CN110795837B - Automatic distribution network ticket application one-time mode repeating operation method based on topological linkage - Google Patents
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Abstract
The invention discloses a distribution network ticket application one-time mode automatic repeat operation method based on topological linkage, which comprises the following steps of: the method comprises the steps of constructing basic data of the power distribution network, constructing a power distribution network contact topology model, extracting distribution network power failure planning equipment information, giving a distribution network one-time mode reply scheme and generating reply opinions based on safety constraints. The automatic checking and reply suggestion automatic generation functions of the one-time examination and approval of the distribution network application tickets are realized, the defect that the one-time examination and approval work of the distribution network application tickets cannot be intelligently replied is overcome, the work efficiency of the reply of the distribution network application tickets is improved, and technical support is provided for improving the safe and stable operation level of the distribution network.
Description
Technical Field
The invention relates to the technical field of power grid operation and control, in particular to a distribution network application ticket one-time mode automatic repeat operation method based on topological linkage.
Background
Compared with the major network scale, the power distribution network scale in China is larger in size, and the overall automation level of the power distribution network is lagged. At present, the examination and approval of the primary mode of the power distribution network mainly depends on checking a main power supply through a paper strip mode manually, and then the primary mode of the power distribution network is arranged during equipment maintenance, the intelligentization level of the working mode is low, multiple strips are required to be browsed through one work often, the main factor of the safe operation mode of the power distribution network is judged to be thermally stable, the short-circuit current check mainly depends on manual experience, the blind adjustment problem of the power distribution network generally exists, the new energy is connected into the power distribution network on a large scale along with the year-by-year expansion of the power distribution network, the potential safety hazard of examination and approval of the primary mode of the equipment maintenance of the power distribution network is large, and an automatic examination and approval mode needs to be built to solve the blind examination and approval problem.
Disclosure of Invention
The invention aims to provide a distribution network application ticket one-time mode automatic repeat operation method based on topological linkage, which is characterized in that the construction investment of a distribution network is increased year by year in a power system, the distribution network automation system is built and used in a step trial manner in the whole country, the distribution network bar chart electronization, a distribution network power supply service command platform and other systems are promoted to be promoted and used first, and the work of distribution network equipment and graphic modeling is promoted, so that the work mode developed by the conventional paper bar chart is gradually eliminated. On the basis, a distribution network application ticket one-time mode automatic approval operation method based on topology linkage is provided, thermal stability and short-circuit current checking is automatically carried out, one-time mode approval opinions are automatically given, and the level of distribution network one-time mode approval is comprehensively improved.
The invention is realized by the following technical scheme:
a distribution network ticket application one-time mode automatic repeat operation method based on topological linkage comprises the following steps:
the method comprises the following steps: the method comprises the steps of obtaining an account, a topological node relation and equipment state data of distribution network equipment from a distribution network automation system or a distribution network scheduling graph model system, wherein the distribution network equipment comprises single equipment and composite equipment, carrying out standard proofreading on equipment names by taking the equipment as a unit, and fitting the topological relation and running state data with the equipment account to construct distribution network basic data.
Step two: the method comprises the steps of taking distribution network lines as a unit, converting equipment-to-equipment topological joint information into an equipment-to-equipment adjacency linked list storage relation in a computer on the basis of a computer theory algorithm, and constructing a distribution network contact topological model by taking composite equipment as a unit.
Step three: acquiring distribution network power failure plan information including power failure equipment, work content, planned start time and planned completion time from a power dispatching operation management system, carrying out fuzzy matching on names of the power failure equipment, then carrying out proofreading, and extracting specific power failure equipment information from a power failure plan.
Step four: and (3) putting the equipment state data into an interconnection topology model, solving a connected subgraph based on a computer theory traversal algorithm, dividing the distribution network connection subgraph into a plurality of connected subgraphs, taking the condition that the subgraph at least comprises a starting bus or an outgoing switch in a distribution network line as a power supply point, and reserving the connected subgraph, otherwise, setting all the equipment in the subgraph to be in a shutdown state.
