CN102637242A - Control method for improving line loss calculating accuracy of power distribution room - Google Patents
Control method for improving line loss calculating accuracy of power distribution room Download PDFInfo
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- CN102637242A CN102637242A CN2012100950429A CN201210095042A CN102637242A CN 102637242 A CN102637242 A CN 102637242A CN 2012100950429 A CN2012100950429 A CN 2012100950429A CN 201210095042 A CN201210095042 A CN 201210095042A CN 102637242 A CN102637242 A CN 102637242A
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Abstract
The invention relates to a control method for improving the line loss calculating accuracy of a power distribution room, comprising the following steps: firstly, dividing each power distribution room into a small user power distribution room, a large user power distribution room, a small user mixing power distribution room and a large user mixing power distribution room; secondly, determining the average time of power selling amount aiming at different types of power distribution room based on the current situation that the meter reading times are different for different users, and designing different formulas to calculate the power supply amount and the power selling amount of the power distribution room; and finally, calculating the line loss according to the collected power supply amount and power selling amount. Therefore, the control method ensures that the time difference of power amount calculation is eliminated and a reasonable calculating result is acquired.
Description
Technical field
The present invention relates to power domain, particularly a kind of control method that is used to improve electric power platform district line loss counting accuracy.
Background technology
Line loss is promptly from supplying power to the electric quantity loss between the sale of electricity, the method for calculating line loss at present be of that month delivery deduct of that month electricity sales amount difference divided by of that month delivery.Because the time difference that electric weight calculates, and the electricity consumption customer type differs, and dissimilar user's electric weight time of entering an item of expenditure in the accounts is different, calculates line loss like this and can produce very big error, and usually line loss per unit reaches a few percent thousand, and data error is bigger.
Summary of the invention
The purpose of this invention is to provide a kind of control method that is used to improve electric power platform district line loss counting accuracy; Through deep research and experiment; Draw the electricity sales amount averaging time in dissimilar districts, and collect delivery and electricity sales amount averaging time, eliminate the time difference that electric weight calculates according to electricity sales amount; Reach the result of reasonable computation, thereby overcome existing the bigger deficiency of district's line loss error of calculation.
In order to achieve the above object, technical scheme of the present invention provides a kind of control method that is used to improve electric power platform district line loss counting accuracy; Said control method comprises following steps:
Step 1, classified in the platform district; That is, according to all electricity consumption clients' in the platform district capacity, will be arbitrarily platform zoning be divided into little subscriber board district, large user Tai Qu, little user and mix the platform district, or the large user mixes the platform district;
Step 2, collect delivery, the electricity sales amount data in platform district and check meter the time; Wherein, with the mean value of time of checking meter of all sale of electricity users in any platform district in any January, be called this district electricity sales amount averaging time of this month;
Step 3, according to platform district delivery and the electricity sales amount collected, according to formula, calculate the line loss per unit in this district; Line loss per unit=(delivery-electricity sales amount)/delivery * 100%.
In the step 1, the foundation of platform region class is:
All electricity consumption client electricity capacities in the Dang Tai district are all less than 100 o'clock, and setting this district is little subscriber board district:
All electricity consumption client electricity capacities in the Dang Tai district are all greater than 100 o'clock, and setting this district is large user's platform district:
Capacity is promptly arranged greater than 100 client in the Dang Tai district, capacity is also arranged less than 100 client, and every month large user's power consumption is less than 40% o'clock, setting this district is that little user mixes the platform district:
Capacity is promptly arranged greater than 100 client in the Dang Tai district, capacity is also arranged less than 100 client, and every month large user's power consumption was set this district and mixed the platform district for the large user greater than 40% o'clock.
In the step 2, the electricity sales amount A1 that sets little subscriber board district is of that month electricity sales amount;
The delivery A2 that sets little subscriber board district is: the time of checking meter is electricity sales amount averaging time moon greater than preceding January, and smaller or equal to all users' of of that month electricity sales amount averaging time electric weight sum;
Then in the step 3, the line loss per unit in little subscriber board district is (A2-A1)/A2 * 100%.
