand-in-hand line Download PDFInfo
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Abstract
The invention discloses a loop closing power supply statistical method based on a hand-in-hand line, which comprises the following steps: step one, data statistics; step two, data display analysis; according to the invention, the maintenance ticket of the loop closing power supply can be obtained through the maintenance ticket data, and analysis and statistics are carried out; the CIM model of the distribution network is imported, or the line attribute (hand-in) is modified after the CIM model is imported, the topological structure is analyzed, the hand-in line is counted, the scheduling personnel can intuitively study data from multiple dimensions, the probability of risk occurrence is reduced, the feasibility of power supply by switching in and switching out of the hand-in is improved, the power failure time and the power supply times can be effectively reduced, the power supply stability level is ensured, the management level and the working efficiency of power distribution scheduling operation are comprehensively enhanced, the CIM model is an important reference object for power supply operation by switching in and switching out of the hand-in, and the economic benefit of power grid operation can be improved.
Description
Technical Field
The invention relates to the technical field of power grid data statistics, in particular to a loop closing-to-power supply statistical method based on a hand-in-hand line.
Background
In the prior art, since the scale of the power grid is obviously increased, most of urban and rural 10kV distribution networks are arranged in a ring network mode, the purpose of power supply is achieved through operation of hand-held lines, most of 10kV lines can realize mutual power supply of two by two, further, the mutual power supply among a plurality of 10kV lines can be realized, if the distribution network is in an overhaul state, the accident problem can be solved only by normally requiring the line to be disconnected, when the mode of closing the ring by hand-held lines is adopted, the step of disconnecting the line can be reduced, load transfer can be directly completed, so that the reliability of the power supply of the distribution network is effectively increased, but the potential safety hazard of the power grid is easily increased at a high speed by arbitrarily closing the ring by the hand-held lines, because workers master the operation situation of the closed ring, whether the closed ring treatment is feasible or not is difficult to be confirmed without errors, the voltage is unstable after the closed ring is closed or overcurrent causes overload and tripping of partial equipment, and a zone phenomenon is caused; in view of this, it is necessary to count the power supply data of the loop closing and turning of the hand-in-hand line in time, so as to conveniently and reasonably arrange the power supply mode of the loop closing and turning.
At present, networks with power supply structures at two ends are seldom analyzed abroad, because most of the abroad operations are realized through measures of ring network wiring, the ring network closing frame structure is in a perfect stage and has enough theoretical experience, the center of gravity can be placed in the generation of analysis circulating current, and the practice in the aspect of ring closing operation of a hand-in-hand line is not much, so that no related research is currently performed in the aspect of ring closing power supply data statistics; the domestic 10kV line hand-in-hand loop switching power supply measures are not studied deeply, most of the measures are studied again according to the defects found after loop closing, and because the measures are only carried out from China in recent years, a system capable of integrating data in multiple directions is not available for counting the loop switching power supply based on the hand-in-hand line.
In combination with the background of power supply in China, the fact that electric workers are difficult to intuitively and comprehensively observe the loop closing power supply data of the hand-held lines is considered, and a set of system for visually and comprehensively counting various data related to loop closing power supply of the hand-held lines is necessary to be developed.
Disclosure of Invention
The invention aims to provide a loop closing rotation power supply statistical method based on a hand-in-hand line, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a loop closing power supply statistical method based on a hand-in-hand line comprises the following steps: step one, data statistics; step two, data display analysis;
in the first step, the data statistics procedure is as follows:
1) And (5) loop closing power supply statistics: the method comprises the steps of obtaining service ticket information of closed loop power supply through power failure service ticket data pushed by a power management system and power failure service ticket circulation conditions of a power distribution management system, and analyzing and counting the closed loop power supply conditions of a plurality of power supply offices, wherein the specific flow is as follows;
a. the statistical conditions are displayed in a list form, the line orders of the closed loop transfer supply lines of each unit in each month are counted, and the detail information of the power failure line can be checked by clicking the statistical data;
