CN115860369A - Power distribution network power failure range calculation method, reliability calculation method and medium - Google Patents
Power distribution network power failure range calculation method, reliability calculation method and medium Download PDFInfo
- Publication number
- CN115860369A CN115860369A CN202211475899.3A CN202211475899A CN115860369A CN 115860369 A CN115860369 A CN 115860369A CN 202211475899 A CN202211475899 A CN 202211475899A CN 115860369 A CN115860369 A CN 115860369A
- Authority
- CN
- China
- Prior art keywords
- distribution network
- power failure
- power
- power distribution
- calculating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention discloses a power distribution network power failure range calculation method, a reliability calculation method and a medium, and relates to the technical field of power distribution line power failure, wherein the power failure range calculation method comprises the following steps: acquiring equipment information, terminal information and node information, and constructing a topological graph of the power distribution network; analyzing the topological graph of the power distribution network to obtain a multidirectional linked list; selecting any node in the multi-way linked list as a power supply point, and analyzing the multi-way linked list through a tail recursion algorithm to obtain a tree diagram taking the power supply point as a root node; calculating the power failure range of the power distribution network according to the tree diagram; according to the node position of the breakpoint in the tree-shaped graph, the power failure range of the power distribution network is visually obtained, the method has no omission condition, and the accuracy of the power failure range of the power distribution network is improved.
Description
Technical Field
The invention relates to power distribution line power failure, in particular to a power distribution network power failure range calculation method, a reliability calculation method and a medium.
Background
Under the blueprint of the strategic target of energy transformation, the power system in China gradually develops towards a novel power system taking renewable energy as a main body, and the power distribution network is taken as a main form of distributed energy access and a key link for improving the consumption of the renewable energy and is a powerful guarantee for realizing the target of double carbon.
However, with the access of distributed new energy, higher requirements are provided for the reliability of the power distribution network, the possibility of faults occurring in the operation process of the low-voltage power distribution network is relatively high, and timely and accurately determining the fault line section has important significance for reducing the power failure duration of a user and improving the power supply reliability.
Disclosure of Invention
The invention aims to provide a power distribution network power failure range calculation method, a reliability calculation method and a medium, and aims to solve the technical problem of improving the accuracy of the power distribution network power failure range.
The invention is realized by the following technical scheme:
the first aspect provides a method for calculating a power failure range of a power distribution network, which comprises the following steps:
acquiring equipment information, terminal information and node information, and constructing a topological graph of the power distribution network;
analyzing the topological graph of the power distribution network to obtain a multidirectional linked list;
selecting any node in the multi-way linked list as a power supply point, and analyzing the multi-way linked list through a tail recursion algorithm to obtain a tree diagram taking the power supply point as a root node;
and calculating the power failure range of the power distribution network according to the tree diagram.
According to the topological graph of the power distribution network, the multidirectional linked list of one line is obtained, then the tree-shaped graph of the line is obtained according to the multidirectional linked list, and the power failure range of the power distribution network is visually obtained according to the node positions of breakpoints in the tree-shaped graph.
Further, the specific steps of constructing the topological graph of the power distribution network are as follows:
reading the device ID of the device in the device information, the node ID of the node in the node information, the terminal ID of the terminal in the terminal information, and the node ID and the device ID corresponding to the terminal;
and connecting the terminal with the corresponding node and equipment according to the node ID and the equipment ID corresponding to the terminal in the terminal information to obtain the topological graph of the power distribution network.
Further, a device includes one or more terminals, each terminal corresponding to a terminal ID, the device and the terminals being in a one-to-many relationship.
Further, analyzing the distribution network topological graph comprises the following steps: and connecting the terminals with the same equipment ID to obtain the multidirectional linked list.
One node is associated with one or more terminals, one terminal is associated with one or more devices, one device is associated with one or more terminals, so that a multidirectional linked list is generated, a normal distribution network topological graph has and can only generate one multidirectional linked list, and all nodes, terminals and devices are associated in the multidirectional linked list.