And (3) putting the power failure equipment in the power distribution network connection topology model constructed in the step three into the topology model, setting the power failure equipment in the power distribution network connection topology model to be in a shutdown state, then solving a connected subgraph, judging whether equipment in the subgraph belongs to a ring main unit or a switching station or not when a new connected subgraph appears, setting the equipment in the shutdown state in other power supply equipment of the ring main unit or the switching station to be in an operating state one by one when the equipment exists, then solving the connected subgraph one by one, recording all equipment in the connected subgraph of each equipment which is operated in a shutdown state and the equipment under the condition that the new connected subgraph does not appear any more, wherein one equipment state change is a batch-repeating scheme, and when the new connected subgraph does not exist, directly giving the new connected subgraph which is the power failure area.
Further, the method also comprises the following step five: checking the batch and repeat schemes in the fourth step through two constraint indexes of thermal stability and short-circuit current, performing load drop statistics on all devices in a connected subgraph recorded in each scheme and distribution network outlet switch statistics in the connected subgraph by selecting the maximum historical load distribution condition, and automatically counting whether the power grid is required to be thermally stable or not according to switch quota requirements and load drop.
And meanwhile, constructing a power grid simulation model by combining specific parameter information of equipment based on the subgraph connection topological relation, directly calculating short-circuit current based on the existing short-circuit current calculation tools PSSE and ETAP of the power system, judging whether the operation mode of the power grid of the repeating scheme meets the requirement of the short-circuit current or not, if one of the thermal stability and the short-circuit current does not meet the requirement, abandoning the scheme, otherwise, scoring the two indexes, and taking the highest score as the optimal repeating suggestion.
Further, in the fifth step, a scoring formula for scoring the two indexes is as follows:
100*(1-P lower hanger /P Quota )*0.5+100*(1-A Lower hanger /A Quota )*0.5
Wherein the total amount of the components satisfies 100 points, each accounts for 50 points, P Lower hanger 、A Lower hanger For total load and simulated short-circuit current, P, in this region Quota 、A Quota The load and short circuit current limit values for the power supply switch.
Further, the network distribution equipment comprises:
single equipment; the single device comprises a distribution network line, a pole-mounted switch, a fuse, a distribution transformer, a knife switch and a bus.
Compounding equipment; the compound device comprises a ring main unit, an opening and closing station, a power distribution station and a branch box.
Wherein column switch, fuse, plug-in strip contain 2 topology nodes, and bus bar, distribution transformer contain 1 topology node, and looped netowrk cabinet, switching station, power distribution station comprise bus bar, switch.
Furthermore, the power distribution network dispatching graph-model system is adopted for managing distribution network dispatching operation and distribution network equipment abnormal operation, and the remote signaling function and the power grid topology management function are achieved, wherein remote signaling data are obtained from a distribution network dispatching operation management process, distribution network outlet switch remote signaling values are directly obtained from a main network dispatching automation system, and remote measuring data are obtained from a power user power utilization information acquisition system.
Further, in the second step, it is determined whether there is a model repetition according to the same ring main unit devices existing in the distribution network line to which the network device belongs:
when the connection is repeated, the bus part connected to the compound equipment in the line is reserved by taking the distribution network line as a unit, other contact equipment belonging to the ring main unit is deleted, then one bus in each line is reserved, the other bus is deleted, other bus-connected equipment is uniformly modified into reserved bus equipment, and topological contact between the distribution network lines is completed.
When the duplication does not exist, the composite device and the single device check the connectivity in the whole distribution network contact topology so as to ensure the accuracy of constructing a distribution network contact topology model based on the computational graph theory.
The automatic distribution network application ticket one-time mode reply system based on topology linkage comprises a distribution network basic data module, a distribution network contact topology module, a distribution network power failure planning equipment information extraction module, a distribution network one-time mode reply scheme calculation module and a reply suggestion generation module.
Further, the distribution network basic data module acquires machine accounts, topological node relationships and equipment state data of distribution network equipment from a distribution network automation system or a distribution network dispatching graph model system, the distribution network connection topology module takes distribution network lines as a unit, equipment-to-equipment topological node information is converted into equipment-to-equipment adjacency linked list storage relationships in a computer on the basis of a computer theory algorithm, composite equipment is taken as a unit, whether model duplication exists or not is judged according to the fact that identical ring main unit equipment exists in the distribution network lines, the distribution network power failure plan equipment information extraction module acquires distribution network power failure plan information from a power dispatching operation management system, the distribution network power failure plan information comprises power failure equipment, work content, planned start time and planned completion time, fuzzy matching is carried out on names of the power failure equipment, then proofreading is carried out, and specific power failure equipment information is extracted from a power failure plan.
