CN108154255A - A kind of implementation method of distribution network users access analysis system - Google Patents
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Abstract
The invention discloses a kind of implementation methods of distribution network users access analysis system, according to the position of access customer point waiting and customer charge grade and application capacity, access customer point periphery waiting is analyzed to can access a little, and the characteristics of for electric power system model, utilize network topologies, calculate the most short supply path of power equipment and access customer waiting point at 2 points, radius of electricity supply, circuit to different access schemes can open capacity, substation can open capacity, main transformer and can open capacity and be compared, and obtain optimal case.The present invention automatically generates access customer waiting according to the network distribution of power network resources and can access the optimal power path of point, can effectively improve the routine work efficiency of new user's cut-in operation and the reasonability of generation scheme by intelligent analysis process.
Description
Technical field
The present invention relates to a kind of implementation methods of distribution network users access analysis system, belong to power distribution network administrative skill neck
Domain.
Background technology
At present, power grid circuit itself, number of devices are huge, cut and change frequently, the selection power equipment in user's access procedure
The problems such as complicated and not high there are real-time, correctness and reliability are seriously relatively low, is safeguarded and used to access point heavy workload.
Invention content
Purpose：In order to overcome the deficiencies in the prior art, the present invention provides a kind of distribution network users access analysis system
The implementation method of system.
Technical solution：In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of implementation method of distribution network users access analysis system, includes the following steps：
Step 1：It treats accessing user's point to be positioned, confirms the position of access customer point waiting；
Step 2：It according to the position of access customer point waiting, searches for and can access point, and calculate access point opens capacity；
Step 3：The capacity that opens for applying for capacity and access point according to user is screened, and capacity can be opened by, which filtering out, expires
The power network resources of foot access customer requirement waiting are feasible access scheme；If there are many feasible access schemes, difference is connect
Entering the circuit of scheme can open that capacity, main transformer can open capacity and substation can open capacity, radius of electricity supply is compared successively,
Obtain optimal case.
Preferably, step 4 is further included：It is completed and manages, the management of being completed includes：
4.1：Apply for the modification of GIS circuits communication chart：After user accesses implementation completion, modification phase is sent out to state's net generalized information system
Answer circuit communication chart application；
4.2：Submit the update of present situation electric network data：After the completion of state's net generalized information system sends out modification respective lines communication chart application,
User's access scheme of completion is transferred to as present situation electric network data, the electric network data update of submission present situation.
Preferably, access customer point location waiting includes in the step 1：
1.1：Automatic positioning：According to the doorplate address of the user information obtained from power grid marketing system, by doorplate
Address carries out parsing participle, and matched road name is found from allocation index library, access customer point position waiting is confirmed on map simultaneously
Positioning；
1.2：Manual positioning：Using the roaming of map, amplification, basic operational functions are reduced, found on map to be accessed
User's point accurate location；
1.3：Input positioning：Distribution network users access analysis system provides coordinate position and is manually entered channel, when geography is sat
When marking known to information, the accurate location of access customer point waiting can be determined by manual input-mode.