Further, before analyzing the distribution network topological graph to obtain the multidirectional linked list, whether the distribution network topological graph is normal needs to be analyzed, wherein the analysis steps are as follows:
storing all nodes, terminals and equipment in the distribution network topological graph in a data list;
selecting any node as an initial node, finding out nodes, terminals and equipment associated with the initial node from a data list according to the topological graph of the power distribution network, and generating a multidirectional linked list;
erasing the nodes, terminals and equipment which generate the multidirectional linked list from a data list;
judging whether residual nodes, terminals or equipment exist in the data list after the nodes, the terminals and the equipment are erased;
if the residual nodes, terminals or equipment exist, the topological graph of the power distribution network is abnormal, and the residual nodes, terminals and equipment are output;
and if no residual node, terminal or equipment exists, the distribution network topological graph is normal.
The abnormal points of the distribution network topological graph are convenient to search.
Further, the specific steps of calculating the power failure range of the power distribution network are as follows:
acquiring node information of breakpoints, and judging whether the number of power supply points connected with the breakpoints is greater than 1 or not and whether the number of the acquired breakpoints is greater than 1 or not;
if the number of the power supply points connected with the breakpoints is equal to 1 and the number of the obtained breakpoints is equal to 1, all nodes connected below the breakpoints are power failure ranges according to the tree diagram;
if the number of the power supply points connected with the breakpoints is equal to 1 and the obtained number of the breakpoints is more than 1, respectively calculating the power failure range of each breakpoint, and then calculating the union set of the power failure ranges of the breakpoints to obtain the total power failure range;
if the number of the power supply points connected with the breakpoints is more than 1 and the obtained number of the breakpoints is equal to 1, calculating the power failure range of the breakpoints according to the dendrogram taking the corresponding power supply points as root nodes, and calculating the intersection of all the power failure ranges of the breakpoints to obtain the total power failure range;
if the number of the power supply points connected with the breakpoints is larger than 1 and the number of the obtained breakpoints is larger than 1, respectively calculating the power failure range of each breakpoint, and then calculating the intersection of all the power failure ranges of each breakpoint to obtain the total power failure range.
According to the breakpoint condition analysis distribution network power failure scope of difference, obtain more accurate power failure scope, the follow-up management and control of being convenient for.
According to the second aspect, the reliability of the power distribution network is calculated according to the power failure range of the power distribution network obtained by the calculating method.
Further, the method comprises the following steps:
acquiring power failure starting time and power failure ending time in a power failure range of a power distribution network and all distribution transformers in the power failure range of the power distribution network;
calculating the power failure duration according to the power failure starting time and the power failure ending time;
inquiring user information of power supply of each distribution transformer through an account book, and accumulating the number of users of each distribution transformer to obtain the number of power failure users;
calculating the number of households in power failure according to the number of the power failure users and the power failure duration;
and calculating the reliability of the power distribution network according to the number of the households when power is required to be supplied and the number of the households when power is cut off.
Based on the analysis of the topological graph of the power distribution network, users involved in each power failure can be accurately calculated, and the calculation precision of the reliability of the power distribution network is improved.
Further, the calculation formula of the reliability of the power distribution network is as follows:
wherein R represents the reliability of the power distribution network; n represents the total number of users of the power distribution network; t represents the time length of the power distribution network for each user to supply power;
indicating the number of households in the event of a power failure, t n And the power failure duration of the nth power failure user is shown.
A third aspect provides a computer-readable storage medium storing a computer program for causing a computer to execute the method for calculating a power outage range of a power distribution network or the method for calculating reliability of a power distribution network.
