CN116111591A - Distribution network line rapid power restoration capability analysis method and system - Google Patents

Distribution network line rapid power restoration capability analysis method and system Download PDF

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CN116111591A
CN116111591A CN202310383221.0A CN202310383221A CN116111591A CN 116111591 A CN116111591 A CN 116111591A CN 202310383221 A CN202310383221 A CN 202310383221A CN 116111591 A CN116111591 A CN 116111591A
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block
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equipment
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CN116111591B (en
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邱桂华
区伟潮
周俊宇
汤志锐
邝梓佳
吴树鸿
严周宇
曹志辉
王健祥
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Foshan Power Supply Bureau of Guangdong Power Grid Corp
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Abstract

The invention discloses a distribution network line quick-speed re-energizing capacity analysis method and system, which are used for providing distribution network line quick-speed re-energizing capacity indexes through a distribution network line net rack quantification analysis principle, carrying out block division on the distribution network line according to distribution network line equipment account data, distribution network line automatic switching account data and distribution network line topological structure data, analyzing the number of users of quick-speed re-energizing blocks when the blocks are failed, and analyzing the total quantity of equivalent equipment in each block, so that the block quick-speed re-energizing capacity and the distribution network line quick-speed re-energizing capacity are calculated, the fault quick-speed recovering capacity of the distribution network line is dynamically and quantitatively analyzed, and support is provided for improving the distribution network automatic construction effect and carrying out safe and reliable operation on the distribution network.

Description

Distribution network line rapid power restoration capability analysis method and system
Technical Field
The invention relates to the technical field of power data analysis of distribution networks, in particular to a rapid power restoration capability analysis method and system for a distribution network line.
Background
In order to improve the equipment level of the distribution network and improve the power supply reliability of users, power supply enterprises install automation equipment in distribution lines to carry out distribution network automation construction. The automatic switch divides the line segments, the distribution transformer and other equipment on the distribution network line into a plurality of mutually-misaligned automatic blocks, when the distribution network circuit breaks down, the fault area can be reduced by tripping the nearby automatic switch, and the automatic transfer of the non-fault area can be realized by installing the connecting switch at the line connecting position, so that the reliability level of the distribution network is greatly improved.
In order to measure the automatic construction effect of the distribution network, in the actual operation process of the distribution network, a power supply enterprise guides the automatic and reasonable construction of the distribution network through indexes such as the automatic switch duty ratio, the average number of the automatic switches of the distribution network lines, the effective duty ratio of the automatic switches and the like. However, these indexes cannot dynamically and quantitatively analyze the fault quick recovery capability of the distribution network line, and are difficult to provide support for improving the automation construction effect of the distribution network and for the safe and reliable operation of the distribution network. Therefore, the method for dynamically and quantitatively analyzing the fault quick recovery capability of the distribution network line is provided, so that support is provided for improving the automation construction effect of the distribution network and for safe and reliable operation of the distribution network, and the method is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
The invention provides a rapid re-power capacity analysis method and system for a distribution network line, which are used for dynamically and quantitatively analyzing the fault rapid recovery capacity of the distribution network line and provide support for improving the automatic construction effect of the distribution network and for safe and reliable operation of the distribution network.
In view of the above, the first aspect of the present invention provides a method for analyzing a fast power recovery capability of a distribution network line, including:
acquiring distribution network line equipment standing book data, distribution network line automatic switching standing book data and distribution network line topological structure data;
determining the position of an automatic switch in a distribution network line according to distribution network line automatic switch account data and distribution network line topological structure data, and dividing the distribution network line into blocks according to the position of the automatic switch in the distribution network line;
counting the number of users in each block and the total number of users of the distribution network line according to the distribution network line equipment ledger data;
according to topology structure data of the distribution network line and the number of users in each block, analyzing the number of users of the fast-speed re-electrifying blocks of the distribution network line when each block fails, and calculating the fast-speed re-electrifying user ratio of the distribution network line when the block fails;
acquiring equipment data in each block according to the distribution network line equipment ledger data, carrying out normalization processing on the equipment type number in each block according to preset coefficients, and calculating the total quantity of equivalent equipment in each block and the total quantity of full-line equivalent equipment;
and calculating the quick power restoration capacity of the blocks and the quick power restoration capacity of the distribution network lines according to the total equivalent equipment amount and the total equivalent equipment amount of the whole line in each block.