b. the number of users in the power outage of the power outage line is reduced by ring closing transfer, and the actual power outage duration is equal to the number of users in the power outage line; 8 months of reduction of average power outage time of users in the whole province=8 months of ring closing transfer supply reduction of the number of users per 240 thousands of users in the power outage; the average power outage time of the users in the whole province is reduced by 1-8 months, the number of users per 240 thousands of users when the power outage is reduced by 1-8 months of ring closing transfer supply; transfer line duty = transfer line total order in power outage line/line total order with hand condition in power outage line;
c. the non-terminal bill is not counted, and if a plurality of identical lines exist, the duplication of one maintenance bill is removed;
2) Counting hand-in-hand lines:
a. modifying line properties by importing a distribution network CIM model or after importing, analyzing a topological structure, and counting handhold lines;
b. establishing a hand-in-hand line relation library, and supporting new addition, importing and editing; and applies to other statistical modules through the relational database;
3) And (3) counting the power supply non-rotation condition: through the established hand-pulled collection relation library and the automatic identification maintenance single circuit, the circuit with the hand-pulled condition has the hand-pulled condition, if the circuit with the hand-pulled condition has an untransformed power supply circuit, the system automatically acquires the reason and writes the reason into the untransformed power supply reason for checking and statistics, and the flow is as follows;
a. the electric power management system pushes the maintenance list to automatically identify the manual receiving line through the manual relation library;
b. the module for increasing the condition of hand in the service bill comprises: "Power off line substation", "Power off line", "whether in hand", "hand line substation", "No hand reason explanation" for dispatch filling;
c. the explanation of the reason for the power supply which is not turned under the condition of having a hand and a handle is automatically acquired, so that the export, the retrieval and the check are supported;
in the second step, the data display analysis procedure is as follows:
1) And (3) analyzing the power failure to power supply condition of the 10kV line: acquiring service ticket information of power transfer through power failure service ticket data pushed by the power management system and power failure service ticket transfer conditions of the distribution network power distribution management system, and carrying out statistics display;
a. displaying a statistical table in the system according to the provided template;
b. the analysis table updates statistical information in real time according to the power failure maintenance circulation state, such as: the maintenance list is not terminated, the power supply is not terminated when the power supply is turned over, and the whole information mark is light yellow when the power supply is turned over and not terminated;
c. support to export, search, switch the statistics of last month, next month;
2) The developing condition of the loop closing of the 10kV line in the whole province: switching the statistical month by clicking [ upper month ] and [ lower month ] [ present month ], and clicking [ export ] to export the statistical result; the statistical time is customized by selecting [ time range ]; clicking the numbers on the table to check the detail information of the power failure overhaul document;
3) The condition of closing the ring and rotating the power supply handle: the module stores a hand-held line information table in each power supply office, and the system judges whether the power failure line has hand-held conditions or not according to the table.
According to the technical scheme, in the first step, the overhaul list supports the export of word and excel format files, and supports the switching and viewing of statistical information of each month and a certain time period.
According to the above technical scheme, in the first step, the statistics result of the statistics of the hand line supports the export of word and excel file formats.
According to the technical scheme, in the second step, the hand-in-hand line information table supports new addition, modification and deletion.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the maintenance ticket of the loop closing power supply can be obtained through the maintenance ticket data, and analysis and statistics are carried out; the CIM model of the distribution network is imported, or the line attribute (hand-in) is modified after the CIM model is imported, the topological structure is analyzed, the hand-in line is counted, the scheduling personnel can intuitively study data from multiple dimensions, the probability of risk occurrence is reduced, the feasibility of power supply by switching in and switching out of the hand-in is improved, the power failure time and the power supply times can be effectively reduced, the power supply stability level is ensured, the management level and the working efficiency of power distribution scheduling operation are comprehensively enhanced, the CIM model is an important reference object for power supply operation by switching in and switching out of the hand-in, and the economic benefit of power grid operation can be improved.
