CN110190612A - Platform area three-phase imbalance administering method based on geographical location and phase identification - Google Patents
Platform area three-phase imbalance administering method based on geographical location and phase identification Download PDFInfo
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- CN110190612A CN110190612A CN201910342527.5A CN201910342527A CN110190612A CN 110190612 A CN110190612 A CN 110190612A CN 201910342527 A CN201910342527 A CN 201910342527A CN 110190612 A CN110190612 A CN 110190612A
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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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- 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
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Abstract
Each single-phase electric meter in platform area is divided into three coordinate datas clusters by the present invention relates to a kind of platform area three-phase imbalance administering method based on geographical location and phase identification, obtains the ammeter serial number cluster for corresponding to each coordinate data cluster；All phase datas are divided into three groups of phase datas according to three-phase, obtain three groups of ammeter serial numbers for respectively corresponding each group phase；Six kinds of corresponded manners between three ammeter serial numbers cluster and three groups of ammeter serial numbers, ammeter serial number intersection corresponding under various corresponded manners and the ammeter serial number intersection with maximum ammeter serial number quantity are obtained, the corresponding all ammeter serial numbers clusters of the ammeter serial number intersection are clustered as ammeter serial number to be processed；The ammeter serial number intersection with maximum ammeter serial number quantity is removed in ammeter serial number to be processed cluster, it is not suitable for ammeter using the corresponding ammeter of remaining ammeter serial number as phase sequence, phase sequence is not suitable for ammeter and is switched to the phase that the phase sequence is not suitable for the affiliated coordinate data cluster of ammeter, realizes that platform area three-phase imbalance is administered.
Description
Technical field
The present invention relates to field of power system more particularly to a kind of platform area three-phases based on geographical location and phase identification not
Balance administering method.
Background technique
The existing ammeter majority for being installed to user will not support positioning function, i.e., can not obtain it by ammeter merely certainly
The more specific location information of body.Therefore, when giving user installation ammeter, it usually needs ammeter regulatory agency (power administration) assigns the job
Geographical location information of the personnel in a manner of parameter setting, recording the new installation ammeter to the ammeter newly installed.Specifically
Ground, it is new that these staff can accurately acquire this using the external equipment (such as mobile phone or other handheld terminals) of oneself operation
Real-time geographical locations information (including longitude information and latitude information) corresponding to ammeter, and the real-time geographic that will acquire are installed
Location information is arranged into the ammeter of the new installation, by the ammeter storage of the new installation, encrypts the real-time geographical locations information, and
And it is subsequent other people can not modify the real-time geographical locations information.
After a large amount of ammeter is installed to different geographic regions in the manner described above, each ammeter can belong to one
Platform area, i.e. a phase in each ammeter Dou Hui connected unit area.But in such as city domestic power grid, (city dweller is used
Family) or agricultural power network (rural subscribers) in, it sometimes appear that the case where a large amount of single-phase loads, so that current three-phase imbalance is existing
As generally existing and be particularly acute, three-phase imbalance appeared in power grid will increase the copper loss of route and transformer, increases and becomes
The iron loss of depressor reduces the power output of transformer or even will affect the safe operation of transformer, cause three characteristics of the middle term Voltage unbalance and
Reduce power supply quality.
Currently, usually that heavier loads are separate for the improvement of three-phase imbalance in power grid (or electric system)
The ammeter of some users be transferred to light load another it is separate be powered, to balance the load of three-phase, further mention
Plateau area distribution transformer utilization rate reduces distribution line loss.For working as which electric supply meter suitable in electric system
Preceding phase shift is powered to the separate of light load, at present but without reference to foundation and technical support.Therefore, how to guarantee
In inexpensive situation, realize that installing unfavorable ammeter for phase sequence in electric system makes accurate detection, and then complete needle
Improvement (can also be administered with weighting platform area three-phase imbalance) to three-phase imbalance in electric system, just for current electric system
It often runs and is laid out and is most important.
Summary of the invention
It is a kind of based on geographical location and phase the technical problem to be solved by the present invention is to be provided for the above-mentioned prior art
The platform area three-phase imbalance administering method of identification.
