CN113129167A - Method and device for recovering power supply of transformer area and terminal equipment - Google Patents
Method and device for recovering power supply of transformer area and terminal equipment Download PDFInfo
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Abstract
The invention is suitable for the technical field of power supply, and provides a method, a device and a terminal device for recovering power supply of a distribution room, wherein the method comprises the following steps: acquiring the power supply capacity of a fault station area in a target time period and the power supply requirement of a first node, wherein the first node is a node in the fault station area; acquiring the category of each first node and the continuous power failure duration before the target time interval, and determining the priority of each first node according to the category and the continuous power failure duration; generating at least one alternative power supply recovery scheme according to the power supply capacity, the power supply requirement of each first node and the priority; and calculating the switching times of each alternative power supply recovery scheme when the alternative power supply recovery scheme enters the target time period, and determining the alternative power supply recovery scheme with the minimum switching times as the target power supply recovery scheme of the fault station area in the target time period. The power supply recovery method for the transformer area can reasonably determine a temporary power supply recovery scheme according to the actual power supply capacity of the fault transformer area, and reduces user loss.
Description
Technical Field
The invention belongs to the technical field of power supply, and particularly relates to a method and a device for recovering power supply of a distribution room and terminal equipment.
Background
The stable operation of the power distribution network is related to the normal production of various industries and the normal life of residents, and when the power distribution network fails to cause power failure in a transformer area, the power supply recovery is performed quickly.
The traditional power supply recovery method for the transformer area mainly considers how to quickly and effectively perform fault maintenance and how to process possible disasters on the basis of a network frame structure and equipment in the transformer area. The conventional power supply recovery method for the transformer area is difficult to solve the problem that the transformer area loses power in the maintenance process, and the transformer area loses power to cause inconvenience to production and life of users in the fault maintenance process.
Disclosure of Invention
In view of this, embodiments of the present invention provide a method and an apparatus for recovering power supply of a distribution room, and a terminal device, which can perform appropriate emergency power supply recovery when performing fault maintenance on the distribution room.
A first aspect of an embodiment of the present invention provides a method for recovering power supplied to a distribution room, including:
acquiring the power supply capacity of a fault station area in a target time period and the power supply requirement of first nodes, wherein the first nodes are nodes located in the fault station area, and the number of the first nodes is one or more;
acquiring the category of each first node and the continuous power failure duration of each first node before the target time interval; determining the priority of each first node according to the category of each first node and the continuous power failure duration;
generating at least one alternative power supply recovery scheme according to the power supply capacity, the power supply requirement of each first node and the priority of each first node; calculating the switching times of the at least one alternative power supply recovery scheme when the target time period is entered; and determining the alternative power supply recovery scheme with the minimum switch switching times as a target power supply recovery scheme of the fault station area in the target time period.
A second aspect of an embodiment of the present invention provides a device for recovering power supplied to a distribution room, including:
the system comprises a first acquisition module, a second acquisition module and a third acquisition module, wherein the first acquisition module is used for acquiring the power supply capacity of a fault station area in a target time period and the power supply requirement of first nodes, the first nodes are nodes located in the fault station area, and the number of the first nodes is one or more;
the second obtaining module is used for obtaining the category of each first node and the continuous power failure duration of each first node before the target time interval;
the priority determining module is used for determining the priority of each first node according to the category of each first node and the continuous power failure duration;
the alternative power supply recovery scheme generation module is used for generating at least one alternative power supply recovery scheme according to the power supply capacity, the power supply requirement of each first node and the priority of each first node;
the switch switching frequency calculating module is used for calculating the switch switching frequency of the at least one alternative power supply recovery scheme when the at least one alternative power supply recovery scheme enters the target time period;
and the target power supply recovery scheme determining module is used for determining the alternative power supply recovery scheme with the minimum switch switching times as the target power supply recovery scheme of the fault station area in the target time period.
A third aspect of the embodiments of the present invention provides a terminal device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor implements the steps of the method when executing the computer program.
A fourth aspect of embodiments of the present invention provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of the method as described above.
A fifth aspect of embodiments of the present invention provides a computer program product, which, when run on a terminal device, causes the electronic device to perform the steps of the method according to any one of the first aspect.
