CN110795837A - Automatic distribution network ticket application one-time mode repeating operation method based on topological linkage - Google Patents
Automatic distribution network ticket application one-time mode repeating operation method based on topological linkage Download PDFInfo
- Publication number
- CN110795837A CN110795837A CN201911001950.5A CN201911001950A CN110795837A CN 110795837 A CN110795837 A CN 110795837A CN 201911001950 A CN201911001950 A CN 201911001950A CN 110795837 A CN110795837 A CN 110795837A
- Authority
- CN
- China
- Prior art keywords
- distribution network
- equipment
- subgraph
- power
- power failure
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000010076 replication Effects 0.000 claims description 15
- 238000004364 calculation method Methods 0.000 claims description 14
- 238000007726 management method Methods 0.000 claims description 14
- 238000004422 calculation algorithm Methods 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims description 12
- 238000000605 extraction Methods 0.000 claims description 9
- 230000001915 proofreading effect Effects 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 6
- 230000011664 signaling Effects 0.000 claims description 6
- 238000004088 simulation Methods 0.000 claims description 6
- 230000006870 function Effects 0.000 claims description 5
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 230000009131 signaling function Effects 0.000 claims description 3
- 238000013329 compounding Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 2
- 238000005259 measurement Methods 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013499 data model Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0631—Resource planning, allocation, distributing or scheduling for enterprises or organisations
- G06Q10/06313—Resource planning in a project environment
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/06—Energy or water supply
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
Landscapes
- Business, Economics & Management (AREA)
- Human Resources & Organizations (AREA)
- Engineering & Computer Science (AREA)
- Economics (AREA)
- Strategic Management (AREA)
- Entrepreneurship & Innovation (AREA)
- Theoretical Computer Science (AREA)
- General Business, Economics & Management (AREA)
- Health & Medical Sciences (AREA)
- Marketing (AREA)
- General Physics & Mathematics (AREA)
- Tourism & Hospitality (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Primary Health Care (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Development Economics (AREA)
- Educational Administration (AREA)
- Public Health (AREA)
- Game Theory and Decision Science (AREA)
- Operations Research (AREA)
- Quality & Reliability (AREA)
- Supply And Distribution Of Alternating Current (AREA)
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 the automatic generation function of the approval opinions of the distribution network application ticket in the one-time mode are realized, the defect that the approval work of the distribution network application ticket in the one-time mode cannot be intelligently approved is overcome, the work efficiency of the approval of the distribution network application ticket is improved, and the 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.
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, the distribution network application ticket one-time mode automatic approval operation method based on topological linkage is provided, thermal stability and short-circuit current checking are 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: and taking distribution network lines as a unit, converting the equipment-to-equipment topological joint point information into an equipment-to-equipment adjacency linked list storage relation in the computer based on a computer theory algorithm, and constructing a distribution network contact topological model by taking the 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.
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 based on the subgraph connection topological relation and combining with specific parameter information of equipment, directly calculating short-circuit current based on existing short-circuit current calculation tools PSSE and ETAP of the power system, judging whether the operation mode of the power grid of the batch replication scheme meets the requirement of the short-circuit current, if one of the thermal stability and the short-circuit current does not meet the requirement, giving up the scheme, and if not, scoring the two indexes, and taking the highest score as the optimal batch replication suggestion.
Further, in the fifth step, a scoring formula for scoring the two indexes is as follows:
100*(1-Plower hanger/PQuota)*0.5+100*(1-ALower hanger/AQuota)*0.5
Wherein the total amount of the components satisfies 100 points, each accounts for 50 points, PLower hanger、ALower hangerFor total load and simulated short-circuit current in this region, PQuota、AQuotaThe 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 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, distribution transformer contain 1 topology node, and looped netowrk cabinet, switching station, power distribution station comprise bus, 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.
Furthermore, the distribution network basic data module acquires the account, the topological node relationship and the equipment state data of the distribution network equipment from the distribution network automation system or the distribution network dispatching graph model system, then the distribution network contact topology module takes a distribution network line as a unit, the equipment-to-equipment topological node information is converted into the equipment-to-equipment adjacent linked list storage relationship in the computer based on a computer theory algorithm, and the composite equipment is taken as a unit, judging whether model duplication exists according to the fact that the same ring main unit equipment exists in the distribution network line, wherein 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, and the distribution network power failure planning information comprises power failure equipment, work content, planned start-up time and planned completion time, and carrying out fuzzy matching on the names of the power failure equipment, then carrying out proofreading, and extracting specific power failure equipment information from the power failure plan.
