CN112288290A - Power failure plan arranging method and device, computer equipment and storage medium - Google Patents
Power failure plan arranging method and device, computer equipment and storage medium Download PDFInfo
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Abstract
The invention discloses a power failure plan arranging method and device, computer equipment and a storage medium. The method comprises the following steps: obtaining at least one power failure plan, screening out the power failure plans meeting the constraint conditions, and classifying the power failure plans meeting the constraint conditions; for each power failure plan of each type, sequentially acquiring the power grid operation risk result after each power failure plan is added; and if the power grid operation risk result meets the termination condition, arranging each power outage plan before the increased power outage plan, and making corresponding risk description and risk control measures according to the risk condition of each power outage plan. By using the technical scheme of the invention, the power failure plan of the power grid can be efficiently arranged, the labor cost is saved, and the safety, reliability and stability of the power grid are improved.
Description
Technical Field
The embodiment of the invention relates to a data processing technology, in particular to a power failure plan arranging method and device, computer equipment and a storage medium.
Background
With the development of science and technology and the progress of society, the requirements of people on the quality of electric power and electric energy are increasing day by day. Once a power grid has an accident and causes a large-area power failure, the power grid not only causes inconvenience to daily life of people, but also influences social stability and economic development.
In order to perform daily maintenance on a power grid, each level of power grid system can make a power failure plan of the power grid, and the power failure plan of the power grid is planned in the prior art, and is mainly manually arranged after workers acquire the power failure plans. The arrangement mode of the power failure plan in the prior art has the advantages of high labor cost, low efficiency and accuracy and increased fault risk of a power grid.
Disclosure of Invention
The embodiment of the invention provides a method and a device for arranging a power failure plan, computer equipment and a storage medium, which are used for efficiently arranging the power failure plan of a power grid, saving the labor cost and improving the safety, reliability and stability of the power grid.
In a first aspect, an embodiment of the present invention provides a method for scheduling a power outage plan, where the method includes:
obtaining at least one power failure plan, screening out the power failure plans meeting the constraint conditions, and classifying the power failure plans meeting the constraint conditions;
for each power failure plan of each type, sequentially acquiring the power grid operation risk result after each power failure plan is added;
and if the power grid operation risk result meets the termination condition, arranging each power outage plan before the increased power outage plan, and making corresponding risk description and risk control measures according to the risk condition of each power outage plan.
In a second aspect, an embodiment of the present invention further provides an apparatus for scheduling a power outage plan, where the apparatus includes:
the power failure plan classification module is used for acquiring at least one power failure plan, screening out the power failure plans meeting the constraint conditions, and classifying the power failure plans meeting the constraint conditions;
the power grid operation risk result acquisition module is used for sequentially acquiring power grid operation risk results after each power failure plan is added for each type of power failure plan;
and the power failure plan arrangement module is used for arranging each power failure plan before the increased power failure plan if the power grid operation risk result is determined to meet the termination condition, and establishing corresponding risk description and risk control measures according to the risk condition of each power failure plan.
In a third aspect, an embodiment of the present invention further provides a computer device, including a memory, a processor, and a computer program stored on the memory and executable on the processor, where the processor implements the method for scheduling a power outage plan according to any one of the embodiments of the present invention when executing the program.
In a fourth aspect, embodiments of the present invention further provide a storage medium containing computer-executable instructions, which when executed by a computer processor, are configured to perform the method for scheduling power outage according to any one of the embodiments of the present invention.
The embodiment of the invention classifies the power failure plans meeting the constraint conditions, sequentially calculates the power grid operation risk result when the plan is newly added for the power failure plans in each category according to the sequence of the categories, takes the power failure plan before the newly added power failure plan as the power failure plan to be scheduled when the power grid operation risk result meets the termination condition, and schedules and makes risk control measures for each power failure plan to be scheduled. The power failure planning method solves the problems of high labor cost, low efficiency and accuracy and high fault risk of the power grid in the power failure planning mode in the prior art, realizes efficient power failure planning of the power grid, saves labor cost, and improves safety, reliability and stability of the power grid.