Preferably, the step 2 includes：
2.1：Access point search：According to the position of access customer point waiting having determined, using access customer point waiting as origin,
Using acquiescence or customized search range as search radius, the access point in search range；
2.2：Access point analysis：According to distribution transforming simultaneity factor, distribution transforming load factor, each access point opens in calculating search radius
Capacity is put, can open capacity, main transformer including circuit and can open capacity and substation can open capacity, and show one by one with tabular form
Show each access-in point information, and have Site Survey function；
Distribution transforming simultaneity factor refers to the load according to the distribution transforming peak load moment all under circuit, distribution transforming peak load, calculates
Distribution transforming simultaneity factor, distribution transforming simultaneity factor calculation formula are as follows：
Distribution transforming load factor calculation formula is as follows：
Circuit can open capacity and refer to according to line component minimum current-carrying capacity, circuit maximum load current and distribution transforming simultaneously
Rate, distribution transforming load factor calculating circuit can open capacity, and calculation formula is as follows：For the circuit of 10kV,
Main transformer can open capacity and refer to according to the affiliated transforming plant main transformer quantity of main transformer, main transformer load factor, main transformer capacity, distribution transforming
Simultaneity factor, distribution transforming load factor, capacity can be opened by calculating main transformer, and it is as follows that main transformer can open calculation of capacity：
If there are two main transformers in place substation,：
If the sum of two varying load rates>130%, then main transformer can open capacity=0；
If the sum of two varying load rates<130%, then：
If separate unit main transformer load factor>80%, then main transformer can open capacity=0；
If separate unit main transformer load factor<80%, then
If there are three main transformers in place substation,：
If the sum of three varying load rates>195%, then main transformer can open capacity=0；
If the sum of three varying load rates<195%, then：
If separate unit main transformer load factor>80%, then main transformer can open capacity=0；
If separate unit main transformer load factor<80%, then：
Substation can open capacity and refer to according to main transformer quantity, main transformer load factor, main transformer capacity, substation in substation most
Big load, capacity can be opened by calculating substation, and it is as follows that substation can open calculation of capacity：
If there are two main transformers in place substation,：
If the sum of two varying load rates>130%, then substation can open capacity=0；
If the sum of two varying load rates<130%, then：
If there are three main transformers in place substation,：
If the sum of three varying load rates>195%, then substation can open capacity=0；
If the sum of three varying load rates<195%, then：
Preferably, optimal case is obtained in the step 3, it is as follows including step：
3.1：If circuit can open capacity * 0.8 applies for capacity more than user, this circuit is selected；
3.2：If main transformer can open capacity * 0.8 can open capacity more than circuit, this main transformer is selected；
3.3：If substation can open capacity * 0.8 more than main transformer can development capacity, select this substation；
3.4：On the basis of above-mentioned condition is met, radius of electricity supply, that is, user and substation air line distance it is minimum then for most
Excellent access scheme.
3.5：Access scheme result's management：User is established for each user's access events and accesses engineering, preserves feasible access
Scheme achievement, geographic distribution and line section figure including different access schemes etc. realizes the unified management of user's access scheme,
Convenient for later stage query calls；
3.6：Access scheme prints and export：Using the masterplate of typical design solution, user's access is obtained from marketing system
The relevant information of flow using the method for unifying on tabular form to be inserted into Excel bookmarks in Guo Wang companies, realizes that export and auxiliary are beaten
Print.
Preferably, step 5 is further included：Station track device statistics, the station track device statistics：By the circuit of substation
Facility information Classifying Sum statistics and space orientation in information and circuit.
Preferably, step 6 is further included：Outage analysis, the outage analysis：Using Distributing Network GIS graph topology as base
Plinth, simulation disconnects a circuit, the customer quantity that analysis power failure influences, and calculates power distribution network power supply reliability, for user's access point
Analysis provides basic data support.
Advantageous effect：A kind of implementation method of distribution network users access analysis system provided by the invention, passes through intelligence point
Algorithm is analysed, access customer waiting is automatically generated according to the network distribution of power network resources and can access the optimal power path of point, energy
Enough effectively improve the routine work efficiency of new user's cut-in operation and the reasonability of generation scheme.
Description of the drawings
Fig. 1 is flow chart of the method for the present invention.
Specific embodiment
The present invention is further described below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of implementation method of distribution network users access analysis system, as follows including step：
Step l, it treats accessing user's point to be positioned, confirms the position of access customer point waiting：
Automatic positioning：According to the doorplate address of the user information obtained from marketing system, by being carried out to doorplate address
Parsing participle finds matched road name from allocation index library, access customer point Position Approximate waiting is confirmed on map and is positioned.
Manual positioning：Cannot on map it is automatic accurate describe access customer point waiting position when, distribution network users connect
Enter analysis system and manual positioning function is provided.User is using basic operational functions such as roaming, amplification, the diminutions of map, in map
It is upper to find access customer point accurate location waiting.
Input positioning：Distribution network users access analysis system provides coordinate position and is manually entered channel, when geographical coordinate is believed
The accurate location of access customer point waiting can be determined when known to breath by manual input-mode.
Step 2, the position according to access customer point waiting are searched for and can access point, and calculate access point opens capacity：
2-1) access point search：According to the position of access customer point waiting having determined, using access customer point waiting as origin,
Using acquiescence or customized search range as search radius, the access point in search range；
2-2) access point analysis：According to distribution transforming simultaneity factor, distribution transforming load factor, each access point opens in calculating search radius
Capacity is put, can open capacity, main transformer including circuit and can open capacity and substation can open capacity, and show one by one with tabular form
Show each access-in point information, and have Site Survey function.