Drawings
FIG. 1 is a flow chart of the operation of the present invention;
FIG. 2 is a loop closing power supply statistics flow chart of the present invention;
FIG. 3 is a flow chart of the no-power-transfer condition analysis of the present invention;
FIG. 4 is a diagram of a hand-in-hand situation module architecture of the present invention;
FIG. 5 is a diagram showing a statistical structure of the closed loop transfer line orders of the present invention;
FIG. 6 is a detailed block diagram of a power outage line according to the present invention;
FIG. 7 is a diagram of the loop closing power supply development situation of the present invention;
FIG. 8 is a diagram showing statistical details of the loop closing power supply development situation of the present invention;
FIG. 9 is a diagram of the loop closing power supply development situation of the present invention;
FIG. 10 is a diagram showing statistical details of the loop closing power supply development situation of the present invention;
FIG. 11 is a diagram showing the construction of the power supply handle for the loop closing operation of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-11, the present invention provides a technical solution:
a loop closing power supply statistical method based on a hand-in-hand line comprises the following steps: step one, data statistics; step two, data display analysis;
in the first step, the data statistics procedure is as follows:
1) And (5) loop closing power supply statistics: the method comprises the steps of obtaining service ticket information of closed loop power supply through power failure service ticket data pushed by a power management system and power failure service ticket circulation conditions of a power distribution management system, and analyzing and counting the closed loop power supply conditions of a plurality of power supply offices, wherein the specific flow is shown in figure 2;
a. the statistical conditions are displayed in a list form, the line orders of the closed loop transfer supply lines of each unit in each month are counted, and the detail information of the power failure line can be checked by clicking the statistical data;
b. the number of users in power outage (ten thousand users) is reduced by ring closing transfer, and the actual power outage duration is equal to the number of the power outage users of the power outage line; 8 months to reduce average blackout time (hours) of users in the whole province, and 8 months to reduce the number of users (ten thousands of users)/240 ten thousands of users when blackout occurs; the average power failure time (hour) of the users in the whole province is reduced by 1-8 months, the number of users (ten thousands of users)/240 ten thousands of users is reduced by 1-8 months of ring closing transfer supply; transfer line duty = transfer line total order in power outage line/line total order with hand condition in power outage line;
c. the non-terminal bill is not counted, and if a plurality of identical lines exist, the duplication of one maintenance bill is removed;
2) Counting hand-in-hand lines:
a. analyzing the topological structure by importing a distribution network CIM model or modifying line properties (hand in hand) after importing, and counting the hand in hand lines;
b. establishing a hand-in-hand line relation library, and supporting new addition, importing and editing; and applies to other statistical modules through the relational database;
3) And (3) counting the power supply non-rotation condition: through the established hand-pulled collection relation library, the automatic identification maintenance single circuit has hand-pulled conditions, if the non-rotating power supply circuit exists on the circuit with the hand-pulled conditions, the system automatically acquires the reasons and writes the reasons into the non-rotating power supply reasons for checking and statistics, and the flow is shown in figure 3;
a. the electric power management system pushes the maintenance list to automatically identify the manual receiving line through the manual relation library;
b. the module for increasing the condition of hand in the service bill comprises: "Power off line substation", "Power off line", "whether in hand", "hand line substation", "No hand reason explanation" for dispatch filling;
c. the explanation of the reason for the power supply which is not turned under the condition of having a hand and a handle is automatically acquired, so that the export, the retrieval and the check are supported;
in the second step, the data display analysis procedure is as follows:
1) And (3) analyzing the power failure to power supply condition of the 10kV line: acquiring service ticket information of power transfer through power failure service ticket data pushed by the power management system and power failure service ticket transfer conditions of the distribution network power distribution management system, and carrying out statistics display;
a. displaying a statistical table in the system according to the provided template;
b. the analysis table updates statistical information in real time according to the power failure maintenance circulation state, such as: the maintenance list is not terminated, the power supply is not terminated when the power supply is turned over, and the whole information mark is light yellow when the power supply is turned over and not terminated;
c. support to export, search, switch the statistics of last month, next month;
2) The developing condition of the loop closing of the 10kV line in the whole province: switching the statistical month by clicking [ upper month ] and [ lower month ] [ present month ], and clicking [ export ] to export the statistical result; the statistical time is customized by selecting [ time range ]; clicking the numbers on the table to check the detail information of the power failure overhaul document;
3) The condition of closing the ring and rotating the power supply handle: the module stores a hand-held line information table in each power supply office, and the system judges whether the power failure line has hand-held conditions or not according to the table.
According to the technical scheme, in the first step, the overhaul list supports to export word and excel format files, and supports to switch and view statistical information of each month and a certain time period.
According to the technical scheme, in the first step, the statistical result of the statistical hand line supports the export of word and excel file formats.
According to the technical scheme, in the second step, the hand-held line information table supports new addition, modification and deletion.