Compared with the prior art, the embodiment of the invention has the following beneficial effects: the embodiment of the invention provides a power supply recovery method for a transformer area, which comprises the steps of obtaining the power supply capacity of a fault transformer area in a target time period and the power supply requirement of a first node, wherein the first node is a node in the fault transformer area; acquiring the category of each first node and the continuous power failure duration of each first node before a target time interval; and determining the priority of each first node according to the category and the continuous power failure duration. The embodiment of the invention can accurately determine the priority of each first node according to the actual situation of the fault area. Further, generating at least one alternative power supply recovery scheme according to the power supply capacity, the power supply requirement of each first node and the priority; and calculating the switching times of each alternative power supply recovery scheme when the alternative power supply recovery scheme enters the target time period, and determining the alternative power supply recovery scheme with the minimum switching times as the target power supply recovery scheme of the fault station area in the target time period. According to the embodiment of the invention, the final target power supply recovery scheme is determined according to the priority and the switching times of each node, so that the switching times can be reduced on the premise of meeting the actual requirements of users, and the power supply recovery is simply and efficiently carried out.
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In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic flow chart illustrating an implementation process of a power supply recovery method for a distribution room according to an embodiment of the present invention;
fig. 2 is a schematic strategy flow diagram of a power supply recovery method for a distribution room according to an embodiment of the present invention;
fig. 3 is a schematic view of an application scenario of the power restoration method for a distribution room according to the embodiment of the present invention;
fig. 4 is a schematic diagram of a power restoration apparatus for a distribution room according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a terminal device according to an embodiment of the present invention.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
In order to explain the technical means of the present invention, the following description will be given by way of specific examples.
The power supply recovery method for the transformer area, provided by the embodiment of the invention, is applied to the intelligent distribution transformer area and is used for performing emergency power supply recovery on part of nodes when the power supply transformer area fails.
Referring to fig. 1, an embodiment of the present invention provides a method for recovering power supplied to a distribution room, including steps S101 to S106.
S101: the power supply capacity of a fault station area in a target time period and the power supply requirement of first nodes are obtained, the first nodes are the nodes located in the fault station area, and the number of the first nodes is one or more.
In this embodiment, the faulty distribution area is a distribution area that cannot normally obtain or use external electric energy to supply power to each node in the distribution area.
When the transformer area has a fault, a certain time is consumed for maintenance, and emergency power supply recovery is required according to a temporary power supply scheme within the expected maintenance time. At this time, the power supply capacity of the fault station area is limited, so that only part of the first nodes can be supplied with power, and the rest of the first nodes cannot be supplied with power.
Before S101, the method may further include: acquiring the fault type of a fault area, and determining predicted maintenance time according to the fault type; the projected repair time is divided into a plurality of time segments.
In this embodiment, an emergency target power restoration scheme is generated for each period.
Optionally, the predicted maintenance time is divided into a plurality of time intervals according to a preset time interval.
Optionally, the predicted maintenance time is divided according to the number of preset time periods to obtain a plurality of time periods.
In the present embodiment, the target period is any period in the expected repair time.
In some embodiments, S101 may include steps S201 to S202.
S201: and acquiring a load function of each first node.
S202: and integrating the load function of each first node in a target time period to obtain the power supply requirement of each first node.
In this embodiment, the load function may be a function generated according to the historical load condition of each first node, and is used to represent the predicted load capacity of each first node.
In a specific embodiment, the load function may be represented in a graph, resulting in a load curve.
In a particular embodiment, according to
And calculating the power supply requirement of each first node in the target time period. Wherein i is a node serial number; f. ofi(t) is the load curve of the ith node; j is a time interval sequence number; t is tjIs the starting time of the jth time interval; t is tj+1Is the end time of the jth time interval, namely the start time of the jth +1 time interval; l isi(j) The power supply requirement of the ith node in the jth time interval is met, and the target time interval is tjTo tj+1A time period.
S102: and acquiring the category of each first node and the continuous power failure duration of each first node before the target time interval.
In this embodiment, the categories of the respective first nodes may include an emergency facility node, a temperature adjustment facility node, and other nodes.
In a specific application scenario, the emergency facility node may include an emergency lighting facility, an emergency communication facility, a medical facility, and the like, and in order to ensure the safety of residents, such facilities should be kept in a power supply state.