Further, the distribution network one-time mode recovery scheme calculation module is used for placing equipment state data into a contact topological model, solving a connected subgraph based on a computer theory traversal algorithm, dividing the distribution network contact graph into a plurality of connected subgraphs, using a condition that the subgraph at least comprises a starting bus or an outgoing switch in a distribution network line as a power supply point, reserving the connected subgraph, otherwise, setting all equipment in the subgraph to be in an outage state, placing outage equipment in the distribution network contact topological model constructed in a distribution network outage plan equipment information extraction module into the topological model, setting the outage equipment to be in the outage state, solving the connected subgraph, judging whether the equipment in the subgraph belongs to a ring main unit or an on-off station when a new connected subgraph appears, setting outage state equipment in other power supply equipment of the ring main unit or the on-off station one by one when the new connected subgraph appears, and recording all equipment connected by each equipment in the outage state and the equipment when the new connected subgraph does not appear any more by solving the connected subgraph, wherein one equipment state change is a recovery scheme, and when the new connected subgraph does not exist, the recovery scheme is a recovery scheme.
Furthermore, the reply opinion generation module checks the reply scheme in the distribution network one-time reply scheme calculation module through two constraint indexes of thermal stability and short-circuit current, performs hanging load statistics on all devices in a connected subgraph recorded in each scheme and distribution network outlet switch statistics in the connected subgraph by selecting the maximum historical load distribution condition, automatically counts whether the power grid is in a thermal stability condition or not through switch quota requirements and hanging load capacity, constructs a power grid simulation model by combining specific parameter information of the devices on the basis of the connected topological relation of the subgraph, directly calculates the short-circuit current on the basis of the existing short-circuit current calculation tools PSSE and ETAP of the power system, judges whether the operation mode of the power grid of the reply scheme meets the requirement of the short-circuit current or not, if one of the thermal stability and the short-circuit current is not met, abandons the scheme, otherwise scores the two indexes, and takes the highest score as the optimal reply opinion.
Compared with the prior art, the invention has the beneficial effects that:
the invention discloses a distribution network application ticket one-time mode automatic approval operation method based on topological linkage, which is compared with the prior art, realizes the automatic checking of the distribution network application ticket one-time mode approval and the automatic generation function of approval opinions, overcomes the defect that the distribution network application ticket one-time mode approval work cannot be intelligently approved, improves the work efficiency of the distribution network application ticket approval, and provides technical support for improving the safe and stable operation level of a distribution network.
Drawings
FIG. 1 is a flow chart of a distribution network ticket application one-time mode automatic repeat request operation method based on topology linkage;
FIG. 2 is a flow chart of a power distribution network contact topology model construction;
fig. 3 is a flow chart of a distribution network one-time mode replication scheme generation.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to fig. 3, fig. 1 is a flowchart of a distribution network ticket application one-time automatic batch operation method based on topology linkage according to the present invention; FIG. 2 is a flow chart of a power distribution network contact topology model construction; fig. 3 is a flow chart of a distribution network one-time mode replication scheme generation.
A distribution network ticket application one-time mode automatic repeat operation method based on topology linkage comprises the following steps:
the method comprises the following steps: and constructing basic data of the power distribution network.
The machine account, the topological node relation and the equipment state data of the distribution network equipment are obtained from the distribution network automation system or the distribution network scheduling graph model system, the distribution network equipment comprises single equipment and composite equipment, and the distribution network equipment comprises:
single equipment: distribution network line, pole top switch, fuse, distribution transformer, knife switch and generating line.
The compound device: looped netowrk cabinet, switching station, power distribution station and branch box.
Wherein column switch, fuse, plug-in strip contain 2 topology nodes, and bus, distribution transformer contain 1 topology node, and looped netowrk cabinet, switching station, power distribution station comprise bus, switch.
And (3) carrying out standard proofreading on equipment names according to the universal data model naming standard (DL/T1171-2012) of the power grid equipment in China power industry standard by taking the equipment as a unit, and fitting the topological relation and the running state data with an equipment ledger to construct basic data of the power distribution network.
The power distribution network dispatching graph model system is a practical system which is built before a power distribution network automatic system is completely built, is used for distribution network dispatching operation management and distribution network equipment abnormal operation management, and has a remote signaling function and a power grid topology management function, wherein remote signaling data are updated in a manual setting mode according to a distribution network dispatching operation management flow, only remote signaling values of a distribution network outgoing switch are directly obtained from a main network dispatching automatic system, and telemetering data are obtained from a power user power consumption information acquisition system.