In the step 2, the electricity sales amount B1 that sets large user's platform district is the electricity sales amount in preceding January;
The delivery B2 that sets large user's platform district is: the electricity sales amount averaging time of the time of checking meter greater than preceding the bimester, and smaller or equal to all users' of electricity sales amount averaging time in preceding January electric weight sum;
Then in the step 3, the line loss per unit in large user's platform district is (B2-B1)/B2 * 100%.
In the step 2, set the electricity sales amount C1 that little user mixes the platform district and be:
SX0+SD1/(TD1-TD2)×(TD1-TX1)+SD0/(TD0-TD1)×(TX0-?TD1)；
Wherein, SX0 is of that month little user's a electricity sales amount; SD0 is of that month large user's a electricity sales amount; SD1 is large user's electricity sales amount in preceding January;
TX0 is of that month little user averaging time; TX1 is the little user averaging time in preceding January; TD0 is of that month large user's averaging time; TD1 is large user's averaging time in preceding January; Large user's averaging time bimester that TD2 being preceding;
And, set the delivery C2 that little user mixes the platform district and be: preceding January little user the time of checking meter greater than little user's electricity sales amount averaging time in preceding January, and smaller or equal to all users' of little user's electricity sales amount averaging time in this month electric weight sum;
Then in the step 3, the line loss per unit that little user mixes the platform district is (C2-C1)/C2 * 100%.
In the step 2, the electricity sales amount D1 that the setting large user mixes the platform district is:
SD1+?SX1/(TX1-TX2)×(TX1-?TD2)+?SX0/(?TX0-?TX1)×(TD1-?TX1)；
Wherein, SD1 is large user's electricity sales amount in preceding January; SX0 is of that month little user's electricity sales amount; SX1 is little user's electricity sales amount in preceding January;
TX0 is of that month little user averaging time; TX1 is the little user averaging time in preceding January; Little user averaging time bimester that TX2 being preceding; TD1 is large user's averaging time in preceding January; Large user's averaging time bimester that TD2 being preceding.
Setting the delivery D2 that the large user mixes the platform district is: the large user electricity sales amount averaging time of user's the time of checking meter greater than preceding the bimester, and smaller or equal to all users' of of that month large user's electricity sales amount averaging time delivery sum;
Then in the step 3, the line loss per unit that the large user mixes the platform district is (D2-D1)/D2 * 100%.
Compared with prior art; The control method that is used to improve electric power platform district line loss counting accuracy according to the invention; Its advantage is: at first, among the present invention each zoning is divided into following several types: little subscriber board district, large user Tai Qu, little user mix the platform district and the large user mixes the platform district; Secondly, to different platform district types,, confirm electricity sales amount averaging time, and designed delivery and the electricity sales amount that different formula comes the computer board district respectively according to the check meter present situation of asynchronism(-nization) of different user types; At last, carry out line loss calculating according to delivery of collecting and electricity sales amount.Therefore, the present invention can eliminate the time difference that electric weight calculates, and obtains the result of reasonable computation.
Description of drawings
Fig. 1 is the process flow diagram that is used to improve the control method of electric power platform district line loss counting accuracy according to the invention;
Fig. 2 shows the type and the corresponding line loss computing formula in each district in the control method according to the invention.
Embodiment
Cooperation is referring to illustrated in figures 1 and 2; The control method that is used to improve electric power platform district line loss counting accuracy according to the invention; The technical scheme that adopts is: at first; Different according to platform district type is divided into little subscriber board district, large user's platform district and mixes the platform district, wherein mixes the platform district and can be divided into again that little user mixes the platform district, the large user mixes the platform district.Secondly, confirm electricity sales amount averaging time according to the check meter difference of time of different user types in the enterprise, and collect delivery, electricity sales amount that what is called is meant " electricity sales amount averaging time " mean value of this month all sale of electricity users' of this district the time of checking meter.At last, carrying out line loss according to the confession electricity sales amount of collecting calculates.
The present invention is directed to different platform district types,, designed respectively with different formula and calculated line loss per unit according to the check meter present situation of asynchronism(-nization) of different user types.Concrete, control method according to the invention comprises following steps:
Step 1, classified in the platform district;
Step 1.1, all electricity consumption client electricity capacities of Dang Tai district are set at little subscriber board district all less than 100 o'clock:
Step 1.2, all electricity consumption client electricity capacities of Dang Tai district are set at large user's platform district all greater than 100 o'clock:
Promptly there was capacity in step 1.3, Dang Tai district greater than 100 client, capacity is also arranged less than 100 client, and every month large user's power consumption were set at little user and mix the platform district less than 40% o'clock:
Promptly there was capacity in step 1.4, Dang Tai district greater than 100 client, capacity is also arranged less than 100 client, and every month large user's power consumption were set at the large user and mix the platform district greater than 40% o'clock.
Step 2, collect delivery, electricity sales amount data and check meter the time by the platform district;
Platform district line loss computing method are described for ease, and existing is example with the line loss of calculating certain year Dec, wherein " electricity sales amount averaging time " be meant the mean value of this month all sale of electricity users' of this district the time of checking meter;
Step 2.1, for little subscriber board district, setting its electricity sales amount A1 is the electricity sales amount in Dec;
Setting its delivery A2 is: the time of checking meter is for greater than electricity sales amount averaging time in November, and smaller or equal to all users' of electricity sales amount averaging time in Dec electric weight sum.
Step 2.2, for large user's platform district, setting its electricity sales amount B1 is the electricity sales amount in November;
Setting its delivery B2 is: the time of checking meter is greater than electricity sales amount averaging time in October, and smaller or equal to all users' of electricity sales amount averaging time in November electric weight sum.
Step 2.3, mix the platform district, set its electricity sales amount C1 and be for little user:
SX0+SD1/(TD1-TD2)×(TD1-TX1)+SD0/(TD0-TD1)×(TX0-?TD1)；
Wherein, SX0 is little user's electricity sales amount in Dec; SD0 is large user's electricity sales amount in Dec; SD1 is large user's electricity sales amount in November;
TX0 is little user averaging time in Dec; TX1 is little user averaging time in November; TD0 is large user averaging time in Dec; TD1 is large user averaging time in November; TD2 is large user averaging time in October.
Setting the delivery C2 that little user mixes the platform district is: November little user the time of checking meter greater than little user's electricity sales amount averaging time in November, and smaller or equal to all users' of little user's electricity sales amount averaging time in Dec electric weight sum.
Step 2.4, mix the platform district, set its electricity sales amount D1 and be for the large user:
SD1+?SX1/(TX1-TX2)×(TX1-?TD2)+?SX0/(?TX0-?TX1)×(TD1-?TX1)；
Wherein, SD1 is large user's electricity sales amount in November; SX0 is little user's electricity sales amount in Dec; SX1 is little user's electricity sales amount in November;
TX0 is little user averaging time in Dec; TX1 is little user averaging time in November; TX2 is little user averaging time in October; TD1 is large user averaging time in November; TD2 is large user averaging time in October.
Setting the delivery D2 that the large user mixes the platform district is: user's the time of checking meter is greater than large user's electricity sales amount averaging time in October, and smaller or equal to all users' of large user's electricity sales amount averaging time in Dec delivery sum.
Step 3 computer board district line loss per unit; Carry out line loss calculating according to delivery of collecting and electricity sales amount, computing formula is following:
Line loss per unit=(delivery-electricity sales amount)/delivery * 100%.
That is to say that the line loss per unit in little subscriber board district is (A2-A1)/A2 * 100%, wherein the numerical value of delivery A2 and electricity sales amount A1 is specifically seen the description in the step 2.1.Line loss per unit computing method to other districts are similar, repeat no more.
Although content of the present invention has been done detailed introduction through above-mentioned preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple modification of the present invention with to substitute all will be conspicuous.Therefore, protection scope of the present invention should be limited appended claim.
Claims (6)
1. a control method that is used to improve electric power platform district line loss counting accuracy is characterized in that,
Said control method comprises following steps:
Step 1, classified in the platform district; That is, according to all electricity consumption clients' in the platform district capacity, will be arbitrarily platform zoning be divided into little subscriber board district, large user Tai Qu, little user and mix the platform district, or the large user mixes the platform district;
Step 2, collect delivery, the electricity sales amount data in platform district and check meter the time; Wherein, with the mean value of time of checking meter of all sale of electricity users in any platform district in any January, be called this district electricity sales amount averaging time of this month;
Step 3, according to platform district delivery and the electricity sales amount collected, according to formula, calculate the line loss per unit in this district; Line loss per unit=(delivery-electricity sales amount)/delivery * 100%.
2. be used to improve the control method of electric power platform district line loss counting accuracy according to claim 1, it is characterized in that,
In the step 1, the foundation of platform region class is:
All electricity consumption client electricity capacities in the Dang Tai district are all less than 100 o'clock, and setting this district is little subscriber board district:
All electricity consumption client electricity capacities in the Dang Tai district are all greater than 100 o'clock, and setting this district is large user's platform district:
Capacity is promptly arranged greater than 100 client in the Dang Tai district, capacity is also arranged less than 100 client, and every month large user's power consumption is less than 40% o'clock, setting this district is that little user mixes the platform district:
Capacity is promptly arranged greater than 100 client in the Dang Tai district, capacity is also arranged less than 100 client, and every month large user's power consumption was set this district and mixed the platform district for the large user greater than 40% o'clock.
3. like the said control method that is used to improve electric power platform district line loss counting accuracy of claim 2, it is characterized in that,
In the step 2, the electricity sales amount A1 that sets little subscriber board district is of that month electricity sales amount;
The delivery A2 that sets little subscriber board district is: the time of checking meter is electricity sales amount averaging time moon greater than preceding January, and smaller or equal to all users' of of that month electricity sales amount averaging time electric weight sum;
Then in the step 3, the line loss per unit in little subscriber board district is (A2-A1)/A2 * 100%.
4. like the said control method that is used to improve electric power platform district line loss counting accuracy of claim 2, it is characterized in that,
In the step 2, the electricity sales amount B1 that sets large user's platform district is the electricity sales amount in preceding January;
The delivery B2 that sets large user's platform district is: the electricity sales amount averaging time of the time of checking meter greater than preceding the bimester, and smaller or equal to all users' of electricity sales amount averaging time in preceding January electric weight sum;
Then in the step 3, the line loss per unit in large user's platform district is (B2-B1)/B2 * 100%.
5. like the said control method that is used to improve electric power platform district line loss counting accuracy of claim 2, it is characterized in that,
In the step 2, set the electricity sales amount C1 that little user mixes the platform district and be:
SX0+SD1/(TD1-TD2)×(TD1-TX1)+SD0/(TD0-TD1)×(TX0-?TD1)；
Wherein, SX0 is of that month little user's a electricity sales amount; SD0 is of that month large user's a electricity sales amount; SD1 is large user's electricity sales amount in preceding January;
TX0 is of that month little user averaging time; TX1 is the little user averaging time in preceding January; TD0 is of that month large user's averaging time; TD1 is large user's averaging time in preceding January; Large user's averaging time bimester that TD2 being preceding;
And, set the delivery C2 that little user mixes the platform district and be: preceding January little user the time of checking meter greater than little user's electricity sales amount averaging time in preceding January, and smaller or equal to all users' of little user's electricity sales amount averaging time in this month electric weight sum;
Then in the step 3, the line loss per unit that little user mixes the platform district is (C2-C1)/C2 * 100%.
6. like the said control method that is used to improve electric power platform district line loss counting accuracy of claim 2, it is characterized in that,
In the step 2, the electricity sales amount D1 that the setting large user mixes the platform district is:
SD1+?SX1/(TX1-TX2)×(TX1-?TD2)+?SX0/(?TX0-?TX1)×(TD1-?TX1)；
Wherein, SD1 is large user's electricity sales amount in preceding January; SX0 is of that month little user's electricity sales amount; SX1 is little user's electricity sales amount in preceding January;
TX0 is of that month little user averaging time; TX1 is the little user averaging time in preceding January; Little user averaging time bimester that TX2 being preceding; TD1 is large user's averaging time in preceding January; Large user's averaging time bimester that TD2 being preceding;
Setting the delivery D2 that the large user mixes the platform district is: the large user electricity sales amount averaging time of user's the time of checking meter greater than preceding the bimester, and smaller or equal to all users' of of that month large user's electricity sales amount averaging time delivery sum;
Then in the step 3, the line loss per unit that the large user mixes the platform district is (D2-D1)/D2 * 100%.
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| CN104730393A (en) * | 2015-04-02 | 2015-06-24 | 国家电网公司 | District line loss rate detecting method and system |
| CN105117973A (en) * | 2015-07-31 | 2015-12-02 | 国家电网公司 | Method for determining resident capacity per household classification threshold values based on marketing data and statistics |
| CN105117373A (en) * | 2015-07-31 | 2015-12-02 | 国家电网公司 | Marketing data based determination method for classification threshold of resident capacity duty |
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| CN108038347A (en) * | 2017-12-01 | 2018-05-15 | 国网北京市电力公司 | Line loss per unit acquisition methods and device |
| CN108573454A (en) * | 2017-03-09 | 2018-09-25 | 国网甘肃省电力公司电力科学研究院 | A kind of computational methods of regional distribution network middle pipe lineation damage electricity |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730393A (en) * | 2015-04-02 | 2015-06-24 | 国家电网公司 | District line loss rate detecting method and system |
| CN105117973A (en) * | 2015-07-31 | 2015-12-02 | 国家电网公司 | Method for determining resident capacity per household classification threshold values based on marketing data and statistics |
| CN105117373A (en) * | 2015-07-31 | 2015-12-02 | 国家电网公司 | Marketing data based determination method for classification threshold of resident capacity duty |
| CN105117373B (en) * | 2015-07-31 | 2018-02-13 | 国家电网公司 | Resident's capacity accounting classification thresholds based on marketing data determine method |
| CN105260944A (en) * | 2015-10-10 | 2016-01-20 | 燕山大学 | Method for calculating statistical line loss based on LSSVM (Least Square Support Vector Machine) algorithm and association rule mining |
| CN105488994A (en) * | 2015-12-03 | 2016-04-13 | 国网上海市电力公司 | Electrical transformer district electricity meter dynamic three-phase single phase line loss acquisition method |
| CN108573454A (en) * | 2017-03-09 | 2018-09-25 | 国网甘肃省电力公司电力科学研究院 | A kind of computational methods of regional distribution network middle pipe lineation damage electricity |
| CN107666149A (en) * | 2017-10-23 | 2018-02-06 | 珠海许继芝电网自动化有限公司 | A kind of medium voltage distribution network line loss calculation method |
| CN108038347A (en) * | 2017-12-01 | 2018-05-15 | 国网北京市电力公司 | Line loss per unit acquisition methods and device |
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Effective date of registration: 20121031 Address after: 200002 Nanjing East Road, Shanghai, No. 181, No. Applicant after: Shanghai Electric Power Corporation Applicant after: State Grid Corporation of China Address before: 200002 Nanjing East Road, Shanghai, No. 181, No. Applicant before: Shanghai Electric Power Corporation |
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Application publication date: 20120815 |