CN111967658A - Comprehensive power failure analysis method based on marketing and distribution information integration platform - Google Patents
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Abstract
The invention relates to a comprehensive power failure analysis method based on an operation and distribution information integration platform, which is a flow chart of the method as shown in figure 1 and comprises the following steps: the method comprises the following steps of main network plan influence analysis, power failure plan comprehensive analysis, plan auxiliary arrangement, load transfer energy supply evaluation and power failure simulation, and basic data acquisition from a distribution network management production system, a marketing management system, a main network production management system, a GIS platform, a metering automation system and a main/distribution network scheduling automation system; the basic data includes: topology data, a main network power failure plan, distribution transformer load data, equipment ledger data, line load and switch state data. By considering factors such as a main distribution network power failure plan, a client power failure application, a load transfer capacity and a power grid safety risk, the power failure plan of the main distribution network and the distribution network is optimized, the power failure times are reduced, the power failure range is reduced, the power failure time is shortened, the safe and stable operation of the power grid is ensured, and the lean management level is improved.
Description
Technical Field
The invention relates to the field of power systems, in particular to a comprehensive power failure analysis method based on an operation and distribution information integration platform.
Background
The management of the power failure plan is an important task of a power supply enterprise, and is related to the safe and reliable operation, the economical efficiency and the social benefit of a power grid. Along with the continuous increase of the power grid scale, the equipment data is increased, the power load can be rapidly increased, the complexity of power failure management becomes higher and higher, and meanwhile, the requirements of users on power supply reliability and power supply quality are higher and higher, so that higher requirements are provided for the power failure management level.
The service flow of power failure plan management is complex, most of the power companies establish a power failure plan flow management system at present, but power failure plan compilation work is mainly carried out in a mode of manual compilation, conference starting discussion and the like, the control on the frequency of power failure of equipment and power failure events is not very accurate, the problems of repeated power failure or overscaled household number and the like during power failure are caused, and the reliability is not guaranteed; lack of timely and effective information support and safety analysis tools, resulting in that the problems such as whether the distribution plan is omitted for the same-pole erected and crossed lines, whether the important users and the dual-power users are affected in the specified power failure plan, whether the power failure range and the power failure time conflict with the power protection task, and the like cannot be mastered in time, and the established power failure plan may need to be repeatedly discussed and repeatedly modified, so that the workload is heavy and the efficiency is low.
Disclosure of Invention
The invention aims to overcome at least one defect (deficiency) in the prior art, provides a comprehensive power failure analysis method based on an operation and distribution information integration platform, and achieves the purposes of optimizing a prearranged power failure plan of a main network and a distribution network, reducing the power failure times, shortening the power failure range and shortening the power failure time.
The technical scheme adopted by the invention is as follows:
the comprehensive power failure analysis method based on the operation and distribution information integration platform is provided and comprises the following steps: the method comprises the following steps of main network plan influence analysis, power failure plan comprehensive analysis, plan auxiliary arrangement, load transfer energy supply evaluation and power failure simulation, and basic data acquisition from a distribution network management production system, a marketing management system, a main network production management system, a GIS platform, a metering automation system and a main/distribution network scheduling automation system; the basic data includes: topology data, a main network power failure plan, distribution transformer load data, equipment ledger data, line load and switch state data;
the main network plan influence analysis comprises the following steps: analyzing a distribution network power failure plan influenced by the main network power failure plan according to all distribution network power failure plans, topology data and the main network power failure plan provided by the distribution network production management system, and associating the influenced distribution network power failure plan with the main network power failure plan;
the power failure plan comprehensive analysis comprises the following steps: analyzing the association condition of the current distribution network power failure plan and the distribution network power failure plan to be completed according to the topological data;
the plan auxiliary arrangement comprises the following steps: automatically arranging and optimizing all distribution network power failure plans according to the association condition of the distribution network power failure plan and the main network power failure plan analyzed according to the influence of the main network plan and the association condition of the current distribution network power failure plan and the distribution network power failure plan to be completed to obtain an optimized power failure plan;
the load-to-energy power evaluation is as follows: analyzing whether a line for power failure line transfer in a distribution network power failure plan is overloaded and whether a transferred main transformer after power failure is overloaded according to the topological data, the equipment ledger data, the distribution transformer load data, the line load and the switch state data, and forming a power transfer scheme according to an analysis result;
the simulated power failure is as follows: and simulating power failure according to the optimized power failure plan obtained by plan auxiliary arrangement and the power supply conversion scheme for load power supply evaluation.