Step two: and constructing a power distribution network contact topology model.
On the basis of the first step, the topological joint information from equipment to equipment is converted into an equipment-to-equipment adjacency linked list storage relation in a computer on the basis of a distribution network line as a unit based on a computer theory algorithm, and whether model repetition exists is judged by taking a composite device as a unit according to the fact that the same ring main unit equipment exists in the distribution network line.
Judging whether the model repetition exists according to the fact that the same ring main unit equipment exists in the distribution network line:
when the connection is repeated, the bus part connected to the compound equipment in the line is reserved by taking the distribution network line as a unit, other contact equipment belonging to the ring main unit is deleted, then one bus in each line is reserved, the other bus is deleted, other bus-connected equipment is uniformly modified into reserved bus equipment, and topological contact between the distribution network lines is completed.
When the repetition does not exist, the composite equipment and the single equipment check the connectivity in the whole distribution network contact topology so as to ensure the accuracy of constructing a distribution network contact topology model based on the computational graph theory.
Step three: and extracting distribution network power failure plan equipment information.
Acquiring distribution network power failure plan information including power failure equipment, work content, planned start time and planned completion time from a power dispatching operation management system, carrying out fuzzy matching on names of the power failure equipment according to power grid equipment general data model naming standards, and extracting specific power failure equipment information from a power failure plan by combining manual proofreading.
Step four: and giving a distribution network one-time mode replication scheme.
And (4) based on the first step and the second step, putting the equipment state data into a contact topology model, solving a connected subgraph based on a computer theory traversal algorithm, dividing the distribution network contact graph into a plurality of connected subgraphs, taking a condition that the subgraph at least comprises an initial bus or an outgoing switch in a distribution network line as a power supply point, reserving the connected subgraph, and otherwise, setting all the equipment in the subgraph to be in a shutdown state.
And (3) putting the power failure equipment in the power distribution network connection topology model constructed in the step three into the topology model, setting the power failure equipment in the power distribution network connection topology model to be in a shutdown state, then solving a connected subgraph, judging whether equipment in the subgraph belongs to a ring main unit or a switching station or not when a new connected subgraph appears, setting the equipment in the shutdown state in other power supply equipment of the ring main unit or the switching station to be in an operating state one by one when the equipment exists, then solving the connected subgraph one by one, recording all equipment in the connected subgraph of each equipment which is operated in a shutdown state and the equipment under the condition that the new connected subgraph does not appear any more, wherein one equipment state change is a batch-repeating scheme, and when the new connected subgraph does not exist, directly giving the new connected subgraph which is the power failure area.
Step five: and generating the reply opinions based on the safety constraint.
Checking the batch and repeat schemes in the fourth step through two constraint indexes of thermal stability and short-circuit current, performing load drop statistics on all devices in a connected subgraph recorded in each scheme and distribution network outlet switch statistics in the connected subgraph by selecting the maximum historical load distribution condition, and automatically counting whether the power grid is required to be thermally stable or not according to switch quota requirements and load drop.
And meanwhile, constructing a power grid simulation model by combining specific parameter information of equipment based on the subgraph connection topological relation, directly calculating short-circuit current based on the existing short-circuit current calculation tools PSSE, ETAP and the like of the power system, judging whether the power grid operation mode of the batch replication scheme meets the requirement of the short-circuit current or not, if one of the thermal stability and the short-circuit current does not meet the requirement, abandoning the scheme, otherwise, scoring the two indexes, and taking the highest score as the optimal batch replication suggestion.
The scoring formula for scoring the two indexes is as follows:
100*(1-P lower hanger /P Quota )*0.5+100*(1-A Lower hanger /A Quota )*0.5
Wherein the total amount of the components satisfies 100 points, each accounts for 50 points, P Lower hanger 、A Lower hanger For total load and simulated short-circuit current in this region, P Quota 、A Quota The load and short-circuit current limit values for the power supply switch.
The invention also provides a distribution network application ticket one-time mode automatic reply system based on topology linkage, which comprises a distribution network basic data module, a distribution network contact topology module, a distribution network power failure planning equipment information extraction module, a distribution network one-time mode reply scheme calculation module and a reply suggestion generation module.