Drawings
Fig. 1 is a flowchart of a method for scheduling power outage plan according to an embodiment of the present invention;
fig. 2a is a flowchart of a method for scheduling power outage plan according to a second embodiment of the present invention;
FIG. 2b is a schematic diagram of a grid structure of area A suitable for use in embodiments of the present invention;
FIG. 2c is a schematic diagram of a photovoltaic cell power region suitable for use in embodiments of the present invention;
FIG. 2d is a schematic diagram illustrating a risk result of grid operation in area A, which is suitable for use in embodiments of the present invention;
FIG. 2e is a schematic diagram illustrating the risk results of grid operation for a photovoltaic cell power supply region suitable for use in embodiments of the present invention;
FIG. 2f is a schematic illustration of a risk control measure suitable for use in embodiments of the present invention;
fig. 3 is a schematic structural diagram of an arrangement apparatus for power outage planning in a third embodiment of the present invention;
fig. 4 is a schematic structural diagram of a computer device in the fourth embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a flowchart of a method for scheduling a power outage plan according to an embodiment of the present invention, where the embodiment is applicable to collecting and scheduling a power outage plan of a power grid, and the method may be executed by a power outage plan scheduling apparatus, which may be implemented by software and/or hardware and generally integrated in a computer device, and typically, may be integrated in a mobile terminal such as a mobile phone and a tablet, or integrated in a computer terminal such as a computer.
As shown in fig. 1, the technical solution of the embodiment of the present invention specifically includes the following steps:
s110, at least one power failure plan is obtained, the power failure plans meeting the constraint conditions are screened out, and the power failure plans meeting the constraint conditions are classified.
The power failure plan is a plan for performing power failure processing on some electrical equipment in the power grid in a certain time period in the future collected by the power grid system, so that the power grid is overhauled and maintained, and the power failure plan can be divided into a year plan, a quarter plan, a month plan, a day plan and the like.
In the embodiment of the invention, when the number of the power failure plans collected by the power grid system is large, if all the power failure plans are executed, inconvenience is brought to a power grid user, and the operation risk of the power grid is increased. Therefore, in the embodiment of the invention, to implement automatic arrangement of each power failure plan, each power failure plan needs to be classified according to the urgency degree, and under the condition that all power failure plans cannot be arranged and executed, a more urgent power failure plan is preferentially arranged and executed, and a power failure plan with a lower urgency degree can be temporarily put aside or abandoned, so that the operation risk of a power grid can be reduced, and the power consumption experience of a power grid user is improved.
Optionally, satisfying the constraint condition may include: determining that the target blackout plan does not meet the constraint condition if the target blackout plan has at least one of the following conditions: at least one power failure plan exists in each power failure plan, the corresponding electrical equipment of the power failure plan is the same as that of the target power failure plan or is the same tower equipment, the time limit value of the time period corresponding to the target power failure plan is larger than the preset time limit value of the time period, the time period corresponding to the target power failure plan is in a holiday, and the target power failure plan is a single power supply power failure plan; after acquiring at least one power outage plan, the method may further include: and if the target power failure plan is determined not to meet the constraint conditions, prompting a user.
In the embodiment of the invention, constraint conditions can be set to carry out preliminary screening on the power failure plan. If there are a plurality of blackout plans among the collected blackout plans and the corresponding electrical devices are the same, the plurality of blackout plans are repeated blackout plans, and operations such as screening or merging of the plurality of blackout plans are required.
If there are a plurality of power failure plans among the collected power failure plans, and the corresponding electrical devices are the same-tower devices, the plurality of power failure plans cannot be executed simultaneously, and therefore, it is necessary to shift the execution time of the plurality of power failure plans, or to leave or abandon one or more of the power failure plans.
If the time limit value of the target power failure plan is exceeded or the time limit value of the target power failure plan is within a holiday, the operation risk of the power grid is increased, and therefore the time limit value of the target power failure plan needs to be adjusted correspondingly.
If the target power failure plan is a single-power-supply power failure plan, that is, only one power supply supplies power to the electrical equipment corresponding to the target power failure plan, the electrical equipment corresponding to the target power failure plan is powered off by executing the target power failure plan, so that the operation risk of a power grid is increased, and the power consumption experience of a user is influenced.
In the embodiment of the invention, each power failure plan which does not meet the constraint condition is displayed to the user, so that the user can adjust or abandon each power failure plan. The power failure plans processed by the user can be added into the power grid system again, and the judgment of the constraint conditions is repeated until all the power failure plans meet the constraint conditions, so that all the power failure plans are classified. However, the present embodiment does not limit the number and specific contents of the constraints.
And S120, sequentially acquiring the power grid operation risk result after each power failure plan is added for each type of power failure plan.
The grid operation risk result is a risk that may occur during operation of the grid after the power outage plan is executed. For example, when the blackout plan is to blackout the a-line, the grid operation risk result may be that the B-line and C-line electrical equipment may fail after the a-line is blacked out.
Optionally, the grid operation risk result may include at least one of: risk value, risk level, faulty equipment, fault probability, number of lost users, voltage threshold, overload value, load value, etc.