In a specific application scenario, the temperature-adjusting facility nodes may include an air-conditioning load node, a heating facility load node and the like, and such nodes may be powered off for a short time, but the power off for a long time may affect the normal life of residents, especially in environments with high temperature in summer and severe cold in winter.
In one particular application scenario, other nodes may include landscape lighting nodes, entertainment facility nodes, and the like, which may be powered down in the event of a station failure.
In some embodiments, the duration of the power outage of each first node before the target period is tjBefore the moment, the continuous power failure duration of each first node is long.
In a specific application scenario, the first node is intjIf the power supply state is in the state before the moment, the continuous power failure duration of the first node is 0; the fifth node is at t1Time to tjThe power failure state is at the moment, and the continuous power failure duration of the fifth node is tj-t1。
S103: and determining the priority of each first node according to the category of each first node and the continuous power failure duration.
In some embodiments, S103 may include steps S301 to S303.
S301: and acquiring first parameters corresponding to the categories of the first nodes.
S302: and calculating a second parameter of each first node according to the first parameter and the continuous power failure duration.
S303: and determining the priority of each first node according to the second parameter.
In a specific application scenario, the first parameter of the emergency facility node is 1000, and the first parameters of other nodes are 0; the second parameter of the emergency facility node and the other nodes is equal to the first parameter, that is, the second parameter of the emergency facility node is 1000, and the second parameter of the other nodes is 0.
In a specific application scenario, for a temperature-regulating facility node, TiDuration of power outage, T, for the ith nodeiLess than 2 hours, the first parameter, i.e. the load level weight, is 0; when T isiGreater than or equal to 2 hours and less than 4 hours, the first parameter being equal to 1; when T isiGreater than or equal to 4 hours and less than 6 hours, the first parameter being equal to 10; when T isiGreater than or equal to 6 hours, the first parameter is equal to 100.
According to
Wi＝Ti·δi
Calculating a priority of each temperature-control-facility node, i.e. a second parameter, wherein WiIs a second parameter, T, of the ith nodeiDuration of power outage, δ, for the ith nodeiIs the first parameter of the ith node.
And determining the priority for each first node according to the numerical value interval of the second parameter of each first node. Specifically, the larger the value of the second parameter, the higher the priority.
S104: and generating at least one alternative power supply recovery scheme according to the power supply capacity, the power supply requirement of each first node and the priority of each first node.
In some embodiments, S104 may include: according to the principle of firstly recovering the power supply of the first node with high priority, based on the power supply capacity, the power supply requirement of each first node and the priority of each first node, under the conditions of dynamic load change constraint, power flow equation constraint, node voltage constraint and power distribution network radiation operation constraint, at least one alternative power supply recovery scheme is generated.
In this embodiment, each generated power supply restoration scheme needs to restore power supply to the node with the higher priority first and then restore power supply to the node with the lower priority again until the power supply capacity is completely allocated to each first node.
S105: and calculating the switching times of the at least one alternative power supply recovery scheme when the target time period is entered.
In some embodiments, S105 may include steps S401 to S403.
S401: and acquiring a first state of each switch in the fault station area, wherein the first state is the state of each switch before the target time period.
S402: acquiring a second state of each switch in the fault area, wherein the second state is the state of each switch in the first alternative power supply recovery scheme; the first alternative power restoration scheme is any alternative power restoration scheme.
S403: and determining the switching times of the first alternative power supply recovery scheme when the first alternative power supply recovery scheme enters the target time period according to the first state and the second state of each switch.
S106: and determining the alternative power supply recovery scheme with the minimum switch switching times as a target power supply recovery scheme of the fault station area in the target time period.
In a specific application scenario, in the alternative power restoration scheme X, when the target time period is entered, i.e. tjAt that time, the states of a total of x switches change; in the alternative power supply recovery scheme Y, when the target time interval is entered, the states of the public Y switches are changed, and if X is smaller than Y, the alternative power supply recovery scheme X is used as the target power supply recovery scheme of the fault station area in the target time interval.
The method for restoring the power supply of the transformer area, provided by the embodiment of the invention, can determine a temporary power supply restoration scheme according to the power supply capacity and the power supply requirement of the intelligent distribution transformer area before the fault of the transformer area is restored, thereby reducing the loss and inconvenience caused by the production and life of users due to power failure. In the above process, the method for recovering power supply to the distribution room provided by this embodiment may consider the actual operation conditions of each device of each node in the distribution room, reasonably utilize the limited power supply capability to recover power supply to part of the nodes, and improve user experience. On the other hand, the alternative power supply recovery scheme with the minimum switch switching times is used as the target power supply recovery scheme, so that the switch operation can be reduced, and the operation process of power supply recovery is simplified.
In some embodiments, the power restoration method may further include S107.
S107: and according to the target power supply recovery scheme, performing power supply recovery on the fault area by using the mobile energy storage.
In a specific application scenario, after the target power supply recovery scheme is determined, the mobile storage is used for performing emergency power supply on the fault station area.
In some embodiments, the power restoration method for a cell may further include steps S501 to S504.
S501: acquiring a second node in the target power supply recovery scheme; the second node is a node which does not perform power restoration in the target power restoration scheme among the first nodes.
S502: carrying out island division on the second node to obtain one or more islands; each island includes at least one second node.
S503: and determining the island priority of each island according to the priority of the second node in each island.
S504: and according to the island priority, using the electric automobile to discharge to recover the power supply of each island.
In this embodiment, when the electric vehicle is used for discharging to recover power supply, the power supply time of the electric vehicle needs to be determined according to the capacity of the mobile energy storage battery of the electric vehicle, and then power supply recovery is performed for each island.
In this particular embodiment, the electric vehicle is used for power restoration with the maximum flexibility of power restoration being the target.
Optionally, according to
And calculating the elasticity of power supply recovery. Wherein, F (t) is the recovery area in the discharging process of the electric automobile, and R is the recovery elasticity in the discharging process of the electric automobile.
Optionally, the power supply recovery is performed by using a common electric vehicle, and then the power supply recovery is performed by using an emergency power supply vehicle.
Fig. 2 shows a strategy flow of power supply restoration in a distribution area, and referring to fig. 2, in a specific application scenario, the strategy flow of power distribution network fault emergency repair and restoration based on a winter heating load and a summer air conditioning load is as follows:
load time-varying prediction is carried out on nodes in a fault area according to the electric load, so that the load demand at each moment is determined; and on the other hand, the load is graded according to the electric load, so that the load priority is determined. Further, according to the load demand and the load priority at each moment, the load with high priority recovery/emergency repair importance degree is determined, and finally an emergency repair decision/recovery scheme is formed.
Fig. 3 shows an application scenario of power restoration of a power grid, in the figure, taking a power grid of an IEEE30 node as an example, node 7 and node 17 have one or more electric vehicles at each of nodes 26 to discharge back to the power grid, and node 13 may be used as an electric vehicle reverse-phase discharge node or a discharge node of an emergency power supply vehicle. The nodes 4, 8, 16, 18, 21 and 30 are important nodes having high priority. Fig. 3 shows a schematic diagram of two target power restoration schemes.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
Fig. 4 shows a schematic structural diagram of a power supply restoration apparatus for a distribution room according to an embodiment of the present invention, and referring to fig. 4, the power supply restoration apparatus 40 for a distribution room includes: the power supply recovery system comprises a first acquisition module 410, a second acquisition module 420, a priority determination module 430, an alternative power supply recovery scheme generation module 440, a switch switching number calculation module 450 and a target power supply recovery scheme determination module 460.
A first obtaining module 410, configured to obtain a power supply capability of a faulty station area in a target time period and a power supply requirement of a first node, where the first node is a node located in the faulty station area, and the number of the first nodes is one or more.
A second obtaining module 420, configured to obtain a category of each of the first nodes and a duration of power outage of each of the first nodes before the target time period.
A priority determining module 430, configured to determine a priority of each first node according to the category of each first node and the duration of the power outage.
And an alternative power supply restoration scheme generating module 440, configured to generate at least one alternative power supply restoration scheme according to the power supply capability, the power supply requirement of each first node, and the priority of each first node.
A switch switching number calculating module 450, configured to calculate a switch switching number of the at least one alternative power restoration scheme when entering the target time period;
and a target power supply recovery scheme determining module 460, configured to determine, as the target power supply recovery scheme of the faulty distribution area in the target time period, the alternative power supply recovery scheme with the minimum switch switching times.