Based on the above, the invention has the advantages that the invention can acquire the service ticket information of the closed loop power supply from the power failure service ticket data pushed by the power management system and the power failure service ticket circulation condition of the power distribution management system, realize statistics of the closed loop power supply, the hand-in line and the non-power supply condition, display the full-saving 10kV line closed loop developing condition and the closed loop power supply hand-in condition, analyze the 10kV line power supply condition and intuitively and comprehensively study the data; in consideration of the fact that a plurality of factors are combined when the loop closing power supply operation is carried out, the invention aims to avoid a certain risk and enable the loop closing power supply to play the maximum role, reduces the power failure time and times, improves the power quality and the power supply stability, integrally improves the operation management level and the efficiency of the power distribution network loop closing power supply, provides an evaluation basis for whether the follow-up dispatcher adopts the hand loop closing power supply operation or not, and plays an important reference role.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A loop closing power supply statistical method based on a hand-in-hand line comprises the following steps: step one, data statistics; step two, data display analysis; the method is characterized in that:
in the first step, the data statistics procedure is as follows:
1) And (5) loop closing power supply statistics: the method comprises the steps of obtaining service ticket information of closed loop power supply through power failure service ticket data pushed by a power management system and power failure service ticket circulation conditions of a power distribution management system, and analyzing and counting the closed loop power supply conditions of a plurality of power supply offices, wherein the specific flow is as follows;
a. the statistical conditions are displayed in a list form, the line orders of the closed loop transfer supply lines of each unit in each month are counted, and the detail information of the power failure line can be checked by clicking the statistical data;
b. the number of users in the power outage of the power outage line is reduced by ring closing transfer, and the actual power outage duration is equal to the number of users in the power outage line; 8 months of reduction of average power outage time of users in the whole province=8 months of ring closing transfer supply reduction of the number of users per 240 thousands of users in the power outage; the average power outage time of the users in the whole province is reduced by 1-8 months, the number of users per 240 thousands of users when the power outage is reduced by 1-8 months of ring closing transfer supply; transfer line duty = transfer line total order in power outage line/line total order with hand condition in power outage line;
c. the non-terminal bill is not counted, and if a plurality of identical lines exist, the duplication of one maintenance bill is removed;
2) Counting hand-in-hand lines:
a. modifying line properties by importing a distribution network CIM model or after importing, analyzing a topological structure, and counting handhold lines;
b. establishing a hand-in-hand line relation library, and supporting new addition, importing and editing; and applies to other statistical modules through the relational database;
3) And (3) counting the power supply non-rotation condition: through the established hand-pulled collection relation library and the automatic identification maintenance single circuit, the circuit with the hand-pulled condition has the hand-pulled condition, if the circuit with the hand-pulled condition has an untransformed power supply circuit, the system automatically acquires the reason and writes the reason into the untransformed power supply reason for checking and statistics, and the flow is as follows;
a. the electric power management system pushes the maintenance list to automatically identify the manual receiving line through the manual relation library;
b. the module for increasing the condition of hand in the service bill comprises: "Power off line substation", "Power off line", "whether in hand", "hand line substation", "No hand reason explanation" for dispatch filling;
c. the explanation of the reason for the power supply which is not turned under the condition of having a hand and a handle is automatically acquired, so that the export, the retrieval and the check are supported;
in the second step, the data display analysis procedure is as follows:
1) And (3) analyzing the power failure to power supply condition of the 10kV line: acquiring service ticket information of power transfer through power failure service ticket data pushed by the power management system and power failure service ticket transfer conditions of the distribution network power distribution management system, and carrying out statistics display;
a. displaying a statistical table in the system according to the provided template;
b. the analysis table updates statistical information in real time according to the power failure maintenance circulation state, such as: the maintenance list is not terminated, the power supply is not terminated when the power supply is turned over, and the whole information mark is light yellow when the power supply is turned over and not terminated;
c. support to export, search, switch the statistics of last month, next month;
2) The developing condition of the loop closing of the 10kV line in the whole province: switching the statistical month by clicking [ upper month ] and [ lower month ] [ present month ], and clicking [ export ] to export the statistical result; the statistical time is customized by selecting [ time range ]; clicking the numbers on the table to check the detail information of the power failure overhaul document;
3) The condition of closing the ring and rotating the power supply handle: the module stores a hand-held line information table in each power supply office, and the system judges whether the power failure line has hand-held conditions or not according to the table.
2. The loop closing power supply statistical method based on the hand-in-hand line, according to claim 1, is characterized in that: in the first step, the service list supports to export word and excel format files, and supports to switch and view statistical information of each month and a certain time period.
3. The loop closing power supply statistical method based on the hand-in-hand line, according to claim 1, is characterized in that: in the first step, the statistical result of the statistical hand line supports the export of word and excel file formats.
4. The loop closing power supply statistical method based on the hand-in-hand line, according to claim 1, is characterized in that: in the second step, the hand-in-hand line information table supports new addition, modification and deletion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110828787.0A CN113449266B (en) | 2021-07-22 | 2021-07-22 | Closed loop power supply statistical method based on hand-in-hand line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110828787.0A CN113449266B (en) | 2021-07-22 | 2021-07-22 | Closed loop power supply statistical method based on hand-in-hand line |
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| CN102769338A (en) * | 2012-07-20 | 2012-11-07 | 冀北电力有限公司张家口供电公司 | Closed-loop operational control method for power distribution network |
| CN109378815A (en) * | 2018-07-09 | 2019-02-22 | 南方电网科学研究院有限责任公司 | Power distribution network closed loop switching power supply control method, device and equipment |
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