The risk value is a numerical value obtained by calculation after comprehensive risk assessment is carried out on the power grid, the risk level represents the urgency degree of the power grid operation risk, and the risk value corresponds to the risk level. Illustratively, the risk level may be "ultra high risk", "high risk", or "medium low risk", the higher the risk value, the higher the risk level. A malfunctioning device is a line that may fail when a power outage plan is executed. The failure probability is the probability of failure of the failed device. The number of lost users is the number of users who trip or power down after the faulty equipment fails. The voltage out-of-limit value is a value of voltage exceeding safe voltage after the fault equipment fails. After the overload value fault device fails, the actual current exceeds the fault value of the operating current. The load value is the power of the electrical device after the fault device has failed.
In the embodiment of the invention, the grid operation risk result when two power failure plans are executed simultaneously is generally different from the grid operation risk result when only one power failure plan is executed respectively, so that each new power failure plan is added, the corresponding grid operation risk result when the new power failure plan and the previous power failure plan are executed simultaneously needs to be calculated. The setting can improve the accuracy of power grid operation risk judgment, thereby improving the operation safety of the power grid.
And S130, if the power grid operation risk result meets the termination condition, arranging each power failure plan before the increased power failure plan, and making corresponding risk description and risk control measures according to the risk condition of each power failure plan.
The termination condition may be that the grid operation risk result has exceeded the maximum risk that the grid operation can tolerate. In order to ensure the operation safety of the power grid, when the power grid operation risk result meets the termination condition, the newly-added power failure plan and the subsequent power failure plan cannot be continuously scheduled. The risk situations are electrical equipment that may be involved in executing the blackout plan, and conditions that may arise with the electrical equipment. The risk description is a textual description of the risk situation when the blackout plan is executed. The risk control measures are corresponding measures which are made for reducing the operation risk of the power grid according to the power grid operation risk result corresponding to the power failure plan when the power failure plan is executed.
And after classifying the power failure plans according to the urgency degree, sequentially calculating the power grid operation risk result after each newly added power failure plan for each power failure plan with the most urgent type, and judging the termination condition. If the power failure plans with the most urgent types do not meet the termination condition for the power grid operation risk result, calculating the power grid operation risk result after adding one power failure plan every time for each power failure plan with a lighter urgent degree in sequence, judging the termination condition, and so on until the power grid operation risk result meets the termination condition, wherein each plan before the newly added power failure plan is each power failure plan needing to be arranged. The new power failure plan and the subsequent power failure plan can be temporarily suspended or abandoned.
According to the technical scheme, the power failure plans meeting the constraint conditions are classified, the power grid operation risk results when the plans are newly added are sequentially calculated for the power failure plans in all the categories according to the sequence of the categories, the power failure plans before the newly added power failure plans are used as the power failure plans to be scheduled when the power grid operation risk results meet the termination conditions, and the power failure plans to be scheduled are scheduled and risk control measures are made. The power failure planning method solves the problems of high labor cost, low efficiency and accuracy and high fault risk of the power grid in the power failure planning mode in the prior art, realizes efficient power failure planning of the power grid, saves labor cost, and improves safety, reliability and stability of the power grid.
Optionally, classifying the power outage plans meeting the constraint condition may include: respectively acquiring electrical equipment corresponding to each power failure plan meeting constraint conditions, and classifying the electrical equipment; each power outage plan is classified according to the type of the electrical equipment corresponding to the power outage plan.
The electrical equipment is various equipment in the power grid, and the electrical equipment can be a power transmission line, a low-voltage circuit breaker, a low-voltage isolating switch, a controller or a relay and the like. The power outage plan can be classified according to the type of the electrical equipment involved in the power outage plan.
For example, each electrical device involved in the power outage plan is obtained first, and each electrical device may be classified into three levels, namely critical, and general, according to factors such as a real-time operating state or a failure rate of each electrical device. The urgency degree of the power failure plan is classified according to the grade of the corresponding electrical equipment, and if all the corresponding electrical equipment are critical grade electrical equipment, the urgency degree of the power failure plan is the highest, and if all the corresponding electrical equipment are normal grade electrical equipment, the urgency degree of the power failure plan is the lowest.
In the embodiment of the present invention, the reason why the power outage plan is classified according to the type of the electrical equipment is that the degree of urgency of the power outage plan differs depending on the type of the electrical equipment. The failure rate of the electrical equipment of the critical level is high, so that the power failure plan related to the electrical equipment of the critical level needs to be implemented as soon as possible, and the electrical equipment of the critical level is overhauled as soon as possible so as to reduce the probability of occurrence of device failure tripping, so that the emergency degree of the power failure plan related to the electrical equipment of the critical level is higher, and the power failure plan needs to be preferentially arranged and executed.
The power failure plan relating to the electrical equipment of the critical level is less urgent than the power failure plan relating to the electrical equipment of the critical level, and the power failure plan relating to the electrical equipment of the critical level can be arranged after the power failure plan relating to the electrical equipment of the critical level is completely arranged and executed.