Distribution transforming simultaneity factor refers to the load according to the distribution transforming peak load moment all under circuit, distribution transforming peak load, calculates
Distribution transforming simultaneity factor, distribution transforming simultaneity factor calculation formula are as follows：
Distribution transforming load factor calculation formula is as follows：
Circuit can open capacity and refer to according to line component minimum current-carrying capacity, circuit maximum load current and distribution transforming simultaneously
Rate, distribution transforming load factor calculating circuit can open capacity, and calculation formula is as follows：For the circuit of 10kV,
Main transformer can open capacity and refer to according to the affiliated transforming plant main transformer quantity of main transformer, main transformer load factor, main transformer capacity, distribution transforming
Simultaneity factor, distribution transforming load factor, capacity can be opened by calculating main transformer, and it is as follows that main transformer can open calculation of capacity：
If there are two main transformers in place substation,：
If the sum of two varying load rates>130%, then main transformer can open capacity=0；
If the sum of two varying load rates<130%, then：
If separate unit main transformer load factor>80%, then main transformer can open capacity=0；
If separate unit main transformer load factor<80%, then
If there are three main transformers in place substation,：
If the sum of three varying load rates>195%, then main transformer can open capacity=0；
If the sum of three varying load rates<195%, then：
If separate unit main transformer load factor>80%, then main transformer can open capacity=0；
If separate unit main transformer load factor<80%, then
Substation can open capacity and refer to according to main transformer quantity, main transformer load factor, main transformer capacity, substation in substation most
Big load, capacity can be opened by calculating substation, and it is as follows that substation can open calculation of capacity：
If there are two main transformers in place substation,：
If the sum of two varying load rates>130%, then substation can open capacity=0；
If the sum of two varying load rates<130%, then：
If there are three main transformers in place substation,：
If the sum of three varying load rates>195%, then substation can open capacity=0；
If the sum of three varying load rates<195%, then：
Step 3 applies for that the capacity that opens of capacity and access point is screened according to user, and capacity can be opened by, which filtering out, expires
The power network resources of foot access customer requirement waiting are feasible access scheme；If there are many feasible access schemes, difference is connect
Enter the radius of electricity supply of scheme, circuit can open capacity, main transformer and can open capacity and substation and can open capacity and be compared, obtain
Optimal case.It is final to obtain optimal case：
Access scheme comparative analysis：Apply for that capacity is screened with access-in point information according to user, filtering is unsatisfactory for condition
Access point, filter out feasible program, it is connecing for the condition that meets that can open capacity to meet the power network resources of access customer requirement waiting
Access point.If there are many feasible access scheme, each access scheme of comparative analysis mainly includes：Circuit can open capacity, main transformer
Capacity can be opened, substation can open capacity, the aspect of radius of electricity supply four is compared analysis, finally obtain optimal case.
If circuit can open capacity * 0.8 applies for capacity more than user, this circuit is selected；
If main transformer can open capacity * 0.8 can open capacity more than circuit, this main transformer is selected；
If substation can open capacity * 0.8 more than main transformer can development capacity, select this substation；
On the basis of above-mentioned condition is met, radius of electricity supply, that is, user then connects with substation's air line distance minimum to be optimal
Enter scheme.
The analysis of 10kV line powerings radius refers to selecting circuit, according to shortest path principle, counts the line main line and straight
Line length, general radius of electricity supply should be less than being equal to 15km.
Access scheme result's management：User is established for each user's access events and accesses engineering, preserves feasible access scheme
Achievement, geographic distribution and line section figure including different access schemes etc. is realized the unified management of user's access scheme, is convenient for
Later stage query calls.
Access scheme prints and export：Using the masterplate of typical design solution, user's access process is obtained from marketing system
Relevant information using the method for unifying on tabular form to be inserted into Excel bookmarks in Guo Wang companies, realizes export and auxiliary printing.
4, management of being completed includes the following steps：
4-1) application GIS circuits communication chart modification：After user accesses implementation completion, the corresponding line of modification is sent out to state net GIS
Road communication chart application.