Further, the distribution network one-time mode batch-repeat scheme calculation module is to put equipment state data into an interconnection topological model, solve a communication subgraph based on a computer theory traversal algorithm, divide the distribution network communication graph into a plurality of communication subgraphs, reserve the communication subgraph under the condition that the subgraph at least comprises a starting bus or an outgoing switch in a distribution network line as a power point, otherwise, totally set all the equipment in the subgraph to be in an outage state, put the power failure equipment in the distribution network interconnection topological model constructed in the distribution network power failure planning equipment information extraction module into the topological model to be in the outage state, then perform communication subgraph solution, judge whether the equipment in the subgraph belongs to a ring main unit or an opening and closing station when a new communication subgraph exists, and set the outage state equipment in other power supply equipment of the ring main unit or the opening and closing station to be in the operation state one by one when the new communication subgraph exists, and then solving the connected subgraphs one by one, recording each device operated by the shutdown and all the devices of the connected subgraphs where the devices are located under the condition that the new connected subgraphs do not appear any more, wherein one device state change is a batch repeating scheme, and when the new connected subgraphs do not exist, directly giving the new connected subgraphs, namely the power failure areas.
Furthermore, the reply opinion generation module checks the reply scheme in the distribution network one-time mode reply scheme calculation module through two constraint indexes of thermal stability and short-circuit current, performs the hanging load statistics on all the equipment in a connected subgraph recorded in each scheme and the 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 the thermal stability requirement or not through the switch quota requirement and the hanging load capacity, simultaneously constructs a power grid simulation model by combining the specific parameter information of the equipment based on the connected topological relation of the subgraph, directly calculates the short-circuit current based on 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 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, the best criticizing opinions are taken as the highest scores.
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 operation method based on topological 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 repeat 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 topological 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 process, only distribution network outlet switch remote signaling values are directly obtained from a main network dispatching automatic system, and telemetering data are obtained from a power consumer 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 of the equipment to the equipment is converted into the adjacent linked list storage relation of the equipment to the equipment in the computer based on a computer theory algorithm by taking the distribution network line as a unit, and whether the model repetition exists is judged by taking the composite equipment 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 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.
Step three: and extracting the distribution network power failure planning equipment information.
The method comprises the steps of obtaining distribution network power failure plan information from a power dispatching operation management system, wherein the distribution network power failure plan information comprises power failure equipment, work content, planned start time and planned completion time, carrying out fuzzy matching on names of the power failure equipment according to 'universal data model naming standards of power grid equipment', combining manual proofreading, and extracting specific power failure equipment information from a power failure plan.
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.
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 based on the subgraph connection topological relation and combining with specific parameter information of equipment, directly calculating short-circuit current based on existing short-circuit current calculation tools PSSE, ETAP and the like of the power system, judging whether the operation mode of the power grid of the batch replication scheme meets the requirement of the short-circuit current, 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-Plower hanger/PQuota)*0.5+100*(1-ALower hanger/AQuota)*0.5
Wherein the total amount of the components satisfies 100 points, each accounts for 50 points, PLower hanger、ALower hangerFor total load and simulated short-circuit current in this region, PQuota、AQuotaThe 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.
The batch opinion generation module checks batch schemes in the distribution network one-time mode batch scheme calculation module through two constraint indexes of thermal stability and short-circuit current, selects the maximum historical load distribution condition, carries out the hanging load statistics on all devices in a connected subgraph recorded in each scheme and the distribution network outlet switch statistics in the connected subgraph, automatically counts whether the power grid is in a thermal stability requirement or not through the switch quota requirement and the hanging load capacity, simultaneously constructs a power grid simulation model based on the connected topological relation of the subgraph and in combination with the specific parameter information of the devices, directly calculates the short-circuit current based on the existing short-circuit current calculation tools PSSE and ETAP of the power system, judges whether the batch 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, the best criticizing opinions are taken as the highest scores.
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 (10)
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 point 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;
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.
2. The distribution network ticket application one-time mode automatic repeat operation method based on topological linkage as claimed in claim 1, further comprising the following steps: 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 thermal stability is required or not according to switch quota requirements and load drop;
and meanwhile, constructing a power grid simulation model based on the subgraph connection topological relation and combining with specific parameter information of equipment, directly calculating short-circuit current based on existing short-circuit current calculation tools PSSE and ETAP of the power system, judging whether the operation mode of the power grid of the batch replication scheme meets the requirement of the short-circuit current, if one of the thermal stability and the short-circuit current does not meet the requirement, giving up the scheme, and if not, scoring the two indexes, and taking the highest score as the optimal batch replication suggestion.
