CN112364210B - Power distribution network power outage plan duplicate checking method - Google Patents
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Abstract
The invention relates to a power distribution network power outage plan duplicate checking method which is characterized by comprising the following steps of: the method comprises the following steps: the method for checking the power failure plan of the power distribution network is mainly characterized in that a simplified power failure plan is screened and compared and checked, accurate power failure plan matching is achieved, repeated power failure plans are more effectively found out, workload is reduced, efficiency is improved, and the method is integrated after simplification. And the simplified and integrated power outage plan is used for carrying out secondary searching on whether the power outage line needs to supply power to other lines, identifying conflict, outputting a new power outage plan table and realizing the duplicate searching of the whole power outage plan. And the power failure scheme is optimized, the power failure plan is integrated, the unplanned power failure is reduced, the repeated power failure is realized, and the power failure times are reduced.
Description
Technical Field
The invention relates to a power distribution network power outage plan duplicate checking method, and belongs to the technical field of power engineering.
Background
At present, the power outage planning of the power distribution network is mainly carried out by manual planning operation, and the problems of safety constraint, power supply reliability constraint, mutual exclusivity and coordination among power outage plans, overhaul capacity of overhaul teams, load transfer during power outage and the like are considered during planning, so that the workload of staff is large, the efficiency is low, and the problems of repeated power outage, safe out-of-limit and the like are possibly caused. Therefore, a method capable of solving the above problems by using a computer algorithm is needed.
Disclosure of Invention
The invention aims to overcome the defects and provide a power distribution network power outage plan duplicate checking method which can quickly and effectively search and analyze a power outage plan so as to avoid various conflict situations.
The purpose of the invention is realized in the following way:
a power distribution network power failure plan duplicate checking method comprises the following steps:
step 1, submitting an initial power failure schedule by a construction unit and uploading the initial power failure schedule to a server; the server stores a line database of all line information, wherein each line information comprises a line name, all switch numbers corresponding to each line and all tie line names corresponding to each line; the server also stores the updated data the latest target power outage schedule for the day, each power outage schedule in the target outage schedule comprises: { line name, label, corresponding switch group number, outage time, tie line name, other information };
each power outage schedule of the uploaded initial power outage schedule comprises: { line name, corresponding switch group number, outage time, tie line name, other information };
wherein: the circuit name is the unique identification name of the predicted power-off circuit, the corresponding switch group number is the first two switch numbers of the predicted power-off circuit, the power-off time is the power-off time period of the predicted power-off circuit, and the tie line name is the circuit name for providing auxiliary power for the predicted power-off circuit; the other information is to mark the validity of the information;
step 2, simplifying an initial power failure schedule by the server, wherein the steps are as follows:
calling out line information of a corresponding line from a line database according to the name of an expected power outage line in each power outage plan in the initial power outage plan table, and comparing and analyzing the line information with the information in the power outage plan in the initial power outage plan table;
if one of the two switches in the corresponding switch group number in the initial power outage schedule is connected to the power substation outlet terminal, adding a mark segment identifier in the power outage schedule, and marking the mark segment as: a front section;
if one of the two switches in the corresponding switch group number in the initial power outage schedule is connected to the connecting end of the connecting wire, adding a mark section mark in the power outage schedule, and marking the mark section as: a rear section;
if one of the two switches in the corresponding switch group number in the initial power outage schedule is connected to the outlet end of the substation and the other is connected to the connecting end of the connecting line, adding a mark section mark in the power outage schedule, and marking the mark section as: a full line;