4-2) submit the update of present situation electric network data：After the completion of state net GIS sends out modification respective lines communication chart application, it will complete
User's access scheme of work is transferred to as present situation electric network data, the electric network data update of submission present situation.
In addition, the access analysis system is also equipped with following functions：
Station track device statistics：Facility information Classifying Sum statistics and space on the line information and circuit of substation are determined
Position etc..
Outage analysis：Based on Distributing Network GIS graph topology, using GIS as technological means, simulation disconnects a circuit, analysis
Have a power failure the customer quantity influenced, including pressing customer quantity in 10kV.Customer quantity is pressed in 10kV for calculating the confession of 10kV power distribution networks
Electric reliability accesses analysis for user and provides basic data support.
The above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of implementation method of distribution network users access analysis system, it is characterised in that：Include the following steps：
Step 1：It treats accessing user's point to be positioned, confirms the position of access customer point waiting；
Step 2：It according to the position of access customer point waiting, searches for and can access point, and calculate access point opens capacity；
Step 3：The capacity that opens for applying for capacity and access point according to user is screened, and capacity satisfaction can be opened by, which filtering out, treats
The power network resources of accessing user's requirement are feasible access scheme；If there are many feasible access scheme, to different access sides
The circuit of case can open that capacity, main transformer can open capacity and substation can open capacity, radius of electricity supply is compared successively, obtain
Optimal case.
2. a kind of implementation method of distribution network users access analysis system according to claim 1, it is characterised in that：Also wrap
Include step 4：It is completed and manages, the management of being completed includes：
4.1：Apply for the modification of GIS circuits communication chart：After user accesses implementation completion, the corresponding line of modification is sent out to state's net generalized information system
Road communication chart application；
4.2：Submit the update of present situation electric network data：After the completion of state's net generalized information system sends out modification respective lines communication chart application, it will complete
User's access scheme of work is transferred to as present situation electric network data, the electric network data update of submission present situation.
3. a kind of implementation method of distribution network users access analysis system according to claim 1, it is characterised in that：It is described
Access customer point location waiting includes in step 1：
1.1：Automatic positioning：According to the doorplate address of the user information obtained from power grid marketing system, by doorplate address
Parsing participle is carried out, matched road name is found from allocation index library, access customer point position waiting is confirmed on map and is positioned；
1.2：Manual positioning：Using the roaming of map, amplification, basic operational functions are reduced, access customer waiting is found on map
Point accurate location；
1.3：Input positioning：Distribution network users access analysis system provides coordinate position and is manually entered channel, when geographical coordinate is believed
When known to breath, the accurate location of access customer point waiting can be determined by manual input-mode.
4. a kind of implementation method of distribution network users access analysis system according to claim 1, it is characterised in that：It is described
Step 2 includes：
2.1：Access point search：According to the position of access customer point waiting having determined, using access customer point waiting as origin, with silent
Recognize or customized search range is search radius, the access point in search range；
2.2：Access point analysis：According to distribution transforming simultaneity factor, distribution transforming load factor, each access point opens appearance in calculating search radius
Amount, can open capacity, main transformer including circuit and can open capacity and substation can open capacity, and be shown one by one with tabular form each
Access-in point information, and have Site Survey function；
Distribution transforming simultaneity factor refers to the load according to the distribution transforming peak load moment all under circuit, distribution transforming peak load, calculates distribution transforming
Simultaneity factor, distribution transforming simultaneity factor calculation formula are as follows：
Distribution transforming load factor calculation formula is as follows：
Circuit can open capacity refer to according to line component minimum current-carrying capacity, circuit maximum load current and distribution transforming simultaneity factor,
Distribution transforming load factor, which calculates circuit, can open capacity, and calculation formula is as follows：For the circuit of 10kV,