3. The distribution network ticket application one-time mode automatic repeat operation method based on topological linkage as claimed in claim 2, wherein in step five, a scoring formula for scoring two indexes is as follows:
100*(1-Plower hanger/PQuota)*0.5+100*(1-ALower hanger/AQuota)*0.5
Wherein the total amount of the components satisfies 100 points, each accounts for 50 points, PLower hanger、ALower hangerFor total load and simulated short-circuit current in this region, PQuota、AQuotaThe load and short circuit current limit values for the power supply switch.
4. 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, distribution transformer contain 1 topology node, and looped netowrk cabinet, switching station, power distribution station comprise bus, switch.
5. The distribution network application ticket one-time mode automatic repeat operation method based on topology linkage as claimed in claim 4, characterized in that a power distribution network scheduling graph-model system is adopted to manage distribution network scheduling operation and distribution network equipment abnormal operation, and the method has a remote signaling function and a power network topology management function, wherein remote signaling data is 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 is obtained from a power consumer electricity consumption information acquisition system.
6. 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 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, the other bus-connected equipment is uniformly modified into the bus-reserved 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.
7. 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.
8. The distribution network application ticket one-time mode automatic replication system based on topology linkage as claimed in claim 7, wherein the distribution network basic data module obtains the ledger, the topology node relationship and the equipment state data of the distribution network equipment from the distribution network automation system or the distribution network dispatching graph model system, then the distribution network contact topology module takes the distribution network lines as a unit, the equipment-to-equipment topology node information is converted into the equipment-to-equipment adjacency linked list storage relationship in the computer based on the computer theory algorithm, whether model duplication exists or not is judged according to the existence of the same ring main unit equipment of the distribution network lines by taking the composite equipment as a unit, the distribution network power failure planning equipment information extraction module obtains distribution network power failure planning information from the power dispatching operation management system, and the distribution network power failure planning information comprises power failure equipment, work content, planned startup time and planned completion time, and carrying out fuzzy matching on the names of the power failure equipment, then carrying out proofreading, and extracting specific power failure equipment information from the power failure plan.
9. The automatic distribution network ticket application one-time mode reply system based on topology linkage as claimed in claim 7, wherein the distribution network one-time mode reply scheme computation module is to put device status data into a contact topology model, solve a connected subgraph based on a computer theory traversal algorithm, divide the distribution network connection graph into a plurality of connected subgraphs, use the condition that the subgraph at least comprises a starting bus or an outgoing switch in a distribution network line as a power point, reserve the connected subgraph, otherwise, all devices in the subgraph are in a shutdown state, put the power failure devices in the distribution network power failure planning device information extraction module, which construct the distribution network contact topology model, into the topology model, set the power failure states, then perform connected subgraph solution, and when a new connected subgraph appears, determine whether the devices in the subgraph belong to a cabinet or a switching station, and if the new connected subgraph does not appear any more, recording all the equipment which is operated by the shutdown and the connected subgraph where the equipment is located, wherein one equipment state change is a batch repeating scheme, and if the new connected subgraph does not exist, directly giving the new connected subgraph is a power failure area.