For ordinary-grade electrical equipment, the failure rate is low, so that the power failure plan related to the ordinary-grade electrical equipment is low in urgency, and a condition that the grid state is unstable due to the fact that the operation risk of the grid is increased due to the fact that the number of the electrical equipment in power failure is too large needs to be considered. Therefore, after the power outage schedules relating to the critical-level electrical equipment and the critical-level electrical equipment are all scheduled to be executed, the power outage schedules relating to the ordinary-level electrical equipment are considered to be scheduled, and the number of the power outage schedules relating to the ordinary-level electrical equipment needs to be appropriately controlled on the premise that the grid operation risk is guaranteed to be in a normal state.
Optionally, for each type of blackout plan, sequentially obtaining the power grid operation risk result after each blackout plan is added, which may include: according to the sequence of the types of the power failure plans, sequentially adding a new power failure plan; and inputting the newly-added power failure plan, the power failure plan before the newly-added power failure plan and the power grid operation real-time data into a pre-trained risk assessment model to obtain a power grid operation risk result output by the risk assessment model.
The power grid operation real-time data may include a load condition of a power grid device, a health degree of each device, and power grid operation historical data in a certain time period, and the specific type of the power grid operation real-time data is not limited in this embodiment.
The risk assessment model is obtained by training a machine learning model by selecting power grid historical operation data as a training set and assessing the operation risk of the power grid. Preferably, the risk assessment model can be obtained by training through a random forest algorithm. The random forest is a supervised learning algorithm, and is an integrated learning algorithm using a decision tree as a learner, but the algorithm for training the risk assessment model is not limited in the embodiment.
In the embodiment of the invention, after a new power failure plan is added, the risk assessment model can obtain the corresponding power grid operation risk result according to each power failure plan after the new power failure plan and the power grid operation real-time data.
Example two
Fig. 2a is a flowchart of a method for scheduling a power outage plan according to a second embodiment of the present invention, where the second embodiment of the present invention further embodies a process of classifying a power outage plan, a process of obtaining a risk result of power grid operation, a process of determining whether the risk result of power grid operation meets a termination condition, and a process of scheduling a power outage plan and making a risk control measure.
Correspondingly, as shown in fig. 2a, the technical solution of the embodiment of the present invention specifically includes the following steps:
s210, acquiring at least one power failure plan.
Specifically, when the monthly power failure plan is scheduled, various submitted power failure plans of corresponding months are collected.
S220, judging whether the target power failure plan has at least one condition, if so, executing S230, otherwise, executing S240.
At least one power failure plan exists in each power failure plan, the corresponding electrical equipment of the power failure plan is the same as that of the target power failure plan or is the same tower equipment, the time limit value of the time period corresponding to the target power failure plan is larger than the preset time limit value of the time period, the time period corresponding to the target power failure plan is in a holiday, and the target power failure plan is a single power supply power failure plan;
and S230, determining that the target power failure plan does not meet the constraint condition, and prompting a user.
And S240, judging whether the processing of all power failure plans is finished or not, if so, executing S250, and if not, returning to execute S220.
And S250, respectively acquiring the electrical equipment corresponding to each power failure plan meeting the constraint conditions, and classifying the electrical equipment.
For example, the electrical equipment may be classified into three types, namely critical, critical or general, according to the fault rate and the real-time operation state of the electrical equipment, but the present embodiment does not limit the number of types, specific types and the classification basis of the types of the electrical equipment.
And S260, classifying the power failure plans according to the types of the electric equipment corresponding to the power failure plans.
In the embodiment of the present invention, the basis for classifying the power outage plan is not limited to the category of the electrical equipment. The type division of the power failure plan can also consider the actual needs of power grid operation and maintenance, the influence of natural disasters or extreme weather or the needs of other projects and the like.
And S270, sequentially adding a new power failure plan according to the sequence of the types of the power failure plans.
In the embodiment of the invention, the type of the more urgent power failure plan is considered preferentially, and the power grid operation risk result corresponding to each power failure plan is executed after the newly-added power failure plan is calculated every time one power failure plan is added. After the determination of the more urgent power outage schedule can be performed, the less urgent power outage schedule is considered.
And S280, inputting the newly added power failure plan, the power failure plan before the newly added power failure plan and the power grid operation real-time data into a pre-trained risk assessment model, and obtaining a power grid operation risk result output by the risk assessment model.
And according to each power failure plan after the newly added power failure plan and the real-time power grid operation data, the risk assessment model can obtain a corresponding power grid operation risk result.
And S290, judging whether the risk value is greater than or equal to a preset risk limit value, if so, executing S2110, otherwise, executing S2100.
