CN110045196A - High voltage supply line management line loss checks method - Google Patents
High voltage supply line management line loss checks method Download PDFInfo
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- CN110045196A CN110045196A CN201810035651.2A CN201810035651A CN110045196A CN 110045196 A CN110045196 A CN 110045196A CN 201810035651 A CN201810035651 A CN 201810035651A CN 110045196 A CN110045196 A CN 110045196A
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- G—PHYSICS
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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Abstract
The present invention provides a kind of high voltage supply wire management line loss investigation method, comprising steps of 1. utilizing the existing power information acquisition system of power supply department, with monthly for the period, monitors each high-tension line day line loss per unit data in region within the jurisdiction；2. extract occur day line loss per unit be more than 5% high voltage supply route as target line；3. establishing being associated between the management line loss equivalent current values of target line and the load current of power consumers all in target line；4. current value of each power consumer in target line line loss unqualified day in synchronized sampling target line critical point electric current and target line: 5. extracting the user of doubtful meter misalignment or stealing in target line；6. meter misalignment or stealing user on lock onto target route；7. calculating the few quantity calculation or power-steeling quantity of the meter misalignment or stealing user that lock in target line.The present invention can quickly check out metering misalignment or stealing present in high voltage supply line power user, and be convenient to calculate few quantity calculation or power-steeling quantity.
Description
Technical field
The present invention relates to the improper line loss analyzing methods of power supply line, and in particular to a kind of high voltage supply line management line loss
Investigation method.
Background technique
Line loss is the abbreviation of power grid electric energy loss, and line loss is divided into technical loss and management line loss two parts, wherein managing line
Damage is mainly caused by meter misalignment and client's stealing.It is such as open at present to the line loss common research of power distribution network or power supply line
Number the line loss intelligent Evaluation and aid decision-making system of a kind of power distribution network are disclosed for the Chinese patent literature of CN103914741A；It is public
The number of opening is that the Chinese patent literature of CN105243254A discloses a kind of comprehensive line loss analyzing method.However line loss common at present
Analysis or evaluation method are usually relatively complex, and cannot fast and effeciently be checked out in power supply line by meter misalignment or stealing
Caused management line loss.
In recent years, carrying forward vigorously with state grid corporation of smart grid construction, Open3000 system, D5000 system
(upgrade version of Open3000), power information acquisition system and marketing system are built up and put into operation in succession, and power grid is in real time and non real-time
Information is highly integrated, shared and utilize, and provides comprehensive, complete and fine electric power industry for operations of power networks at different levels and administrative staff
Business data flow.Power supply management department can inquire the electric current of power supply line, electricity by Open3000 system and/or D5000 system
The real time datas such as pressure, electricity and historical data；By power information acquisition system be convenient to power supply line daily loss electricity,
The electricity consumption of line loss per unit and each power consumer, electric current, voltage etc. in real time and history electricity consumption data information, can be square from marketing system
Just the essential informations such as contract capacity, user location and the identity of power consumer are inquired.How above-mentioned power supply department is efficiently used
Existing system and information fast and effeciently check out the management line as caused by meter misalignment or stealing in power supply line
Damage is that power supply department is currently puted forth effort to want the technical issues of solving.
Summary of the invention
The object of the present invention is to provide a kind of high voltage supply line management line losses to check method, and this method utilizes power supply
The existing D5000 system of door or Open3000 system and power information acquisition system data, can quickly check out high voltage supply
Metering misalignment or stealing present in line power user, and be convenient to calculate few meter electricity of meter misalignment or stealing user
Amount or power-steeling quantity.
The technical scheme is that high voltage supply wire management line loss of the invention checks method, include the following steps:
1. utilizing the existing power information acquisition system of power supply department, with monthly for the period, each high pressure in region within the jurisdiction is monitored
Route day line loss per unit data；
2. line loss per unit situation is analyzed to subsisting each high-tension line moon, there is the high pressure that day line loss per unit is more than 5% in extraction
Power supply line is more than 5% to be defined as line loss unqualified day day as target line, and by day line loss per unit；
3. establishing the load current of all power consumers on the management line loss equivalent current values and target line of target line
Between association:
Ig=Ix-Iy (1)
In formula, IgFor the management line loss equivalent current values of target line, IxFor the load of power consumers all in target line
The sum of electric current, IyFor the target line critical point electric current transferred from power supply department D5000 system or Open3000 system；
In formula, n is the quantity of power consumer in target line, IiFor the load current of power consumer a certain in target line
Value, kiFor the load current value of power consumer a certain in target line and the management line loss equivalent current values I of target linegPass
Contact number；
4. synchronized sampling target line critical point electric current IyAnd in target line each power consumer target line line loss not
The current value of qualified day:
The first step transfers target line in line loss unqualified day from power supply department D5000 system or Open3000 system
Critical point electric current IyData are transferred all electric power in the unqualified day target line of line loss from power supply department power information acquisition system and are used
Family current data；
Second step takes n+1 sampling time point, synchronized sampling critical point electric current I in the current data transferredyWith it is all
Power consumer current data；The electric current of each power consumer of sampling is denoted as I11、I12、…I1n、I1n+1, I21、I22、…I2n、
I2n+1... In1、In2、…Inn、Inn+1；And the management line loss of each sampling time point is calculated using formula (1) using the current value of sampling
Equivalent current values are accordingly denoted as Ig1、Ig2、…、Ign、Ign+1；
5. extracting the user of doubtful meter misalignment or stealing in target line:
The data for taking the 1st to n-th sampling time point calculate the association of each power consumer in target line using formula (3)
Coefficient ki, 1~n of i value:
In formula, D and DiIt is obtained by following determinant computation:
If the k value that a certain power consumer calculates is not 0, extracts the power consumer and used as doubtful meter misalignment or stealing
Family；
6. meter misalignment or stealing user on lock onto target route:
The first step takes the data of the 2nd to the (n+1)th sampling time point, and using the algorithm of step 5., second of calculating is extracted
Doubtful meter misalignment or stealing user k value；
Second step calculates doubtful meter misalignment or the absolute value △ K of the difference of k value that stealing user calculates twice, if certain
The △ K < 0.01 of one doubtful meter misalignment or stealing user, then lock the doubtful meter misalignment or stealing user is meter misalignment
Or stealing user；
7. calculating the few quantity calculation or power-steeling quantity of the meter misalignment or stealing user that lock in target line:
The first step calculates few quantity calculation of the meter misalignment or stealing user that lock in target line using formula (4) or steals
Electricity ratio η:
In formula, K is 5. 6. arithmetic average that meter misalignment or stealing user are calculated resulting k value by step twice with step
Value；
Second step calculates few quantity calculation of the meter misalignment or stealing user that lock in target line using formula (5) or steals
Electricity Ws:
In formula, WjFor in the electricity consumption of the meter misalignment of the unqualified day actual acquisition of target line line loss or stealing user.
The present invention has the effect of positive: (1) method is checked using of the invention high voltage supply line management line loss, it can be fast
Speed checks out present in high voltage supply line power user metering misalignment or stealing, and be convenient to calculate meter misalignment or
The few quantity calculation or power-steeling quantity of stealing user.(2) high voltage supply line management line loss of the invention checks method, relies on power supply
The available data of the existing D5000 system of door or Open3000 system, power information acquisition system and marketing system is implemented, real
Now facilitate, cost is relatively low, easy to spread.
Specific embodiment
The present invention will be further described in detail with reference to the specific embodiments.
(embodiment 1)
The high voltage supply wire management line loss of the present embodiment checks method, is implemented by following steps:
1. utilizing the existing power information acquisition system of power supply department, with monthly for the period, each high pressure in region within the jurisdiction is monitored
Route day line loss per unit data.
2. line loss per unit situation is analyzed to subsisting each high-tension line moon, there is the high pressure that day line loss per unit is more than 5% in extraction
Power supply line is more than 5% to be defined as line loss unqualified day day as target line, and by day line loss per unit.
3. establishing the management line loss equivalent current values I of target linegWith the load electricity of power consumers all in target line
Association between stream:
Ig=Ix-Iy (1)
In formula, IxFor the sum of the load current of power consumers all in target line, IyFor the existing D5000 of power supply department
The target line critical point electric current that system or Open3000 system are transferred；The technical loss very little of target line is ignored；
In formula, n is the quantity of power consumer in target line, IiFor the load current of power consumer a certain in target line
Value, kiFor the load current value of power consumer a certain in target line and the management line loss equivalent current values I of target linegPass
Contact number.
4. synchronized sampling target line critical point electric current IyAnd in target line each power consumer target line line loss not
The current value of qualified day:
The first step, using the existing D5000 system of power supply department or Open3000 system transfer target line line loss not
The critical point electric current I of qualified dayyData transfer the unqualified day target of line loss using the existing power information acquisition system of power supply department
All power consumer current datas on route；
Second step takes n+1 sampling time point, synchronized sampling critical point electric current I in the current data transferredyWith it is all
Power consumer current data；The electric current of each power consumer of sampling is denoted as I11、I12、…I1n、I1n+1, I21、I22、…I2n、
I2n+1... In1、In2、…Inn、Inn+1；And the management line loss of each sampling time point is calculated using formula (1) using the current value of sampling
Equivalent current values are accordingly denoted as Ig1、Ig2、…、Ign、Ign+1。
5. extracting doubtful meter misalignment or stealing user in target line:
The data for taking the 1st to n-th sampling time point calculate the association of each power consumer in target line using formula (3)
Coefficient ki, 1~n of i value:
In formula, D and DiIt is obtained by following determinant computation:
If the k value that a certain power consumer calculates is not 0, extracts the power consumer and used as doubtful meter misalignment or stealing
Family.
6. meter misalignment or stealing user on lock onto target route:
The first step takes the data of the 2nd to the (n+1)th sampling time point, and using the algorithm of step 5., second of calculating is extracted
Doubtful meter misalignment or stealing user k value；
Second step calculates doubtful meter misalignment or the absolute value △ K of the difference of k value that stealing user calculates twice, if certain
The △ K < 0.01 of one doubtful meter misalignment or stealing user, then lock the doubtful meter misalignment or stealing user is meter misalignment
Or stealing user.
7. calculating the few quantity calculation or power-steeling quantity of the meter misalignment or stealing user that lock in target line:
The first step calculates few quantity calculation of the meter misalignment or stealing user that lock in target line using formula (4) or steals
Electricity ratio η:
In formula, K is 5. 6. arithmetic average that meter misalignment or stealing user are calculated resulting k value by step twice with step
Value.
Second step calculates few quantity calculation of the meter misalignment or stealing user that lock in target line using formula (5) or steals
Electricity Ws:
In formula, WjFor in the electricity consumption of the meter misalignment of the unqualified day actual acquisition of target line line loss or stealing user.
Claims (1)
1. a kind of high voltage supply wire management line loss checks method, which comprises the steps of:
1. utilizing the existing power information acquisition system of power supply department, with monthly for the period, each high-tension line in region within the jurisdiction is monitored
Day line loss per unit data；
2. line loss per unit situation is analyzed to subsisting each high-tension line moon, there is the high voltage supply that day line loss per unit is more than 5% in extraction
Route is more than 5% to be defined as line loss unqualified day day as target line, and by day line loss per unit；
3. establishing on the management line loss equivalent current values and target line of target line between the load current of all power consumers
Association:
Ig=Ix-Iy (1)
In formula, IgFor the management line loss equivalent current values of target line, IxFor the load current of power consumers all in target line
The sum of, IyFor the target line critical point electric current transferred from power supply department D5000 system or Open3000 system；
In formula, n is the quantity of power consumer in target line, IiFor the load current value of power consumer a certain in target line, ki
For the load current value of power consumer a certain in target line and the management line loss equivalent current values I of target linegAssociation system
Number；
4. synchronized sampling target line critical point electric current IyAnd in target line each power consumer in target line line loss unqualified day
Current value:
The first step transfers target line at the critical point of line loss unqualified day from power supply department D5000 system or Open3000 system
Electric current IyData transfer all power consumer electricity in the unqualified day target line of line loss from power supply department power information acquisition system
Flow data；
Second step takes n+1 sampling time point, synchronized sampling critical point electric current I in the current data transferredyIt is used with all electric power
Family current data；The electric current of each power consumer of sampling is denoted as I11、I12、…I1n、I1n+1, I21、I22、…I2n、I2n+1... In1、
In2、…Inn、Inn+1；And the management line loss equivalent current values of each sampling time point are calculated using formula (1) using the current value of sampling,
Accordingly it is denoted as Ig1、Ig2、…、Ign、Ign+1；
5. extracting the user of doubtful meter misalignment or stealing in target line:
The data for taking the 1st to n-th sampling time point calculate the incidence coefficient of each power consumer in target line using formula (3)
ki, 1~n of i value:
In formula, D and DiIt is obtained by following determinant computation:
If the k value that a certain power consumer calculates is not 0, the power consumer is extracted as doubtful meter misalignment or stealing user；
6. meter misalignment or stealing user on lock onto target route:
The first step takes the data of the 2nd to the (n+1)th sampling time point, and using the algorithm of step 5., what second of calculating was extracted is doubted
Like meter misalignment or the k value of stealing user；
Second step calculates doubtful meter misalignment or the absolute value △ K of the difference of k value that stealing user calculates twice, if a certain doubt
Like meter misalignment or the △ K < 0.01 of stealing user, then locks the doubtful meter misalignment or stealing user is meter misalignment or steals
Electric user；
7. calculating the few quantity calculation or power-steeling quantity of the meter misalignment or stealing user that lock in target line:
The first step calculates the few quantity calculation or power-steeling quantity of the meter misalignment or stealing user that lock in target line using formula (4)
Ratio η:
In formula, K is 5. 6. arithmetic mean of instantaneous value that meter misalignment or stealing user are calculated resulting k value by step twice with step；
Second step calculates the few quantity calculation or power-steeling quantity of the meter misalignment or stealing user that lock in target line using formula (5)
Ws:
In formula, WjFor in the electricity consumption of the meter misalignment of the unqualified day actual acquisition of target line line loss or stealing user.
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| CN201810035651.2A CN110045196B (en) | 2018-01-15 | 2018-01-15 | High-voltage power supply line management line loss checking method |
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| CN201810035651.2A CN110045196B (en) | 2018-01-15 | 2018-01-15 | High-voltage power supply line management line loss checking method |
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| CN110045196B CN110045196B (en) | 2020-12-22 |
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Cited By (2)
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| CN112200345A (en) * | 2020-08-28 | 2021-01-08 | 国网青海省电力公司西宁供电公司 | Method for tracking module of power grid power supply point |
| CN112684248A (en) * | 2020-12-29 | 2021-04-20 | 广东电网有限责任公司中山供电局 | High-risk electric energy metering device locking method based on data backflow |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112200345A (en) * | 2020-08-28 | 2021-01-08 | 国网青海省电力公司西宁供电公司 | Method for tracking module of power grid power supply point |
| CN112684248A (en) * | 2020-12-29 | 2021-04-20 | 广东电网有限责任公司中山供电局 | High-risk electric energy metering device locking method based on data backflow |
| CN112684248B (en) * | 2020-12-29 | 2022-03-29 | 广东电网有限责任公司中山供电局 | High-risk electric energy metering device locking method based on data backflow |
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