Optionally, the method further comprises:
and carrying out data display on the quick block power restoration capability and the quick power restoration capability of the distribution network line.
Optionally, according to topology structure data of the distribution network line and the number of users in each block, analyzing the number of users of the fast-powered blocks of the distribution network line when each block fails, and calculating the fast-powered user ratio of the distribution network line when the block fails, including:
according to topology structure data of the distribution network line and the number of users in each block, when each block fails, the power supply upper area of the failed block can quickly recover the power supply block through the outlet switch, and the power supply lower area can be converted into the power supply quick-return block through the interconnection switch, and the number of users of all the blocks capable of quickly recovering the power supply is counted, so that the number of users of the quick-return blocks of the distribution network line is obtained;
according to the number of users of the fast power restoration blocks of the distribution network line and the total number of users of the distribution network line, the fast power restoration user ratio of the distribution network line in the case of block faults is calculated according to the calculation formula:
Figure SMS_1
；
Figure SMS_2
for fast power-up subscriber ratio of distribution network line,/->
Figure SMS_3
For the number of users of fast re-electrified blocks of the distribution network line,
Figure SMS_4
the total number of users is the distribution network line.
Optionally, acquiring device data in each block according to the network distribution line device ledger data, performing normalization processing on the device type number in each block according to a preset coefficient, and calculating the total equivalent device amount and the total equivalent device amount of the whole line in each block, including:
acquiring equipment data in each block according to the distribution network line equipment ledger data;
normalizing the number of the equipment types in each block according to a preset coefficient, and converting the number of the equipment types into dimensionless numerical equivalent equipment quantity to obtain the total amount of the equivalent equipment in each block;
and calculating the total equivalent equipment of the whole line according to the total equivalent equipment in each block.
Optionally, calculating the block fast power recovery capability and the distribution network line fast power recovery capability according to the total equivalent equipment amount and the total full line equivalent equipment amount in each block includes:
calculating the probability of each block failure according to the total amount of equivalent equipment in each block, wherein the calculation formula is as follows:
Figure SMS_5
；
wherein ,
Figure SMS_6
for the probability of a block failing, +.>
Figure SMS_7
For the total amount of equivalent devices within each block,
Figure SMS_8
is the total amount of the full-line equivalent equipment;
according to the probability of each block failure, calculating the block quick power recovery capability, wherein the calculation formula is as follows:
Figure SMS_9
；
wherein ,
Figure SMS_10
the fast power recovery capability is realized for the block;
and superposing the block quick power restoration capability of each block to obtain the quick power restoration capability of the distribution network line.
Optionally, the data display for the block fast power restoration capability and the distribution network line fast power restoration capability includes:
generating a distribution network line block diagram according to the distribution network line topology structure data and the block division result;
performing first data display on the block quick power recovery capability of each block, wherein the first data comprises block quick power recovery capability values;
and carrying out second data display on the quick power restoration capacity of the distribution network line, wherein the second data comprises the quick power restoration capacity value of the distribution network line.
Optionally, obtaining the distribution network line equipment ledger data, the distribution network line automation switch ledger data and the distribution network line topology structure data includes:
acquiring a distribution network line model based on an XML file, and analyzing the distribution network line model to obtain distribution network line equipment ledger data and distribution network line topological structure data;
and acquiring distribution network line automation switching ledger data according to the distribution network line equipment ledger data.
The second aspect of the present invention provides a rapid power restoration capability analysis system for a distribution network line, including:
the data acquisition unit is used for acquiring the distribution network line equipment ledger data, the distribution network line automatic switching ledger data and the distribution network line topological structure data;
the block dividing unit is used for determining the position of the automatic switch in the distribution network line according to the distribution network line automatic switch ledger data and the distribution network line topological structure data, and dividing the distribution network line into blocks according to the position of the automatic switch in the distribution network line;
the user number counting unit is used for counting the number of users in each block and the total number of users of the distribution network line according to the distribution network line equipment ledger data;
the quick power-on user ratio calculating unit is used for analyzing the number of quick power-on block users of the distribution network line when each block fails according to the topology structure data of the distribution network line and the number of users in each block, and calculating the quick power-on user ratio of the distribution network line when the block fails;
the equivalent equipment total amount calculation unit is used for acquiring the equipment data in each block according to the network distribution line equipment ledger data, carrying out normalization processing on the equipment type number in each block according to preset coefficients, and calculating the equivalent equipment total amount and the total line equivalent equipment total amount in each block;
and the fast power restoration capability calculation unit is used for calculating the fast power restoration capability of the block and the fast power restoration capability of the distribution network line according to the total equivalent equipment amount and the total equivalent equipment amount of the whole line in each block.
Optionally, the method further comprises:
and the data display unit is used for displaying data of the block quick power restoration capability and the distribution network line quick power restoration capability.
Optionally, the fast power-on user ratio calculation unit is specifically configured to:
according to topology structure data of the distribution network line and the number of users in each block, when each block fails, the power supply upper area of the failed block can quickly recover the power supply block through the outlet switch, and the power supply lower area can be converted into the power supply quick-return block through the interconnection switch, and the number of users of all the blocks capable of quickly recovering the power supply is counted, so that the number of users of the quick-return blocks of the distribution network line is obtained;
according to the number of users of the fast power restoration blocks of the distribution network line and the total number of users of the distribution network line, the fast power restoration user ratio of the distribution network line in the case of block faults is calculated according to the calculation formula:
Figure SMS_11
；
Figure SMS_12
for fast power-up subscriber ratio of distribution network line,/->
Figure SMS_13
For the number of users of fast re-electrified blocks of the distribution network line,
Figure SMS_14
the total number of users is the distribution network line.
Optionally, the equivalent device total amount calculation unit is specifically configured to:
acquiring equipment data in each block according to the distribution network line equipment ledger data;
normalizing the number of the equipment types in each block according to a preset coefficient, and converting the number of the equipment types into dimensionless numerical equivalent equipment quantity to obtain the total amount of the equivalent equipment in each block;
and calculating the total equivalent equipment of the whole line according to the total equivalent equipment in each block.
Optionally, the fast complex electric power capability calculation unit is specifically configured to:
calculating the probability of each block failure according to the total amount of equivalent equipment in each block, wherein the calculation formula is as follows:
Figure SMS_15
；
wherein ,
Figure SMS_16
for the probability of a block failing, +.>
Figure SMS_17
For the total amount of equivalent devices within each block,
Figure SMS_18
is the total amount of the full-line equivalent equipment;
according to the probability of each block failure, calculating the block quick power recovery capability, wherein the calculation formula is as follows:
Figure SMS_19
；
wherein ,
Figure SMS_20
the fast power recovery capability is realized for the block;
and superposing the block quick power restoration capability of each block to obtain the quick power restoration capability of the distribution network line.
Optionally, the data display unit is specifically configured to:
generating a distribution network line block diagram according to the distribution network line topology structure data and the block division result;
performing first data display on the block quick power recovery capability of each block, wherein the first data comprises block quick power recovery capability values;
and carrying out second data display on the quick power restoration capacity of the distribution network line, wherein the second data comprises the quick power restoration capacity value of the distribution network line.
Optionally, the data acquisition unit is specifically configured to:
acquiring a distribution network line model based on an XML file, and analyzing the distribution network line model to obtain distribution network line equipment ledger data and distribution network line topological structure data;
and acquiring distribution network line automation switching ledger data according to the distribution network line equipment ledger data.
According to the technical scheme, the method and the system for analyzing the quick power restoration capability of the distribution network circuit have the following advantages:
according to the distribution network line quick-speed re-configuration capability analysis method, the distribution network line quick-speed re-configuration capability index is provided through the distribution network line network frame quantification analysis principle, the distribution network line equipment account data, the distribution network line automatic switching account data and the distribution network line topological structure data are relied on, the distribution network line is divided into blocks, the number of users of blocks which can be quickly re-electrified when the blocks fail is analyzed, and the total amount of equivalent equipment in each block is analyzed, so that the block quick-speed re-configuration capability and the distribution network line quick-speed re-configuration capability are calculated, the fault quick-speed recovery capability of the distribution network line is dynamically and quantitatively analyzed, and support is provided for improving the distribution network automatic construction effect and the distribution network safe and reliable operation.
The distribution network line rapid re-establishment capability analysis system provided by the invention is used for executing the distribution network line rapid re-establishment capability analysis method provided by the invention, and the obtained technical effect is the same as that of the distribution network line rapid re-establishment capability analysis method provided by the invention, and the description is omitted here.
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For a clearer description of embodiments of the invention or of solutions according to the prior art, the figures which are used in the description of the embodiments or of the prior art will be briefly described, it being obvious that the figures in the description below are only some embodiments of the invention, from which, without the aid of inventive efforts, other relevant figures can be obtained for a person skilled in the art.
Fig. 1 is a schematic flow chart of a method for analyzing quick power recovery capability of a distribution network line provided by the invention;
fig. 2 is another flow chart of a method for analyzing the fast re-power capability of a distribution network line provided in the present invention;
fig. 3 is a schematic structural diagram of a rapid power restoration capability analysis system for a distribution network line provided by the invention.
Detailed Description
In order to make the present invention better understood by those skilled in the art, the following description will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
For easy understanding, referring to fig. 1, an embodiment of a method for analyzing a fast power recovery capability of a distribution network line is provided in the present invention, including:
step 101, acquiring distribution network line equipment ledger data, distribution network line automation switching ledger data and distribution network line topological structure data.
It should be noted that, a distribution network line model based on an XML file may be obtained, and the distribution network line model based on the XML file may be automatically parsed to obtain a connection relationship between equipment ledger data in a distribution network line and distribution network equipment, where the distribution network line equipment includes: cable termination, intermediate head, PT, earthing knife-switch, isolating knife-switch, lightning arrester, fuse, switch cabinet, pole switch, cable line, overhead line, station transformer, public distribution transformer, special distribution transformer, etc. According to the connection relation between distribution network devices, the data content of the last device and the next device connected with the device terminals is described in a distribution network line model by combining the devices in the distribution network lines, so that a power supply topological structure of the whole distribution network line is formed, and distribution network line topological structure data is obtained. And screening the automation switch ledger data from the equipment ledger data in the distribution network line.
Step 102, determining the position of an automatic switch in a distribution network line according to distribution network line automatic switch ledger data and distribution network line topological structure data, and dividing blocks of the distribution network line according to the position of the automatic switch in the distribution network line.
It should be noted that, according to the distribution network line automation switch ledger data and the distribution network line topology structure data, the automation switch data in the distribution network line is carded, the position of each automation switch in the distribution network line is analyzed, the area of two adjacent automation switches defines a block, and the distribution network line is divided into a plurality of blocks.
And 103, counting the number of users in each block and the total number of users of the distribution network line according to the distribution network line equipment ledger data.
It should be noted that, counting the distribution variable in each block, obtaining the user number of the distribution transformer according to the user number description in the distribution network line equipment account data, obtaining the user number data in the block through the duplication removal processing of the unique user number identification, and counting the user number in each block respectively, thus obtaining the total user number of the distribution network line.
And 104, analyzing the number of users of the fast power restoration blocks of the distribution network line when each block fails according to the distribution network line topological structure data and the number of users in each block, and calculating the fast power restoration user ratio of the distribution network line when the block fails.
It should be noted that, according to the topology structure data of the distribution network line and the number of users in each block, when each block fails, the upper power supply area of the failed block can quickly recover the power supply block through the outlet switch and the lower power supply area can convert the power supply block into the quick power recovery block through the interconnection switch, and the number of users of all the quick power recovery blocks is counted to obtain the number of users of the quick power recovery blocks of the distribution network line;
according to the number of users of the fast power restoration blocks of the distribution network line and the total number of users of the distribution network line, the fast power restoration user ratio of the distribution network line in the case of block faults is calculated, and the calculation formula is as follows:
Figure SMS_21
；
Figure SMS_22
for fast power-up subscriber ratio of distribution network line,/->
Figure SMS_23
For the number of users of fast re-electrified blocks of the distribution network line,
Figure SMS_24
the total number of users is the distribution network line.
Step 105, obtaining the equipment data in each block according to the distribution network line equipment ledger data, carrying out normalization processing on the equipment type number in each block according to preset coefficients, and calculating the total equivalent equipment amount in each block and the total equivalent equipment amount of the whole line.