In the embodiment of the invention, the risk value in the power grid operation risk result can visually display the power grid operation risk, so that a risk limit value can be preset, and when the risk value exceeds a risk limit, the increase of the newly-added power failure plan can cause the operation risk of the power grid to be overhigh, so that the newly-added power failure plan and the subsequent power failure plan are not arranged any more.
And S2100, judging whether the number of the power failure plans meeting the risk indexes in the newly added power failure plans and the power failure plans before the newly added power failure plans is larger than or equal to a preset risk number limit value, if so, executing S2110, otherwise, returning to execute S270.
Meeting risk indicators, including:
and if the type of the electrical equipment corresponding to the power failure plan is determined to be an emergency type, and/or the risk level in the power grid operation risk result corresponding to the power failure plan is greater than or equal to a preset risk level threshold value, determining that the power failure plan meets the risk index.
In the embodiment of the invention, the power failure plan is subjected to double management and control of the risk value and the risk quantity. And when the type of the electrical equipment corresponding to the power failure plan is an emergency type, the power failure plan is an emergency type power failure plan, or when the risk level in the power grid operation risk result corresponding to the power failure plan is higher, the power failure plan is an emergency type power failure plan. If the number of the critical power failure plans is too large, the operation risk of the power grid is easily increased.
For example, 50 indexes are allocated to the emergency power failure plan in a certain area every year, and the number of the emergency power failure plans is counted when the power failure plan is determined to be the emergency power failure plan according to the electrical equipment or the risk level corresponding to the power failure plan, so that the number of the emergency power failure plans in the whole year is required to be less than or equal to 50, and 50 is the preset risk number limit value. Meanwhile, the number of the emergency power-off plans in a preset time period can be controlled, and for example, when 50 indexes are allocated to the emergency power-off plans every year, the number of the emergency power-off plans every month can be controlled to be not more than 10.
And S2110, determining that the grid operation risk result meets a termination condition.
And S2120, obtaining operation risk results of each power grid corresponding to each power failure plan before the newly added power failure plan.
When the termination condition is met, each power failure plan before the newly added power failure plan is the power failure plan to be scheduled, and corresponding risk control measures can be made according to the operation risk result of each power grid corresponding to each power failure plan.
And S2130, obtaining risk conditions of each fault device corresponding to each power grid operation risk result, and performing risk description on each fault device.
According to the risk condition of the fault equipment which may occur after the power failure plan is executed, risk description can be carried out on each fault equipment, and corresponding risk control measures can be made.
S2140, acquiring risk control measures corresponding to each fault device through a network reconfiguration method.
The network reconstruction is a method for relieving the operation risk of the power grid by using a power supply recovery method when the power grid has faults and the load is reduced. The purpose of network reconfiguration is to quickly recover more power-off electrical equipment and to preferentially recover more important electrical equipment.
Accordingly, S2140 may further include:
s2141, determining a target fault area corresponding to the target fault equipment.
In the embodiment of the invention, after the target fault area corresponding to the target fault equipment is determined, the power grid reduction load, that is, the maximum reduction amount of the actual load of the power grid, can be calculated. Therefore, the power supply path recovery algorithm can be used for preferentially recovering the power supply of important electrical equipment while ensuring that more grid power reduction loads are recovered.
S2142, judging whether the target failure area has a standby device, if yes, executing S2143, otherwise executing S2144.
The standby equipment is standby electrical equipment which can be started after the electrical equipment loses power. Illustratively, when the electrical device is a line, the backup device includes both a feeder within the grid system and a remote power supply line in other power supply systems. If a feeder line inside the power grid exists in the target fault area, the feeder line is started to recover power supply, or a remote power supply line capable of supplying power to the target fault area exists in other power supply systems, or the remote power supply line can be started to recover power supply.
S2143, starting the standby equipment. S2144 is performed.
S2144, determining a recovery sequence of each electrical device in the target failure area by adopting a power supply path recovery algorithm.
The principle of the power supply path restoration algorithm is as follows:
wherein f is1(x) Indicating the recovered load, f2(x) Indicating the number of electrical devices to restore the load. WiIs the key level share coefficient of the load; n is a radical ofOPIs the switching control frequency; pijAnd QijIs the active and reactive power from electrical equipment i through to electrical equipment j; pGiAnd QGiIs the active and reactive output power of the generator; pLiAnd QLiIs the active and reactive power of each electrical device; pGi maxAnd PGi minThe maximum value and the minimum value of the active output power of the generator are obtained; qGi maxAnd QGi minThe maximum value and the minimum value of the reactive output power of the generator; pij maxAnd Pij minThe maximum value and the minimum value of the active transmission capacity of the transmission line; vi minAnd Vi maxIs the maximum and minimum values of the voltage amplitude of each electrical device; viIs the voltage of the electrical device.