The distribution network basic data module acquires the account, the topological node relation and the equipment state data of the distribution network equipment from the distribution network automation system or the distribution network scheduling graph model system, then the distribution network contact topology module takes a distribution network line as a unit, equipment-to-equipment topological node information is converted into an equipment-to-equipment adjacent linked list storage relation in a computer based on a computer theory algorithm, and whether model repetition exists or not is judged according to the fact that the same ring main unit equipment exists in the distribution network line with a composite device as a unit.
The distribution network power failure planning equipment information extraction module is used for acquiring distribution network power failure planning information from the power dispatching operation management system, wherein the distribution network power failure planning information comprises power failure equipment, work content, planned start time and planned completion time, fuzzy matching is carried out on names of the power failure equipment, then proofreading is carried out, and specific power failure equipment information is extracted from a power failure plan.
The distribution network one-time mode batch-replication scheme calculation module is used for putting equipment state data into an interconnection topology model, solving a connected subgraph based on a computer theory traversal algorithm, dividing the distribution network connected subgraph into a plurality of connected subgraphs, taking the condition that the subgraph at least comprises a starting bus or an outgoing switch in a distribution network line as a power supply point, and keeping the connected subgraph, otherwise, all the equipment in the subgraph are in a shutdown state.
The method comprises the steps of setting power failure equipment in a power distribution network connection topological model built in a distribution network power failure planning equipment information extraction module into a topological model, setting the power failure equipment in the topological model to be in a power failure state, solving a connection subgraph, judging whether equipment in the subgraph belongs to a ring main unit or a switching station or not when a new connection subgraph appears, setting the equipment in the outage state in other power supply equipment of the ring main unit or the switching station to be in an operation state one by one when the equipment in the outage state exists, solving the connection subgraph one by one, recording each equipment in the outage operation and all equipment in the connection subgraph where the equipment is located under the condition that the new connection subgraph does not appear any more, wherein one equipment state change is a batch-repeating scheme, and when the new connection subgraph does not appear, the new connection subgraph is directly given to be a power failure area.
The reply opinion generation module checks reply schemes in the distribution network one-time mode reply scheme calculation module through two constraint indexes of thermal stability and short-circuit current, performs hanging-down load statistics on all devices in a connected subgraph recorded in each scheme and distribution network outlet switch statistics in the connected subgraph by selecting the maximum historical load distribution condition, automatically counts whether the power grid is in a thermal stability requirement or not through switch quota requirements and hanging-down load capacity, constructs a power grid simulation model based on the topological relation of connection of the subgraph and by combining device specific parameter information, directly calculates short-circuit current based on existing short-circuit current calculation tools PSSE and ETAP of a power system, judges whether the reply scheme power grid operation mode meets the short-circuit current requirement or not, if one of the thermal stability and the short-circuit current does not meet the requirement, abandons the scheme, otherwise, scores the two indexes, and takes the highest score as the optimal reply opinion.
Compared with the prior art, the invention has the beneficial effects that:
the invention discloses a distribution network application ticket one-time mode automatic approval operation method based on topological linkage, which is compared with the prior art, realizes the automatic checking of the distribution network application ticket one-time mode approval and the automatic generation function of approval opinions, overcomes the defect that the distribution network application ticket one-time mode approval work cannot be intelligently approved, improves the work efficiency of the distribution network application ticket approval, and provides technical support for improving the safe and stable operation level of a distribution network.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A distribution network ticket application one-time mode automatic repeat operation method based on topological linkage is characterized by comprising the following steps:
the method comprises the following steps: the method comprises the steps that the machine account, the topological node relation and the equipment state data of distribution network equipment are obtained from a distribution network automation system or a distribution network scheduling graph model system, the distribution network equipment comprises single equipment and composite equipment, equipment naming is subjected to standard correction by taking the equipment as a unit, and then the topological relation and operation state data are fitted with the equipment machine account to construct distribution network basic data;
step two: taking distribution network lines as a unit, converting equipment-to-equipment topological joint information into an equipment-to-equipment adjacency linked list storage relation in a computer based on a computer theory algorithm, and constructing a distribution network contact topological model by taking composite equipment as a unit;