Analyzing the condition that the main network power failure plan influences the distribution network power failure plan, and optimizing the pre-arranged power failure plan of the main network and the distribution network according to the analysis result; the main network power failure plan and the distribution network power failure plan to be completed are optimized by analyzing the correlation condition of the current distribution network power failure plan and the distribution network power failure plan to be completed, so that the power failure times are reduced, the power failure range is narrowed, the power failure time is shortened, and the lean management level is improved.
Further, the basic data also comprises team information;
the method further includes a projected workload balance analysis: evaluating the workload of each team according to the number of the power failure plans of all distribution networks, the types of equipment related to the power failure plans of all distribution networks and team information;
the planning assisted choreography further comprises: and automatically arranging and optimizing the power failure plans of all distribution networks according to the workload evaluation results of all the teams and groups to obtain the optimized power failure plans.
The distribution network power failure plan is arranged and optimized according to the workload evaluation results of the groups by evaluating the workload of the groups, so that the balance of the distribution network power failure plan is improved, and the distribution network power failure plan is more performable.
Further, the basic data also comprises electricity customer information;
the method further comprises user impact analysis: analyzing the influence condition of the distribution network power failure plan on the user and the power failure user information according to the distribution network power failure plan and the power utilization client information;
the planning assisted choreography further comprises: and automatically arranging and optimizing all distribution network power failure plans according to the influence conditions of the distribution network power failure plans on users and the power failure user information to obtain the optimized power failure plans.
By analyzing the influence of the distribution network power failure plan on the user and the power failure user information, the distribution network power failure plan is made to definitely influence the user during the making process, and data support is provided for a decision maker.
Further, the influence condition comprises whether important users are powered off or not, multiple power users are powered off and repeated power failures are caused.
Further, the equipment standing book data comprises the model of the equipment and the priority thereof; the power failure simulation according to the optimized power failure plan obtained by plan auxiliary arrangement and the power supply conversion scheme for load power supply evaluation further comprises the following steps: generating a simulated power failure report after the simulated power failure is carried out;
the simulation power failure report comprises the number of power failures of important users in the simulation power failure, the number of power failures of multiple power users, the number of equipment with each priority and the power failure duration.
By generating the simulated power failure report, accurate data is provided, and data support is provided for decision makers.
Further, the basic data also comprises a fault power failure event, a peak load limit event and an owing fee default power failure event;
the method further comprises power outage monitoring: and counting the fault power failure event, the peak load shifting power limiting event and the arrearage default power failure event, and displaying specific power failure lines of the fault power failure event, the peak load shifting power limiting event and the arrearage default power failure event on the GIS platform.
Further, the user influence analysis further comprises the steps of analyzing power failure users caused by the distribution network power failure plan to form a power failure user list, and counting the number of the power failure users.
Further, the user influence analysis further comprises the step of analyzing whether the number of the power failure users exceeds the limit, and if so, sending a power failure risk prompt for the users.
The power failure risk reminding of the users is sent out through the distribution network power failure plan with the number of the power failure users exceeding the limit, so that the power failure plan can be reminded of making and auditing personnel to pay attention.
Further, the analyzing the association between the current distribution network blackout plan and the distribution network blackout plan to be completed according to the topology data specifically includes: the power failure equipment of the current distribution network power failure plan is consistent with the power failure equipment of the distribution network power failure plan to be completed, but the power failure time of the current distribution network power failure plan is different from that of the distribution network power failure plan to be completed, and the power failure equipment are related; the power failure equipment of the current distribution network power failure plan is different from the power failure equipment of the distribution network power failure plan to be completed, but the mutual influence is related.
The power supply reliability is improved by analyzing the association condition of the current distribution network power failure plan and the distribution network power failure plan to be completed and combining or adjusting the distribution network power failure plan according to the analysis result.
Further, the main network power failure plan comprises a main network 10kV bus power failure plan, a main network 110kV main transformer power failure plan and a main network 110kV line power failure plan; the analysis of the distribution network power failure plan affected by the main network power failure plan according to all distribution network power failure plans, topology data and the main network power failure plan provided by the distribution network production management system specifically comprises the following steps: analyzing a distribution network power failure plan influenced by the power failure plan of the main network 10kV bus according to the topological data and the power failure plan of the main network 10kV bus; analyzing a distribution network power failure plan influenced by the main network 110kV main transformer power failure plan according to the topological data and the main network 110kV main transformer power failure plan; and analyzing a distribution network power failure plan influenced by the power failure plan of the 110kV main network line according to the topological data and the power failure plan of the 110kV main network line.
The distribution network power failure plan influenced by the main network power failure plan is analyzed, and the distribution network power failure plan is adjusted according to the analysis result, so that the distribution network power failure times are reduced.
Further, the plan auxiliary arrangement further comprises displaying the optimized power failure plan in a list form; the optimized power failure plan comprises a power failure range, original plan starting time and power failure construction period, and suggested starting time and power failure construction period.
Compared with the prior art, the invention has the beneficial effects that: by considering factors such as the power failure plan of the main and distribution networks, the power failure application of the client, the load transfer capacity, the safety risk of the power grid and the like, the invention optimizes the prearranged power failure plan of the main and distribution networks, reduces the power failure times, reduces the power failure range, shortens the power failure time, ensures the safe and stable operation of the power grid, and improves the lean management level.
Drawings
Fig. 1 is a schematic flow chart of a comprehensive power failure analysis method based on an operation and distribution information integration platform according to the present invention.
Detailed Description
The drawings are only for purposes of illustration and are not to be construed as limiting the invention. For a better understanding of the following embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The embodiment provides a comprehensive power failure analysis method based on a marketing and distribution information integration platform, as shown in fig. 1, which is a flowchart of the method, and the method includes: the method comprises the following steps of main network plan influence analysis, power failure plan comprehensive analysis, plan auxiliary arrangement, load transfer energy supply evaluation and power failure simulation, and basic data acquisition from a distribution network management production system, a marketing management system, a main network production management system, a GIS platform, a metering automation system and a main/distribution network scheduling automation system; the basic data includes: topology data, a main network power failure plan, distribution transformer load data, equipment ledger data, line load and switch state data;
the main network plan influence analysis comprises the following steps: analyzing a distribution network power failure plan influenced by the main network power failure plan according to all distribution network power failure plans, topology data and the main network power failure plan provided by the distribution network production management system, and associating the influenced distribution network power failure plan with the main network power failure plan;
the power failure plan comprehensive analysis comprises the following steps: analyzing the association condition of the current distribution network power failure plan and the distribution network power failure plan to be completed according to the topological data;
the plan auxiliary arrangement comprises the following steps: automatically arranging and optimizing all distribution network power failure plans according to the association condition of the distribution network power failure plan and the main network power failure plan analyzed according to the influence of the main network plan and the association condition of the current distribution network power failure plan and the distribution network power failure plan to be completed to obtain an optimized power failure plan;
the load-to-energy power evaluation is as follows: analyzing whether a line for power failure line transfer in a distribution network power failure plan is overloaded and whether a transferred main transformer after power failure is overloaded according to the topological data, the equipment ledger data, the distribution transformer load data, the line load and the switch state data, and forming a power transfer scheme according to an analysis result;
the simulated power failure is as follows: and simulating power failure according to the optimized power failure plan obtained by plan auxiliary arrangement and the power supply conversion scheme for load power supply evaluation.
In the specific implementation process of the embodiment, basic data is acquired from a distribution network management production system, a marketing management system, a main network production management system, a GIS platform, a metering automation system and a main/distribution network scheduling automation system; the basic data includes: the method comprises the steps that topological data, a main network power failure plan, distribution transformer load data, equipment account data, line load and switch state data are analyzed to obtain a distribution network power failure plan affected by the main network power failure plan according to all distribution network power failure plans, topological data and main network power failure plans provided by a distribution network production management system, the affected distribution network power failure plan is associated with the main network power failure plan, specifically, upper-level power supplies (such as a main transformer, a bus and the like) corresponding to the distribution network power failure plan are analyzed according to the topological connection relation of a main network and a distribution network, and if the corresponding upper-level power supplies exist in the related main network power failure plans, namely the distribution network power failure plan is affected by the main network power failure plan, the distribution network power failure plan is associated with the main network power failure plan; analyzing the association condition of the current distribution network power failure plan and the distribution network power failure plan to be completed according to the topological data, and specifically analyzing the association condition of the current distribution network power failure plan and the distribution network power failure plan to be completed according to the topological relation of the power grid; then, optimizing the power failure plan of the main network and the distribution network according to the correlation condition of the power failure plan of the main network and the distribution network, specifically, adjusting the power failure time period of the power failure plan of the distribution network to be consistent with the power failure time period of the power failure plan of the main network, so that the power failure times of the distribution network are reduced; the distribution network power failure plan is merged or adjusted according to the association condition of the current distribution network power failure plan and the distribution network power failure plan to be completed, and the distribution network power failure plan is arranged so as to improve the planning efficiency and reduce the power failure times; analyzing whether a line which is supplied by a power failure line in a power failure plan of a distribution network is overloaded or not and whether a main transformer which is supplied by the power failure line is overloaded or not according to topological data, equipment account data, distribution transformer load data, line load and switch state data, and forming a power transfer scheme according to an analysis result, wherein the load which is supplied by the power failure line and needs to be transferred is analyzed, basic information of the power failure line is displayed, the basic information comprises power failure application form number, feeder line name, an outgoing switch, a power supply bus, a transformer substation which belongs to the power failure line, a reference load which is supplied by the power failure line and a district which the power failure line belongs to is analyzed, line information which can be used for transferring power to the power failure line is analyzed, the line information comprises the name of the power transfer line and; line information which can be supplied for a power failure line is obtained based on power grid topology, whether the power failure line is overloaded after power supply is converted is analyzed, whether a power supply main transformer after power supply is overloaded is analyzed based on a main network topology relation, and scientific basis is provided for power failure plan examination and approval; finally, simulating power failure according to the optimized power failure plan obtained by plan auxiliary arrangement and a power supply conversion scheme for load power supply evaluation; the simulation power failure specifically comprises: on a wiring diagram, the operation mode of a power grid is adjusted in a simulated mode by changing the state of a switch; after the operation mode is adjusted in a simulated mode on the wiring diagram, displaying the affected power failure equipment (various equipment such as a transformer, a switch and the like) in a highlight mode, and displaying the affected transformer by using a list; according to the power failure equipment and by combining historical load data of the equipment, carrying out overload analysis on other equipment; displaying other supposed fault equipment according to the existing power failure equipment; and visually displaying the list of the affected users according to the selected power failure equipment. According to the operation mode change (planning equipment power failure, power supply conversion or equipment virtual fault), the power grid topological relation and the load data are combined for calculation, the influence range and the power supply conversion scheme are analyzed, and a decision is provided for the performability of power failure planning.
In this embodiment, the basic data further includes team information; the method further includes a projected workload balance analysis: evaluating the workload of each team according to the number of the power failure plans of all distribution networks, the types of equipment related to the power failure plans of all distribution networks and team information; the planning assisted choreography further comprises: and automatically arranging and optimizing the power failure plans of all distribution networks according to the workload evaluation results of all the teams and groups to obtain the optimized power failure plans.
In the specific implementation process of this embodiment, first, the parameters of workload statistics are configured: setting the maximum value of the daily workload of the team, namely an alert value; setting the granularity of workload decomposition, and supporting the workload decomposition by taking days, hours and minutes as units; then, calculating and displaying the workload of the selected team according to the workload decomposition granularity: 1) the workload of any team can be specified: i when no team is specified, representing the workload of checking the regional bureau; ii represents the workload of viewing a group when the group is specified; 2) and calculating the workload of the team according to the business rules: i, when no team is specified, calculating the workload of the district office according to a simple rule; ii calculating the workload of the group according to a complex rule when the group is specified; 3) workload shown in the form of a histogram; through the steps, the workload of each team is evaluated.
The basic data also comprises electricity customer information; the method further comprises user impact analysis: analyzing the influence condition of the distribution network power failure plan on the user and the power failure user information according to the distribution network power failure plan and the power utilization client information; the planning assisted choreography further comprises: and automatically arranging and optimizing all distribution network power failure plans according to the influence conditions of the distribution network power failure plans on users and the power failure user information to obtain the optimized power failure plans.
In this embodiment, the influence condition includes whether an important user power failure, a multi-power user power failure, and a repeated power failure occur.
In this embodiment, the device standing book data includes a device model and its priority; the power failure simulation according to the optimized power failure plan obtained by plan auxiliary arrangement and the power supply conversion scheme for load power supply evaluation further comprises the following steps: generating a simulated power failure report after the simulated power failure is carried out;
the simulation power failure report comprises the number of power failures of important users in the simulation power failure, the number of power failures of multiple power users, the number of equipment with each priority and the power failure duration.
In the specific implementation process of the embodiment, the plan auxiliary arrangement automatically arranges and optimizes all distribution network power failure plans according to different factors according to the association condition of the distribution network power failure plan and the main network power failure plan analyzed according to the influence of the main network plan and the association condition of the current distribution network power failure plan and the distribution network power failure plan to be completed, so as to obtain a plurality of optimized power failure plans; simulating power failure according to the optimized power failure plan and the power transferring and supplying scheme for load power transferring evaluation, and generating simulated power failure reports of each optimized power failure plan; each simulation power failure report comprises the power failure number of important users of the simulation power failure, the power failure number of multiple power users, data of equipment of each priority and power failure duration; so that a plurality of different preferred blackout plans can be provided for the decision maker.
In this embodiment, the user influence analysis further includes analyzing blackout users caused by the distribution network blackout plan to form a blackout user list, and counting the number of the blackout users.
In the implementation of the city, the user influence analysis further comprises the step of analyzing whether the number of the power failure users counted exceeds the limit, and if so, a power failure risk prompt is sent out.
Specifically, the influence conditions of the distribution network power failure plan on users and power failure user information are analyzed according to the distribution network power failure plan and the power utilization client information, the influence conditions comprise whether important users have power failure or not, multiple power supply users have power failure, repeated power failure and the like, and the users meeting the influence conditions are analyzed; in the specific implementation process of this embodiment, the user influence analysis specifically includes: and (3) analyzing power failure users: analyzing power failure users (counting according to medium-voltage users and low-voltage users) caused by a power failure plan, listing a list of the power failure users, counting information such as the number of power failure users and the number of users during power failure, and providing a basis for making and auditing the power failure plan; and (3) reminding the power failure risk of a user: according to the set risk reminding, if the power failure of a user caused by a power failure plan exceeds the limit, the dual-power supply user is changed into a single-power supply user caused by the power failure plan, and the like, the power failure plan is made and auditors are reminded to pay attention; important users have power failure reminding: according to the important user information, whether the power failure plan causes the power failure of the important user is checked, the important user information of the power failure is listed, and the power failure plan is made and auditors are reminded to pay attention; the dual-power supply user has power failure reminding: according to the dual-power-supply user information, whether a power failure plan causes power failure of a dual-power-supply user is checked, the dual-power-supply user information of the power failure is listed, and the power failure plan is made and auditors are reminded to pay attention to; and (3) reminding a sensitive user of power failure: according to sensitive user information (such as troops, governments and the like), whether a power failure plan causes power failure of a sensitive user is checked, the sensitive user information of the power failure is listed, and the power failure plan is made and auditors are reminded to pay attention; the special line user has power failure reminding: according to the private line user information, whether the power failure plan causes power failure of the private line user is checked, the private line user information of the power failure is listed, the private line user information is displayed in different display modes (such as different colors), and the power failure plan is made and auditors are reminded to pay attention.
In this embodiment, the basic data further includes a fault blackout event, a peak load limit event, and an owing default blackout event; the method further comprises power outage monitoring: and counting the fault power failure event, the peak load shifting power limiting event and the arrearage default power failure event, and displaying specific power failure lines of the fault power failure event, the peak load shifting power limiting event and the arrearage default power failure event on the GIS platform.
In this embodiment, the analyzing, according to the topology data, the association between the current distribution network blackout plan and the distribution network blackout plan to be completed specifically includes: the power failure equipment of the current distribution network power failure plan is consistent with the power failure equipment of the distribution network power failure plan to be completed, but the power failure time of the current distribution network power failure plan is different from that of the distribution network power failure plan to be completed, and the power failure equipment are related; the power failure equipment of the current distribution network power failure plan is different from the power failure equipment of the distribution network power failure plan to be completed, but the mutual influence is related.
Specifically, the power failure plan describes "which equipment is powered off" and "which time period is powered off", when the power failure equipment of different power failure plans is the same or related, but the power failure time is different, the power failure plans are executed to cause multiple times of power failure of the equipment, so that the power supply reliability is influenced, and at this time, the power failure plans need to be merged or adjusted; due to factors such as power grid topology or safety distance, the power failure plan can cause power failure of other equipment in the power grid, and the plan related to the power failure equipment can be associated with the current distribution network power failure plan; the power failure equipment of other power failure plans is consistent with the power failure equipment of the target power failure plan, but the power failure time is different, and at the moment, the other power failure plans can form association with the current distribution network power failure plan; the blackout equipment of other blackout plans is different from the equipment of the target blackout plan, but the blackouts of the equipment will affect each other due to the topological relation of the power grid, and at the moment, the other blackout plans can be associated with the current distribution network blackout plan.
In this embodiment, the major network power failure plan includes a major network 10kV bus power failure plan, a major network 110kV main transformer power failure plan, and a major network 110kV line power failure plan; the analysis of the distribution network power failure plan affected by the main network power failure plan according to all distribution network power failure plans, topology data and the main network power failure plan provided by the distribution network production management system specifically comprises the following steps: analyzing a distribution network power failure plan influenced by the power failure plan of the main network 10kV bus according to the topological data and the power failure plan of the main network 10kV bus; analyzing a distribution network power failure plan influenced by the main network 110kV main transformer power failure plan according to the topological data and the main network 110kV main transformer power failure plan; and analyzing a distribution network power failure plan influenced by the power failure plan of the 110kV main network line according to the topological data and the power failure plan of the 110kV main network line.
Specifically, a part of power failure plans in the main network power failure plan may cause the power failure of the distribution network, for example, the power failure plans of a 10kV bus and a 110kV main transformer in the main network may cause the feeder of the downstream distribution network to stop completely, so that the power failure time for keeping the power failure plans of the distribution network and the main network power failure plan consistent can reduce the repeated power failure times; in a specific implementation process of this embodiment, the analyzing of the main network influence specifically includes: analyzing a power failure plan of a 10kV bus in a main network transformer substation connected with a distribution network feeder line based on the topological connection relation of the main network and the distribution network; analyzing a power failure plan of a 110kV main transformer in a main network transformer substation connected with a distribution network feeder line based on the topological connection relation of the main network and the distribution network; and analyzing a power failure plan of a 110kV line connected with a main network transformer substation connected with a distribution network feeder line based on the topological connection relation of the main network and the distribution network.
Specifically, the main network influence analysis further includes: sequentially displaying the analysis results in a list form, wherein the display content of the main network power failure plan comprises a serial number, a power failure range, power failure starting time, power failure ending time and a power failure plan state; when relevant main network power failure plans are listed according to the selected distribution network power failure plan (set), the affected distribution network power failure plans can be reversely positioned according to the main network power failure plans and highlighted; if the distribution network power failure plan made by the distribution network according to the main network power failure plan is executed, the executed power failure plan is not in the analysis range after the main network power failure plan is revised.
In this embodiment, the plan-assisted orchestration further includes displaying the optimized blackout plan in a form of a list; the optimized power failure plan comprises a power failure range, original plan starting time and power failure construction period, and suggested starting time and power failure construction period.
Specifically, the optimized power failure plan comprises a power failure range, original plan starting time and power failure construction period, and suggested starting time and power failure construction period; when a decision-making person checks the adjusted scheme, the index data of 4 aspects such as 'repeated power failure times, the number of households in power failure, the number of days when the scheduling workload exceeds the warning line, the number of days when the operation workload exceeds the warning line' and the like which are reduced by the optimized power failure plan can be directly displayed, one power failure plan can be set as a main power failure plan, and when the power failure equipment and the power failure time of the main power failure plan are used as reference values for carrying out optimization analysis on other power failure plans.
It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the technical solutions of the present invention, and are not intended to limit the specific embodiments of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention claims should be included in the protection scope of the present invention claims.
Claims (10)
1. A comprehensive power failure analysis method based on an operation and distribution information integration platform is characterized by comprising the following steps: the method comprises the following steps of main network plan influence analysis, power failure plan comprehensive analysis, plan auxiliary arrangement, load transfer energy supply evaluation and power failure simulation, and basic data acquisition from a distribution network management production system, a marketing management system, a main network production management system, a GIS platform, a metering automation system and a main/distribution network scheduling automation system; the basic data includes: topology data, a main network power failure plan, distribution transformer load data, equipment ledger data, line load and switch state data;
the main network plan influence analysis comprises the following steps: analyzing a distribution network power failure plan influenced by the main network power failure plan according to all distribution network power failure plans, topology data and the main network power failure plan provided by the distribution network production management system, and associating the influenced distribution network power failure plan with the main network power failure plan;
the power failure plan comprehensive analysis comprises the following steps: analyzing the association condition of the current distribution network power failure plan and the distribution network power failure plan to be completed according to the topological data;
the plan auxiliary arrangement comprises the following steps: automatically arranging and optimizing all distribution network power failure plans according to the association condition of the distribution network power failure plan and the main network power failure plan analyzed according to the influence of the main network plan and the association condition of the current distribution network power failure plan and the distribution network power failure plan to be completed to obtain an optimized power failure plan;
the load-to-energy power evaluation is as follows: analyzing whether a line for power failure line transfer in a distribution network power failure plan is overloaded and whether a transferred main transformer after power failure is overloaded according to the topological data, the equipment ledger data, the distribution transformer load data, the line load and the switch state data, and forming a power transfer scheme according to an analysis result;
the simulated power failure is as follows: and simulating power failure according to the optimized power failure plan obtained by plan auxiliary arrangement and the power supply conversion scheme for load power supply evaluation.
2. The comprehensive power failure analysis method based on the marketing and distribution information integration platform as claimed in claim 1, wherein the basic data further comprises team information;
the method further includes a projected workload balance analysis: evaluating the workload of each team according to the number of the power failure plans of all distribution networks, the types of equipment related to the power failure plans of all distribution networks and team information;
the planning assisted choreography further comprises: and automatically arranging and optimizing the power failure plans of all distribution networks according to the workload evaluation results of all the teams and groups to obtain the optimized power failure plans.
3. The comprehensive power failure analysis method based on the operation and distribution information integration platform as claimed in claim 1, wherein the basic data further comprises electricity customer information;
the method further comprises user impact analysis: analyzing the influence condition of the distribution network power failure plan on the user and the power failure user information according to the distribution network power failure plan and the power utilization client information;
the planning assisted choreography further comprises: and automatically arranging and optimizing all distribution network power failure plans according to the influence conditions of the distribution network power failure plans on users and the power failure user information to obtain the optimized power failure plans.
4. The comprehensive power failure analysis method based on the operation and distribution information integration platform as claimed in claim 3, wherein the influence condition includes whether important user power failure, multiple power supply user power failure and repeated power failure are caused.
5. The comprehensive power failure analysis method based on the operation and distribution information integration platform as claimed in claim 4, wherein the equipment standing book data comprises equipment models and priorities thereof; the power failure simulation according to the optimized power failure plan obtained by plan auxiliary arrangement and the power supply conversion scheme for load power supply evaluation further comprises the following steps: generating a simulated power failure report after the simulated power failure is carried out;
the simulation power failure report comprises the number of power failures of important users in the simulation power failure, the number of power failures of multiple power users, the number of equipment with each priority and the power failure duration.
6. The comprehensive power failure analysis method based on the operation and distribution information integration platform as claimed in claim 1, wherein the basic data further comprises failure power failure events, peak load limit events and defaulting default power failure events;
the method further comprises power outage monitoring: and counting the fault power failure event, the peak load shifting power limiting event and the arrearage default power failure event, and displaying specific power failure lines of the fault power failure event, the peak load shifting power limiting event and the arrearage default power failure event on the GIS platform.
7. The comprehensive power failure analysis method based on the operation and distribution information platform as claimed in claim 4, wherein the user influence analysis further comprises analyzing power failure users caused by distribution network power failure plan to form a power failure user list, and counting the number of the power failure users.
8. The comprehensive power failure analysis method based on the marketing and distribution information integration platform as claimed in claim 7, wherein the user influence analysis further comprises analyzing whether the counted number of power failure users exceeds a limit, and if so, sending a user power failure risk prompt.
9. The comprehensive power failure analysis method based on the operation and distribution information integration platform as claimed in claim 1, wherein the analyzing of the association between the current distribution network power failure plan and the distribution network power failure plan to be completed according to the topology data specifically comprises: the power failure equipment of the current distribution network power failure plan is consistent with the power failure equipment of the distribution network power failure plan to be completed, but the power failure time of the current distribution network power failure plan is different from that of the distribution network power failure plan to be completed, and the power failure equipment are related; the power failure equipment of the current distribution network power failure plan is different from the power failure equipment of the distribution network power failure plan to be completed, but the mutual influence is related.
10. The comprehensive power failure analysis method based on the operation and distribution information integration platform as claimed in any one of claims 1 to 9, wherein the plan auxiliary arrangement further comprises displaying the optimized power failure plan in a form of a list; the optimized power failure plan comprises a power failure range, original plan starting time and power failure construction period, and suggested starting time and power failure construction period.
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