Compared with the prior art, the invention has the following advantages and beneficial effects:
according to the topological graph of the power distribution network, a multidirectional linked list of a line is obtained, then a tree-shaped graph of the line is obtained according to the multidirectional linked list, and the power failure range of the power distribution network is visually obtained according to the node positions of breakpoints in the tree-shaped graph, so that omission is avoided, and the accuracy of the power failure range of the power distribution network is improved;
the reliability of the traditional power distribution network is calculated according to the fact that the whole line is powered off at the same time, specific power-off users cannot be accurately obtained, and the calculated reliability of the power distribution network is lower than an actual value.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort. In the drawings:
fig. 1 is a flowchart for calculating a power outage range of a power distribution network according to embodiment 1;
fig. 2 is a schematic diagram of connection between a node and a terminal provided in embodiment 1;
fig. 3 is a schematic connection diagram of a node, a terminal and a device provided in embodiment 1;
FIG. 4 is a schematic diagram of a multidirectional linked list provided in embodiment 1;
fig. 5 is a schematic diagram of a power failure range in which a switch in a single-breakpoint station supplies power, a node 1 is a power supply point, and a node 3 is a breakpoint, according to embodiment 1;
fig. 6 is a schematic diagram of a reliability calculation flow of the power distribution network provided in embodiment 2.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
The embodiment 1 provides a method for calculating a power failure range of a power distribution network, as shown in fig. 1, including the following steps:
s1, acquiring equipment information, terminal information and node information, and constructing a topological graph of a power distribution network;
s2, analyzing the topological graph of the power distribution network to obtain a multidirectional linked list;
s3, selecting any node in the multi-way linked list as a power supply point, and analyzing the multi-way linked list through a tail recursion algorithm to obtain a tree diagram taking the power supply point as a root node;
and S4, calculating the power failure range of the power distribution network according to the tree diagram.
According to the topological graph of the power distribution network, the multidirectional linked list of one line is obtained, the tree-shaped graph of the line is obtained according to the multidirectional linked list, and the power failure range of the power distribution network is visually obtained according to the node positions of breakpoints in the tree-shaped graph.
In a specific embodiment, the device information includes basic attributes of the device, such as a device voltage level, a device type, a device ID, and the like;
the terminal information includes basic attributes of the terminal, such as a terminal ID, a node ID (connectivtynode) corresponding to the terminal, a device ID (connectingequipment) corresponding to the terminal, and the like;
the node information includes a node ID.
In a specific embodiment, the specific steps of constructing the topological graph of the power distribution network are as follows:
reading the device ID of the device in the device information, the node ID of the node in the node information, the terminal ID of the terminal in the terminal information, and the node ID and the device ID corresponding to the terminal;
and connecting the terminal with the corresponding node and equipment according to the node ID and the equipment ID corresponding to the terminal in the terminal information to obtain the topological graph of the power distribution network.
In a specific embodiment, a device includes one or more terminals, each terminal corresponds to a terminal ID, and the device and the terminals are in a one-to-many relationship.
In a specific embodiment, analyzing the topology map of the power distribution network includes the following steps:
according to the connectivtynode in the terminal information, the node and the terminal are corresponded, as shown in fig. 2;
and associating the device with the terminal according to the reduction equipment in the terminal information, as shown in fig. 3.
Terminals with the same device ID are connected to obtain the above-mentioned multidirectional link list, as shown in fig. 4.
One node is associated with one or more terminals, one terminal is associated with one or more devices, one device is associated with one or more terminals, so that a multidirectional linked list is generated, a normal distribution network topological graph has and can only generate one multidirectional linked list, and all nodes, terminals and devices are associated in the multidirectional linked list.
In a specific embodiment, before analyzing the distribution network topological graph to obtain the multidirectional linked list, it is further required to analyze whether the distribution network topological graph is normal, and the analyzing steps are as follows:
storing all nodes, terminals and equipment in the distribution network topological graph in a data list;
selecting any node as an initial node, finding out nodes, terminals and equipment associated with the initial node from a data list according to the topological graph of the power distribution network, and generating a multidirectional linked list;
erasing the nodes, terminals and equipment which generate the multidirectional linked list from a data list;
judging whether residual nodes, terminals or equipment exist in the data list after the nodes, the terminals and the equipment are erased;
if the residual nodes, terminals or equipment exist, the topological graph of the power distribution network is abnormal, and the residual nodes, terminals and equipment are output;
and if no residual node, terminal or equipment exists, the distribution network topological graph is normal.
The abnormal points of the distribution network topological graph are convenient to search.