In the embodiment of the invention, by using the power supply path recovery algorithm, the power supply of important electrical equipment can be recovered preferentially while more power grid reduction load is ensured to be recovered, so that the orderly recovery of the power grid is realized.
S2145, whether the processing of all the fault devices is finished is judged, if yes, S2150 is executed, and if not, S2141 is executed.
And S2150, ending.
According to the technical scheme, the power failure plans are classified through the electrical equipment corresponding to the power failure plans meeting the constraint conditions, the power failure plans in all the categories are sequentially classified according to the sequence of the categories, the power grid operation risk result when the plan is newly added is obtained through the risk assessment model, the power failure plan before the newly added power failure plan is taken as the power failure plan to be scheduled when the power grid operation risk result meets the termination condition, the power failure plans to be scheduled are scheduled, and the risk control measures are made through a network reconstruction method. The power failure planning method solves the problems of high labor cost, low efficiency and accuracy and high fault risk of the power grid in the power failure planning mode in the prior art, realizes efficient power failure planning of the power grid, saves labor cost, and improves safety, reliability and stability of the power grid.
In a specific example of the present invention, fig. 2b provides a schematic diagram of a power grid structure in an area a, fig. 2c provides a schematic diagram of a structure of a photovoltaic cell power supply area, and a schematic diagram of a power grid operation risk result in the area a shown in fig. 2d and a schematic diagram of a power grid operation risk result in the photovoltaic cell power supply area shown in fig. 2e can be obtained by performing power grid operation risk assessment on a power grid in the area a and the photovoltaic cell power supply area respectively. Fig. 2d shows the faulty line and its respective fault rate, voltage threshold, overload and load shedding values. Fig. 2e gives an illustration of a faulty line and its respective fault rate, voltage threshold, branch overload, load shedding and risk. And (4) according to the operation risk result of the power grid, making corresponding risk description and risk control measures, and obtaining a schematic diagram of the risk control measures shown in fig. 2 f. As shown in fig. 2f, according to the failed device, the power supply can be restored by activating the standby device, so that the risk control measure corresponding to the failed device can be determined.
According to the above example, the embodiment can make clear risk description and risk control measures for the execution of the blackout plan, so as to perform clear risk indication and decision guidance for the overhaul of the power grid system.
EXAMPLE III
Fig. 3 is a schematic structural diagram of an arrangement apparatus for power outage planning according to a third embodiment of the present invention, where the arrangement apparatus may be implemented by software and/or hardware, and is generally integrated in a computer device, and typically, may be integrated in a mobile terminal such as a mobile phone, a tablet, or a computer terminal such as a computer. The device includes: a power outage plan classification module 310, a grid operational risk result acquisition module 320, and a power outage planning module 330. Wherein:
the power failure plan classification module 310 is configured to obtain at least one power failure plan, screen out power failure plans that satisfy the constraint condition, and classify each power failure plan that satisfies the constraint condition;
a grid operation risk result obtaining module 320, configured to sequentially obtain, for each power outage plan of each type, a grid operation risk result after each power outage plan is added;
and the blackout plan arranging module 330 is configured to arrange each blackout plan before the increased blackout plan if it is determined that the grid operation risk result meets the termination condition, and make corresponding risk description and risk control measures according to the risk condition of each blackout plan.
According to the technical scheme, the power failure plans meeting the constraint conditions are classified, the power grid operation risk results when the plans are newly added are sequentially calculated for the power failure plans in all the categories according to the sequence of the categories, the power failure plans before the newly added power failure plans are used as the power failure plans to be scheduled when the power grid operation risk results meet the termination conditions, and the power failure plans to be scheduled are scheduled and risk control measures are made. The power failure planning method solves the problems of high labor cost, low efficiency and accuracy and high fault risk of the power grid in the power failure planning mode in the prior art, realizes efficient power failure planning of the power grid, saves labor cost, and improves safety, reliability and stability of the power grid.
On the basis of the above embodiment, the power outage plan classification module 310 includes:
the constraint condition judging unit is used for determining that the target power failure plan does not meet the constraint condition if the target power failure plan has at least one of the following conditions:
at least one power failure plan exists in each power failure plan, the corresponding electrical equipment of the power failure plan is the same as that of the target power failure plan or is the same tower equipment, the time limit value of the time period corresponding to the target power failure plan is larger than the preset time limit value of the time period, the time period corresponding to the target power failure plan is in a holiday, and the target power failure plan is a single power supply power failure plan;
the device, still include:
and the target power failure plan prompting unit is used for prompting the user if the target power failure plan is determined not to meet the constraint condition.
On the basis of the above embodiment, the power outage plan classification module 310 includes:
the electrical equipment classification unit is used for respectively acquiring electrical equipment corresponding to each power failure plan meeting the constraint conditions and classifying the electrical equipment;
and a power outage plan classification unit for classifying the power outage plans according to the types of the electrical equipment corresponding to the power outage plans.
On the basis of the foregoing embodiment, the power grid operation risk result obtaining module 320 includes:
the power failure plan newly-adding unit is used for sequentially adding a power failure plan according to the type sequence of the power failure plan;
and the power grid operation risk result acquisition unit is used for inputting the newly-added power failure plan, the power failure plan before the newly-added power failure plan and the power grid operation real-time data into a pre-trained risk assessment model to acquire a power grid operation risk result output by the risk assessment model.
On the basis of the above embodiment, the power outage planning module 330 includes:
and the termination condition judging unit is used for judging whether the risk value is greater than or equal to a preset risk limit value or not, or judging whether the number of the power failure plans meeting the risk index in the newly increased power failure plan and the power failure plans before the newly increased power failure plan is greater than or equal to the preset risk number limit value or not, and if so, determining that the power grid operation risk result meets the termination condition.
A termination condition judgment unit further configured to:
and if the type of the electrical equipment corresponding to the power failure plan is determined to be an emergency type, and/or the risk level in the power grid operation risk result corresponding to the power failure plan is greater than or equal to a preset risk level threshold value, determining that the power failure plan meets the risk index.
On the basis of the foregoing embodiment, the power outage planning module 330 is configured to:
each power grid operation risk result acquisition unit is used for acquiring each power grid operation risk result corresponding to each power failure plan before the newly increased power failure plan;
and the risk control measure acquisition unit is used for acquiring the risk condition of each fault device corresponding to each power grid operation risk result, performing risk description on each fault device, and acquiring the risk control measure corresponding to each fault device by a network reconstruction method.
On the basis of the foregoing embodiment, the risk control measure acquisition unit is specifically configured to:
determining a target fault area corresponding to target fault equipment;
and if the standby equipment exists in the target failure area, starting the standby equipment, and determining the recovery sequence of each electrical equipment in the target failure area by adopting a power supply path recovery algorithm.
The power failure plan arranging device provided by the embodiment of the invention can execute the power failure plan arranging method provided by any embodiment of the invention, and has corresponding functional modules and beneficial effects of the execution method.
Example four
Fig. 4 is a schematic structural diagram of a computer apparatus according to a fourth embodiment of the present invention, as shown in fig. 4, the computer apparatus includes a processor 70, a memory 71, an input device 72, and an output device 73; the number of processors 70 in the computer device may be one or more, and one processor 70 is taken as an example in fig. 4; the processor 70, the memory 71, the input device 72 and the output device 73 in the computer apparatus may be connected by a bus or other means, and the connection by the bus is exemplified in fig. 4.
The memory 71 is a computer-readable storage medium, and can be used for storing software programs, computer-executable programs, and modules, such as the modules corresponding to the power outage planning method in the embodiment of the present invention (for example, the power outage planning classification module 310, the grid operation risk result obtaining module 320, and the power outage planning module 330 in the power outage planning device). The processor 70 executes various functional applications and data processing of the computer device by running software programs, instructions and modules stored in the memory 71, that is, implements the power outage planning scheduling method described above. The method comprises the following steps:
obtaining at least one power failure plan, screening out the power failure plans meeting the constraint conditions, and classifying the power failure plans meeting the constraint conditions;
for each power failure plan of each type, sequentially acquiring the power grid operation risk result after each power failure plan is added;
and if the power grid operation risk result meets the termination condition, arranging each power outage plan before the increased power outage plan, and making corresponding risk description and risk control measures according to the risk condition of each power outage plan.
The memory 71 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal, and the like. Further, the memory 71 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, the memory 71 may further include memory located remotely from the processor 70, which may be connected to a computer device over a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input device 72 may be used to receive input numeric or character information and generate key signal inputs relating to user settings and function controls of the computer apparatus. The output device 73 may include a display device such as a display screen.
EXAMPLE five
An embodiment of the present invention further provides a storage medium containing computer-executable instructions, where the computer-executable instructions are executed by a computer processor to perform a power outage planning method, where the method includes:
obtaining at least one power failure plan, screening out the power failure plans meeting the constraint conditions, and classifying the power failure plans meeting the constraint conditions;
for each power failure plan of each type, sequentially acquiring the power grid operation risk result after each power failure plan is added;
and if the power grid operation risk result meets the termination condition, arranging each power outage plan before the increased power outage plan, and making corresponding risk description and risk control measures according to the risk condition of each power outage plan.
Of course, the storage medium provided by the embodiment of the present invention contains computer-executable instructions, and the computer-executable instructions are not limited to the operations of the method described above, and may also perform related operations in the method for scheduling a power outage plan provided by any embodiment of the present invention.