if two switches in the corresponding switch group numbers in the initial power outage schedule are not connected with the outlet end of the power substation and are not connected with the connecting end of the connecting line, a mark section mark is added in the power outage schedule, and the mark section is marked as: a middle section;
and 3, after analyzing all the power outage plans in the initial power outage schedule in the step 2, merging all the power outage plans again to generate a new simplified power outage schedule, wherein each power outage schedule in the simplified power outage schedule comprises: { line name, label, corresponding switch group number, outage time, tie line name, other information };
and 4, checking and merging, and analyzing the power outage plan in the simplified power outage plan table obtained in the step 3:
in the same time period, the names of the two lines are consistent, the standard section is a front section or a rear section, the two power outage plans are combined into one power outage plan, and the corresponding switch group number in the power outage plan takes one of the two power outage plans with a large power outage range;
in the same time period, the names of the two lines are consistent, the standard section is a middle section, the corresponding switch group numbers of the two power failure plans are checked, if the lines corresponding to the corresponding switch group numbers of the two power failure plans are continuous or coincide, the two power failure plans are combined into one, and the corresponding switch group number range of the power failure plans is the combination of the two power failure plan ranges; if the lines corresponding to the corresponding switch group numbers of the two power outage plans are not overlapped or discontinuous, the two power outage plans are combined into one line, the corresponding switch group numbers of the two corresponding power outage plans are reserved in the corresponding switch group numbers, and other information is marked with 'power failure conflict', at the moment, the power outage plans need to be adjusted, and otherwise, power failure occurs between the power outage areas of the two lines;
obtaining a new simplified power outage schedule after the rearrangement in the step 4;
as exemplified in fig. 1: if on a certain line, the corresponding switch group numbers are 1,2,3,4,5,6,7,8 and 9. If the two power outage plans are { line A, middle section, (2, 4), 9:00-11:00, line C, none } and { line A, middle section, (5, 8), 9:00-11:00, line C, none }, merging into one { line A, middle section, (2, 8), 9:00-11:00, line C, none };
if the two power outage plans are { line A, middle section, (2, 4), 9:00-11:00, line C, none } and { line A, middle section, (6, 8), 9:00-11:00, line C, none }, merging into one { line A, middle section, (2, 4,6, 8), 9:00-11:00, line C, power loss conflict }; at this time, if the power failure causes that the power supply station area corresponding to the switch group number 5 cannot obtain power supply, the subsequent adjustment is needed;
and 5, comparing and analyzing the power failure plan in the simplified power failure plan table obtained in the step 4 with the power failure plan in the target power failure plan table on the server, wherein the specific steps are as follows:
under the same line name, checking whether the same power outage plan exists in a specified time difference (such as within one month) in the target power outage plan table, and if not, marking other information in the power outage plan as valid; if the power failure plan exists, continuing to compare the standard segments, and if the standard segments are different, marking other information marks in the power failure plan as valid; if the standard segments are the same and the standard segments are the front segment or the rear segment, marking other information in the power failure plan as 'exceeding standard power failure'; if the standard segments are the same and the standard segments are middle segments, the corresponding switch group numbers are compared, if the corresponding switch group numbers do not overlap, other information in the power failure plan is marked as valid, otherwise, the power failure plan is marked as out-of-standard failure;
step 6, performing secondary screening on the power outage plans marked as effective by other information in the updated simplified power outage schedule in the step 5; in the same time period, if the tie line name in one power outage plan is the line name in another power outage plan, searching a label segment in the power outage plan taking the tie line name as the line name, and if the label segment is a rear segment or a front line, marking other information in the power outage plan taking the tie line name as the line name as conflict; indicating that if two lines are executed simultaneously at this time, the uninterrupted line section in the original outage plan is powered off due to the fact that no standby power supply exists;
and 7, outputting the updated simplified power outage schedule after the step 6, and uploading all power outage schedules with other information marked as effective in the power outage schedule in the simplified power outage schedule to a server and adding the power outage schedule into the target power outage schedule.