In a specific embodiment, the specific steps of calculating the power outage range of the power distribution network are as follows:
acquiring node information of breakpoints, and judging whether the number of power supply points connected with the breakpoints is greater than 1 or not and whether the number of the acquired breakpoints is greater than 1 or not;
if the number of the power supply points connected with the breakpoints is equal to 1 and the number of the obtained breakpoints is equal to 1, all nodes connected below the breakpoints are power failure ranges according to the tree diagram;
if the number of the power supply points connected with the breakpoints is equal to 1 and the obtained number of the breakpoints is more than 1, respectively calculating the power failure range of each breakpoint, and then calculating the union set of the power failure ranges of the breakpoints to obtain the total power failure range;
if the number of the power supply points connected with the breakpoints is more than 1 and the obtained number of the breakpoints is equal to 1, calculating the power failure range of the breakpoints according to the dendrogram taking the corresponding power supply points as root nodes, and calculating the intersection of all the power failure ranges of the breakpoints to obtain the total power failure range;
and if the number of the power supply points connected with the breakpoints is more than 1 and the number of the obtained breakpoints is more than 1, respectively calculating the power failure range of each breakpoint, and then calculating the intersection of all the power failure ranges of each breakpoint to obtain the total power failure range.
According to the breakpoint condition analysis distribution network power failure scope of difference, obtain more accurate power failure scope, the follow-up management and control of being convenient for.
In the specific embodiment, the single line power failure range is calculated, and the single line power failure includes the following conditions:
(1.1) supplying power to a switch in the single-breakpoint station: setting a root node of the tree graph as an in-station switch to generate the tree graph, wherein the power failure range is all nodes connected below the breakpoint, for example: the node 1 is used as a power supply point, the node 3 is a breakpoint, and all nodes in the dashed line frame are power failure ranges, as shown in fig. 5;
(1.2) the single break point is supplied by the interconnection switch through other lines in series: setting the root node of the tree-shaped graph as a communication switch to generate the tree-shaped graph, wherein the power failure range is all nodes connected below the breakpoint;
(1.3) supplying power to the switch in the multi-breakpoint station: setting a root node of the tree-like graph as an in-station switch to generate the tree-like graph, respectively solving power failure ranges for all breakpoints according to the conditions of single breakpoints, and then solving a union set of results to obtain a total power failure range;
(1.4) the multi-break point is powered by a plurality of power supply points: and generating a tree graph by taking each power supply point as a root node, calculating power failure ranges respectively according to power supply of switches in the multi-breakpoint station, and solving intersection of the results to obtain a total power failure range.
Calculating the power failure range of the multi-line, wherein the power failure of the multi-line comprises the following conditions:
(2.1) two lines which are not connected with each other are powered off: respectively calculating the power failure range of each line according to the step (1.1), and then solving and combining the results to obtain the total power failure range;
(2.2) power failure of a plurality of lines which are not connected with each other: and (4) calculating the power failure range of each line according to the step (1.1), and then summing the results to obtain the total power failure range.
Example 2
Embodiment 2 provides a method for calculating the reliability of a power distribution network, which calculates the reliability of the power distribution network according to the power failure range of the power distribution network obtained by the above calculation method.
The specific embodiment, as shown in fig. 6, includes the following steps:
f1, acquiring power failure starting time and power failure ending time in a power failure range of the power distribution network and all power distribution transformers in the power failure range of the power distribution network;
f2, calculating the power failure duration according to the power failure starting time and the power failure ending time;
f3, inquiring user information of power supply of each distribution transformer through an account book, and accumulating the number of users of each distribution transformer to obtain the number of power failure users;
f4, calculating the number of the households in power failure according to the number of the power failure users and the power failure duration;
and F5, calculating the reliability of the power distribution network according to the number of the households when power is required to be supplied and the number of the households when power is cut off.
Based on the analysis of the topological graph of the power distribution network, users involved in each power failure can be accurately calculated, and the calculation precision of the reliability of the power distribution network is improved.
In a specific embodiment, the calculation formula of the reliability of the power distribution network is as follows:
wherein R represents the reliability of the power distribution network; n represents the total number of users of the power distribution network; t represents the time length of the power distribution network for each user to supply power;
indicating the number of households in the event of a power failure, t n And the power failure duration of the nth power failure user is shown.
Generally, the total number of users is fixed, the annual power supply time is 8760 hours, and the power failure time is determined because the power failure starting time and the power failure ending time are easy to determine; in order to calculate the number of the users in power failure, the number of the users in power failure in each power failure in one year needs to be calculated respectively, the power failure users are determined according to the power failure range of the power distribution network in each power failure, the power failure duration of the power failure users is accumulated, the number of the users in power failure in each time is obtained, and the total number of the users in power failure is obtained by accumulating the number of the users in power failure in each time in the year.
The power distribution network power failure range is accurately positioned to the users involved in each power failure, and the number of the users in each power failure is accurately calculated, so that the accuracy of the reliability calculation of the power distribution network is improved.
In the specific embodiment, after the power failure range is obtained through calculation, the distribution transformers in the power failure range are screened out, the user information under each transformer is respectively inquired through the ledger, and the short messages are sent in groups through the contact way in the user information, so that the power failure information is accurately issued.
Example 3
Embodiment 3 provides a computer-readable storage medium storing a computer program for causing a computer to execute the method for calculating the power outage range of the power distribution network or the method for calculating the reliability of the power distribution network.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A method for calculating the power failure range of a power distribution network is characterized by comprising the following steps:
acquiring equipment information, terminal information and node information, and constructing a topological graph of the power distribution network;
analyzing the topological graph of the power distribution network to obtain a multidirectional linked list;
selecting any node in the multi-directional linked list as a power supply point, and analyzing the multi-directional linked list through a tail recursion algorithm to obtain a tree diagram taking the power supply point as a root node;
and calculating the power failure range of the power distribution network according to the tree diagram.
2. The method for calculating the power failure range of the power distribution network according to claim 1, wherein the specific steps for constructing the topological graph of the power distribution network are as follows:
reading the device ID of the device in the device information, the node ID of the node in the node information, the terminal ID of the terminal in the terminal information, and the node ID and the device ID corresponding to the terminal;
and connecting the terminal with the corresponding node and equipment according to the node ID and the equipment ID corresponding to the terminal in the terminal information to obtain the topological graph of the power distribution network.
3. The method as claimed in claim 2, wherein the device includes one or more terminals, and each terminal corresponds to a terminal ID.
4. The method for calculating the blackout range of the power distribution network according to claim 3, wherein the step of analyzing the topological graph of the power distribution network comprises the following steps: and connecting the terminals with the same equipment ID to obtain the multidirectional linked list.
5. The method for calculating the power outage range of the power distribution network according to claim 1, wherein before analyzing the topology map of the power distribution network to obtain the multidirectional linked list, whether the topology map of the power distribution network is normal needs to be analyzed, and the analyzing steps are as follows:
storing all nodes, terminals and equipment in the distribution network topological graph in a data list;
selecting any node as an initial node, finding out nodes, terminals and equipment associated with the initial node from a data list according to the topological graph of the power distribution network, and generating a multidirectional linked list;
erasing the nodes, the terminals and the equipment which generate the multidirectional linked list from a data list;
judging whether residual nodes, terminals or equipment exist in the data list after the nodes, the terminals and the equipment are erased;
if the residual nodes, terminals or equipment exist, the topological graph of the power distribution network is abnormal, and the residual nodes, terminals and equipment are output;
and if no residual node, terminal or equipment exists, the distribution network topological graph is normal.
6. The method for calculating the power failure range of the power distribution network according to claim 1, wherein the specific steps of calculating the power failure range of the power distribution network are as follows:
acquiring node information of breakpoints, and judging whether the number of power supply points connected with the breakpoints is greater than 1 or not and whether the number of the acquired breakpoints is greater than 1 or not;
if the number of the power supply points connected with the breakpoints is equal to 1 and the number of the obtained breakpoints is equal to 1, all nodes connected below the breakpoints are power failure ranges according to the tree diagram;
if the number of power supply points connected with the breakpoints is equal to 1 and the obtained number of the breakpoints is more than 1, respectively calculating the power failure range of each breakpoint, and then calculating the union set of the power failure ranges of the breakpoints to obtain the total power failure range;
if the number of the power supply points connected with the breakpoints is more than 1 and the obtained number of the breakpoints is equal to 1, calculating the power failure range of the breakpoints according to the dendrogram taking the corresponding power supply points as root nodes, and calculating the intersection of all the power failure ranges of the breakpoints to obtain the total power failure range;
if the number of the power supply points connected with the breakpoints is larger than 1, and the number of the obtained breakpoints is larger than 1, calculating the power failure range of each breakpoint respectively, and then calculating the intersection of all the power failure ranges of each breakpoint to obtain the total power failure range.
7. A method for calculating the reliability of a power distribution network is characterized in that the reliability of the power distribution network is calculated according to the power failure range of the power distribution network obtained by the calculation method of any one of claims 1 to 6.
8. The method for calculating the reliability of the power distribution network according to claim 7, comprising the following steps:
acquiring power failure starting time and power failure ending time in a power failure range of a power distribution network and all distribution transformers in the power failure range of the power distribution network;
calculating the power failure duration according to the power failure starting time and the power failure ending time;
inquiring user information of power supply of each distribution transformer through an account book, and accumulating the number of users of each distribution transformer to obtain the number of power failure users;
calculating the number of households in power failure according to the number of the power failure users and the power failure duration;
and calculating the reliability of the power distribution network according to the number of the households in power supply and the number of the households in power failure.
9. The method for calculating the reliability of the power distribution network according to claim 8, wherein the calculation formula of the reliability of the power distribution network is as follows:
wherein R represents the reliability of the power distribution network; n represents the total number of users of the power distribution network; t represents the time length of the power distribution network for each user to supply power;
indicating the number of households in the event of a power failure, t n And the power failure duration of the nth power failure user is shown.
10. A computer-readable storage medium, characterized in that it stores a computer program that causes a computer to execute the method for calculating the blackout area of a power distribution network according to any one of claims 1 to 6, or the method for calculating the reliability of a power distribution network according to any one of claims 7 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211475899.3A CN115860369A (en) | 2022-11-23 | 2022-11-23 | Power distribution network power failure range calculation method, reliability calculation method and medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211475899.3A CN115860369A (en) | 2022-11-23 | 2022-11-23 | Power distribution network power failure range calculation method, reliability calculation method and medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115860369A true CN115860369A (en) | 2023-03-28 |
Family
ID=85665467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211475899.3A Pending CN115860369A (en) | 2022-11-23 | 2022-11-23 | Power distribution network power failure range calculation method, reliability calculation method and medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115860369A (en) |
-
2022
- 2022-11-23 CN CN202211475899.3A patent/CN115860369A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101179195B (en) | Power distribution network planning scheme assistant decision system | |
| CN107609725B (en) | Power transmission network risk assessment method considering transformer substation influence | |
| CN107292769B (en) | Substation reconstruction and extension configuration consistency comparison and verification method based on RCD | |
| CN116500385B (en) | Power transmission network monitoring and checking method, device, equipment and medium | |
| CN114355090A (en) | Line loss analysis method, device and equipment based on power topology information acquisition system | |
| CN112366690A (en) | Low-voltage transformer area transverse node relation identification method based on strong synchronous voltage feature matching | |
| CN109586281B (en) | Power distribution network reliability assessment method, device and medium based on node optimization number | |
| CN115842342A (en) | Topology identification method and device for distributed power distribution network | |
| CN113791306A (en) | Power distribution network fault processing system and method based on data acquisition | |
| CN112541011A (en) | Power grid terminal fault processing method and device based on RPA and AI | |
| CN110021933B (en) | Power information system control function reliability assessment method considering component faults | |
| CN115730749B (en) | Power dispatching risk early warning method and device based on fusion power data | |
| CN106875026B (en) | Hybrid planning method for medium-and-long-term power transmission network expansion planning in power market environment | |
| CN116845966A (en) | New energy aggregation calculation analysis method and system based on topology power supply path generation | |
| CN109165837B (en) | Power protection and supply area grading operation risk analysis method based on main distribution integration | |
| CN115860369A (en) | Power distribution network power failure range calculation method, reliability calculation method and medium | |
| CN114722971A (en) | Low-voltage transformer area phase identification method | |
| CN112255504B (en) | Power distribution network line fault judgment method, system and storage medium | |
| CN114757496A (en) | Method and device for evaluating power supply reliability of power distribution network | |
| CN114298188A (en) | Intelligent analysis method and system for power equipment faults | |
| changhua | Distribution network fault location based on rough set and data fusion | |
| CN113077240A (en) | Automatic checking method, device and equipment of electric energy data and storage medium | |
| CN112529340A (en) | Power distribution operation management system | |
| Zhou et al. | Reliability Centered Weak Point Identification of Distribution Network | |
| CN116109440A (en) | Automatic generation method and device for power outage overhaul mode adjustment scheme based on graph search |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |