CN114841627B - Maintenance plan checking method, device, equipment and storage medium - Google Patents

Maintenance plan checking method, device, equipment and storage medium Download PDF

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CN114841627B
CN114841627B CN202210776517.4A CN202210776517A CN114841627B CN 114841627 B CN114841627 B CN 114841627B CN 202210776517 A CN202210776517 A CN 202210776517A CN 114841627 B CN114841627 B CN 114841627B
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power
value
represented
maintenance
index value
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CN114841627A (en
Inventor
陈强
杨小磊
李延满
袁佳逻
李游
袁明哲
苏义荣
卿俊杰
王睿
李雪恺
杨晓磊
张伟伟
李霏霏
申佳灵
黄学海
何振宇
何松宁
许光达
郭馨
毛骏怡
王熙
邓启
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Chengdu Power Supply Co Of State Grid Sichuan Electric Power Corp
NARI Nanjing Control System Co Ltd
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Chengdu Power Supply Co Of State Grid Sichuan Electric Power Corp
NARI Nanjing Control System Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION 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
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G06Q10/063—Operations research, analysis or management
    • G06Q10/0635—Risk analysis of enterprise or organisation activities
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION 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
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G06Q10/063—Operations research, analysis or management
    • G06Q10/0639—Performance analysis of employees; Performance analysis of enterprise or organisation operations
    • G06Q10/06393—Score-carding, benchmarking or key performance indicator [KPI] analysis
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION 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
    • G06Q10/00—Administration; Management
    • G06Q10/20—Administration of product repair or maintenance
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION 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
    • G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/06—Electricity, gas or water supply
    • Y—GENERAL 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS 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
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications

Abstract

The invention discloses a method, a device, equipment and a storage medium for checking a maintenance plan, wherein the method comprises the following steps: screening out a current maintenance plan and a related maintenance plan with crossed maintenance time and the current maintenance plan from all maintenance plans in a scheduling and auditing stage; generating a transfer scheme of the current maintenance plan; calculating a safety index value in a crossing time window of the current maintenance plan and the associated maintenance plan based on the operational stop states of the equipment in the supply transfer scheme, the current maintenance plan and the associated maintenance plan; and judging whether the checking passes according to whether the safety index value meets the preset requirement, and obtaining a safety checking result of the current maintenance plan. The safety index value is calculated based on the current maintenance plan in the transfer scheme and the cross time window and the running state of the equipment in the associated maintenance plan, so that potential safety hazards to a power grid when multiple maintenance plans are carried out simultaneously are avoided, the maintenance plans are reasonably checked, and a reasonable checking result is obtained.

Description

Maintenance plan checking method, device, equipment and storage medium
Technical Field
The invention relates to the technical field of maintenance and check, in particular to a maintenance plan check method, device, equipment and storage medium.
Background
The maintenance of the power equipment is a conventional business in a power system, and relates to a plurality of professional fields such as planning, transportation, scheduling and the like. Due to the facts that defect elimination, fixed inspection, testing, measures countermeasure, basic construction, technical improvement implementation, new operation and change, line connection change, migration change and quit operation are involved, planned power failure and maintenance of power equipment need to be arranged. At present, the requirements for reliable power supply are higher and higher under the double-carbon target, the operation mode of a power grid is more complex, the number of equipment is larger, and the operation integration characteristic is more remarkable, besides the safe and stable operation of a power system and the orderly promotion of various work, the arrangement of power failure and maintenance plans also needs to reasonably shorten the power failure time, reduce repeated power failure of the equipment, reduce the possibility of risk superposition, and consider a plurality of aspects such as control of a construction period, optimization of maintenance efficiency, planned lean management and control, and energy economy.
Because the power failure plan of equipment in the electric wire netting, the real-time operation of regulation and control and the emergent processing of trouble involve many departments, many professions, many fields, need with modes such as maintenance balance meeting, carry out overall planning to the maintenance plan through different bores such as maintenance, dispatch, operation, because restraint object and target are inconsistent, lack the integrated analysis of a unified platform to each flow of maintenance business, lead to unable assurance maintenance business not to influence electric wire netting global security. When the existing automatic generation method of the maintenance plan is optimized and arranged, the factors such as risk balance, secondary work, power supply protection requirements and the like among maintenance orders after supply are comprehensively considered in actual work, namely potential safety hazards possibly caused to power grid operation when different maintenance plans are carried out simultaneously are not considered, so that the maintenance plan cannot be reasonably checked, and a more reasonable checking result is obtained.
Disclosure of Invention
In view of this, embodiments of the present invention provide a method, an apparatus, a device and a storage medium for checking an overhaul plan, which solve the problem that the prior art cannot reasonably check the overhaul plan and obtain a more reasonable check result.
The technical scheme provided by the invention is as follows:
a first aspect of an embodiment of the present invention provides a method for checking an overhaul plan, including:
screening out a current maintenance plan and a related maintenance plan with maintenance time crossed with the current maintenance plan from all maintenance plans in a scheduling and auditing stage;
generating a transfer scheme of the current maintenance plan;
calculating a safety index value within an intersection time window of the current service plan and the associated service plan based on the operational outage status of equipment in the transshipment plan, the current service plan, and the associated service plan;
and judging whether the checking passes according to whether the safety index value meets the preset requirement, and obtaining a safety checking result of the current maintenance plan.
According to the maintenance plan checking method provided by the first aspect of the embodiment of the present invention, the safety index value includes one or more of a non-risk increase checking index value, a non-overload checking index value, a non-power-outage checking index value, and a power-supply-guaranteed checking index value, and when any one of the safety indexes does not meet the preset requirement, the current maintenance plan does not pass the checking.
According to the maintenance plan checking method provided by the first aspect of the embodiments of the present invention, the non-risk-increase checking index value is a sum of one or more of a first non-risk-increase checking sub-index value, a second non-risk-increase checking sub-index value, a third non-risk-increase checking sub-index value, a fourth non-risk-increase checking sub-index value, and a fifth non-risk-increase checking sub-index value.
According to the overhaul plan checking method provided by the first aspect of the embodiment of the present invention, the calculation method for checking the index value without increasing the risk includes:
if at least two sections of 220 kV or 110kV buses in the same 220 kV transformer substation are powered off simultaneously, the first risk-increasing-free syndrome index value is 1, otherwise, the first risk-increasing-free syndrome index value is 0;
if the main power supply lines of the 110KV double-power substation and the substation to which the substation is supplied are powered off at the same time, the second non-risk-increasing syndrome index value is 1, otherwise, the second non-risk-increasing syndrome index value is 0;
if the number of power supply lines for stopping the important users supplied with power by any one multi-path power supply reaches two or more, the third risk-increasing-free syndrome index value is 1, otherwise, the third risk-increasing-free syndrome index value is 0;
if two or more lines of any T-connection line are in an outage state, the fourth non-risk-increase syndrome index value is 1, otherwise, the fourth non-risk-increase syndrome index value is 0;
and if one or more power supply lines of any higher-level substation supplying power to the substation operated by the single power supply are stopped, the fifth risk-increasing syndrome index value is 1, otherwise, the fifth risk-increasing syndrome index value is 0.
According to the maintenance plan checking method provided by the first aspect of the embodiment of the present invention, the calculation method of the non-overload check index value is:
calculating the ratio of the sum of the real-time active power of each working device and the power value transferred to the transfer device to the rated power of the working device;
when the ratio is larger than a first preset value, the non-overload checking sub index value of the working equipment is 1, and when the ratio is smaller than or equal to the first preset value, the non-overload checking sub index value is 0;
and the non-overload checking index value is the sum of the non-overload checking sub index values of all the working equipment.
According to the maintenance plan checking method provided by the first aspect of the embodiment of the present invention, the method for calculating the non-power-outage checking index value includes:
identifying secondary equipment which is not allowed to have power failure in the current maintenance plan and the associated maintenance plan;
calculating a first non-power-off checking sub index value, wherein the first non-power-off checking sub index value is as follows:
Figure 908235DEST_PATH_IMAGE002
in the formula (I), the compound is shown in the specification,
Figure 100002_DEST_PATH_IMAGE003
the bus running state of the secondary equipment with the identification is represented and is 0-1 variable, running is represented when the value is 0, and maintenance is represented when the value is 1; z represents the total number of secondary devices with an identification,
Figure 781821DEST_PATH_IMAGE004
representing the first non-power-outage checking sub index value;
calculating a second non-power-off verification sub index value, wherein the second non-power-off verification sub index value is as follows:
Figure 85763DEST_PATH_IMAGE006
in the formula (I), the compound is shown in the specification,
Figure DEST_PATH_IMAGE007
、
Figure 688783DEST_PATH_IMAGE008
respectively representing the distribution and transformation running state of a primary important user x and the distribution and transformation running state of a secondary user y with double power supplies, wherein the variables are 0-1, the distribution and transformation running state represents running when the value is 0, and the distribution and transformation running state represents maintenance when the value is 1; n represents the total number of the power supply distribution transformers of the primary important users x, N represents the maximum overhauling number of the power supply distribution transformers of the primary important users x,
Figure DEST_PATH_IMAGE009
representing the second non-power-outage checking sub index value;
the non-power-off checking index value is the sum of the first non-power-off checking sub index value and the second non-power-off checking sub index value.
According to the maintenance plan checking method provided by the first aspect of the embodiment of the present invention, the calculation method of the maintenance power supply checking index value is:
acquiring an overlapping time window of the cross time window and the power-saving time;
calculating a power supply protection and check comprehensive parameter value, a power supply protection and check primary parameter value, a power supply protection and check secondary parameter value and a power supply protection and check tertiary parameter value based on the operation and stop states of the equipment in the associated maintenance plans in the switching scheme, the current maintenance plan and the overlapping time window;
wherein, the comprehensive parameter values of the power supply protection and check are as follows:
Figure DEST_PATH_IMAGE011
in the formula (I), the compound is shown in the specification,
Figure 722467DEST_PATH_IMAGE012
、
Figure DEST_PATH_IMAGE013
respectively representing the initial 220 KV substations of any two 10KV distribution lines m and n for supplying power to the important user k in a power supply path;
the first-level parameter values of the power protection and check are as follows:
Figure DEST_PATH_IMAGE015
in the formula (I), the compound is shown in the specification,
Figure 450776DEST_PATH_IMAGE016
、
Figure 100002_DEST_PATH_IMAGE017
、
Figure 242014DEST_PATH_IMAGE018
、
Figure 100002_DEST_PATH_IMAGE019
、
Figure 429151DEST_PATH_IMAGE020
respectively representing the operation state of an ith 10-kilovolt power supply line, the operation state of an opposite-end line of a contact switch of the ith 10-kilovolt power supply line, the operation state of an ith alternating current line, the operation state of an ith main transformer and the operation state of an ith bus on a power supply path of a jth primary power protection user, wherein the variables are 0-1, the operation is represented when the value is 0, and the overhaul is represented when the value is 1; b represents the number of equipment on the power supply path of the primary power-protection users, and c represents the total number of the primary power-protection users;
the secondary parameter values of the power supply protection and check are as follows:
Figure 648167DEST_PATH_IMAGE022
in the formula (I), the compound is shown in the specification,
Figure 100002_DEST_PATH_IMAGE023
、
Figure 544448DEST_PATH_IMAGE024
the operating states of an ith 10-kilovolt line for supplying power to a jth secondary electricity-protection user and an ith 10-kilovolt line for supplying power to a jth secondary electricity-protection user are respectively represented by 0-1 variable, the operation is represented when the value is 0, the maintenance is represented when the value is 1, the total number of the secondary electricity-protection users is represented by e, and the total number of 10-kilovolt power supply lines of the secondary electricity-protection users is represented by r;
the three-level parameter values of the protection power supply check are as follows:
Figure 963928DEST_PATH_IMAGE026
in the formula (I), the compound is shown in the specification,
Figure DEST_PATH_IMAGE027
the operation state of the ith 10 kilovolt line for supplying power to the third-level power protection user j is represented as 0-1 variable, the operation is represented when the value is 0, the overhaul is represented when the value is 1, H represents the total number of the third-level power protection users, and F represents the total number of 10 kilovolt power supply lines of the third-level power protection users;
the protection power supply check index value is the sum of the protection power supply check comprehensive parameter value, the protection power supply check primary parameter value, the protection power supply check secondary parameter value and the protection power supply check tertiary parameter value.
A second aspect of the embodiments of the present invention provides a maintenance plan checking device, including:
the screening module is used for screening out the current maintenance plan and the associated maintenance plan with the crossed maintenance time and the current maintenance plan from all the maintenance plans in the scheduling and auditing stage;
the transfer module is used for generating a transfer scheme of the current maintenance plan;
a calculation module for calculating a safety index within a crossing time window of the current overhaul plan and the associated overhaul plan based on the operational stop status of equipment in the transfer plan, the current overhaul plan and the associated overhaul plan;
and the judging module is used for judging whether the checking passes according to whether the safety index value meets the preset requirement, and obtaining the safety checking result of the current maintenance plan.
A third aspect of an embodiment of the present invention provides an electronic device, including: the maintenance schedule checking system comprises a memory and a processor, wherein the memory and the processor are connected with each other in a communication mode, the memory stores computer instructions, and the processor executes the computer instructions so as to execute the maintenance schedule checking method according to the first aspect of the embodiment of the invention.
A fourth aspect of the embodiments of the present invention provides a computer-readable storage medium, where computer instructions are stored, where the computer instructions are configured to cause a computer to execute a service plan checking method according to the first aspect of the embodiments of the present invention.
The technical scheme of the invention has the following advantages:
the invention provides a method, a device, equipment and a storage medium for checking an overhaul plan, wherein the method comprises the steps of screening out a current overhaul plan and an associated overhaul plan with crossed overhaul time and the current overhaul plan from all the overhaul plans in a scheduling and auditing stage, then generating a transfer scheme of the current overhaul plan, calculating a safety index value in a crossed time window of the current overhaul plan and the associated overhaul plan based on the transfer scheme, the current overhaul plan and the operation and stop states of the equipment in the associated overhaul plan, and finally judging whether the check is passed according to whether the safety index value meets a preset requirement or not to obtain a safety check result of the current overhaul plan. The safety index value is calculated based on the supply transfer scheme, the current maintenance plan in the cross time window and the running state of the equipment in the associated maintenance plan, the state that a plurality of maintenance plans are carried out simultaneously after supply transfer is comprehensively considered for safety check, the potential safety hazard generated on the power grid when the plurality of maintenance plans are carried out simultaneously is avoided, and therefore reasonable check is carried out on the maintenance plans, and a reasonable check result is obtained.
Drawings
In order to express the technical scheme of the embodiment of the invention more clearly, the drawings used for describing the embodiment will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a flow chart of a maintenance schedule verification method in an embodiment of the present invention;
FIG. 2 is a block diagram of a maintenance schedule verification apparatus according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an electronic device in an embodiment of the invention.
Detailed Description
In order to make those skilled in the art better understand the technical solutions of the present invention, 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.
A first aspect of an embodiment of the present invention provides a method for checking an overhaul plan, as shown in fig. 1, where the method includes:
s101, screening out a current maintenance plan and a related maintenance plan with maintenance time crossed with the current maintenance plan from all maintenance plans in a scheduling and auditing stage.
Specifically, the maintenance plans in the scheduling and auditing stage include all current major network maintenance plans and distribution network maintenance plans in the scheduling and auditing stage, which are loaded through a cloud intelligent power scheduling support management system (OMS), and key domains in the maintenance plans are extracted: the maintenance list number, the maintenance starting time, the maintenance ending time and the power failure equipment.
And sequencing all the maintenance plans according to maintenance starting time to obtain a maintenance plan sequence, and sequentially selecting one maintenance plan as a current maintenance plan from the first maintenance plan in the sequence.
According to the maintenance starting time and the maintenance ending time of the current maintenance plan, screening out a maintenance plan which is crossed with the maintenance time range of the current maintenance plan from all the acquired maintenance plans, namely:
Figure 100002_DEST_PATH_IMAGE029
wherein
Figure 502225DEST_PATH_IMAGE030
And
Figure 100002_DEST_PATH_IMAGE031
respectively representing the start time and the end time of the service plan of the current service plan,
Figure 917026DEST_PATH_IMAGE032
and
Figure 100002_DEST_PATH_IMAGE033
respectively representing the starting time and the ending time of the maintenance plan m, representing an empty set, wherein the maintenance plan m meeting the formula is the maintenance plan which is intersected with the maintenance time range of the current maintenance plan.
In a specific embodiment of the invention, a certain power supply company has 7 blackout maintenance plans shown in table 1 in a scheduling and auditing stage at a certain day, and a safety check process is started from a maintenance list with the serial number of main-20211201 as shown in table 1; when the inspection plan numbered as main-20211201 is set as the current inspection plan, an inspection plan list that intersects with the inspection plan existing time is selected as shown in table 2.
TABLE 1 maintenance schedule list of a certain power supply company in scheduling and auditing stages at a certain day
Figure 100002_DEST_PATH_IMAGE035
TABLE 2 service plan List interleaved with Master-20211201 service plan live time
Figure 100002_DEST_PATH_IMAGE037
And S102, generating a supply transfer scheme of the current maintenance plan.
The supply scheme is to use other equipment to replace the maintenance equipment to temporarily operate so as to enable the power grid to normally operate in order to avoid the influence of the maintenance and outage of the current maintenance planning equipment on the power grid.
Specifically, the referral may be manually programmed or automatically generated. For the manually programmed transfer scheme, the transformer and the line related to the transfer are selected according to the experience and judgment of a programmer, and the corresponding equipment quota and historical operation information are automatically acquired.
For the automatically generated transfer mode, the master-distribution cooperative transfer mode is generated according to the following principle by combining the topological relation of the current power grid:
1. if one power return of the dual-power transformer substation fails, the power is transferred to the other power return.
2. If the main power supply of the single-power-supply transformer substation fails, the fact that the total station loses power due to the maintenance is prompted, and a user needs to confirm or retreat (the retreat means that the maintenance project is retreated from a scheduling and auditing stage to a leading and approving stage in an OMS system, namely is not executed).
If the verification is confirmed, the subordinate station of the substation (in an embodiment of the invention, the voltage level of the substation is 35kv or 110 kv) generates an additional transfer scheme according to the original rule (wherein, the additional transfer scheme indicates that the subordinate station can also confirm or retreat; if any subordinate station does not have the subordinate station, no additional transfer scheme is generated), and the load (in the embodiment, the load of 10 kv) of the substation is switched to the opposite-end substation.
In a specific embodiment of the invention, the lower station of the 110kV station is a 35kV station; the 35kV station has no subordinate station and only has a load (i.e., 10kV distribution network portion).
3. If the dual power supplies of the dual power supply transformer substation need to be powered off at the same time, the fact that the maintenance can cause power loss of the whole substation is prompted, and a user needs to confirm or return.
If the voltage level of the substation is confirmed, the substation (in one embodiment of the present invention, the substation is in a voltage level of 35kv or 110 kv) generates an additional transfer mode (if any substation does not have a substation itself, the additional transfer mode is not generated), and the load (in this embodiment, the load of 10 kv) of the substation is switched to the opposite substation.
4. If one power supply of the transformer substation powered by the three-circuit is powered off, the other two power supplies are loaded.
5. If the transformer substation powered by the three-circuit line has power failure in two circuits at the same time, the single power supply risk is prompted to exist in the maintenance, and a user needs to confirm or return.
If the voltage level of the substation is confirmed, the substation (in one embodiment of the present invention, the substation is in a voltage level of 35kv or 110 kv) generates an additional transfer mode (if any substation does not have a substation itself, the additional transfer mode is not generated), and the load (in this embodiment, the load of 10 kv) of the substation is switched to the opposite substation.
6. When the switch in the 10KV substation is overhauled, the load is transferred to the opposite-end substation through the interconnection switch.
7. When a 10kV outdoor wire, a switch or a distribution transformer is overhauled, if the wire, the switch or the distribution transformer belongs to equipment on a main wire, a load after a disconnection point is switched to an opposite-end substation; if the lead, the switch or the distribution transformer belongs to equipment on a branch line, the affected distribution transformer behind a disconnection point is listed by calling a topological relation, and a user with double power supplies is switched to another power supply.
And after the generation of the transfer mode is finished, listing transformers and lines related to the transfer, and acquiring the quota and historical operation information of the transformers.
In an embodiment of the present invention, as shown in table 3, for the main-20211201 maintenance plan, a switching scheme is automatically generated, where one power return source, where the main transformer of the dual power substation b station #2 is supplied from the 220 kv a station via the ab line, is powered off, and the other power return source is not involved in maintenance, and the total station load is switched to the power supply, where the main transformer of #1 is supplied from the kb line.
TABLE 3 auto-generated referral scheme List for Master-20211201 service plan
Figure 100002_DEST_PATH_IMAGE039
And step S103, calculating a safety index value in a crossing time window of the current maintenance plan and the associated maintenance plan based on the transfer scheme, the current maintenance plan and the operation and stop states of the equipment in the associated maintenance plan.
Specifically, if there is a time period in which the current maintenance plan and all associated maintenance plans overlap, the time period is selected as a cross time window, and in the cross time window, the operation and stop states of the equipment in the current maintenance plan and all associated maintenance plans are considered, and the safety index value is calculated. For example, in table 2, at the crossing time window: in 12-01, 10:30-16:00, 4 associated maintenance plans are overlapped with the current maintenance plan, and the situation is the most complicated at this moment, so the time period can be selected as a cross time window, and the safety index value in the time period is calculated based on the outage states of the equipment in the supply-in plan and all the maintenance plans in table 2.
If all the mutually exclusive overlapped time periods do not exist but a plurality of mutually exclusive overlapped time periods exist, each mutually exclusive overlapped time period is considered to be checked as a cross time window. And each check needs to find out the related maintenance plans involved in the mutually exclusive overlapped time period, and then the safety index value in the time period is calculated based on the outage state of the equipment in the supply transfer scheme, the current maintenance plan and the related maintenance plans involved in the overlapped time period.
Subsequent series of checks all continue to use this time slot, and the electric wire netting has stronger wholeness when operation, so need the global consideration when arranging the maintenance plan, and a plurality of the power failure in the same time can not cause the operation risk to rise, whether electric power overrun scheduling problem after other equipment sharing in the electric wire netting, consequently adopt this step can fully consider the electric wire netting and probably operate the transient nature of anomaly.
And step S104, judging whether the checking passes according to whether the safety index value meets the preset requirement, and obtaining a safety checking result of the current maintenance plan.
Specifically, the safety index value is each index of the operation of the power equipment in the power grid, such as a non-risk increase check index value, a non-overload check index value, a non-power-outage check index value, a power-supply protection check index value and the like. And setting preset requirements of each index according to the actual operation condition, and when the calculated safety index value does not meet the preset requirements, checking that the safety index value does not pass, wherein the obtained safety check result is that the current maintenance plan is not suitable to be arranged. When the calculated safety index value meets the preset requirement, checking is passed, and the current maintenance plan can be arranged.
In specific implementation, after the current maintenance plan is checked, the maintenance plan with the next sequence number is checked as a new previous maintenance plan until all maintenance plans are checked.
The maintenance plan checking method comprises the steps of screening out a current maintenance plan and an associated maintenance plan with crossed maintenance time and the current maintenance plan from all maintenance plans in a scheduling and auditing stage, then generating a transfer scheme of the current maintenance plan, calculating a safety index value in a crossed time window of the current maintenance plan and the associated maintenance plan based on the transfer scheme, the current maintenance plan and the operation and stop states of equipment in the associated maintenance plan, and finally judging whether checking passes according to the fact whether the safety index value meets preset requirements or not to obtain a safety checking result of the current maintenance plan. The safety index value is calculated based on the operation states of the equipment in the current maintenance plan and the associated maintenance plan in the supply transfer scheme and the cross time window, the state that a plurality of maintenance plans are carried out simultaneously after supply transfer is comprehensively considered for safety check, potential safety hazards generated on a power grid when the plurality of maintenance plans are carried out simultaneously are avoided, and therefore reasonable check is carried out on the maintenance plans, and a reasonable check result is obtained.
In an embodiment, the safety index value includes one or more of a non-risk increase check index value, a non-overload check index value, a non-power-off check index value and a power-supply protection check index value, and when any one of the safety indexes does not meet the preset requirement, the current maintenance plan does not pass the check.
Exemplarily, in one embodiment, the non-risk increase checking index value, the non-overload checking index value, the non-power outage checking index value and the power supply protection checking index value are calculated through a discrete function, when the value is 0, the checking is passed, when the value is larger than 0, the checking is not passed, and the non-risk increase checking index value, the non-overload checking index value, the non-power outage checking index value and the power supply protection checking index value are added to obtain the safety index value, when the safety index value is larger than 0, the checking is not passed, otherwise, the checking is passed.
The embodiment checks whether the current maintenance plan can pass through the non-risk checking index value, the non-overload checking index value, the non-power-outage checking index value and the power-supply-guaranteeing checking index value respectively, the checking mode is comprehensive, the checking projects are in a parallel relation, the checking mode is close to the 'one-vote' requirement in the actual maintenance work, the problem that a unified platform is lacked in the existing system, the appeal of each department and the rule of each department on power failure operation are integrated is solved, references are effectively provided for power maintenance, switching operation and load transfer, maintenance safety risks are reduced, the workload of mode personnel is reduced, and the level of power grid service users is improved.
In one embodiment, the non-risk-increasing syndrome index value is a sum of one or more of a first non-risk-increasing syndrome index value, a second non-risk-increasing syndrome index value, a third non-risk-increasing syndrome index value, a fourth non-risk-increasing syndrome index value, and a fifth non-risk-increasing syndrome index value.
Let the checking index not increase risk be a value
Figure 49455DEST_PATH_IMAGE040
And then:
Figure 956231DEST_PATH_IMAGE042
wherein the content of the first and second substances,
Figure 100002_DEST_PATH_IMAGE043
、
Figure 439165DEST_PATH_IMAGE044
、
Figure DEST_PATH_IMAGE045
、
Figure 708472DEST_PATH_IMAGE046
and
Figure DEST_PATH_IMAGE047
the index values are a first non-risk-increasing syndrome index value, a second non-risk-increasing syndrome index value, a third non-risk-increasing syndrome index value, a fourth non-risk-increasing syndrome index value and a fifth non-risk-increasing syndrome index value respectively.
