CN105117854B - A kind of taiwan area low pressure split-phase line loss management system of local electric network and method - Google Patents
A kind of taiwan area low pressure split-phase line loss management system of local electric network and method Download PDFInfo
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Abstract
The invention discloses a kind of taiwan area low pressure split-phase line loss management system of local electric network, including main three-phase circuit, the main distribution transformer being arranged on main three-phase circuit, each secondary three-phase circuit being connected on main three-phase circuit, it is connected to N number of electricity consumption region on secondary three-phase circuit, further include management platform, the three-phase incoming end of the total split-phase gauge table of three be arranged in each phase of main distribution step down side, each electricity consumption region is correspondingly arranged a secondary split-phase gauge table.The present invention can effectively solve the problem that existing taiwan area line loss management system of local electric network carrys out the problem of arriving each phase line loss management of computing of A, B, C three-phase without fining of integrated management line loss both for taiwan area or different voltages grade, can be widely applied for taiwan area low pressure split-phase line loss management system of local electric network field.
Description
Technical field
The present invention relates to a kind of taiwan area low pressure split-phase line loss management system of local electric network and based on the management method of the system.
Background technology
In China there are the small county in many mountain areas, industrial foundation weakness county economy is less-developed.Power load is small, does not collect
In, power supply area is wide, and 10kV circuits are long, public distribution transforming is more, and client specially tails off, and industry watt-hour meter is small, low pressure electricity sales amount is accounted for and entirely sold
Electricity proportion is more than the objective factors such as 50%, is company of Yixian County realities of the day situation.This special real objective condition, structure
The extremely unreasonable realistic situation of Cheng Liaowo companies power structure and our realistic problems to be faced.Simultaneously as living photo
Three kinds of loads such as bright, non-residence, for money, account for entire power load nearly 60%, concentrate on the frequency height of evening peak period electricity consumption, use
Electric peak duration is short, low-valley interval load only has the 10% of peak period load；Public distribution transforming in the evening peak period,
It is very universal to there is the phenomenon that low-voltage in low-voltage line trackside.
Line loss mesolow line loss accounts for very big share, after especially the upgrading of rural power grids is implemented, everybody to Low-voltage Line Loss increasingly
Pay attention to, but current line loss management system of local electric network both for taiwan area or different voltages grade come integrated management line loss without essence
It is refine to each phase line loss management of computing of A, B, C three-phase, operability, practicability be not strong in the management of rural area Low-voltage Line Loss, it is more difficult to
Determine the big precise location of line loss.But according to the development of power industry from the point of view of, line loss split-phase wire management is easier
The problem of finding taiwan area Controlling line loss, this development trend of Low-voltage Line Loss split-phase wire management is inevitable, it should be established
A set of perfect management system carries out science, effectively manages.
The content of present invention
The object of the present invention is to provide a kind of taiwan area low pressure split-phase line loss management system of local electric network, solve existing taiwan area line management
The problem of system not enough refines the management of three-phase equilibrium and line loss.
The technical solution adopted by the present invention to solve the technical problems is：A kind of taiwan area low pressure split-phase line loss management system of local electric network,
Including main three-phase circuit, the main distribution transformer being arranged on main three-phase circuit, each secondary three be connected on main three-phase circuit
Circuitry phase is connected to N number of electricity consumption region on secondary three-phase circuit, further includes management platform, is arranged in main distribution transformation
Three total split-phase gauge tables in each phase of device low-pressure side, secondary three-phase circuit correspond to the three-phase phase of each electricity consumption region incoming end
A secondary split-phase gauge table is respectively provided on position；
Management platform includes for acquiring customer basis information, customer electricity information, total split-phase gauge table information, secondary fraction
The data information acquisition unit of phase gauge table information, client's load data information, for received from data information acquisition unit
Data calculate the analysis computing unit of analysis, show that the data output displaying of each data information is single for externally exporting
Member, for storing the database for calculating cell data received from data information acquisition unit and analysis；
It includes for according to customer basis information, customer electricity information, client's load data information pair to analyze computing unit
Customer electricity property and electricity consumption period are judged, and client is pressed power load average mark according to load nature of electricity consumed and electricity consumption period
It is fitted on the three-phase of main three-phase circuit and secondary three-phase circuit, while the client of Relatively centralized is divided into the three of same electricity consumption region
Phase load balances division unit；For according to the data information received from each total split-phase gauge table and each secondary split-phase gauge table,
Judge whether the corresponding three-phase of each electricity consumption region incoming end, each secondary three-phase circuit three-phase and main three-phase circuit three-phase balance three
Balance each other judging unit；For according to each total split-phase meter data information and each secondary split-phase gauge table stored in database
Data information, obtain each single-phase monthly, season or the line loss value in year and the line loss calculation unit of line loss per unit.
Preferably, data output display unit includes for showing that the first display of each total split-phase meter data information is single
Member, the second display unit for showing each secondary split-phase meter data information.
Preferably, data output display unit further includes the alarm prompt unit to connect with three-phase equilibrium judging unit, is accused
Alert prompt unit corresponds to main distribution step down side and each electricity consumption region incoming end is respectively arranged with alarm prompt module；Alarm
Reminding module includes buzzer and warning lamp.
A kind of taiwan area low pressure split-phase Controlling line loss method, includes the following steps：
Step 1, by three-phrase burden balance division unit by client by power load be evenly distributed to main three-phase circuit and
In each phase of secondary three-phase circuit；Include the following steps：
A, the client of Relatively centralized is divided to by basis by the collected customer basis information of data information acquisition unit
One electricity consumption region will be connected to the electricity consumption region on same secondary three-phase circuit according to the circuit length apart from main three-phase circuit
Be divided into from the near to the distant the 1st electricity consumption region, the 2nd electricity consumption region ..., N electricity consumptions region；
B, basis passes through the collected customer basis information of data information acquisition unit, customer electricity information, client's load
Data information judges customer electricity property and electricity consumption period, and will belong to N according to load nature of electricity consumed and electricity consumption period and use
The client in electric region is evenly distributed to by power load on the three-phase of secondary three-phase circuit as far as possible；
It c, will on the basis of power load data on the three-phase for being included in the secondary three-phase circuit after b step is distributed
The client in N-1 electricity consumptions region is evenly distributed to according to step b the methods on the three-phase of secondary three-phase circuit as far as possible, with this
Analogize, until the client in the 1st electricity consumption region is evenly distributed to as far as possible on the three-phase of secondary three-phase circuit；
Step 2, by three-phase equilibrium judging unit, according to received from total split-phase gauge table and each secondary split-phase gauge table
Data, judge each electricity consumption region, each secondary three-phase circuit and main three-phase circuit whether three-phase equilibrium；It is set if three phase differences reach
When definite value, alarm signal is sent to corresponding alarm prompt module, to open buzzer and warning lamp；
Step 3, by line loss calculation unit, monthly, season or year each total split-phase being stored in database 11 is measured
The data information of table data information and each secondary split-phase gauge table is calculated, and each phase of main three-phase circuit, each secondary three are obtained
The line loss value and line loss per unit of each phase of circuitry phase, the corresponding each phase in each electricity consumption region on-position, and result is exported to number
According to output display unit.
In order to enable the three-phase of main three-phase circuit balances as far as possible, further includes step d in step 1, pass through step a, b, c
The method will be on client's three-phase to each secondary three-phase circuit as average as possible；According to each phase electricity consumption of each secondary three-phase circuit
Load data, calculates each phase power load data of main three-phase circuit, and judge main three-phase circuit whether three-phase equilibrium, if
Imbalance, then by adjusting the access sequence of the corresponding main three-phase circuit three-phase of each secondary three-phase circuit three so that main three-phase electricity
The three-phase on road balances as far as possible..
Beneficial effects of the present invention：Pass through the three-phase that is accessed to each electricity consumption region, the three-phase of each secondary three-phase circuit and master
The three-phase of three-phase circuit realizes that the most probably balance of power load divides, and to achieve the purpose that three-phase equilibrium, while passing through three-phase
Balance judging unit monitor in real time the three-phase of each electricity consumption region access, the three-phase of each secondary three-phase circuit and main three-phase circuit three
Mutually whether balance, in order to which personnel realize the monitoring to circuit, and the number that display unit externally exports displaying is exported according to data
According to convenient for Real-time Monitor Management three-phase circuit.Line loss calculation unit can precisely obtain each electricity consumption region access phase, secondary three-phase
Each phase of circuit, the monthly of each phase of main three-phase circuit, season, annual line loss value and line loss per unit.
With reference to the accompanying drawings and examples, invention is further described in detail.
Description of the drawings
Fig. 1 is the scheme of installation of total split-phase gauge table and secondary split-phase gauge table.
Fig. 2 is the structure diagram of the present invention.
Specific implementation mode
Embodiment 1, a kind of taiwan area low pressure split-phase line loss management system of local electric network as shown in Figure 1 and Figure 2, including main three-phase circuit 1,
The main distribution transformer 2 being arranged on main three-phase circuit 1, each secondary three-phase circuit 3 being connected on main three-phase circuit 1, respectively
It is connected to N number of electricity consumption region 4 on secondary three-phase circuit 3, it is characterised in that：Further include management platform 7, setting becomes in main distribution
Three total split-phase gauge tables 5 in each phase of 2 low-pressure side of depressor, secondary three-phase circuit 3 correspond to each 4 incoming end of electricity consumption region
A secondary split-phase gauge table 6 is respectively provided on three-phase phase；
Management platform 7 includes for acquiring customer basis information, customer electricity information, total split-phase gauge table information, secondary
The data information acquisition unit 8 of split-phase gauge table information, client's load data information, for received from data information acquisition list
The data of member 8 calculate the analysis computing unit 9 of analysis, for externally exporting the data output displaying for showing each data information
Unit 10, for storing the database 11 received from data information acquisition unit 8 and analysis 9 data of computing unit；Data information
Collecting unit 8 can also be used for acquiring distribution GIS information.
It includes for according to customer basis information, customer electricity information, client's load data information pair to analyze computing unit 9
Customer electricity property and electricity consumption period are judged, and client is pressed power load average mark according to load nature of electricity consumed and electricity consumption period
It is fitted on the three-phase of main three-phase circuit 1 and secondary three-phase circuit 3, while the client of Relatively centralized is divided into same electricity consumption region 4
Three-phrase burden balance division unit 12；For according to the number received from each total split-phase gauge table 5 and each secondary split-phase gauge table 6
It is believed that breath, judges that the corresponding three-phase of each 4 incoming end of electricity consumption region, each secondary 3 three-phase of three-phase circuit and 1 three-phase of main three-phase circuit are
The three-phase equilibrium judging unit 13 of no balance；For according to each total split-phase meter data information stored in database 11 and respectively
The data information of secondary split-phase gauge table obtains each single-phase monthly, season, the line loss value in year and the line loss calculation list of line loss per unit
Member 17.
Data output display unit 10 includes the first display unit for showing each total 5 data information of split-phase gauge table
14, the second display unit 15 for showing each secondary 6 data information of split-phase gauge table.
It further includes the alarm prompt unit 16 to connect with three-phase equilibrium judging unit 13 that data, which export display unit 10, alarm
Prompt unit 16 corresponds to 2 low-pressure side of main distribution transformer and each 4 incoming end of electricity consumption region is respectively arranged with alarm prompt module；It accuses
Alert reminding module includes buzzer and warning lamp.
Embodiment 2, a kind of taiwan area low pressure split-phase line loss based on taiwan area low pressure split-phase line loss management system of local electric network described in embodiment 1
Management method includes the following steps：
Client is evenly distributed to main three-phase electricity by step (1) by three-phrase burden balance division unit 12 by power load
In each phase of road 1 and secondary three-phase circuit 3；Include the following steps：
A, the client of Relatively centralized is divided to by basis by 8 collected customer basis information of data information acquisition unit
One electricity consumption region 4 will be connected to the electricity consumption region 4 on same secondary three-phase circuit 3 according to the circuit apart from main three-phase circuit 1
Length be divided into from the near to the distant the 1st electricity consumption region, the 2nd electricity consumption region ..., N electricity consumptions region；
B, basis passes through 8 collected customer basis information of data information acquisition unit, customer electricity information, client's load
Data information judges customer electricity property and electricity consumption period, and will belong to N according to load nature of electricity consumed and electricity consumption period and use
The client in electric region is evenly distributed to by power load on the three-phase of secondary three-phase circuit 3 as far as possible；
It c, will on the basis of power load data on the three-phase for being included in the secondary three-phase circuit 3 after b step is distributed
The client in N-1 electricity consumptions region is evenly distributed to according to step b the methods on the three-phase of secondary three-phase circuit 3 as far as possible, with
This analogizes, until the client in the 1st electricity consumption region is evenly distributed to as far as possible on the three-phase of secondary three-phase circuit 3；
Step (2), by three-phase equilibrium judging unit 13, according to received from total split-phase gauge table 5 and each secondary split-phase meter
The data of scale 6, judge each electricity consumption region 4, each secondary three-phase circuit 3 and main three-phase circuit 1 whether three-phase equilibrium；If three-phase
When difference reaches setting value, alarm signal is sent to corresponding alarm prompt module, to open buzzer and warning lamp, is reminded
Staff；
Step 3, by line loss calculation unit 17, monthly, season or year be to each total split-phase meter for being stored in database 11
The data information of scale data information and each secondary split-phase gauge table is calculated, and 1 each phase of main three-phase circuit, each secondary are obtained
The line loss value and line loss per unit of 3 each phase of three-phase circuit, the corresponding each phase in each electricity consumption region on-position, and by result export to
Data export display unit 10.
In order to enable each of main three-phase circuit 3 mutually also achievees the purpose that three-phase equilibrium, further includes step d in step 1, lead to
Crossing step a, b, c the method will be on client's three-phase to each secondary three-phase circuit 3 as average as possible；According to each secondary three-phase electricity
Each phase power load data on road 3, calculate each phase power load data of main three-phase circuit 3, and judge that main three-phase circuit 3 is
No three-phase equilibrium, if uneven, by adjusting the access of corresponding 1 three-phase of main three-phase circuit of each secondary three-phase circuit 3 three
Sequentially so that the three-phase of main three-phase circuit 3 balances as far as possible.
Claims (5)
1. a kind of taiwan area low pressure split-phase line loss management system of local electric network, including main three-phase circuit (1) are arranged on main three-phase circuit (1)
Main distribution transformer (2), each secondary three-phase circuit (3) being connected on main three-phase circuit (1), is connected to secondary three-phase electricity
N number of electricity consumption region (4) on road (3), it is characterised in that：Further include management platform (7), setting is low in main distribution transformer (2)
Three total split-phase gauge tables (5) in each phase in side are pressed, corresponding each electricity consumption region (4) incoming end of secondary three-phase circuit (3)
A secondary split-phase gauge table (6) is respectively provided on three-phase phase；
Management platform (7) includes for acquiring customer basis information, customer electricity information, total split-phase gauge table information, secondary fraction
The data information acquisition unit (8) of phase gauge table information, client's load data information, for received from data information acquisition list
The data of first (8) calculate the analysis computing unit (9) of analysis, for externally exporting the data output for showing each data information
Display unit (10), the database for storing received from data information acquisition unit (8) and analyzing computing unit (9) data
(11)；
Analysis computing unit (9) include for according to customer basis information, customer electricity information, client's load data information to visitor
Family load nature of electricity consumed and electricity consumption period are judged, and client is pressed power load mean allocation according to load nature of electricity consumed and electricity consumption period
To the three-phase of main three-phase circuit (1) and secondary three-phase circuit (3), while the client of Relatively centralized is divided into same electricity consumption region
(4) three-phrase burden balance division unit (12)；For according to received from each total split-phase gauge table (5) and each secondary split-phase metering
The data information of table (6) judges the corresponding three-phase of each electricity consumption region (4) incoming end, each secondary three-phase circuit (3) three-phase and main three
The three-phase equilibrium judging unit (13) whether circuitry phase (1) three-phase balances；For according to each total score in storage database (11)
The data information of phase meter data information and each secondary split-phase gauge table, obtains the line loss value in each single-phase monthly, season, year
With the line loss calculation unit (17) of line loss per unit.
2. taiwan area low pressure split-phase line loss management system of local electric network according to claim 1, it is characterised in that：Data export display unit
(10) include for showing the first display unit (14) of each total split-phase gauge table (5) data information, for showing each secondary fraction
Second display unit (15) of phase gauge table (6) data information.
3. taiwan area low pressure split-phase line loss management system of local electric network according to claim 2, it is characterised in that：Data export display unit
(10) further include the alarm prompt unit (16) to connect with three-phase equilibrium judging unit (13), the corresponding master of alarm prompt unit (16)
Distribution transformer (2) low-pressure side and each electricity consumption region (4) incoming end are respectively arranged with alarm prompt module；Alarm prompt module packet
Include buzzer and warning lamp.
4. a kind of taiwan area low pressure split-phase Controlling line loss method, it is characterised in that：Include the following steps：
Client is evenly distributed to main three-phase circuit (1) by step 1 by three-phrase burden balance division unit (12) by power load
In each phase of secondary three-phase circuit (3)；Include the following steps：
A, the client of Relatively centralized is divided to one according to by data information acquisition unit (8) collected customer basis information
A electricity consumption region (4) will be connected to the electricity consumption region (4) on same secondary three-phase circuit (3) according to apart from main three-phase circuit (1)
Circuit length be divided into from the near to the distant the 1st electricity consumption region, the 2nd electricity consumption region ..., N electricity consumptions region；
B, basis passes through the collected customer basis information of data information acquisition unit (8), customer electricity information, client's load number
It is believed that breath judges customer electricity property and electricity consumption period, and N electricity consumptions will be belonged to according to load nature of electricity consumed and electricity consumption period
The client in region is evenly distributed to by power load on the three-phase of secondary three-phase circuit (3) as far as possible；
C, on the basis of power load data on the three-phase for the secondary three-phase circuit (3) being included in after b step is distributed, by
The client in N-1 electricity consumptions region is evenly distributed to according to step b the methods on the three-phase of secondary three-phase circuit (3) as far as possible, with
This analogizes, until the client in the 1st electricity consumption region is evenly distributed to as far as possible on the three-phase of secondary three-phase circuit (3)；
Step 2, by three-phase equilibrium judging unit (13), according to received from total split-phase gauge table (5) and each secondary split-phase metering
The data of table (6), judge each electricity consumption region (4), each secondary three-phase circuit (3) and main three-phase circuit (1) whether three-phase equilibrium；Such as
When three phase difference of fruit reaches setting value, alarm signal is sent to corresponding alarm prompt module, to open buzzer and warning
Lamp；
Step 3, by line loss calculation unit (17), monthly, season or year be to each total split-phase meter for being stored in database (11)
The data information of scale data information and each secondary split-phase gauge table is calculated, obtain each phase of main three-phase circuit (1), each time
Each phase of grade three-phase circuit (3), the line loss value and line loss per unit of the corresponding each phase in each electricity consumption region on-position, and result is defeated
Go out to data output display unit (10).
5. taiwan area low pressure split-phase Controlling line loss method according to claim 4, it is characterised in that：Further include in step 1
Step d is averagely arrived client on the three-phase of each secondary three-phase circuit (3) by step a, b, c the method as far as possible；According to each
Each phase power load data of secondary three-phase circuit (3), calculate each phase power load data of main three-phase circuit (3), and sentence
Main three-phase circuit (3) of breaking whether three-phase equilibrium, if uneven, by adjusting each secondary (3) three corresponding master of three-phase circuit
The access sequence of three-phase circuit (1) three-phase so that the three-phase of main three-phase circuit (3) balances as far as possible.
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| CN107863770B (en) * | 2017-09-30 | 2021-06-15 | 国网上海市电力公司 | Method for judging abnormal reason of line loss rate of low-voltage transformer area |
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