From the above description of the embodiments, it is obvious for those skilled in the art that the present invention can be implemented by software and necessary general hardware, and certainly, can also be implemented by hardware, but the former is a better embodiment in many cases. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which can be stored in a computer-readable storage medium, such as a floppy disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a FLASH Memory (FLASH), a hard disk or an optical disk of a computer, and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device) to execute the methods according to the embodiments of the present invention.
It should be noted that, in the embodiment of the arrangement apparatus for power outage plans, the included units and modules are only divided according to functional logic, but are not limited to the above division, as long as the corresponding functions can be realized; in addition, specific names of the functional units are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A power outage planning method is characterized by comprising the following steps:
obtaining at least one power failure plan, screening out the power failure plans meeting the constraint conditions, and classifying the power failure plans meeting the constraint conditions;
for each power failure plan of each type, sequentially acquiring the power grid operation risk result after each power failure plan is added;
and if the power grid operation risk result meets the termination condition, arranging each power outage plan before the increased power outage plan, and making corresponding risk description and risk control measures according to the risk condition of each power outage plan.
2. The method of claim 1, wherein satisfying a constraint comprises:
determining that the target blackout plan does not meet the constraint condition if the target blackout plan has at least one of the following conditions:
at least one power failure plan exists in each power failure plan, the corresponding electrical equipment of the power failure plan is the same as that of the target power failure plan or is the same tower equipment, the time limit value of the time period corresponding to the target power failure plan is larger than the preset time limit value of the time period, the time period corresponding to the target power failure plan is in a holiday, and the target power failure plan is a single power supply power failure plan;
after acquiring at least one power outage plan, the method further comprises the following steps:
and if the target power failure plan is determined not to meet the constraint conditions, prompting a user.
3. The method of claim 2, wherein classifying blackout plans that satisfy constraints comprises:
respectively acquiring electrical equipment corresponding to each power failure plan meeting constraint conditions, and classifying the electrical equipment;
each power outage plan is classified according to the type of the electrical equipment corresponding to the power outage plan.
4. The method of claim 1, wherein obtaining the grid operation risk results for each additional blackout plan for each type of blackout plan in turn comprises:
according to the sequence of the types of the power failure plans, sequentially adding a new power failure plan;
and inputting the newly-added power failure plan, the power failure plan before the newly-added power failure plan and the power grid operation real-time data into a pre-trained risk assessment model to obtain a power grid operation risk result output by the risk assessment model.
5. The method of claim 4, wherein determining that the grid operational risk result satisfies a termination condition comprises:
judging whether the risk value is greater than or equal to a preset risk limit value or not, or judging whether the number of power failure plans meeting the risk index in the newly-added power failure plans and the power failure plans before the newly-added power failure plans is greater than or equal to the preset risk number limit value or not, and if so, determining that the power grid operation risk result meets a termination condition;
meeting risk indicators, including:
and if the type of the electrical equipment corresponding to the power failure plan is determined to be an emergency type, and/or the risk level in the power grid operation risk result corresponding to the power failure plan is greater than or equal to a preset risk level threshold value, determining that the power failure plan meets the risk index.
6. The method of claim 4, wherein the step of scheduling blackout plans prior to the addition of blackout plans and the step of formulating corresponding risk descriptions and risk control measures according to the risk condition of each blackout plan comprises:
obtaining operation risk results of each power grid corresponding to each power failure plan before the newly added power failure plan;
and acquiring the risk condition of each fault device corresponding to each power grid operation risk result, performing risk description on each fault device, and acquiring the risk control measure corresponding to each fault device by a network reconstruction method.
7. The method of claim 6, wherein the obtaining risk control measures corresponding to the faulty devices by the network reconfiguration method comprises:
determining a target fault area corresponding to target fault equipment;
and if the standby equipment exists in the target failure area, starting the standby equipment, and determining the recovery sequence of each electrical equipment in the target failure area by adopting a power supply path recovery algorithm.
8. An apparatus for scheduling a power outage, comprising:
the power failure plan classification module is used for acquiring at least one power failure plan, screening out the power failure plans meeting the constraint conditions, and classifying the power failure plans meeting the constraint conditions;
the power grid operation risk result acquisition module is used for sequentially acquiring power grid operation risk results after each power failure plan is added for each type of power failure plan;
and the power failure plan arrangement module is used for arranging each power failure plan before the increased power failure plan if the power grid operation risk result is determined to meet the termination condition, and establishing corresponding risk description and risk control measures according to the risk condition of each power failure plan.
9. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the method of scheduling power outage as claimed in any one of claims 1 to 7 when executing the program.
10. A storage medium containing computer-executable instructions for performing the method of orchestrating a power outage plan according to any one of claims 1-7 when executed by a computer processor.
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