The power supply recovery device for the transformer area, provided by the embodiment of the invention, can determine a temporary power supply recovery scheme according to the actual power supply capacity and the actual power supply demand of the intelligent distribution transformer area before the fault of the transformer area is repaired, so that the loss and the inconvenience caused by the production and the life of a user due to power failure are reduced. Meanwhile, the alternative power supply recovery scheme with the minimum switch switching times is used as the target power supply recovery scheme, so that the switch operation can be reduced, and the operation process of power supply recovery is simplified.
In some embodiments, the first obtaining module 410 is specifically configured to: and acquiring a load function of each first node. And integrating the load function of each first node in the target time period to obtain the power supply requirement of each first node.
In some embodiments, the priority determination module 430 is specifically configured to: and acquiring a first parameter corresponding to the category of each first node. And calculating a second parameter of each first node according to the first parameter and the continuous power failure duration. And determining the priority of each first node according to the second parameters.
In some embodiments, the alternative power restoration scheme generating module 440 is specifically configured to: according to the principle of firstly recovering the power supply of the first node with high priority, based on the power supply capacity, the power supply requirement of each first node and the priority of each first node, under the conditions of dynamic load change constraint, power flow equation constraint, node voltage constraint and power distribution network radiation operation constraint, at least one alternative power supply recovery scheme is generated.
In some embodiments, the switch switching number calculating module 450 is specifically configured to: and acquiring a first state of each switch in the fault station area, wherein the first state is the state of each switch before the target time interval. Acquiring a second state of each switch in the fault area, wherein the second state is the state of each switch in a first alternative power supply recovery scheme; the first alternative power restoration scheme is any one scheme of the at least one alternative power restoration scheme. And determining the switching times of the first alternative power supply recovery scheme when the first alternative power supply recovery scheme enters the target time period according to the first state and the second state of each switch.
In some embodiments, the station power restoration apparatus further includes: and the mobile energy storage power supply recovery module is used for performing power supply recovery on the fault area by using the mobile energy storage.
In some embodiments, the station power restoration apparatus further includes: an island power restoration module configured to:
acquiring a second node in the target power supply recovery scheme; and the second node is a node which does not carry out power supply recovery in the target power supply recovery scheme in the first node. And carrying out island division on the second nodes to obtain one or more islands, wherein each island comprises at least one second node. And determining the island priority of each island according to the priority of the second node in each island. And according to the island priority, using the electric automobile to discharge to recover the power supply of each island.
Fig. 5 is a schematic diagram of a terminal device according to an embodiment of the present invention. As shown in fig. 5, the terminal device 50 of this embodiment includes: a processor 500, a memory 510, and a computer program 520, such as a block power restoration program, stored in the memory 510 and executable on the processor 500. The processor 50 executes the computer program 520 to implement the steps in the above embodiments of the power restoration method for a distribution area, such as the steps S101 to S106 shown in fig. 1. Alternatively, the processor 500 executes the computer program 520 to implement the functions of the modules/units in the device embodiments, such as the modules 410 to 460 shown in fig. 4.
Illustratively, the computer program 520 may be partitioned into one or more modules/units that are stored in the memory 510 and executed by the processor 500 to implement the present invention. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution of the computer program 520 in the terminal device 50. For example, the computer program 520 may be divided into a first acquisition module, a second acquisition module, a priority determination module, an alternative power restoration scheme generation module, a switch switching number calculation module, and a target power restoration scheme determination module (a module in a virtual device).
The terminal device 50 may be a computing device such as a desktop computer, a notebook, a palm computer, and a cloud server. The terminal device may include, but is not limited to, a processor 500, a memory 510. Those skilled in the art will appreciate that fig. 5 is merely an example of a terminal device 50 and does not constitute a limitation of terminal device 50 and may include more or fewer components than shown, or some components may be combined, or different components, for example, the terminal device may also include input output devices, network access devices, buses, etc.
The Processor 500 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The storage 510 may be an internal storage unit of the terminal device 50, such as a hard disk or a memory of the terminal device 50. The memory 510 may also be an external storage device of the terminal device 50, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like, which are provided on the terminal device 50. Further, the memory 510 may also include both an internal storage unit and an external storage device of the terminal device 50. The memory 510 is used for storing the computer programs and other programs and data required by the terminal device. The memory 510 may also be used to temporarily store data that has been output or is to be output.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus/terminal device and method may be implemented in other ways. For example, the above-described embodiments of the apparatus/terminal device are merely illustrative, and for example, the division of the modules or units is only one logical division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated modules/units, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (10)
1. A power supply restoration method for a distribution room is characterized by comprising the following steps:
acquiring the power supply capacity of a fault station area in a target time period and the power supply requirement of first nodes, wherein the first nodes are nodes located in the fault station area, and the number of the first nodes is one or more;
acquiring the category of each first node and the continuous power failure duration of each first node before the target time interval;
determining the priority of each first node according to the category of each first node and the continuous power failure duration;
generating at least one alternative power supply recovery scheme according to the power supply capacity, the power supply requirement of each first node and the priority of each first node;
calculating the switching times of the at least one alternative power supply recovery scheme when the target time period is entered;
and determining the alternative power supply recovery scheme with the minimum switch switching times as a target power supply recovery scheme of the fault station area in the target time period.
2. The method for recovering power supply to a distribution area according to claim 1, wherein the obtaining of the power supply requirement of the first node comprises:
acquiring a load function of each first node;
and integrating the load function of each first node in the target time period to obtain the power supply requirement of each first node.
3. The method for recovering power supply to a distribution area according to claim 1, wherein said determining the priority of each of the first nodes according to the category of each of the first nodes and the duration of the power outage comprises:
acquiring a first parameter corresponding to the category of each first node;
calculating a second parameter of each first node according to the first parameter and the continuous power failure duration;
and determining the priority of each first node according to the second parameters.
4. The method for recovering power supplied to a distribution room according to claim 1, wherein said generating at least one alternative power supply recovery scheme according to the power supply capability, the power supply requirement of each of the first nodes, and the priority of each of the first nodes comprises:
according to the principle of firstly recovering the power supply of the first node with high priority, based on the power supply capacity, the power supply requirement of each first node and the priority of each first node, under the conditions of dynamic load change constraint, power flow equation constraint, node voltage constraint and power distribution network radiation operation constraint, at least one alternative power supply recovery scheme is generated.
5. The method for recovering power to a distribution room according to claim 1, wherein said calculating the number of times of switching of said at least one alternative power recovery scheme when entering said target time period comprises:
acquiring a first state of each switch in the fault area, wherein the first state is a state of each switch before the target time period;
acquiring a second state of each switch in the fault area, wherein the second state is the state of each switch in a first alternative power supply recovery scheme; the first alternative power supply recovery scheme is any one scheme of the at least one alternative power supply recovery scheme;
and determining the switching times of the first alternative power supply recovery scheme when the first alternative power supply recovery scheme enters the target time period according to the first state and the second state of each switch.
6. A power restoration method for a distribution room according to claim 1, wherein the alternative power restoration scheme with the minimum number of switching times is determined as a target power restoration scheme for the faulty distribution room in the target time period, and the method further comprises:
and using the mobile energy storage to carry out power supply recovery on the fault area.
7. A power restoration method according to any one of claims 1 to 6, wherein the alternative power restoration scheme with the minimum number of switching times is determined as a target power restoration scheme for the failed power supply in the target time period, and the method further comprises:
acquiring a second node in the target power supply recovery scheme; the second node is a node which does not perform power supply recovery in the target power supply recovery scheme in the first node;
carrying out island division on the second nodes to obtain one or more islands, wherein each island comprises at least one second node;
determining island priority of each island according to the priority of the second node in each island;
and according to the island priority, using the electric automobile to discharge to recover the power supply of each island.
8. A power restoration device for a distribution room, comprising:
the system comprises a first acquisition module, a second acquisition module and a third acquisition module, wherein the first acquisition module is used for acquiring the power supply capacity of a fault station area in a target time period and the power supply requirement of first nodes, the first nodes are nodes located in the fault station area, and the number of the first nodes is one or more;
the second obtaining module is used for obtaining the category of each first node and the continuous power failure duration of each first node before the target time interval;
the priority determining module is used for determining the priority of each first node according to the category of each first node and the continuous power failure duration;
the alternative power supply recovery scheme generation module is used for generating at least one alternative power supply recovery scheme according to the power supply capacity, the power supply requirement of each first node and the priority of each first node;
the switch switching frequency calculating module is used for calculating the switch switching frequency of the at least one alternative power supply recovery scheme when the at least one alternative power supply recovery scheme enters the target time period;
and the target power supply recovery scheme determining module is used for determining the alternative power supply recovery scheme with the minimum switch switching times as the target power supply recovery scheme of the fault station area in the target time period.