Main transformer can open capacity and refer to according to the affiliated transforming plant main transformer quantity of main transformer, main transformer load factor, main transformer capacity, distribution transforming simultaneously
Rate, distribution transforming load factor, capacity can be opened by calculating main transformer, and it is as follows that main transformer can open calculation of capacity：
If there are two main transformers in place substation,：
If the sum of two varying load rates>130%, then main transformer can open capacity=0；
If the sum of two varying load rates<130%, then：
If separate unit main transformer load factor>80%, then main transformer can open capacity=0；
If separate unit main transformer load factor<80%, then
If there are three main transformers in place substation,：
If the sum of three varying load rates>195%, then main transformer can open capacity=0；
If the sum of three varying load rates<195%, then：
If separate unit main transformer load factor>80%, then main transformer can open capacity=0；
If separate unit main transformer load factor<80%, then：
Substation can open capacity and refer to be born according to main transformer quantity, main transformer load factor, main transformer capacity, substation's maximum in substation
Lotus, capacity can be opened by calculating substation, and it is as follows that substation can open calculation of capacity：
If there are two main transformers in place substation,：
If the sum of two varying load rates>130%, then substation can open capacity=0；
If the sum of two varying load rates<130%, then：
If there are three main transformers in place substation,：
If the sum of three varying load rates>195%, then substation can open capacity=0；
If the sum of three varying load rates<195%, then：
5. a kind of implementation method of distribution network users access analysis system according to claim 1, it is characterised in that：It is described
Optimal case is obtained in step 3, it is as follows including step：
3.1：If circuit can open capacity * 0.8 applies for capacity more than user, this circuit is selected；
3.2：If main transformer can open capacity * 0.8 can open capacity more than circuit, this main transformer is selected；
3.3：If substation can open capacity * 0.8 more than main transformer can development capacity, select this substation；
3.4：On the basis of above-mentioned condition is met, radius of electricity supply, that is, user then connects with substation's air line distance minimum to be optimal
Enter scheme；
3.5：Access scheme result's management：User is established for each user's access events and accesses engineering, preserves feasible access scheme
Achievement, geographic distribution and line section figure including different access schemes etc. is realized the unified management of user's access scheme, is convenient for
Later stage query calls；
3.6：Access scheme prints and export：Using the masterplate of typical design solution, user's access process is obtained from marketing system
Relevant information using the method for unifying on tabular form to be inserted into Excel bookmarks in Guo Wang companies, realizes export and auxiliary printing.
6. a kind of implementation method of distribution network users access analysis system according to claim 1, it is characterised in that：Also wrap
Include step 5：Station track device statistics, the station track device statistics：By the facility information on the line information and circuit of substation point
Class collect statistics and space orientation.
7. a kind of implementation method of distribution network users access analysis system according to claim 1, it is characterised in that：Also wrap
Include step 6：Outage analysis, the outage analysis：Based on Distributing Network GIS graph topology, simulation disconnects a circuit, and analysis has a power failure
The customer quantity of influence, and power distribution network power supply reliability is calculated, accessing analysis for user provides basic data support.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111126833A (en) * | 2019-12-20 | 2020-05-08 | 新奥数能科技有限公司 | Method and device for acquiring power access point |
| CN111339227A (en) * | 2020-01-07 | 2020-06-26 | 国网安徽省电力有限公司合肥供电公司 | Method for evaluating power supply scheme rationality based on GIS |
| CN112132701A (en) * | 2020-08-17 | 2020-12-25 | 国电南瑞科技股份有限公司 | Openable capacity calculation method based on one power grid diagram |
| CN112421644A (en) * | 2020-11-12 | 2021-02-26 | 珠海许继芝电网自动化有限公司 | Low-voltage load access method for distribution internet of things |
| CN112491046A (en) * | 2020-11-25 | 2021-03-12 | 国网湖北省电力有限公司咸宁供电公司 | Load access position decision method, device, equipment and storage medium |
| CN114065554A (en) * | 2022-01-11 | 2022-02-18 | 国网北京市电力公司 | Power distribution network online planning method, device, equipment and medium |
| CN114091885A (en) * | 2021-11-16 | 2022-02-25 | 国网江苏省电力有限公司连云港供电分公司 | Power protection method and system for important power consumption customer |
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| CN112421644B (en) * | 2020-11-12 | 2023-06-16 | 珠海许继芝电网自动化有限公司 | Low-voltage load access method for power distribution Internet of things |
| CN112491046A (en) * | 2020-11-25 | 2021-03-12 | 国网湖北省电力有限公司咸宁供电公司 | Load access position decision method, device, equipment and storage medium |
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Application publication date: 20180612 |