It should be noted that, according to the network distribution line equipment ledger data and the divided blocks, equipment data in each block can be obtained, equipment quantity data of different types is normalized according to preset coefficients (which may be referred to as equivalent equipment quantity conversion coefficients), the equipment quantity data is converted into dimensionless numerical equivalent equipment quantity, the normalized numerical value obtained by multiplying the quantity of each type of network distribution equipment by the normalized equipment quantity obtained by the equivalent equipment quantity conversion coefficients of the type of equipment is summed to obtain the total quantity of equivalent equipment of each block, and a calculation formula can be expressed as follows:
Figure SMS_25
；
wherein ,
Figure SMS_26
for the total amount of equivalent devices within each block, +.>
Figure SMS_27
For the number of various devices in the block, the number of various distribution network devices is multiplied by the number of the type of devicesNormalized values obtained after normalization of the equivalent equipment quantity conversion coefficients.
The total amount of the block equivalent devices of each block is summed to obtain the total amount of the full line equivalent devices.
The total equivalent equipment and total full line equivalent equipment in each block can be obtained.
In the invention, according to the statistical analysis condition of the permanent faults of the distribution network line in recent years, the equivalent equipment quantity conversion coefficients of various kinds of equipment are formulated as shown in table 1. It should be noted that the equivalent device quantity conversion coefficient of various devices can be adjusted according to the requirement in the actual application process.
Figure SMS_28
And 106, calculating the quick power restoration capacity of the blocks and the quick power restoration capacity of the distribution network line according to the total equivalent equipment amount and the total equivalent equipment amount of the whole line in each block.
It should be noted that, the probability of each block failure is calculated according to the total amount of equivalent devices in each block, and the calculation formula is as follows:
Figure SMS_29
；
wherein ,
Figure SMS_30
for the probability of a block failing, +.>
Figure SMS_31
For the total amount of equivalent devices within each block,
Figure SMS_32
is the total amount of the full-line equivalent equipment;
according to the probability of each block failure, calculating the block quick power recovery capability, wherein the calculation formula is as follows:
Figure SMS_33
；
wherein ,
Figure SMS_34
the fast power recovery capability is realized for the block; />
And superposing the block quick power restoration capability of each block to obtain the quick power restoration capability of the distribution network line.
According to the distribution network line quick-speed re-configuration capability analysis method, the distribution network line quick-speed re-configuration capability index is provided through the distribution network line network frame quantification analysis principle, the distribution network line equipment account data, the distribution network line automatic switching account data and the distribution network line topological structure data are relied on, the distribution network line is divided into blocks, the number of users of blocks which can be quickly re-electrified when the blocks fail is analyzed, and the total amount of equivalent equipment in each block is analyzed, so that the block quick-speed re-configuration capability and the distribution network line quick-speed re-configuration capability are calculated, the fault quick-speed recovery capability of the distribution network line is dynamically and quantitatively analyzed, and support is provided for improving the distribution network automatic construction effect and the distribution network safe and reliable operation.
Referring to fig. 2, in an embodiment, after the analysis results of the block fast power recovery capability and the distribution network line fast power recovery capability are obtained in step 106, the method may further include:
and 107, carrying out data display on the block quick power restoration capability and the distribution network line quick power restoration capability.
It should be noted that, the data displaying of the block quick-power-restoration capability and the distribution network line quick-power-restoration capability may include displaying a distribution network line block diagram, displaying block quick-power-restoration capability data of each block, and displaying distribution network line quick-power-restoration capability data.
Specifically, for the display of the distribution network line block diagram, the distribution network line block diagram can be generated according to the distribution network line topology structure data and the block division result, and the diagram mainly comprises information such as distribution network line block composition, name numbers of each block, number of users in the block, number of equivalent devices in the block, and automatic switch of the section.
For the block quick reset capability data display of each block, the first data display can be performed on the block quick reset capability of each block, and the first data display mainly comprises a display block quick reset capability value, a block name, a position of a block front-section automatic switch, a block front-section automatic switch name, a fault power failure affecting block number, a fault affecting non-quick reset user number, a power supply block number capable of being maintained or restored, a power supply user ratio capable of being maintained or restored, a block equivalent equipment quantity where a fault point is located, a probability of simulating fault occurrence in the block and the like.
It should be noted that, the specific displayed first data content may be added or subtracted by those skilled in the art according to actual needs, which is not limited in the present invention.
For a specific visual understanding of the displayed data content, the present invention takes a distribution line with 6 blocks (the block names are respectively defined as block 1, block 2, block 3, block 4, block 5 and block 6) as an example, and the specific first data display content can be seen in table 2.
Figure SMS_35
For the rapid power restoration capability data of the distribution network line, the rapid power restoration capability of the distribution network line can be displayed, and the second data display mainly comprises the regional office, the power supply station, the transformer substation, the line type, the total line user number, the rapid power restoration capability value of the distribution network line and the like of each distribution network line.
For easy understanding, referring to fig. 3, an embodiment of a rapid power restoration capability analysis system for a distribution network line is provided in the present invention, including:
the data acquisition unit is used for acquiring the distribution network line equipment ledger data, the distribution network line automatic switching ledger data and the distribution network line topological structure data;
the block dividing unit is used for determining the position of the automatic switch in the distribution network line according to the distribution network line automatic switch ledger data and the distribution network line topological structure data, and dividing the distribution network line into blocks according to the position of the automatic switch in the distribution network line;
the user number counting unit is used for counting the number of users in each block and the total number of users of the distribution network line according to the distribution network line equipment ledger data;
the quick power-on user ratio calculating unit is used for analyzing the number of quick power-on block users of the distribution network line when each block fails according to the topology structure data of the distribution network line and the number of users in each block, and calculating the quick power-on user ratio of the distribution network line when the block fails;
the equivalent equipment total amount calculation unit is used for acquiring the equipment data in each block according to the network distribution line equipment ledger data, carrying out normalization processing on the equipment type number in each block according to preset coefficients, and calculating the equivalent equipment total amount and the total line equivalent equipment total amount in each block;
and the fast power restoration capability calculation unit is used for calculating the fast power restoration capability of the block and the fast power restoration capability of the distribution network line according to the total equivalent equipment amount and the total equivalent equipment amount of the whole line in each block.
Optionally, the method further comprises:
and the data display unit is used for displaying data of the block quick power restoration capability and the distribution network line quick power restoration capability.
Optionally, the fast power-on user ratio calculation unit is specifically configured to:
according to topology structure data of the distribution network line and the number of users in each block, when each block fails, the power supply upper area of the failed block can quickly recover the power supply block through the outlet switch, and the power supply lower area can be converted into the power supply quick-return block through the interconnection switch, and the number of users of all the blocks capable of quickly recovering the power supply is counted, so that the number of users of the quick-return blocks of the distribution network line is obtained;
according to the number of users of the fast power restoration blocks of the distribution network line and the total number of users of the distribution network line, the fast power restoration user ratio of the distribution network line in the case of block faults is calculated according to the calculation formula:
Figure SMS_36
；
Figure SMS_37
for fast power-up subscriber ratio of distribution network line,/->
Figure SMS_38
For the number of users of fast re-electrified blocks of the distribution network line,
Figure SMS_39
the total number of users is the distribution network line.
Optionally, the equivalent device total amount calculation unit is specifically configured to:
acquiring equipment data in each block according to the distribution network line equipment ledger data;
normalizing the number of the equipment types in each block according to a preset coefficient, and converting the number of the equipment types into dimensionless numerical equivalent equipment quantity to obtain the total amount of the equivalent equipment in each block;
and calculating the total equivalent equipment of the whole line according to the total equivalent equipment in each block.
Optionally, the fast complex electric power capability calculation unit is specifically configured to:
calculating the probability of each block failure according to the total amount of equivalent equipment in each block, wherein the calculation formula is as follows:
Figure SMS_40
；
wherein ,
Figure SMS_41
for the probability of a block failing, +.>
Figure SMS_42
For the total amount of equivalent devices within each block,
Figure SMS_43
is the total amount of the full-line equivalent equipment;
according to the probability of each block failure, calculating the block quick power recovery capability, wherein the calculation formula is as follows:
Figure SMS_44
；
wherein ,
Figure SMS_45
the fast power recovery capability is realized for the block;
and superposing the block quick power restoration capability of each block to obtain the quick power restoration capability of the distribution network line.
Optionally, the data display unit is specifically configured to:
generating a distribution network line block diagram according to the distribution network line topology structure data and the block division result;
performing first data display on the block quick power recovery capability of each block, wherein the first data comprises block quick power recovery capability values;
and carrying out second data display on the quick power restoration capacity of the distribution network line, wherein the second data comprises the quick power restoration capacity value of the distribution network line.
Optionally, the data acquisition unit is specifically configured to:
acquiring a distribution network line model based on an XML file, and analyzing the distribution network line model to obtain distribution network line equipment ledger data and distribution network line topological structure data;
and acquiring distribution network line automation switching ledger data according to the distribution network line equipment ledger data.
The distribution network line rapid re-establishment capability analysis system provided by the invention is used for executing the distribution network line rapid re-establishment capability analysis method provided by the invention, and the obtained technical effect is the same as that of the distribution network line rapid re-establishment capability analysis method provided by the invention, and the description is omitted here.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A method for analyzing the rapid re-energizing capacity of a distribution network line is characterized by comprising the following steps:
acquiring distribution network line equipment standing book data, distribution network line automatic switching standing book data and distribution network line topological structure data;
determining the position of an automatic switch in a distribution network line according to distribution network line automatic switch account data and distribution network line topological structure data, and dividing the distribution network line into blocks according to the position of the automatic switch in the distribution network line;
counting the number of users in each block and the total number of users of the distribution network line according to the distribution network line equipment ledger data;
according to topology structure data of the distribution network line and the number of users in each block, analyzing the number of users of the fast-speed re-electrifying blocks of the distribution network line when each block fails, and calculating the fast-speed re-electrifying user ratio of the distribution network line when the block fails;
acquiring equipment data in each block according to the distribution network line equipment ledger data, carrying out normalization processing on the equipment type number in each block according to preset coefficients, and calculating the total quantity of equivalent equipment in each block and the total quantity of full-line equivalent equipment;
and calculating the quick power restoration capacity of the blocks and the quick power restoration capacity of the distribution network lines according to the total equivalent equipment amount and the total equivalent equipment amount of the whole line in each block.
2. The method for analyzing the rapid re-energizing capacity of a distribution network line according to claim 1, further comprising:
and carrying out data display on the quick block power restoration capability and the quick power restoration capability of the distribution network line.
3. The method for analyzing the rapid power restoration capability of a distribution network line according to claim 1, wherein analyzing the number of users of the rapidly power restoration blocks of the distribution network line when each block fails according to the topology data of the distribution network line and the number of users in each block, calculating the rapid power restoration user ratio of the distribution network line when the block fails, comprises:
according to topology structure data of the distribution network line and the number of users in each block, when each block fails, the power supply upper area of the failed block can quickly recover the power supply block through the outlet switch, and the power supply lower area can be converted into the power supply quick-return block through the interconnection switch, and the number of users of all the blocks capable of quickly recovering the power supply is counted, so that the number of users of the quick-return blocks of the distribution network line is obtained;
according to the number of users of the fast power restoration blocks of the distribution network line and the total number of users of the distribution network line, the fast power restoration user ratio of the distribution network line in the case of block faults is calculated according to the calculation formula:
Figure QLYQS_1
；
Figure QLYQS_2
for fast power-up subscriber ratio of distribution network line,/->
Figure QLYQS_3
For the number of users of fast re-electrified blocks of the distribution network line,
Figure QLYQS_4
the total number of users is the distribution network line.
4. The method for analyzing rapid power restoration capacity of a distribution network line according to claim 3, wherein the steps of obtaining device data in each block according to the distribution network line device ledger data, normalizing the number of device types in each block according to preset coefficients, and calculating the total equivalent device amount in each block and the total equivalent device amount of the whole line include:
acquiring equipment data in each block according to the distribution network line equipment ledger data;
normalizing the number of the equipment types in each block according to a preset coefficient, and converting the number of the equipment types into dimensionless numerical equivalent equipment quantity to obtain the total amount of the equivalent equipment in each block;
and calculating the total equivalent equipment of the whole line according to the total equivalent equipment in each block.
5. The method for analyzing the rapid power restoration capacity of a distribution network line according to claim 4, wherein calculating the rapid power restoration capacity of a block and the rapid power restoration capacity of the distribution network line according to the total amount of equivalent devices in each block and the total amount of equivalent devices of the whole line comprises:
calculating the probability of each block failure according to the total amount of equivalent equipment in each block, wherein the calculation formula is as follows:
Figure QLYQS_5
；
wherein ,
Figure QLYQS_6
for the probability of a block failing, +.>
Figure QLYQS_7
For the total amount of equivalent devices within each block,
Figure QLYQS_8
is the total amount of the full-line equivalent equipment;
according to the probability of each block failure, calculating the block quick power recovery capability, wherein the calculation formula is as follows:
Figure QLYQS_9
；
wherein ,
Figure QLYQS_10
the fast power recovery capability is realized for the block;
and superposing the block quick power restoration capability of each block to obtain the quick power restoration capability of the distribution network line.
6. The method for analyzing the rapid power restoration capability of the distribution network line according to claim 2, wherein the data presentation of the block rapid power restoration capability and the rapid power restoration capability of the distribution network line comprises the steps of:
generating a distribution network line block diagram according to the distribution network line topology structure data and the block division result;
performing first data display on the block quick power recovery capability of each block, wherein the first data comprises block quick power recovery capability values;
and carrying out second data display on the quick power restoration capacity of the distribution network line, wherein the second data comprises the quick power restoration capacity value of the distribution network line.
7. The method for analyzing rapid power restoration capability of a distribution network line according to claim 1, wherein obtaining distribution network line equipment ledger data, distribution network line automation switching ledger data and distribution network line topology data comprises:
acquiring a distribution network line model based on an XML file, and analyzing the distribution network line model to obtain distribution network line equipment ledger data and distribution network line topological structure data;
and acquiring distribution network line automation switching ledger data according to the distribution network line equipment ledger data.
8. The utility model provides a join in marriage net twine line quick complex electric energy capability analysis system which characterized in that includes:
the data acquisition unit is used for acquiring the distribution network line equipment ledger data, the distribution network line automatic switching ledger data and the distribution network line topological structure data;
the block dividing unit is used for determining the position of the automatic switch in the distribution network line according to the distribution network line automatic switch ledger data and the distribution network line topological structure data, and dividing the distribution network line into blocks according to the position of the automatic switch in the distribution network line;
the user number counting unit is used for counting the number of users in each block and the total number of users of the distribution network line according to the distribution network line equipment ledger data;
the quick power-on user ratio calculating unit is used for analyzing the number of quick power-on block users of the distribution network line when each block fails according to the topology structure data of the distribution network line and the number of users in each block, and calculating the quick power-on user ratio of the distribution network line when the block fails;
the equivalent equipment total amount calculation unit is used for acquiring the equipment data in each block according to the network distribution line equipment ledger data, carrying out normalization processing on the equipment type number in each block according to preset coefficients, and calculating the equivalent equipment total amount and the total line equivalent equipment total amount in each block;
and the fast power restoration capability calculation unit is used for calculating the fast power restoration capability of the block and the fast power restoration capability of the distribution network line according to the total equivalent equipment amount and the total equivalent equipment amount of the whole line in each block.
9. The distribution network line rapid re-entrant capacity analysis system of claim 8, further comprising:
and the data display unit is used for displaying data of the block quick power restoration capability and the distribution network line quick power restoration capability.
10. The distribution network line rapid power restoration capability analysis system according to claim 8, wherein the rapid power restoration user ratio calculation unit is specifically configured to:
according to topology structure data of the distribution network line and the number of users in each block, when each block fails, the power supply upper area of the failed block can quickly recover the power supply block through the outlet switch, and the power supply lower area can be converted into the power supply quick-return block through the interconnection switch, and the number of users of all the blocks capable of quickly recovering the power supply is counted, so that the number of users of the quick-return blocks of the distribution network line is obtained;
according to the number of users of the fast power restoration blocks of the distribution network line and the total number of users of the distribution network line, the fast power restoration user ratio of the distribution network line in the case of block faults is calculated according to the calculation formula:
Figure QLYQS_11
；
Figure QLYQS_12
for fast power-up subscriber ratio of distribution network line,/->
Figure QLYQS_13
For the number of users of fast re-electrified blocks of the distribution network line,
Figure QLYQS_14
the total number of users is the distribution network line. />
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