Compared with the prior art, the invention has the beneficial effects that:
the method for checking the power failure plan of the power distribution network is mainly characterized in that a simplified power failure plan (simplified by adding standard segments) is screened and compared and checked, so that accurate power failure plan matching is realized, repeated power failure plans are more effectively found, the workload is reduced, the efficiency is improved, and the method is integrated after the simplification. Meanwhile, the simplified and integrated power outage plan is used for carrying out secondary searching on whether a power outage line needs to supply power to other lines, identifying conflicts, outputting a new power outage plan table, and realizing the duplicate searching of the whole power outage plan. The invention can effectively optimize the power failure scheme, integrate the power failure plan, reduce the unplanned power failure and repeated power failure, and reduce the power failure times.
Drawings
Fig. 1 is a schematic diagram of a certain circuit in a power distribution network power outage plan duplicate checking method of the present invention.
Detailed Description
The invention relates to a power distribution network power outage plan duplicate checking method, which comprises the following steps:
step 1, submitting an initial power failure schedule by a construction unit and uploading the initial power failure schedule to a server; the server stores a line database of all line information, wherein each line information comprises a line name, all switch numbers corresponding to each line and all tie line names corresponding to each line; the server also stores the updated data the latest target power outage schedule for the day, each power outage schedule in the target outage schedule comprises: { line name, label, corresponding switch group number, outage time, tie line name, other information };
each power outage schedule of the uploaded initial power outage schedule comprises: { line name, corresponding switch group number, outage time, tie line name, other information };
wherein: the circuit name is the unique identification name of the predicted power-off circuit, the corresponding switch group number is the first two switch numbers of the predicted power-off circuit, the power-off time is the power-off time period of the predicted power-off circuit, and the tie line name is the circuit name for providing auxiliary power for the predicted power-off circuit; the other information is to mark the validity of the information;
step 2, simplifying an initial power failure schedule by the server, wherein the steps are as follows:
calling out line information of a corresponding line from a line database according to the name of an expected power outage line in each power outage plan in the initial power outage plan table, and comparing and analyzing the line information with the information in the power outage plan in the initial power outage plan table;
if one of the two switches in the corresponding switch group number in the initial power outage schedule is connected to the power substation outlet terminal, adding a mark segment identifier in the power outage schedule, and marking the mark segment as: a front section;
if one of the two switches in the corresponding switch group number in the initial power outage schedule is connected to the connecting end of the connecting wire, adding a mark section mark in the power outage schedule, and marking the mark section as: a rear section;
if one of the two switches in the corresponding switch group number in the initial power outage schedule is connected to the outlet end of the substation and the other is connected to the connecting end of the connecting line, adding a mark section mark in the power outage schedule, and marking the mark section as: a full line;
if two switches in the corresponding switch group numbers in the initial power outage schedule are not connected with the outlet end of the power substation and are not connected with the connecting end of the connecting line, a mark section mark is added in the power outage schedule, and the mark section is marked as: a middle section;
and 3, after analyzing all the power outage plans in the initial power outage schedule in the step 2, merging all the power outage plans again to generate a new simplified power outage schedule, wherein each power outage schedule in the simplified power outage schedule comprises: { line name, label, corresponding switch group number, outage time, tie line name, other information };
and 4, checking and merging, and analyzing the power outage plan in the simplified power outage plan table obtained in the step 3:
in the same time period, the names of the two lines are consistent, the standard section is a front section or a rear section, the two power outage plans are combined into one power outage plan, and the corresponding switch group number in the power outage plan takes one of the two power outage plans with a large power outage range;
in the same time period, the names of the two lines are consistent, the standard section is a middle section, the corresponding switch group numbers of the two power failure plans are checked, if the lines corresponding to the corresponding switch group numbers of the two power failure plans are continuous or coincide, the two power failure plans are combined into one, and the corresponding switch group number range of the power failure plans is the combination of the two power failure plan ranges; if the lines corresponding to the corresponding switch group numbers of the two power outage plans are not overlapped or discontinuous, the two power outage plans are combined into one line, the corresponding switch group numbers of the two corresponding power outage plans are reserved in the corresponding switch group numbers, and other information is marked with 'power failure conflict', at the moment, the power outage plans need to be adjusted, and otherwise, power failure occurs between the power outage areas of the two lines;
obtaining a new simplified power outage schedule after the rearrangement in the step 4;
as exemplified in fig. 1: if on a certain line, the corresponding switch group numbers are 1,2,3,4,5,6,7,8 and 9. If the two power outage plans are { line A, middle section, (2, 4), 9:00-11:00, line C, none } and { line A, middle section, (5, 8), 9:00-11:00, line C, none }, merging into one { line A, middle section, (2, 8), 9:00-11:00, line C, none };
if the two power outage plans are { line A, middle section, (2, 4), 9:00-11:00, line C, none } and { line A, middle section, (6, 8), 9:00-11:00, line C, none }, merging into one { line A, middle section, (2, 4,6, 8), 9:00-11:00, line C, power loss conflict }; at this time, if the power failure causes that the power supply station area corresponding to the switch group number 5 cannot obtain power supply, the subsequent adjustment is needed;
and 5, comparing and analyzing the power failure plan in the simplified power failure plan table obtained in the step 4 with the power failure plan in the target power failure plan table on the server, wherein the specific steps are as follows:
under the same line name, checking whether the same power outage plan exists in a specified time difference (such as within one month) in the target power outage plan table, and if not, marking other information in the power outage plan as valid; if the power failure plan exists, continuing to compare the standard segments, and if the standard segments are different, marking other information marks in the power failure plan as valid; if the standard segments are the same and the standard segments are the front segment or the rear segment, marking other information in the power failure plan as 'exceeding standard power failure'; if the standard segments are the same and the standard segments are middle segments, the corresponding switch group numbers are compared, if the corresponding switch group numbers do not overlap, other information in the power failure plan is marked as valid, otherwise, the power failure plan is marked as out-of-standard failure;
step 6, performing secondary screening on the power outage plans marked as effective by other information in the updated simplified power outage schedule in the step 5; in the same time period, if the tie line name in one power outage plan is the line name in another power outage plan, searching a label segment in the power outage plan taking the tie line name as the line name, and if the label segment is a rear segment or a front line, marking other information in the power outage plan taking the tie line name as the line name as conflict; indicating that if two lines are executed simultaneously at this time, the uninterrupted line section in the original outage plan is powered off due to the fact that no standby power supply exists;
and 7, outputting the updated simplified power outage schedule after the step 6, and uploading all power outage schedules with other information marked as effective in the power outage schedule in the simplified power outage schedule to a server and adding the power outage schedule into the target power outage schedule.
In addition: it should be noted that the above embodiment is only one of the optimization schemes of this patent, and any modification or improvement made by those skilled in the art according to the above concepts is within the scope of this patent.
Claims (1)
1. A power distribution network power failure plan duplicate checking method is characterized by comprising the following steps of: the method comprises the following steps:
step 1, submitting an initial power failure schedule by a construction unit and uploading the initial power failure schedule to a server; the server stores a line database of all line information, wherein each line information comprises a line name, all switch numbers corresponding to each line and all tie line names corresponding to each line; the server also stores the updated data the latest target power outage schedule for the day, each power outage schedule in the target outage schedule comprises: { line name, label, corresponding switch group number, outage time, tie line name, other information };
each power outage schedule of the uploaded initial power outage schedule comprises: { line name, corresponding switch group number, outage time, tie line name, other information };
wherein: the circuit name is a unique identification name of the predicted power-off circuit, the corresponding switch group number is the first two switch numbers of the predicted power-off circuit, the power-off time is the power-off time period of the predicted power-off circuit, and the tie line name is a circuit name for providing auxiliary power for the predicted power-off circuit; the other information is to mark the validity of the information;
step 2, simplifying an initial power failure schedule by the server, wherein the steps are as follows:
calling out line information of a corresponding line from a line database according to the name of an expected power outage line in each power outage plan in the initial power outage plan table, and comparing and analyzing the line information with the information in the power outage plan in the initial power outage plan table;