In an embodiment, based on a main distribution-topology model, SG186 systems (national grid company integrated enterprise-level information integration platform, enterprise information is integrated by one platform, company services are covered by eight applications, and multi-party guarantee is provided for companies by six systems) and important users and power supply paths thereof at each level, and distribution and transformation conditions are analyzed and influenced by regulation and control of cloud power failure range, whether the following conditions occur is judged, such as maintenance equipment mutual exclusion, reduction of power supply reliability, increase of equipment overload probability, increase of power failure risk of the important users, wherein selection and levels of the important users are set according to power grid operation, and the important users comprise primary important users, secondary important users, tertiary important users and the like.
Specifically, the calculation method of the risk-free check index value comprises the following steps:
according to whether the following calculation occurs
Figure 884239DEST_PATH_IMAGE043
、
Figure 402945DEST_PATH_IMAGE044
、
Figure 96094DEST_PATH_IMAGE045
、
Figure 16646DEST_PATH_IMAGE046
And
Figure 769838DEST_PATH_IMAGE047
the value of (c).
If at least two sections of 220 kV or 110kV buses in the same 220 kV substation are powered off at the same time, the first non-risk-increasing syndrome index value is 1, otherwise, the first non-risk-increasing syndrome index value is 0.
In particular, the amount of the solvent to be used,
Figure DEST_PATH_IMAGE049
in the formula (I), the compound is shown in the specification,
Figure 665305DEST_PATH_IMAGE050
、
Figure 100002_DEST_PATH_IMAGE051
respectively represent the ith 220 kilovolts of a 220 kilovolt k substationThe operating states of the voltage bus and the ith 110-kilovolt bus are both 0-1 variable, and when the value is 0, the operation of the corresponding bus is represented, and when the value is 1, the maintenance of the corresponding bus is represented; n and m represent the number of 220 kv and 110kv busbars of the k substation respectively,
Figure 755621DEST_PATH_IMAGE043
representing a first non-risk-enhancing syndrome index value.
And if the main power supply lines of the 110kV double-power substation and the substation to be supplied are powered off simultaneously, the second risk-free syndrome index value is 1, otherwise, the second risk-free syndrome index value is 0.
In particular, the amount of the solvent to be used,
Figure 100002_DEST_PATH_IMAGE053
in the formula (I), the compound is shown in the specification,
Figure 999521DEST_PATH_IMAGE054
、
Figure 100002_DEST_PATH_IMAGE055
respectively representing the running state of a main power supply line of a 110KV double-power-supply-I transformer station and the running state of a main power supply line of a power transfer station h, wherein the variables are 0-1, the running is represented when the value is 0, the maintenance is represented when the value is 1,
Figure 517090DEST_PATH_IMAGE044
and representing a second non-risk-increasing syndrome index value.
And if the number of the power supply lines of the important users powered by any multi-path power supply is two or more, the third risk-free syndrome index value is 1, otherwise, the third risk-free syndrome index value is 0.
In particular, the amount of the solvent to be used,
Figure DEST_PATH_IMAGE057
in the formula (I), the compound is shown in the specification,
Figure 479230DEST_PATH_IMAGE058
the i line running state for supplying power to the important user j is represented as 0-1 variable, running is represented when the value is 0, maintenance is represented when the value is 1,
Figure DEST_PATH_IMAGE059
represents the total number of power supplies of the important users j,
Figure 107657DEST_PATH_IMAGE060
representing the total number of significant users within the time window of the intersection,
Figure 612588DEST_PATH_IMAGE062
a value representing a risk parameter of the important user j,
Figure 832216DEST_PATH_IMAGE045
a third non-risk-increasing syndrome indicator value is represented.
If two or more lines of any T-connection line are in an off state, the fourth non-risk-increase checking index value is 1, otherwise the fourth non-risk-increase checking index value is 0,
in particular, the amount of the solvent to be used,
Figure 422598DEST_PATH_IMAGE064
in the formula (I), the compound is shown in the specification,
Figure DEST_PATH_IMAGE065
the operation state of power lines from a T-connection line j to two substations of the same power station is shown, the outage is shown as 1, the operation is shown as 0, the subscript i is a line number, the T-connection line has 3 lines,
Figure 507579DEST_PATH_IMAGE066
a value representing a risk parameter for the T-junction j,
Figure 100002_DEST_PATH_IMAGE067
indicates the total number of T-connected lanes j,
Figure 788387DEST_PATH_IMAGE046
and a fourth non-risk-increasing syndrome index value is represented.
And if one or more power supply lines of any higher-level transformer substation supplying power to the transformer substation operated by the single power supply are stopped, the fifth risk-free syndrome index value is 1, otherwise, the fifth risk-free syndrome index value is 0.
In particular, the amount of the solvent to be used,
Figure 100002_DEST_PATH_IMAGE069
in the formula, K denotes a superior substation that supplies power to a substation operated by a single power supply,
Figure 710076DEST_PATH_IMAGE070
the method comprises the steps that the running state of a K power supply circuit of a superior transformer substation is represented, the variable is 0-1, running is represented when the value is 0, and maintenance is represented when the value is 1;
Figure 100002_DEST_PATH_IMAGE071
indicates the total number of power sources of the upper-level substation K,
Figure 115649DEST_PATH_IMAGE047
and a fifth non-risk-increasing syndrome index value is represented.
In an embodiment of the invention, through equipment state calculation, the power failure related to the current maintenance plan owner-20211201 does not have mutual exclusion relation with the maintenance plan owners-20211202, owner-20211203, distribution-20211201 and distribution-20211202, the values of the risk index parameters are shown in table 4, and the non-risk check index value of the current maintenance plan is shown in table 4
Figure 492404DEST_PATH_IMAGE072
At 0, the current service plan owner-20211201 checks through no risk increase.
Table 4 index parameter value table without risk checking in an embodiment of the present invention
Figure 99490DEST_PATH_IMAGE074
In an embodiment, the calculation method for checking the index value without overload includes:
firstly, calculating the ratio of the sum of the real-time active power of each working device and the power value transferred to the transfer device to the rated power of the working device;
secondly, when the ratio is larger than a first preset value, the non-overload checking sub index value of the working equipment is 1, and when the ratio is smaller than or equal to the first preset value, the non-overload checking sub index value is 0;
the non-overload check index value is the sum of the non-overload check sub index values of all the working devices.
Specifically, the non-overload check index value is calculated using the following formula
Figure 100002_DEST_PATH_IMAGE075
。
Figure 100002_DEST_PATH_IMAGE077
Figure 100002_DEST_PATH_IMAGE079
In the formula (I), the compound is shown in the specification,
Figure 926501DEST_PATH_IMAGE080
the real-time active power of the master network device i representing the load receiving the impact of the outage when switching over,
Figure 100002_DEST_PATH_IMAGE081
represents the amount of power transferred to the re-feeding device,
Figure 819371DEST_PATH_IMAGE082
which represents the power rating of the device i,
Figure 100002_DEST_PATH_IMAGE083
a parameter representing the load situation of the device i,
Figure 593292DEST_PATH_IMAGE075
indicating no overload check index value. In this embodiment, the first preset value is 0.9, and in other embodiments, the values of 0.8 and 0.85 may be selected.
Wherein due to the main network device
Figure 317534DEST_PATH_IMAGE084
The values can be directly acquired, so that no calculation is needed
Figure 925233DEST_PATH_IMAGE084
The overload of a line receiving the load and a main transformer of an opposite side transformer substation is ensured not to occur; distribution network equipment such as 10 kilovolt station external wires, distribution network transformers and the like without distribution automation acquisition and measurement data loss, and the remote measurement quantity cannot be acquired, the power conversion power is calculated as follows:
Figure 836557DEST_PATH_IMAGE086
in the formula (I), the compound is shown in the specification,
Figure DEST_PATH_IMAGE087
indicating the maximum operating power of the 10kv line v of the blackout equipment in the same historical month,
Figure 148590DEST_PATH_IMAGE088
represents the sum of all distribution transformation capacities after the power failure disconnection point on the line v,
Figure DEST_PATH_IMAGE089
representing the sum of all distribution capacities on the line v.
In this embodiment, the non-overload verification is performed according to the real-time measurement Data, the state estimation section, the historical operation information And the device rated parameter of a Supervisory Control And Data Acquisition (SCADA) system. For a current service plan that considers a switch-over scheme, within the time window that the associated service plan intersects the current service plan, no overload is caused to either equipment (i.e., its maximum predicted power during an equipment outage does not exceed 90% of its allowable limit), i.e., no overload checks are passed.
In a specific embodiment of the invention, after the historical monthly maximum operating power of the #2 main transformer of the b station is acquired to be 14.86MW, the real-time operating power of the #1 main transformer is 12.41MW, and the capacity limit of the #1 main transformer is 31.5MVA, the load transfer is calculated and considered, and the maintenance plan can meet the non-overload checking requirement, as shown in table 5.
TABLE 5 non-overload check index parameter value table in one embodiment of the present invention
Figure DEST_PATH_IMAGE091
In an embodiment, the calculation method for checking the index value without power outage comprises the following steps:
identifying secondary equipment which is not allowed to have power failure in the current maintenance plan and the associated maintenance plan;
calculating a first non-power-outage checking sub index value, wherein the first non-power-outage checking sub index value is as follows:
Figure DEST_PATH_IMAGE093
in the formula (I), the compound is shown in the specification,
Figure 995847DEST_PATH_IMAGE094
the bus running state of the secondary equipment with the identification is represented and is 0-1 variable, running is represented when the value is 0, and maintenance is represented when the value is 1; z represents the total number of identified secondary devices,
Figure DEST_PATH_IMAGE095
representing a first non-power-outage checking sub index value;
calculating a second non-power-off syndrome index value, wherein the second non-power-off syndrome index value is as follows:
Figure 100002_DEST_PATH_IMAGE097
in the formula (I), the compound is shown in the specification,
Figure 961398DEST_PATH_IMAGE098
、
Figure 100002_DEST_PATH_IMAGE099
respectively representing the distribution and transformation running state of a primary important user x and the distribution and transformation running state of a secondary user y with double power supplies, wherein the variables are 0-1, the distribution and transformation running state represents running when the value is 0, and the distribution and transformation running state represents maintenance when the value is 1; n represents the total number of the power supply distribution transformers of the primary important users x, N represents the maximum overhauling number of the power supply distribution transformers of the primary important users x,
Figure 563281DEST_PATH_IMAGE100
representing a second non-power-off checking sub index value;
the non-power-off check index value is the sum of the first non-power-off check index value and the second non-power-off check index value, namely
Figure 210163DEST_PATH_IMAGE102
。
When in use
Figure 100002_DEST_PATH_IMAGE103
>And when the time is 0, checking that the power is not passed without power outage, and judging that the power outage which is not allowed to occur is caused by considering the maintenance plan of the switching scheme in the time window.
In the embodiment of the present invention, for the current maintenance plan considering the transfer scheme, in the intersection time window of the associated maintenance plan and the current maintenance plan, the following conditions may be checked through non-power-outage: when the secondary part of the station end works or the secondary side of the UPS (uninterruptible power supply) fails and is not allowed to be powered off, a main network maintenance list is identified in a manual input mode, and if the equipment above 10 kilovolt buses (including 10 kilovolt sectional bus-coupled switches) is maintained in a power-off mode, the station is required to be powered off after the power supply mode is considered; when the 10kV bus and the 10kV distribution line power failure maintenance are carried out, the power failure of primary important users and secondary important users with double power supplies is avoided after the operation mode is considered to be converted.
In one embodiment of the present invention, since there is no load loss after the service order master-20211201 is transshipped, i.e. no significant customer outage is involved,
Figure 112260DEST_PATH_IMAGE103
the value is 0 and the maintenance schedule is checked without power outage as shown in table 6.
Table 6 non-power-off checking index parameter value table in one embodiment of the present invention
Figure 100002_DEST_PATH_IMAGE105
In an embodiment, the calculation method for power supply verification index value includes:
overlapping time windows of the crossover time window and the power conservation time are obtained. The power conservation time refers to a period of time during which power is not allowed to be cut in a certain place or area with special activity or significance, and is separately specified by government and company under discussion or decision, and is not connected with the crossing time window.
And calculating a power supply protection and check comprehensive parameter value, a power supply protection and check primary parameter value, a power supply protection and check secondary parameter value and a power supply protection and check tertiary parameter value based on the operation and stop states of the equipment in the transfer scheme, the current maintenance plan and the associated maintenance plan in the overlapped time window.
Wherein, the comprehensive parameter values for power supply verification are as follows:
Figure 100002_DEST_PATH_IMAGE107
in the formula (I), the compound is shown in the specification,
Figure 201043DEST_PATH_IMAGE108
、
Figure 100002_DEST_PATH_IMAGE109
each represents the initial 220 kv substation of any two 10kv distribution lines m, n in the supply path that supply the important user k.
The first-level parameter values of power supply verification are guaranteed as follows:
Figure 100002_DEST_PATH_IMAGE111
in the formula (I), the compound is shown in the specification,
Figure 149277DEST_PATH_IMAGE112
、
Figure 100002_DEST_PATH_IMAGE113
、
Figure 537533DEST_PATH_IMAGE114
、
Figure 100002_DEST_PATH_IMAGE115
、
Figure 559715DEST_PATH_IMAGE116
respectively representing the operation state of an ith 10-kilovolt power supply line, the operation state of an opposite-end line of a contact switch of the ith 10-kilovolt power supply line, the operation state of an ith alternating current line, the operation state of an ith main transformer and the operation state of an ith bus on a power supply path of a jth primary power protection user, wherein the variables are 0-1, the operation is represented when the value is 0, and the overhaul is represented when the value is 1; b represents the number of equipment on the power supply path of the primary power-protection users, and c represents the total number of the primary power-protection users.
The secondary parameter values of power supply verification are guaranteed as follows:
Figure 804752DEST_PATH_IMAGE118
in the formula (I), the compound is shown in the specification,
Figure 100002_DEST_PATH_IMAGE119
、
Figure 646806DEST_PATH_IMAGE120
the operation states of the ith 10-kilovolt line for supplying power to the jth secondary power protection user and the operation states of the line at the opposite end of the contact switch of the ith 10-kilovolt line for supplying power to the jth secondary power protection user are respectively represented by 0-1 variable, the operation is represented when the value is 0, the maintenance is represented when the value is 1, the total number of the secondary power protection users is represented by e, and the total number of the 10-kilovolt power supply lines of the secondary power protection users is represented by r.
The three-level parameter values of power supply verification are ensured as follows:
Figure 510857DEST_PATH_IMAGE122
in the formula (I), the compound is shown in the specification,
Figure DEST_PATH_IMAGE123
the operation state of the ith 10 kilovolt line for supplying power to the third-level power-protection user j is represented as 0-1 variable, the operation is represented when the value is 0, the overhaul is represented when the value is 1, H represents the total number of the third-level power-protection users, and F represents the total number of 10 kilovolt power supply lines of the third-level power-protection users.
The power protection and supply check index value is the sum of the power protection and supply check comprehensive parameter value, the power protection and supply check primary parameter value, the power protection and supply check secondary parameter value and the power protection and supply check tertiary parameter value, namely
Figure 387546DEST_PATH_IMAGE124
。
Optionally, the manner of acquiring the device information in this embodiment is as follows: the power supply distribution transformer of a power protection user is extracted by connecting an SG186 system power protection module and an OMS system interface, synchronizing power protection time and task requirements in the power protection module, and a power supply path of a corresponding distribution transformer is obtained based on a 'one-picture' module of a main distribution integrated system, wherein the power supply path relates to a 10 kilovolt feeder line, a 10 kilovolt bus, an alternating current line below 220 kilovolt, a transformer below 220 kilovolt and a bus below 220 kilovolt.
For a current service plan that considers a switch-over scheme, within the intersection time window of the associated service plan and the current service plan, the following may be checked by the protection power supply: two power supply sources of the electricity protection users cannot be sourced from the same 220 kV transformer substation, electricity is protected at one level or more, and no planned power failure is arranged on 10kV power supply lines, rotatable supply lines and power supply equipment with voltage levels of more than 10kV (to 220 kV buses) on power supply paths of the electricity protection users within electricity protection time; second-stage power protection, wherein 10KV power supply lines and transferable power supply lines of power protection users do not arrange planned power failure in power protection time; and (4) three-stage power protection, wherein planned power failure is not arranged on a 10kV power supply line of a power protection user within power protection time.
In an embodiment of the invention, a power protection task exists in a time range of-20211201 when the SG186 system acquires the maintenance list, the power protection object is a secondary power protection user, and the maintenance does not cause the power failure of 10 kilovolt power supply lines and a transferable line of the secondary power protection user through calculation, and the power supply is checked through 'power supply protection'.
Table 7 table for power supply verification index parameter values in an embodiment of the present invention
Figure 540834DEST_PATH_IMAGE126
In one embodiment, after calculating the non-risk increase check index value, the non-overload check index value, the non-power-off check index value and the power supply protection check index value, the two are added to obtain the safety index value
Figure DEST_PATH_IMAGE127
The calculation expression is as follows:
Figure DEST_PATH_IMAGE129
when in use
Figure 339026DEST_PATH_IMAGE127
>When 0, the system prompts the current maintenance plan to check whether the safety is passed or notThe current maintenance plan is preferably arranged, and the reason why the check fails and the condition of each link index are displayed according to the check index value without increasing risk, the check index value without overload, the check index value without power outage and the check index value with power protection.
In a particular embodiment of the present invention,
Figure 131402DEST_PATH_IMAGE072
、
Figure 269122DEST_PATH_IMAGE075
、
Figure 855961DEST_PATH_IMAGE103
、
Figure 79132DEST_PATH_IMAGE130
all the calculated values are 0, and the safety check comprehensive index is actually calculated
Figure 675198DEST_PATH_IMAGE127
The value is 0, the maintenance plan is judged to pass comprehensive safety check, and the power failure maintenance can be arranged.
After the current maintenance plan is checked, selecting the next maintenance plan as a new current maintenance plan; and when all the maintenance plans in the maintenance plan sequence obtain the corresponding safety check comprehensive index value, the safety check is completed.
The method for checking the maintenance plan provided by the embodiment of the invention is suitable for power failure planning and regulation and control operation of power grid equipment below 220 kilovolt of a metro power grid, including all power transmission and transformation equipment (namely a radiation network) below 220 kilovolt main transformers and 110 kilovolt. Loading all current maintenance plans in a scheduling and auditing stage through an OMS (operation, maintenance and management system) system, screening out maintenance plans which have time to cross with the current maintenance plan one by one, and performing non-risk-increasing verification in security verification by combining the plans in the same time window with the current maintenance plan in a manual input or automatic generation mode; performing non-overload check according to the real-time measurement data, the historical operation information and the rated parameters of the equipment; checking without power outage according to the special identification of the maintenance plan; synchronizing the power protection modules of the SG186 system, identifying a power supply path of 'one picture', and performing power protection and supply check; and finally, calculating the total index of the current analysis maintenance list, prompting a safety check result based on the index value, and entering the analysis process of the next maintenance plan. By implementing the method provided by the invention, the integrated analysis of each flow of the maintenance service can be carried out on a unified platform, the influence of the maintenance service on the safety of the power grid is evaluated in a manual mode, the maintenance plans which can cause the conditions of repeated power failure, heavy overload of operating equipment, single power supply of power protection users and the like are eliminated when the number of the plans is large, the maintenance plans of the main network and the distribution network are brought into the same category for checking, and the method has important significance for intelligently analyzing the maintenance orders and carrying out safety check by integrating various factors.
Compared with the traditional maintenance plan optimization and evaluation method based on maintenance resources, the embodiment of the invention takes the operation and stop state of equipment in the power grid as a basic unit for calculation, brings in the mutual exclusion and coupling relation of lines, main transformers, buses and loads of specific power topology evaluation voltage levels, has wide coverage, strong global property and flexible analysis, can be expanded and extended according to different power grid modes and power conservation requirements, comprises but not limited to four large indexes and a plurality of small parameters, and has higher evaluation efficiency when facing huge number of maintenance lists to be checked, complicated and various main distribution network lines in different areas and frequent power grid structure changes, And (4) strong universality.
The method uses discrete quantities to represent the operation and maintenance of equipment, calculates each analysis parameter by using a discrete function, linearly combines the total analysis parameters to obtain the power failure, risk, power conservation and overload checking result, has no problems of low multi-objective function convergence speed and large influence of an optimization method on the result, has parallel relation among all checking projects, can complete analysis and feedback of the result at a higher speed even when a large number of constraint conditions are added and the number of maintenance orders to be analyzed is large, accelerates the checking and adjustment of daily maintenance orders, is closer to the requirement of 'one vote' in the actual maintenance work, solves the problem that a unified platform is lacked in the existing system to integrate the appeal and the rule of each department for power failure operation for balancing and arrangement, effectively provides reference for power maintenance, switching operation and load transfer, reduces the maintenance safety risk and reduces the workload of mode personnel, and the level of grid service users is improved.
The method fully utilizes the 'power grid one-map' result, exerts the advantage of running-through of operation and distribution data, establishes an independent computing resource pool, integrates operation data of various calibers of local dispatching, marketing, operation and inspection, and distribution and adjustment, respectively evaluates the aspects of 'no power outage', 'no increase risk', 'no overload' and 'guaranteed power supply' by combining different professional rules, realizes 'primary information reporting-global checking and adjustment-batch investigation coordination' in a coupling computing mode, is more efficient compared with the modes of disordered information collection, manual experience domination and coordination of various calibers and communication standard distraction in the traditional method, and avoids omission and deficiency in the processes of reporting load conditions and tide numerical values through automatic transmission and synchronization.
The checking result gives the reason that the maintenance list should not be arranged, and the artificial intelligence is promoted to support the large maintenance and the large landing running in the actual power system to a certain extent; the invention also supports the self-definition of four indexes and parameters under the indexes, can add, delete and modify at any time, bypasses the characteristic that the disturbance resistance capability of the maintenance plan is difficult to quantify, ensures the application capability of the method under each scene, can adapt to the high-frequency change of the operation mode in time, and accurately conforms to the requirement of maintenance specialties on strict maintenance risk control.
As shown in fig. 2, an embodiment of the present invention provides an inspection plan checking apparatus, including:
a screening module 201, configured to screen out a current maintenance plan and a related maintenance plan in which maintenance time and the current maintenance plan intersect each other from all maintenance plans in a scheduling and auditing stage; for details, reference is made to the corresponding parts of the above method embodiments, which are not described herein again.
A transfer module 202, configured to generate a transfer scheme of the current maintenance plan; for details, reference is made to the corresponding parts of the above method embodiments, which are not described herein again.
The calculation module 203 is used for calculating a safety index in a crossing time window of the current maintenance plan and the associated maintenance plan based on the operation and stop states of the equipment in the transfer scheme, the current maintenance plan and the associated maintenance plan; for details, reference is made to the corresponding parts of the above method embodiments, which are not described herein again.
And the judging module 204 is configured to judge whether the check passes according to whether the safety index value meets a preset requirement, so as to obtain a safety check result of the current maintenance plan. For details, reference is made to the corresponding parts of the above method embodiments, which are not described herein again.
The maintenance plan checking device provided by the embodiment of the invention screens out a current maintenance plan and a related maintenance plan with crossed maintenance time and the current maintenance plan from all maintenance plans in a scheduling and auditing stage, then generates a transfer scheme of the current maintenance plan, calculates a safety index value in a crossed time window of the current maintenance plan and the related maintenance plan based on the transfer scheme, the current maintenance plan and the operation and stop states of equipment in the related maintenance plan, and finally judges whether the checking passes according to whether the safety index value meets a preset requirement or not to obtain a safety checking result of the current maintenance plan. The safety index value is calculated based on the operation states of the equipment in the current maintenance plan and the associated maintenance plan in the supply transfer scheme and the cross time window, the state that a plurality of maintenance plans are carried out simultaneously after supply transfer is comprehensively considered for safety check, potential safety hazards generated on a power grid when the plurality of maintenance plans are carried out simultaneously are avoided, and therefore reasonable check is carried out on the maintenance plans, and a reasonable check result is obtained.
An embodiment of the present invention further provides an electronic device, including: the memory 702 and the processor 701 are communicatively connected with each other, the memory 702 and the processor 701 are connected with each other, the memory 702 stores computer instructions, and the processor 701 executes the computer instructions to execute the service plan checking method according to the above-described method embodiment of the present invention, as shown in fig. 3, and includes the memory 702 and the processor 701, where the processor 701 and the memory 702 may be connected by a bus or in other manners. Processor 701 may be a Central Processing Unit (CPU). The processor 701 may also be other general purpose processors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or combinations thereof. The memory 702, which is a non-transitory computer storage medium, may be used to store non-transitory software programs, non-transitory computer-executable programs, and modules, such as the corresponding program instructions/modules in embodiments of the present invention. The processor 701 executes various functional applications and data processing of the processor 701 by executing non-transitory software programs, instructions and modules stored in the memory 702, that is, implements the roundabout segment guidance method in the above method embodiment. The memory 702 may include a storage program area and a storage data area, wherein the storage program area may store an application program required for operating the device, at least one function; the storage data area may store data created by the processor 701, and the like. Further, the memory 702 may include high-speed random access memory 702, and may also include non-transitory memory 702, such as at least one piece of disk memory 702, flash memory device, or other non-transitory, solid-state memory 702. In some embodiments, memory 702 may optionally include memory 702 located remotely from processor 701, and such remote memory 702 may be coupled to processor 701 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof. One or more modules are stored in the memory 702, which when executed by the processor 701 perform a service plan verification method as in the above-described method embodiments. The specific details of the electronic device may be understood according to the related descriptions and effects corresponding to the method embodiments, and are not described herein again.
Embodiments of the present invention further provide a computer-readable storage medium, on which a computer program is stored, where the instructions, when executed by a processor, implement the steps of the maintenance plan checking method in the foregoing embodiments. The storage medium is also stored with audio and video stream data, characteristic frame data, an interactive request signaling, encrypted data, preset data size and the like. The storage medium may be a magnetic disk, an optical disk, a Read-only memory (ROM), a Random Access Memory (RAM), a flash memory (flash memory), a hard disk (hard disk drive, abbreviated as HDD) or a Solid State Drive (SSD), etc.; the storage medium may also comprise a combination of memories of the kind described above. It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware related to instructions of a computer program, and the computer program can be stored in a computer readable storage medium, and when executed, the computer program can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-only memory (ROM), a Random Access Memory (RAM), a flash memory (FlashMemory), a hard disk (hard disk drive, abbreviated as HDD) or a Solid State Drive (SSD), etc.; the storage medium may also comprise a combination of memories of the kind described above.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (4)

1. A maintenance plan checking method is characterized by comprising the following steps:
screening out a current maintenance plan and a related maintenance plan with maintenance time crossed with the current maintenance plan from all maintenance plans in a scheduling and auditing stage;
generating a transfer scheme of the current maintenance plan;
calculating a safety index value in a crossing time window of the current maintenance plan and the associated maintenance plan based on the operational stop states of the equipment in the supply transfer scheme, the current maintenance plan and the associated maintenance plan, wherein the calculation mode of the safety index value is as follows:
Figure 165816DEST_PATH_IMAGE002
；
Figure DEST_PATH_IMAGE003
in order to obtain a safe index value,
Figure 285081DEST_PATH_IMAGE004
checks the index without increasing risk, and
Figure 881279DEST_PATH_IMAGE006
Figure 312260DEST_PATH_IMAGE008
Figure 284895DEST_PATH_IMAGE010
Figure 852143DEST_PATH_IMAGE012
Figure 619242DEST_PATH_IMAGE014
Figure 209623DEST_PATH_IMAGE016
wherein the content of the first and second substances,
Figure DEST_PATH_IMAGE017
representing a first non-risk-enhancing syndrome index value,
Figure 672702DEST_PATH_IMAGE018
、
Figure DEST_PATH_IMAGE019
respectively representing the operation states of an ith 220 kilovolt bus and an ith 110 kilovolt bus of a 220 kilovolt k substation, wherein the variables are 0-1, the operation of the corresponding bus is represented when the value is 0, and the maintenance of the corresponding bus is represented when the value is 1; n and m represent the number of 220 kv and 110kv busbars of the k substation respectively,
Figure 314030DEST_PATH_IMAGE020
representing a second non-risk-enhancing syndrome index value,
Figure DEST_PATH_IMAGE021
、
Figure 124466DEST_PATH_IMAGE022
respectively representing the running state of a main power supply line of a 110KV double-power-supply-I transformer station and the running state of a main power supply line of a power transfer station h, wherein the variables are 0-1, the running is represented when the value is 0, the maintenance is represented when the value is 1,
Figure DEST_PATH_IMAGE023
a third non-risk-enhancing syndrome index value is represented,
Figure 405406DEST_PATH_IMAGE024
the i line running state for supplying power to the important user j is represented as 0-1 variable, running is represented when the value is 0, maintenance is represented when the value is 1,
Figure DEST_PATH_IMAGE025
represents the total number of power supplies of the important users j,
Figure 188685DEST_PATH_IMAGE026
representing the total number of significant users within the time window of the intersection,
Figure 730525DEST_PATH_IMAGE028
a value representing a risk parameter of the important user j,
Figure DEST_PATH_IMAGE029
a fourth non-risk-enhancing syndrome index value is represented,
Figure 636164DEST_PATH_IMAGE030
the operation state of power lines from a T-connection line j to two substations of the same power station is shown, the outage is shown as 1, the operation is shown as 0, the subscript i is a line number, the T-connection line has 3 lines,
Figure DEST_PATH_IMAGE031
a value representing a risk parameter for the T-junction j,
Figure 669979DEST_PATH_IMAGE032
indicates the total number of T-connected lanes j,
Figure DEST_PATH_IMAGE033
the index value of the fifth risk-free syndrome corrector is represented, K represents a superior substation for supplying power to the substation operated by a single power supply,
Figure 53687DEST_PATH_IMAGE034
the operation state of the power supply circuit of the superior substation K is represented by 0-1 variable, the operation is represented when the value is 0, the maintenance is represented when the value is 1,
Figure DEST_PATH_IMAGE035
is shown onThe total number of power supplies of the stage substation K;
Figure DEST_PATH_IMAGE037
Figure DEST_PATH_IMAGE039
wherein the content of the first and second substances,
Figure 797171DEST_PATH_IMAGE040
the real-time active power of the master network device i representing the load receiving the impact of the outage when switching over,
Figure DEST_PATH_IMAGE041
represents the amount of power transferred to the re-feeding device,
Figure 545815DEST_PATH_IMAGE042
which represents the power rating of the device i,
Figure DEST_PATH_IMAGE043
a parameter representing the load situation of the device i,
Figure 66927DEST_PATH_IMAGE044
indicating a non-overload check index value;
Figure 847801DEST_PATH_IMAGE046
Figure 239599DEST_PATH_IMAGE048
Figure 80516DEST_PATH_IMAGE050
wherein, the first and the second end of the pipe are connected with each other,
Figure DEST_PATH_IMAGE051
in order to check the index value without power failure,
Figure 88923DEST_PATH_IMAGE052
the bus running state of the secondary equipment with the identification is represented and is 0-1 variable, running is represented when the value is 0, and maintenance is represented when the value is 1; z represents the total number of identified secondary devices,
Figure DEST_PATH_IMAGE053
representing a first non-power-off check sub index value,
Figure 80013DEST_PATH_IMAGE054
、
Figure DEST_PATH_IMAGE055
respectively representing the distribution and transformation running state of a primary important user x and the distribution and transformation running state of a secondary user y with double power supplies, wherein the variables are 0-1, the distribution and transformation running state represents running when the value is 0, and the distribution and transformation running state represents maintenance when the value is 1; n represents the total number of the power supply distribution transformers of the primary important users x, N represents the maximum overhauling number of the power supply distribution transformers of the primary important users x,
Figure 857476DEST_PATH_IMAGE056
representing a second non-power-off checking sub index value;
Figure 741731DEST_PATH_IMAGE058
Figure 565331DEST_PATH_IMAGE060
Figure 828953DEST_PATH_IMAGE062
Figure 54398DEST_PATH_IMAGE064
Figure 112484DEST_PATH_IMAGE066
Figure DEST_PATH_IMAGE067
in order to ensure the power supply to check the index value,
Figure 829904DEST_PATH_IMAGE068
、
Figure DEST_PATH_IMAGE069
、
Figure 162796DEST_PATH_IMAGE070
and
Figure DEST_PATH_IMAGE071
respectively checking the comprehensive parameter values for power protection and supply, the primary parameter values for power protection and supply, the secondary parameter values for power protection and supply and third parameter values for power protection and supply,
Figure 649272DEST_PATH_IMAGE072
、
Figure DEST_PATH_IMAGE073
respectively representing the initial 220 kv substations of any two 10kv distribution lines m, n in the supply path for supplying the important subscribers k,
Figure 674997DEST_PATH_IMAGE074
、
Figure DEST_PATH_IMAGE075
、
Figure 879714DEST_PATH_IMAGE076
、
Figure DEST_PATH_IMAGE077
、
Figure 804245DEST_PATH_IMAGE078
respectively representing the operation state of an ith 10-kilovolt power supply line, the operation state of an opposite-end line of a contact switch of the ith 10-kilovolt power supply line, the operation state of an ith alternating current line, the operation state of an ith main transformer and the operation state of an ith bus on a power supply path of a jth primary power protection user, wherein the variables are 0-1, the operation is represented when the value is 0, and the overhaul is represented when the value is 1; b represents the number of equipment on the power supply path of the primary power-preserving users, c represents the total number of the primary power-preserving users,
Figure DEST_PATH_IMAGE079
、
Figure 145228DEST_PATH_IMAGE080
respectively representing the operation state of the ith 10 kilovolt line for supplying power to the jth secondary power protection user and the operation state of the opposite-end line of the contact switch of the ith 10 kilovolt line for supplying power to the jth secondary power protection user, wherein the variables are 0-1, the operation is represented when the value is 0, the maintenance is represented when the value is 1, e represents the total number of the secondary power protection users, r represents the total number of the 10 kilovolt power supply lines of the secondary power protection users,
Figure DEST_PATH_IMAGE081
the operation state of the ith 10 kilovolt line for supplying power to the third-level power protection user j is represented as 0-1 variable, the operation is represented when the value is 0, the overhaul is represented when the value is 1, H represents the total number of the third-level power protection users, and F represents the total number of 10 kilovolt power supply lines of the third-level power protection users; judging whether the checking is passed according to whether the safety index value meets the preset requirement or not to obtain the current timeAnd (5) safety checking results of the previous maintenance plan.
2. An inspection plan checking device, comprising:
the screening module is used for screening out the current maintenance plan and the associated maintenance plan with the crossed maintenance time and the current maintenance plan from all the maintenance plans in the scheduling and auditing stage;
the transfer module is used for generating a transfer scheme of the current maintenance plan;
a calculation module, configured to calculate a safety index value in an intersection time window of the current maintenance plan and the associated maintenance plan based on the outage states of the devices in the transfer scheme, the current maintenance plan, and the associated maintenance plan, where the safety index value is calculated in the following manner:
Figure DEST_PATH_IMAGE083
；
Figure 748379DEST_PATH_IMAGE003
in order to obtain a safe index value,
Figure 33867DEST_PATH_IMAGE084
checks the index without increasing risk, and
Figure 177403DEST_PATH_IMAGE086
Figure 231947DEST_PATH_IMAGE088
Figure 68316DEST_PATH_IMAGE090
Figure 309941DEST_PATH_IMAGE092
Figure 257169DEST_PATH_IMAGE094
Figure 431798DEST_PATH_IMAGE096
wherein the content of the first and second substances,
Figure DEST_PATH_IMAGE097
representing a first non-risk-enhancing syndrome index value,
Figure 704648DEST_PATH_IMAGE098
、
Figure DEST_PATH_IMAGE099
respectively representing the operation states of an ith 220 KV bus and an ith 110KV bus of a 220 KV k substation, wherein the variables are 0-1, the operation of the corresponding bus is represented when the value is 0, and the overhaul of the corresponding bus is represented when the value is 1; n and m represent the number of 220 kv and 110kv busbars of the k substation respectively,
Figure 368323DEST_PATH_IMAGE100
representing a second non-risk-enhancing syndrome index value,
Figure DEST_PATH_IMAGE101
、
Figure 384820DEST_PATH_IMAGE102
respectively representing the running state of a main power supply line of a 110KV double-power-supply-I transformer station and the running state of a main power supply line of a power transfer station h, wherein the variables are 0-1, the running is represented when the value is 0, the maintenance is represented when the value is 1,
Figure DEST_PATH_IMAGE103
a third non-risk-enhancing syndrome index value is represented,
Figure 820481DEST_PATH_IMAGE024
the i line running state for supplying power to the important user j is represented as 0-1 variable, running is represented when the value is 0, maintenance is represented when the value is 1,
Figure 733073DEST_PATH_IMAGE104
represents the total number of power supplies of the important users j,
Figure DEST_PATH_IMAGE105
representing the total number of significant users within the time window of the intersection,
Figure DEST_PATH_IMAGE107
a value representing a risk parameter of the important user j,
Figure 418132DEST_PATH_IMAGE029
a fourth non-risk-enhancing syndrome index value is represented,
Figure 707162DEST_PATH_IMAGE030
the operation state of power lines from a T-connection line j to two substations of the same power station is shown, the outage is shown as 1, the operation is shown as 0, the subscript i is a line number, the T-connection line has 3 lines,
Figure 590805DEST_PATH_IMAGE031
a value representing a risk parameter for the T-junction j,
Figure 939878DEST_PATH_IMAGE032
indicates the total number of T-connected lanes j,
Figure 908971DEST_PATH_IMAGE033
the index value of the fifth risk-free syndrome corrector is represented, and K represents the transformation for single power supply operationA superior substation for supplying power to the substation,
Figure 736112DEST_PATH_IMAGE034
the operation state of the power supply circuit of the superior substation K is represented by 0-1 variable, the operation is represented when the value is 0, the maintenance is represented when the value is 1,
Figure 739840DEST_PATH_IMAGE035
representing the total number of power supplies of the upper-level substation K;
Figure DEST_PATH_IMAGE109
Figure DEST_PATH_IMAGE111
wherein the content of the first and second substances,
Figure 731586DEST_PATH_IMAGE040
the real-time active power of the master network device i representing the load receiving the impact of the outage when switching over,
Figure 63341DEST_PATH_IMAGE041
represents the amount of power transferred to the re-feeding device,
Figure 818808DEST_PATH_IMAGE042
which represents the power rating of the device i,
Figure 365458DEST_PATH_IMAGE043
a parameter indicative of the load situation of the device i,
Figure 587492DEST_PATH_IMAGE044
indicating a non-overload check index value;
Figure DEST_PATH_IMAGE113
Figure DEST_PATH_IMAGE115
Figure DEST_PATH_IMAGE117
wherein, the first and the second end of the pipe are connected with each other,
Figure 278980DEST_PATH_IMAGE051
in order to check the index value without power failure,
Figure 447924DEST_PATH_IMAGE052
the bus running state of the secondary equipment with the identification is represented and is 0-1 variable, running is represented when the value is 0, and maintenance is represented when the value is 1; z represents the total number of identified secondary devices,
Figure 160665DEST_PATH_IMAGE053
representing a first non-power-off check sub index value,
Figure 756863DEST_PATH_IMAGE054
、
Figure 187844DEST_PATH_IMAGE055
respectively representing the distribution and transformation running state of a primary important user x and the distribution and transformation running state of a secondary user y with double power supplies, wherein the variables are 0-1, the distribution and transformation running state represents running when the value is 0, and the distribution and transformation running state represents maintenance when the value is 1; n represents the total number of the power supply distribution transformers of the primary important users x, N represents the maximum overhauling number of the power supply distribution transformers of the primary important users x,
Figure 160479DEST_PATH_IMAGE056
representing a second non-power-off checking sub index value;
Figure DEST_PATH_IMAGE119
Figure DEST_PATH_IMAGE121
Figure 352162DEST_PATH_IMAGE123
Figure 509474DEST_PATH_IMAGE125
Figure 303118DEST_PATH_IMAGE127
Figure 938498DEST_PATH_IMAGE067
in order to ensure the power supply to check the index value,
Figure 501198DEST_PATH_IMAGE068
、
Figure 829411DEST_PATH_IMAGE069
、
Figure 579192DEST_PATH_IMAGE070
and
Figure 283843DEST_PATH_IMAGE071
respectively checking the comprehensive parameter values for power protection and supply, the primary parameter values for power protection and supply, the secondary parameter values for power protection and supply and third parameter values for power protection and supply,
Figure 701049DEST_PATH_IMAGE072
、
Figure 200163DEST_PATH_IMAGE073
respectively representing the initial 220 kv substations of any two 10kv distribution lines m, n in the supply path for supplying the important subscribers k,
Figure 702820DEST_PATH_IMAGE074
、
Figure 680003DEST_PATH_IMAGE075
、
Figure 217295DEST_PATH_IMAGE076
、
Figure 887311DEST_PATH_IMAGE077
、
Figure 877264DEST_PATH_IMAGE078
respectively representing the operation state of an ith 10-kilovolt power supply line, the operation state of an opposite-end line of a contact switch of the ith 10-kilovolt power supply line, the operation state of an ith alternating current line, the operation state of an ith main transformer and the operation state of an ith bus on a power supply path of a jth primary power protection user, wherein the variables are 0-1, the operation is represented when the value is 0, and the overhaul is represented when the value is 1; b represents the number of equipment on the power supply path of the primary power-preserving users, c represents the total number of the primary power-preserving users,
Figure 658138DEST_PATH_IMAGE079
、
Figure 47006DEST_PATH_IMAGE080
respectively representing the operation state of the ith 10 kilovolt line for supplying power to the jth secondary power protection user and the operation state of the contact switch opposite-end line of the ith 10 kilovolt line for supplying power to the jth secondary power protection user, wherein the operation state is 0-1 variable, the operation is represented when the value is 0, the maintenance is represented when the value is 1, the total number of the secondary power protection users is represented by e, and the r is represented by the operation state of the second power protection userThe total number of 10 kilovolt power supply lines,
Figure 887923DEST_PATH_IMAGE081
the operation state of the ith 10 kilovolt line for supplying power to the third-level power protection user j is represented as 0-1 variable, the operation is represented when the value is 0, the overhaul is represented when the value is 1, H represents the total number of the third-level power protection users, and F represents the total number of 10 kilovolt power supply lines of the third-level power protection users;
and the judging module is used for judging whether the checking passes according to whether the safety index value meets the preset requirement, and obtaining the safety checking result of the current maintenance plan.
3. An electronic device, comprising: a memory and a processor, the memory and the processor being communicatively coupled to each other, the memory storing computer instructions, and the processor executing the computer instructions to perform the service plan checking method of claim 1.
4. A computer-readable storage medium storing computer instructions for causing a computer to perform the service plan checking method of claim 1.
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* Cited by examiner, † Cited by third party
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CN112217214A (en) * 2020-08-17 2021-01-12 重庆大学 Coordinated transfer optimization method for multistage high-voltage power distribution network
CN112561248A (en) * 2020-11-27 2021-03-26 国电南瑞南京控制系统有限公司 Intelligent analysis and control method and system for power failure plan of main and distribution network dispatching
CN113052362A (en) * 2021-02-20 2021-06-29 国网江苏省电力有限公司苏州供电分公司 Main distribution collaborative maintenance plan time window optimization method and system

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