step three: acquiring distribution network power failure plan information including power failure equipment, work content, planned start time and planned completion time from a power dispatching operation management system, carrying out fuzzy matching on names of the power failure equipment, then carrying out proofreading, and extracting specific power failure equipment information from a power failure plan;
step four: putting the equipment state data into an interconnection topology model, solving a connection subgraph based on a computer theory traversal algorithm, dividing a distribution network connection subgraph into a plurality of connection subgraphs, taking a condition that the subgraph at least comprises a starting bus or an outgoing switch in a distribution network line as a power supply point, and reserving the connection subgraph, otherwise, setting all the equipment in the subgraph to be in a shutdown state;
putting the power failure equipment in the power distribution network connection topology model constructed in the third step into the topology model, setting the power failure equipment in a shutdown state, solving a connected subgraph, judging whether equipment in the subgraph belongs to a ring main unit or a switching station or not when a new connected subgraph appears, setting the equipment in the shutdown state in other power supply equipment of the ring main unit or the switching station in an operating state one by one when the equipment exists, solving the connected subgraph one by one, recording all equipment in the connected subgraph of each equipment which is operated in a shutdown state and the equipment under the condition that the new connected subgraph does not appear any more, wherein one equipment state change is a batch-repeating scheme, and when the equipment does not exist, directly giving the new connected subgraph which is a power failure area;
step five: checking the compound schemes in the fourth step through two constraint indexes of thermal stability and short-circuit current, performing down-hanging load statistics on all devices in a connected subgraph recorded in each scheme and distribution network outlet switch statistics in the connected subgraph by selecting the maximum historical load distribution condition, and automatically performing statistics on whether the requirements of the switch quota and the down-hanging load meet the thermal stability requirements of a power grid or not;
and meanwhile, constructing a power grid simulation model by combining specific parameter information of equipment based on the subgraph connection topological relation, directly calculating short-circuit current based on the existing short-circuit current calculation tools PSSE and ETAP of the power system, judging whether the operation mode of the power grid of the repeating scheme meets the requirement of the short-circuit current or not, if one of the thermal stability and the short-circuit current does not meet the requirement, abandoning the scheme, otherwise, scoring the two indexes, and taking the highest score as the optimal repeating suggestion.
2. The distribution network ticket application one-time mode automatic repeat operation method based on topological linkage as claimed in claim 1, wherein in step five, a scoring formula for scoring two indexes is as follows:
100*(1-P lower hanger /P Quota )*0.5+100*(1-A Lower hanger /A Quota )*0.5
Wherein the total amount of the components satisfies 100 points, each accounts for 50 points, P Lower hanger 、A Lower hanger For total load and simulated short-circuit current, P, in this region Quota 、A Quota The load and short circuit current limit values for the power supply switch.
3. The topological linkage based distribution network ticket application one-time mode automatic repeat operation method according to claim 1, wherein the distribution network equipment comprises:
single equipment; the single equipment comprises a distribution network line, a pole-mounted switch, a fuse, a distribution transformer, a knife switch and a bus;
compounding equipment; the compound equipment comprises a ring main unit, an opening and closing station, a power distribution station and a branch box;
wherein column switch, fuse, plug-in strip contain 2 topology nodes, and bus bar, distribution transformer contain 1 topology node, and looped netowrk cabinet, switching station, power distribution station comprise bus bar, switch.
4. The distribution network application ticket one-time mode automatic batch operation method based on topology linkage as claimed in claim 3, characterized in that a power distribution network scheduling graph-model system is adopted for distribution network scheduling operation management and distribution network equipment abnormal operation management, and the method has a remote signaling function and a power network topology management function, wherein remote signaling data are obtained from a main network scheduling automation system directly according to a distribution network scheduling operation management process, distribution network outlet switch remote signaling values are obtained from a power consumer electricity consumption information acquisition system directly, and remote measurement data are obtained from a power consumer electricity consumption information acquisition system.
5. The distribution network ticket application one-time mode automatic batch operation method based on topological linkage as claimed in claim 1, wherein in step two, it is determined whether model repetition exists according to the same ring main unit devices existing in the distribution network lines to which the network is connected:
when the repetition exists, the bus part connected to the compound equipment in the line is reserved by taking the distribution network line as a unit, other contact equipment belonging to the ring main unit is deleted, then one bus in each line is reserved, the other bus-connected equipment is deleted, the other bus-connected equipment is uniformly modified into reserved bus equipment, and the topological contact between the distribution network lines is completed;
when the duplication does not exist, the composite device and the single device check the connectivity in the whole distribution network contact topology so as to ensure the accuracy of constructing a distribution network contact topology model based on the computational graph theory.
6. The automatic distribution network application ticket one-time mode reply system based on topology linkage is characterized by comprising a distribution network basic data module, a distribution network contact topology module, a distribution network power failure planning equipment information extraction module, a distribution network one-time mode reply scheme calculation module and a reply suggestion generation module;
the distribution network power failure planning equipment information extraction module is used for acquiring distribution network power failure planning information from a power dispatching operation management system, wherein the distribution network power failure planning equipment information comprises power failure equipment, work content, planned start time and planned completion time, fuzzy matching is carried out on names of the power failure equipment, then the power failure equipment is corrected, and specific power failure equipment information is extracted from the power failure plan;
the distribution network one-time mode recovery scheme calculation module is used for putting equipment state data into an interconnection topological model, solving a connection subgraph based on a computer theory traversal algorithm, dividing the distribution network connection subgraph into a plurality of connection subgraphs, taking a starting bus or an outgoing switch in a distribution network line as a power supply point in the subgraph, reserving the connection subgraph, otherwise, setting all equipment in the subgraph to be in an outage state, putting outage equipment in the distribution network interconnection topological model constructed in a distribution network outage plan equipment information extraction module into the topological model again, setting the outage equipment to be in the outage state, solving the connection subgraph again, judging whether the equipment in the subgraph belongs to a ring main unit or an opening and closing station when a new connection subgraph appears, setting outage state equipment in other power supply equipment of the ring main unit or the opening and closing station to be in an operation state one by one, solving the connection subgraph one by one and taking the new connection subgraph to no longer appear as a condition, and recording all equipment communicated with each equipment in the outage operation and the equipment, wherein one equipment state change is a recovery scheme, and when the new connection subgraph does not exist, namely a power outage area;
the reply opinion generation module checks reply schemes in the distribution network one-time mode reply scheme calculation module through two constraint indexes of thermal stability and short-circuit current, performs hanging-down load statistics on all devices in a connected subgraph recorded in each scheme and distribution network outlet switch statistics in the connected subgraph by selecting the maximum historical load distribution condition, automatically counts whether the power grid is in a thermal stability requirement or not through switch quota requirements and hanging-down load capacity, constructs a power grid simulation model based on the topological relation of connection of the subgraph and by combining device specific parameter information, directly calculates short-circuit current based on existing short-circuit current calculation tools PSSE and ETAP of a power system, judges whether the reply scheme power grid operation mode meets the short-circuit current requirement or not, if one of the thermal stability and the short-circuit current does not meet the requirement, abandons the scheme, otherwise, scores the two indexes, and takes the highest score as the optimal reply opinion.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104636990A (en) * | 2015-02-17 | 2015-05-20 | 国家电网公司 | Method of real-time troubleshooting and early warning for shutdown reasons of power grid equipment based on N-1 principle |
| CN105184442A (en) * | 2015-07-23 | 2015-12-23 | 国网青海省电力公司西宁供电公司 | Power distribution network dispatching management statistical analysis system |
| CN108985468A (en) * | 2018-06-27 | 2018-12-11 | 中国南方电网有限责任公司 | A method of the single intelligence of association maintenance generates operation order |
| CN110266037A (en) * | 2019-05-24 | 2019-09-20 | 国网安徽省电力有限公司 | Distributed new based on topological auto-polymerization observes modeling method and system entirely |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160364648A1 (en) * | 2015-06-09 | 2016-12-15 | Florida Power And Light Company | Outage prevention in an electric power distribution grid using smart meter messaging |
-
2019
- 2019-10-21 CN CN201911001950.5A patent/CN110795837B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104636990A (en) * | 2015-02-17 | 2015-05-20 | 国家电网公司 | Method of real-time troubleshooting and early warning for shutdown reasons of power grid equipment based on N-1 principle |
| CN105184442A (en) * | 2015-07-23 | 2015-12-23 | 国网青海省电力公司西宁供电公司 | Power distribution network dispatching management statistical analysis system |
| CN108985468A (en) * | 2018-06-27 | 2018-12-11 | 中国南方电网有限责任公司 | A method of the single intelligence of association maintenance generates operation order |
| CN110266037A (en) * | 2019-05-24 | 2019-09-20 | 国网安徽省电力有限公司 | Distributed new based on topological auto-polymerization observes modeling method and system entirely |
Non-Patent Citations (1)
| Title |
|---|
| 基于数据关联技术的调度停电申请票管理系统的开发与应用;唐龙江等;《浙江电力》;20110725(第07期);全文 * |
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