9. A terminal device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor implements the steps of the method according to any of claims 1 to 7 when executing the computer program.
10. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 7.
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| CN202110535085.3A CN113129167A (en) | 2021-05-17 | 2021-05-17 | Method and device for recovering power supply of transformer area and terminal equipment |
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| CN202110535085.3A CN113129167A (en) | 2021-05-17 | 2021-05-17 | Method and device for recovering power supply of transformer area and terminal equipment |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102097865A (en) * | 2011-03-25 | 2011-06-15 | 武汉大学 | Method for restoring power supply in power system |
| CN103746376A (en) * | 2014-01-21 | 2014-04-23 | 重庆大学 | Power distribution network dynamic power restoration method based on load curve |
| CN106786546A (en) * | 2017-01-11 | 2017-05-31 | 南京工业大学 | Distribution network failure recovery policy optimization method based on risk assessment |
| CN106855991A (en) * | 2017-01-09 | 2017-06-16 | 国网浙江省电力公司杭州供电公司 | The Accident Handling Method and system of a kind of main distribution one |
| CN107394775A (en) * | 2017-08-31 | 2017-11-24 | 国家电网公司 | A kind of active power distribution network sequential islet operation method of meter and load priority |
| CN108123439A (en) * | 2018-01-03 | 2018-06-05 | 燕山大学 | A kind of repairing of active distribution network multiple faults and restoration methods based on multi-agent system |
| CN108206540A (en) * | 2018-01-24 | 2018-06-26 | 天津大学 | Consider the active power distribution network isolated island division methods in important load continuous working period |
| CN108988322A (en) * | 2018-06-30 | 2018-12-11 | 南京理工大学 | The microgrid optimization of operation strategy method of consideration system time variation |
| CN109995028A (en) * | 2019-04-09 | 2019-07-09 | 国网山东省电力公司济南供电公司 | A kind of Distribution Network Failure restoration methods and system based on optimal recovery sequence |
| CN112701688A (en) * | 2021-01-28 | 2021-04-23 | 国网河北省电力有限公司电力科学研究院 | Power distribution network fault recovery method considering emergency electric vehicle and terminal equipment |
-
2021
- 2021-05-17 CN CN202110535085.3A patent/CN113129167A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102097865A (en) * | 2011-03-25 | 2011-06-15 | 武汉大学 | Method for restoring power supply in power system |
| CN103746376A (en) * | 2014-01-21 | 2014-04-23 | 重庆大学 | Power distribution network dynamic power restoration method based on load curve |
| CN106855991A (en) * | 2017-01-09 | 2017-06-16 | 国网浙江省电力公司杭州供电公司 | The Accident Handling Method and system of a kind of main distribution one |
| CN106786546A (en) * | 2017-01-11 | 2017-05-31 | 南京工业大学 | Distribution network failure recovery policy optimization method based on risk assessment |
| CN107394775A (en) * | 2017-08-31 | 2017-11-24 | 国家电网公司 | A kind of active power distribution network sequential islet operation method of meter and load priority |
| CN108123439A (en) * | 2018-01-03 | 2018-06-05 | 燕山大学 | A kind of repairing of active distribution network multiple faults and restoration methods based on multi-agent system |
| CN108206540A (en) * | 2018-01-24 | 2018-06-26 | 天津大学 | Consider the active power distribution network isolated island division methods in important load continuous working period |
| CN108988322A (en) * | 2018-06-30 | 2018-12-11 | 南京理工大学 | The microgrid optimization of operation strategy method of consideration system time variation |
| CN109995028A (en) * | 2019-04-09 | 2019-07-09 | 国网山东省电力公司济南供电公司 | A kind of Distribution Network Failure restoration methods and system based on optimal recovery sequence |
| CN112701688A (en) * | 2021-01-28 | 2021-04-23 | 国网河北省电力有限公司电力科学研究院 | Power distribution network fault recovery method considering emergency electric vehicle and terminal equipment |
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Application publication date: 20210716 |