10. The distribution network application ticket one-time mode automatic replication system based on topology linkage as claimed in claim 7, wherein the replication opinion generation module checks the replication scheme in the distribution network one-time mode replication scheme calculation module through two constraint indexes of thermal stability and short-circuit current, performs drop load statistics and distribution network outlet switch statistics in the connected subgraph recorded in each scheme by selecting the maximum historical load distribution condition, automatically counts whether the power grid is thermally stable or not through switch quota requirements and drop load capacity, constructs a power grid simulation model based on the connected topological relation of the subgraph and combining specific parameter information of the equipment, directly calculates the short-circuit current based on the existing short-circuit current calculation tools PSSE and ETAP of the power system, and judges whether the power grid operation mode of the replication scheme meets the short-circuit current requirement or not, if one of the thermal stability and the short-circuit current is not satisfied, the scheme is abandoned, otherwise, the two indexes are scored, and the score with the highest score is used as the optimal batch suggestion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911001950.5A CN110795837B (en) | 2019-10-21 | 2019-10-21 | Automatic distribution network ticket application one-time mode repeating operation method based on topological linkage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911001950.5A CN110795837B (en) | 2019-10-21 | 2019-10-21 | Automatic distribution network ticket application one-time mode repeating operation method based on topological linkage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110795837A true CN110795837A (en) | 2020-02-14 |
| CN110795837B CN110795837B (en) | 2023-03-03 |
Family
ID=69440511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911001950.5A Active CN110795837B (en) | 2019-10-21 | 2019-10-21 | Automatic distribution network ticket application one-time mode repeating operation method based on topological linkage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110795837B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112231872A (en) * | 2020-10-13 | 2021-01-15 | 国网安徽省电力有限公司安庆供电公司 | Power transmission and transformation equipment work ticket topology anti-error method based on artificial intelligence |
| CN113191656A (en) * | 2021-05-13 | 2021-07-30 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Low-voltage distribution network equipment load and topology linkage method based on data correlation analysis |
Citations (5)
| 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 |
| 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 |
| 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 |
-
2019
- 2019-10-21 CN CN201911001950.5A patent/CN110795837B/en active Active
Patent Citations (5)
| 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 |
| 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 |
| 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 |
|---|
| 唐龙江等: "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", 《浙江电力》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112231872A (en) * | 2020-10-13 | 2021-01-15 | 国网安徽省电力有限公司安庆供电公司 | Power transmission and transformation equipment work ticket topology anti-error method based on artificial intelligence |
| CN112231872B (en) * | 2020-10-13 | 2024-04-26 | 国网安徽省电力有限公司安庆供电公司 | Power transmission and transformation equipment work ticket topology error prevention method based on artificial intelligence |
| CN113191656A (en) * | 2021-05-13 | 2021-07-30 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Low-voltage distribution network equipment load and topology linkage method based on data correlation analysis |
| CN113191656B (en) * | 2021-05-13 | 2022-08-02 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Low-voltage distribution network equipment load and topology linkage method based on data correlation analysis |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110795837B (en) | 2023-03-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102521398B (en) | Modeling method for substation-dispatching center two-level distributed type power grid | |
| CN103955777B (en) | Photovoltaic generation accesses power distribution network conceptual design and analysis and evaluation accessory system | |
| CN104123271B (en) | Intelligent substation secondary design system based on Excel | |
| CN101272051B (en) | Information system integration method of electric network production control region and management information region | |
| CN105095600B (en) | A kind of intelligent substation and regulation and control center cooperative modeling method | |
| CN107272615B (en) | A kind of substation model processing method for deploying integral system | |
| CN110266037B (en) | Distributed new energy full-observation modeling method and system based on topology automatic aggregation | |
| CN112507499B (en) | GIS-based power distribution network line loss data acquisition method and related device | |
| CN103812131A (en) | Multi-agent-based urban power grid isolated island black-start system and method | |
| CN104538958B (en) | The intelligent analysis method of Electricity customers electrical network access point and system | |
| CN110795837B (en) | Automatic distribution network ticket application one-time mode repeating operation method based on topological linkage | |
| CN102123045A (en) | Modeling method for high-voltage equipment on-line monitoring systems based on international electro-technical commission (IEC) 61850 | |
| CN106505559A (en) | Distribution network reliability analysis method based on power supply zone | |
| CN112114230A (en) | Distribution network monitoring system for low-voltage distribution area and distribution area topology identification method | |
| CN102403718A (en) | Generating method for power grid topological relationship based on Arcgis | |
| CN106203854A (en) | A kind of DC distribution net Economic Analysis Method and system | |
| CN104200392B (en) | A kind of automatic Prediction appraisal procedure of distribution network reliability index | |
| CN108764750A (en) | Main distribution network model modeling and topology analyzing method and system | |
| CN111563304B (en) | Power distribution network frame meta-model construction method | |
| CN106776750B (en) | Graph-mode integrated digital preplan system for power distribution network | |
| CN116826709A (en) | Automatic matching method, device and storage medium for adjustable load resource and scheduling master station model | |
| CN108510164B (en) | Online generation method for external network equivalent model of designated area in power system | |
| CN106022971A (en) | Method and device for selecting power distribution network power supply reliability enhancement scheme | |
| CN113256178B (en) | Distribution network operation mode rationality evaluation method and system | |
| CN109617025A (en) | A kind of automatic generation method and device of site conservative management unit main wiring diagram |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |