CN106684894A - Method and device for regulating three-phase loads of low-voltage power grid - Google Patents
Method and device for regulating three-phase loads of low-voltage power grid Download PDFInfo
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- CN106684894A CN106684894A CN201611148717.6A CN201611148717A CN106684894A CN 106684894 A CN106684894 A CN 106684894A CN 201611148717 A CN201611148717 A CN 201611148717A CN 106684894 A CN106684894 A CN 106684894A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/26—Arrangements for eliminating or reducing asymmetry in polyphase networks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
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Abstract
The invention discloses a method and device for regulating three-phase loads of a low-voltage power grid. The method comprises the following steps: acquiring a historical load record of each user in a preset low-voltage power grid area, wherein the historical load record comprises load parameters and acquisition time corresponding to the load parameters; determining an electricity consumption law curve of each user according to the historical load record of each user; and according to the electricity consumption law curve of each user, determining the load distribution on three-phase in the preset low-voltage power grid area so that the loads on the three-phase reach a preset balance condition. The method for regulating the three-phase loads of the low-voltage power grid provided by the invention solves the technical problem in the related technology that the three-phase loads in the low-voltage power grid cannot be effectively balanced.
Description
Technical field
The present invention relates to power domain, in particular to a kind of regulation and control method and apparatus of low voltage electric network three-phase load.
Background technology
The three-phase imbalance of low voltage electric network is always one of the subject matter for perplexing power supply unit, low voltage electric network be mostly through
After the transformer pressure-reducing of 10/0.4KV, with three-phase four-wire system to customer power supply, low voltage electric network is three-phase productive power negative with single-phase
Carry the supply network of mixing electricity consumption.In the single-phase user of attaching, single-phase load should be balancedly tapped at A, B, C by power supply department
On three-phase.But in real work and operation, the mark of circuit, connect electric personnel carelessness along with due to single-phase user can not
Asynchronism of increase-volume, the access of great power single phase load and single-phase load electricity consumption etc. is controlled, threephase load is all caused not
Balance.If low voltage electric network runs in the case where three-phase load unbalance degree is larger, it will made with electrical equipment to low voltage electric network
Into harmful effect.
For the technical problem of the load that three-phase in low voltage electric network can not be effectively balanced in correlation technique, not yet carry at present
Go out effective solution.
The content of the invention
A kind of regulation and control method and apparatus of low voltage electric network three-phase load are the embodiment of the invention provides, at least to solve correlation
The technical problem of the load of three-phase in low voltage electric network can not be effectively balanced in technology.
A kind of one side according to embodiments of the present invention, there is provided regulation and control method of low voltage electric network three-phase load, including：
Obtain the historical load record of each user in pre-set low pressure Grid, wherein, historical load record include load parameter with
The corresponding acquisition time of load parameter；Historical load record according to each user determines the electricity consumption law curve of each user；
Electricity consumption law curve according to each user determines sharing of load in pre-set low pressure Grid on three-phase so that on three-phase
Load reaches default equilibrium condition.
Further, the historical load record for obtaining each user in pre-set low pressure Grid includes：According to it is default when
Between interval carry out sampling processing, wherein, sampling processing be gather pre-set low pressure Grid in all users load parameter；Really
The time of fixed each sampling processing, the historical load record according to each user determines the electricity consumption law curve bag of each user
Include：The load parameter of each user and the relation curve of time are drawn respectively.
Further, the electricity consumption law curve according to each user determines the load in pre-set low pressure Grid on three-phase
Distribution is so that the load on three-phase reaches default equilibrium condition and includes：Determine three default balance strips of phase line in preset period of time
Part；The corresponding annexation of three phase lines and all users in preset period of time is determined according to default equilibrium condition；According to it is default when
Phase line of the corresponding annexation of three phase lines and all users to all users in preset period of time is adjusted in section.
Further, all users include first user, corresponding with all users according to three phase lines in preset period of time
Annexation the phase line of all users is adjusted in preset period of time including：First user is determined according to correspondence annexation
The phase line of connection is needed in preset period of time；The current connected phase line of detection first user；Judge first in preset period of time
Whether the current connected phase line of user is the phase line determined according to correspondence annexation；If it is judged that be no, by
The phase line of one user connection switches to the phase line determined according to correspondence annexation.
Further, determine that three phase line connections corresponding with all users are closed in preset period of time according to default equilibrium condition
System includes：Determined in preset period of time according to the load parameter of each user and the relation curve of time by big data analysis method
The corresponding annexation of three phase lines and all users, so that three phase lines are reached in preset period of time internal loading time curve
The error of waveform default equilibrium condition within a preset range.
Another aspect according to embodiments of the present invention, additionally provides a kind of regulation device of low voltage electric network three-phase load, bag
Include：Acquiring unit, the historical load for obtaining each user in pre-set low pressure Grid is recorded, wherein, historical load note
Record includes load parameter and the corresponding acquisition time of load parameter；First determining unit, for negative according to the history of each user
Lotus record determines the electricity consumption law curve of each user；Second determining unit, for the electricity consumption law curve according to each user
The sharing of load in pre-set low pressure Grid on three-phase is determined so that the load on three-phase reaches default equilibrium condition.
Further, acquiring unit includes：Sampling module, for carrying out sampling processing according to prefixed time interval, wherein,
Sampling processing is the load parameter for gathering all users in pre-set low pressure Grid；Determining module, for determining sampling every time
The time for the treatment of, the first determining unit includes：Drafting module, for drawing the load parameter of each user and the pass of time respectively
It is curve.
Further, the second determining unit includes：First determining module, for determining in preset period of time the pre- of three phase lines
If equilibrium condition；Second determining module, for determining three phase lines and all users in preset period of time according to default equilibrium condition
Corresponding annexation；Adjusting module, for existing with the corresponding annexation of all users according to three phase lines in preset period of time
Phase line in preset period of time to all users is adjusted.
Further, all users include first user, and adjusting module includes：Determination sub-module, for being connected according to correspondence
The relation of connecing determines that first user needs the phase line of connection in preset period of time；Detection sub-module, for detecting that first user is current
The phase line for being connected；Judging submodule, for judging whether the current connected phase line of first user is root in preset period of time
According to the phase line that correspondence annexation is determined；Switching submodule, for if it is judged that being phase no, that first user is connected
Line switches to the phase line determined according to correspondence annexation.
Further, the second determining module includes：Calculating sub module, for being used according to each by big data analysis method
The load parameter at family and the relation curve of time determine the corresponding annexation of three phase lines and all users in preset period of time, with
Three phase lines are made to reach the error default balance strip within a preset range in preset period of time internal loading time curve waveform
Part.
In embodiments of the present invention, recorded by obtaining the historical load of each user in pre-set low pressure Grid, its
In, historical load record includes load parameter and the corresponding acquisition time of load parameter；Historical load note according to each user
Record determines the electricity consumption law curve of each user；Electricity consumption law curve according to each user is determined in pre-set low pressure Grid
So that the load on three-phase reaches default equilibrium condition, solving in correlation technique can not effective Horizon for sharing of load on three-phase
The technical problem of the load of three-phase in weighing apparatus low voltage electric network, and then realize the technology of three-phase load in effectively balance low voltage electric network
Effect.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the flow chart of the regulation and control method of a kind of optional low voltage electric network three-phase load according to embodiments of the present invention；
Fig. 2 is the schematic diagram of a kind of optional low voltage electric network user terminal three-phase regulation device according to embodiments of the present invention；
Fig. 3 is the schematic diagram of the regulation device of a kind of optional low voltage electric network three-phase load according to embodiments of the present invention.
Specific embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, is clearly and completely described to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only
The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, should all belong to the model of present invention protection
Enclose.
It should be noted that term " first ", " in description and claims of this specification and above-mentioned accompanying drawing
Two " it is etc. for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so using
Data can exchange in the appropriate case, so as to embodiments of the invention described herein can with except illustrating herein or
Order beyond those of description is implemented.Additionally, term " comprising " and " having " and their any deformation, it is intended that cover
Lid is non-exclusive to be included, for example, the process, method, system, product or the equipment that contain series of steps or unit are not necessarily limited to
Those steps or unit clearly listed, but may include not list clearly or for these processes, method, product
Or other intrinsic steps of equipment or unit.
According to the embodiment of the present application, there is provided a kind of regulation and control method of low voltage electric network three-phase load.
Fig. 1 is the flow chart of the regulation and control method of a kind of optional low voltage electric network three-phase load according to embodiments of the present invention,
As shown in figure 1, the method comprises the following steps：
Step S101, obtains the historical load record of each user in pre-set low pressure Grid, wherein, historical load note
Record includes load parameter and the corresponding acquisition time of load parameter；
Step S102, the historical load record according to each user determines the electricity consumption law curve of each user；
Step S103, the electricity consumption law curve according to each user determines the load in pre-set low pressure Grid on three-phase
Distribution is so that the load on three-phase reaches default equilibrium condition.
Above-mentioned steps are further explained below are described as follows：
Pre-set low pressure Grid is one piece of region to be regulated and controled, to the load of each user in pre-set low pressure Grid
It is acquired and records, gets the load record of all users in the region.Load record can include load parameter and be somebody's turn to do
The corresponding acquisition time of load parameter.Load parameter can be the electrical parameters such as voltage, electric current, power.
After the historical load record for obtaining each user in pre-set low pressure Grid, according to the history of each user
Load record determines the electricity consumption law curve of each user.Electricity consumption law curve is the load parameter of user and between the time
The curve of relation.Determining the electricity consumption law curve of each user can determine that peak of power consumption and low power consumption of user etc. are believed
Breath, is specifically embodied in the waveform of electricity consumption law curve.
It is determined that after the electricity consumption law curve of each user, the electricity consumption law curve according to each user determines default low
Sharing of load in piezoelectricity web area on three-phase is so that the load on three-phase reaches default equilibrium condition.
Power network has three phase lines, if the load secular disequilibrium in every phase line, easily to the electrical equipment in power network
Etc. having undesirable effect.By determining the electricity consumption law curve of each user, the user of different load rule can be assigned to
In three phase lines so that in the load substantial equilibrium of same time in three phase lines, load error is in preset range.To each use
The load adjustment at family can be using the phase change method of manual commutation, and relevant staff is according to the data result after analysis in Tai Qu
The manual commutation in rear end of transformer is distributed with performing customer charge.Or, can also be using changing to the load adjustment of each user
The switching mode of phase device control, as shown in Fig. 2 adding commutation device between power network and user terminal, commutation device can connect
By the control of system platform selected in A, B, C three-phase one meet user terminal connect.The switching mode of system platform can be logical
Control switching manually is crossed, for example, the phase line that user terminal is connected is switched by modes such as staff's controlling switches, or, also may be used
The control instruction of commutation is sent to indicate commutation device to be connected to user terminal to commutation device by software to be system platform
In the selected phase line of control instruction.As shown in Fig. 2 being also provided with monitoring terminal in user terminal to monitor the use of user terminal
Electric load, is recorded with the historical load for obtaining user.
The embodiment is recorded by obtaining the historical load of each user in pre-set low pressure Grid, wherein, history is born
Lotus record includes load parameter and the corresponding acquisition time of load parameter；Historical load record according to each user determines each
The electricity consumption law curve of user；Electricity consumption law curve according to each user determines negative on three-phase in pre-set low pressure Grid
Lotus is distributed so that the load on three-phase reaches default equilibrium condition, to be solved and can not effectively balance low voltage electric network in correlation technique
The technical problem of the load of middle three-phase, and then realize the technique effect of three-phase load in effectively balance low voltage electric network.
The historical load record for obtaining each user in pre-set low pressure Grid can include：According to prefixed time interval
Sampling processing is carried out, wherein, sampling processing is the load parameter for gathering all users in pre-set low pressure Grid；It is determined that every time
The time of sampling processing, the historical load record according to each user determines that the electricity consumption law curve of each user can include：
The load parameter of each user and the relation curve of time are drawn respectively.
Electricity consumption law curve according to each user determine the sharing of load in pre-set low pressure Grid on three-phase so that
Load on three-phase reaches default equilibrium condition can be performed as follows：Determine in preset period of time the default of three phase lines
Equilibrium condition；The corresponding annexation of three phase lines and all users in preset period of time is determined according to default equilibrium condition；According to
Phase line of the corresponding annexation of three phase lines and all users to all users in preset period of time is adjusted in preset period of time
It is whole.
All users include first user, exist with the corresponding annexation of all users according to three phase lines in preset period of time
The phase line of all users is adjusted in preset period of time including：Determine first user in preset period of time according to correspondence annexation
The interior phase line for needing to connect；The current connected phase line of detection first user；Judge the current institute of first user in preset period of time
Whether the phase line of connection is the phase line determined according to correspondence annexation；If it is judged that being no, first user is connected
Phase line switch to according to the correspondence phase line determined of annexation.
Preferably, the corresponding annexation of three phase lines and all users in preset period of time is determined according to default equilibrium condition
Including：Determined three in preset period of time according to the load parameter of each user and the relation curve of time by big data analysis method
The corresponding annexation of individual phase line and all users, so that three phase lines are reached in preset period of time internal loading time curve ripple
The error of shape default equilibrium condition within a preset range.
The regulation and control method that the embodiment is provided first carries out the load point of A, B, C three-phase for platform area transformer according to a conventional method
Match somebody with somebody, after equipment investment is using a period of time, the Real-time Load information of user is gathered by the monitor terminal for accessing each family, and
It is uploaded to system platform.Plateform system carries out Data Integration by the load record to history, finds out the operation rule of customer charge
Rule, recycles big data analysis, the load to A, B, C three-phase to re-start distribution, make the real-time change trend base of three-phase load
This is identical, reaches the equilibrium,transient of threephase load.The control method manually commutation or can carry out commutation by commutation device.
Wherein the control process of commutation device is registered one's residence for three-phase and four-line, and monitor terminal and commutation device are installed additional in port of registering one's residence.A, B, C tri-
Phase accessing user after being combined into single-phase electricity with N from after commutation device.System platform is born by A, B, C three-phase
After load-carrying is newly allocated, under send instructions to user's commutation device and carry out commutation operation.Manual commutation is then relevant staff
By the data result after Platform Analysis, in platform area, the rear end of transformer carries out customer charge distribution.
The regulation and control method that the embodiment is provided, after being analyzed using big data according to user's rule of life, by system
The integrally-regulated three-phase load distribution of platform, and manually commutation or power supply commutation device flexibly three alternate loads of switching, make
To reach three-phase load in a basic balance, on the basis of safe power supply, price reduction can be damaged with saving energy consumption, drop.The embodiment is carried
The regulation and control method of confession can ensure the quality of power supply of user, reduce the electric energy loss of circuit, and the electric energy for reducing distribution transformer is damaged
Consumption, increases distribution transforming and exerts oneself, and reduces the zero-sequence current that distribution transforming is produced, and increases motor efficiency, it is ensured that always protection is good for low-voltage leakage
Operation, it is ensured that the safe operation of electrical equipment, prevents personal electric shock casualty accident.
It should be noted that accompanying drawing flow chart though it is shown that logical order, but in some cases, can be with
Shown or described step is performed different from order herein.
Another aspect according to embodiments of the present invention, additionally provides a kind of regulation device of low voltage electric network three-phase load.
Fig. 3 is the schematic diagram of the regulation device of a kind of optional low voltage electric network three-phase load according to embodiments of the present invention,
As shown in figure 3, the device includes acquiring unit 10, the first determining unit 20 and the second determining unit 30.
Acquiring unit, the historical load for obtaining each user in pre-set low pressure Grid is recorded, wherein, history is born
Lotus record includes load parameter and the corresponding acquisition time of load parameter；First determining unit, for going through according to each user
History load record determines the electricity consumption law curve of each user；Second determining unit, for the electricity consumption rule according to each user
Curve determines the sharing of load in pre-set low pressure Grid on three-phase so that the load on three-phase reaches default equilibrium condition.
Preferably, acquiring unit includes：Sampling module, for carrying out sampling processing according to prefixed time interval, wherein, adopt
Sample is processed as gathering the load parameter of all users in pre-set low pressure Grid；Determining module, for determining at each sampling
The time of reason, the first determining unit includes：Drafting module, for drawing the load parameter of each user and the relation of time respectively
Curve.
Preferably, the second determining unit includes：First determining module, for determining in preset period of time the default of three phase lines
Equilibrium condition；Second determining module, for determining that three phase lines are with all users' in preset period of time according to default equilibrium condition
Correspondence annexation；Adjusting module, for the corresponding annexation according to three phase lines in preset period of time and all users pre-
If the phase line in the period to all users is adjusted.
Preferably, all users include first user, and adjusting module includes：Determination sub-module, for being connected according to correspondence
Relation determines that first user needs the phase line of connection in preset period of time；Detection sub-module, for detecting the current institute of first user
The phase line of connection；Judging submodule, for judge in preset period of time the current connected phase line of first user whether according to
The phase line that correspondence annexation is determined；Switching submodule, for if it is judged that being phase line no, that first user is connected
Switch to the phase line determined according to correspondence annexation.
Preferably, the second determining module includes：Calculating sub module, for by big data analysis method according to each user
Load parameter and the relation curve of time determine the corresponding annexation of three phase lines and all users in preset period of time so that
Three phase lines reach the error default equilibrium condition within a preset range in preset period of time internal loading time curve waveform.
Above-mentioned device can include processor and memory, and said units can be as program unit storage in storage
In device, corresponding function is realized by computing device storage said procedure unit in memory.
Memory potentially includes the volatile memory in computer-readable medium, random access memory (RAM) and/
Or the form, such as read-only storage (ROM) or flash memory (flashRAM) such as Nonvolatile memory, memory includes at least one storage
Chip.
The order of above-mentioned the embodiment of the present application does not represent the quality of embodiment.
In above-described embodiment of the application, the description to each embodiment all emphasizes particularly on different fields, and does not have in certain embodiment
The part of detailed description, may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents, can be by other
Mode is realized.Wherein, device embodiment described above is only schematical, such as division of described unit, Ke Yiwei
A kind of division of logic function, can there is other dividing mode when actually realizing, such as multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling or direct-coupling or communication connection can be the INDIRECT COUPLING or communication link of unit or module by some interfaces
Connect, can be electrical or other forms.
In addition, during each functional unit in the application each embodiment can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.Above-mentioned integrated list
Unit can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If the integrated unit is to realize in the form of SFU software functional unit and as independent production marketing or use
When, can store in a computer read/write memory medium.Based on such understanding, the technical scheme of the application is substantially
The part for being contributed to prior art in other words or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, including some instructions are used to so that a computer
Equipment (can be personal computer, server or network equipment etc.) perform the application each embodiment methods described whole or
Part steps.And foregoing storage medium includes：USB flash disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can be with store program codes
Medium.
The above is only the preferred embodiment of the application, it is noted that for the ordinary skill people of the art
For member, on the premise of the application principle is not departed from, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (10)
1. a kind of regulation and control method of low voltage electric network three-phase load, it is characterised in that including：
The historical load record of each user in pre-set low pressure Grid is obtained, wherein, the historical load record includes negative
Lotus parameter and the corresponding acquisition time of the load parameter；
Historical load record according to each user determines the electricity consumption law curve of each user；
Electricity consumption law curve according to each user determines the sharing of load on three-phase in the pre-set low pressure Grid
So that the load on the three-phase reaches default equilibrium condition.
2. method according to claim 1, it is characterised in that
The historical load record for obtaining each user in pre-set low pressure Grid includes：Sampled according to prefixed time interval
Treatment, wherein, the sampling processing is the load parameter of all users in the collection pre-set low pressure Grid；It is determined that every time
The time of the sampling processing,
Historical load record according to each user determines that the electricity consumption law curve of each user includes：Draw each respectively
The load parameter of user and the relation curve of time.
3. method according to claim 2, it is characterised in that the electricity consumption law curve according to each user determines institute
The sharing of load in pre-set low pressure Grid on three-phase is stated so that the load on the three-phase reaches default equilibrium condition and includes：
Determine three described default equilibrium conditions of phase line in preset period of time；
The corresponding annexation of three phase lines and all users in the preset period of time is determined according to the default equilibrium condition；
According to the corresponding annexation of three phase lines in the preset period of time and all users in the preset period of time to all
The phase line of user is adjusted.
4. method according to claim 3, it is characterised in that all users include first user, according to described pre-
If three phase lines are carried out in the preset period of time with the corresponding annexation of all users to the phase line of all users in the period
Adjustment includes：
Determine that the first user needs the phase line of connection in the preset period of time according to the correspondence annexation；
Detect the current connected phase line of the first user；
Judge whether the current connected phase line of the first user is to be closed according to the correspondence connection in the preset period of time
The phase line that system determines；
If it is judged that being no, the phase line that the first user is connected is switched to and is determined according to the correspondence annexation
Phase line.
5. method according to claim 3, it is characterised in that the preset period of time is determined according to the default equilibrium condition
Interior three phase lines include with the corresponding annexation of all users：
By big data analysis method, the load parameter of each user and the relation curve of time according to determine described default
The corresponding annexation of three phase lines and all users in period, so as to three phase lines reach be born in the preset period of time
The error of lotus time curve waveform default equilibrium condition within a preset range.
6. a kind of regulation device of low voltage electric network three-phase load, it is characterised in that including：
Acquiring unit, the historical load for obtaining each user in pre-set low pressure Grid is recorded, wherein, the history is born
Lotus record includes load parameter and the corresponding acquisition time of the load parameter；
First determining unit, for determining that the electricity consumption rule of each user is bent according to the historical load record of each user
Line；
Second determining unit, for being determined in the pre-set low pressure Grid according to the electricity consumption law curve of each user
Sharing of load on three-phase is so that the load on the three-phase reaches default equilibrium condition.
7. device according to claim 6, it is characterised in that
The acquiring unit includes：Sampling module, for carrying out sampling processing according to prefixed time interval, wherein, the sampling
It is processed as gathering the load parameter of all users in the pre-set low pressure Grid；Determining module, it is described for determining every time
The time of sampling processing,
First determining unit includes：Drafting module, for drawing the load parameter of each user and the relation of time respectively
Curve.
8. device according to claim 7, it is characterised in that second determining unit includes：
First determining module, for determining three described default equilibrium conditions of phase line in preset period of time；
Second determining module, for determining three phase lines and all users in the preset period of time according to the default equilibrium condition
Corresponding annexation；
Adjusting module, for being preset described with the corresponding annexation of all users according to three phase lines in the preset period of time
Phase line in period to all users is adjusted.
9. device according to claim 8, it is characterised in that all users include first user, the adjustment mould
Block includes：
Determination sub-module, for determining that the first user needs to connect in the preset period of time according to the correspondence annexation
The phase line for connecing；
Detection sub-module, the phase line current connected for detecting the first user；
Judging submodule, for judge in the preset period of time the current connected phase line of the first user whether according to
The phase line that the correspondence annexation is determined；
Switching submodule, for if it is judged that be it is no, by the first user connect phase line switch to according to described right
Answer the phase line that annexation is determined.
10. device according to claim 8, it is characterised in that second determining module includes：
Calculating sub module, it is bent for the relation by big data the analysis method load parameter of each user and time according to
Line determines the corresponding annexation of three phase lines and all users in the preset period of time, so that three phase lines are reached in institute
State the error of preset period of time internal loading time curve waveform default equilibrium condition within a preset range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611148717.6A CN106684894A (en) | 2016-12-13 | 2016-12-13 | Method and device for regulating three-phase loads of low-voltage power grid |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611148717.6A CN106684894A (en) | 2016-12-13 | 2016-12-13 | Method and device for regulating three-phase loads of low-voltage power grid |
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| CN106684894A true CN106684894A (en) | 2017-05-17 |
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| CN201611148717.6A Pending CN106684894A (en) | 2016-12-13 | 2016-12-13 | Method and device for regulating three-phase loads of low-voltage power grid |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| US20210215774A1 (en) * | 2018-09-28 | 2021-07-15 | Sma Solar Technology Ag | Method and apparatus for identifying an association of phase lines to connections of an electrical device capable of unbalanced-load operation |
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