if one of the two switches in the corresponding switch group number in the initial power outage schedule is connected to the power substation outlet terminal, adding a mark section mark in the power outage schedule, and marking the mark section as: a front section;
if one of the two switches in the corresponding switch group number in the initial power outage schedule is connected to the connecting end of the connecting wire, adding a mark section mark in the power outage schedule, and marking the mark section as: a rear section;
if one of the two switches in the corresponding switch group number in the initial power outage schedule is connected to the outlet end of the substation and the other is connected to the connecting end of the connecting line, adding a mark section mark in the power outage schedule, and marking the mark section as: a full line;
if two switches in the corresponding switch group numbers in the initial power outage schedule are not connected with the outlet end of the power substation and are not connected with the connecting end of the connecting line, a mark section mark is added in the power outage schedule, and the mark section is marked as: a middle section;
and 3, after analyzing all the power outage plans in the initial power outage schedule in the step 2, merging all the power outage plans again to generate a new simplified power outage schedule, wherein each power outage schedule in the simplified power outage schedule comprises: { line name, label, corresponding switch group number, outage time, tie line name, other information };
and 4, checking and merging, and analyzing the power outage plan in the simplified power outage plan table obtained in the step 3:
in the same time period, the names of the two lines are consistent, the standard section is a front section or a rear section, the two power outage plans are combined into one power outage plan, and the corresponding switch group number in the power outage plan takes one of the two power outage plans with a large power outage range;
in the same time period, the names of the two lines are consistent, the standard section is a middle section, the corresponding switch group numbers of the two power failure plans are checked, if the lines corresponding to the corresponding switch group numbers of the two power failure plans are continuous or coincide, the two power failure plans are combined into one, and the corresponding switch group number range of the power failure plans is the combination of the two power failure plan ranges; if the lines corresponding to the corresponding switch group numbers of the two power outage plans are not overlapped or discontinuous, the two power outage plans are combined into one line, the corresponding switch group numbers of the two corresponding power outage plans are reserved in the corresponding switch group numbers, and other information is marked with 'power failure conflict', at the moment, the power outage plans need to be adjusted, and otherwise, power failure occurs between the power outage areas of the two lines;
obtaining a new simplified power outage schedule after the rearrangement in the step 4;
and 5, comparing and analyzing the power failure plan in the simplified power failure plan table obtained in the step 4 with the power failure plan in the target power failure plan table on the server, wherein the specific steps are as follows:
under the same line name, checking whether the same power outage plan exists within a specified time difference in the target power outage plan table, and if not, marking other information in the power outage plan as valid; if the power failure plan exists, continuing to compare the standard segments, and if the standard segments are different, marking other information marks in the power failure plan as valid; if the standard segments are the same and the standard segments are the front segment or the rear segment, marking other information in the power failure plan as 'exceeding standard power failure'; if the standard segments are the same and the standard segments are middle segments, the corresponding switch group numbers are compared, if the corresponding switch group numbers do not overlap, other information in the power failure plan is marked as valid, otherwise, the power failure plan is marked as out-of-standard failure;
step 6, performing secondary screening on the power outage plans marked as effective by other information in the updated simplified power outage schedule in the step 5; in the same time period, if the tie line name in one power outage plan is the line name in another power outage plan, searching a label segment in the power outage plan taking the tie line name as the line name, and if the label segment is a rear segment or a front line, marking other information in the power outage plan taking the tie line name as the line name as conflict; indicating that if two lines are executed simultaneously at this time, the uninterrupted line section in the original outage plan is powered off due to the fact that no standby power supply exists;
and 7, outputting the updated simplified power outage schedule after the step 6, and uploading all power outage schedules with other information marked as effective in the power outage schedule in the simplified power outage schedule to a server and adding the power outage schedule into the target power outage schedule.
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