The technical scheme of the invention to solve the technical problem is: the platform area based on geographical location and phase identification
Three-phase imbalance administering method is formed by platform sound zone system for concentrator, summary table and M single-phase electric meter, which is characterized in that
The platform area three-phase imbalance administering method based on geographical location and phase identification includes the following steps 1~step 8:
Platform area three-phase imbalance administering method based on geographical location and phase identification, for concentrator, summary table and M
Single-phase electric meter is formed by platform sound zone system, which is characterized in that the platform area three-phase based on geographical location and phase identification is uneven
Weighing apparatus administering method includes the following steps 1~step 8:
Step 1, the phase data for obtaining each ammeter in entire platform area obtains the phase sequence of all ammeters in the entire platform area
Column；Wherein, the phase data of m-th of single-phase electric meter is labeled as Hm, phase corresponding to the entire platform area in the entire platform area
Sequence mark is { Hm }, phase data Hm=" A phase " or " B phase " or " C phase ", 1≤m≤M；
Step 2, concentrator reads the coordinate data of each ammeter in entire platform area, obtains all ammeters in the entire platform area
Coordinate sequence；Wherein, the coordinate data of m-th of single-phase electric meter is labeled as (Xm, Ym, Zm), corresponding to the entire platform area
Coordinate sequence is labeled as { Pm }, and Pm=(Xm, Ym, Zm), Xm indicate the latitude value in geographical location locating for m-th of single-phase electric meter, Ym
Indicate the longitude in geographical location locating for m-th of single-phase electric meter, Zm indicates the height above sea level in geographical location locating for m-th of single-phase electric meter
Angle value, 1≤m≤M；
Step 3, all coordinate datas in the coordinate sequence are divided into three coordinates using K-means clustering method
Data clusters, and corresponding three ammeter serial numbers for obtaining ammeter serial number corresponding to each coordinate data in each coordinate data cluster are poly-
Class；Wherein, the coordinate data cluster is mutually corresponded with ammeter serial number cluster；
Step 4, according to the packet mode of A phase, B phase and C phase, accordingly by all phase datas in the phase sequence
It is divided into three groups of phase datas, and correspondence obtains three groups of ammeter sequences of ammeter serial number corresponding to each phase data in each group phase data
Number；Wherein, three groups of phase datas are mutually corresponded with three groups of ammeter serial numbers；
Step 5, in step 3 three ammeter serial numbers cluster with step 4 in three groups of ammeter serial numbers according to
Permutation and combination method does alignment processing, obtains six kinds of corresponded manners；
Step 6, the electricity in the intersection of ammeter serial number and each ammeter serial number intersection corresponding under various corresponded manners is obtained
Table serial number quantity searches the ammeter serial number intersection with maximum ammeter serial number quantity, and the ammeter serial number found is handed over
The corresponding all ammeter serial numbers cluster of collection is clustered as ammeter serial number to be processed；
Step 7, the ammeter with maximum ammeter serial number quantity is removed in the ammeter serial number cluster to be processed
Serial number intersection obtains the remaining ammeter serial number in ammeter serial number cluster to be processed, and will be corresponding to the remaining ammeter serial number
Phase sequence when ammeter is as the processing of platform area three-phase imbalance is not suitable for ammeter；
Step 8, the current Phase-switching that the phase sequence is not suitable for ammeter is not suitable for ammeter institute in step 3 to the phase sequence
The phase of the coordinate data cluster of category.
With improvement, in the platform area three-phase imbalance administering method based on geographical location and phase identification, in step 1
It before further include the detection process to platform area three-phase imbalance situation.
Further, in the platform area three-phase imbalance administering method based on geographical location and phase identification, to platform
The detection process of area's three-phase imbalance situation includes the following steps a1 and step a2:
Step a1 according to each three-phase current numerical value of summary table in the entire platform area, calculates platform within a preset period of time
Area's tri-phase unbalance factor；Wherein, the tri-phase unbalance factor in described area is labeled as h:
H=(Imax-Imin)/Imax*100%；
Imax indicates three-phase current IA、IBAnd ICIn maximum value, Imin indicate three-phase current IA、IBAnd ICIn minimum
Value；
Step a2, the starting threshold value of setting starting three-phase imbalance situation detection, and according to the three-phase in gained platform area injustice
Weighing apparatus degree judges whether that starting is directed to the detection of platform area three-phase imbalance situation:
When the tri-phase unbalance factor in gained platform area be greater than the starting threshold value and persistently the state reach first it is default persistently
When the time, then starting is directed to the detection of platform area three-phase imbalance situation, is transferred to step 1；Otherwise, it is transferred to step a1.
Preferably, in the platform area three-phase imbalance administering method based on geographical location and phase identification, by step
Rapid a2 is transferred to before step a1 further include: when the tri-phase unbalance factor in gained platform area is less than the starting threshold value and the persistently state
When reaching the second preset durations, then the prompt operation of three-phase equilibrium is restored in firing platform area.
With improvement, in the platform area three-phase imbalance administering method based on geographical location and phase identification, described
One preset durations and the second preset durations are identical.
With improvement, the starting threshold value is 15%~30%, and described first default lasting and the second preset durations are equal
For 15min.
Preferably, the starting threshold value is set as 30%.
It improves again, the platform area three-phase imbalance administering method based on geographical location and phase identification further include: work as institute
The tri-phase unbalance factor in the area get Tai then starts greater than the starting threshold value and when persistently the state reaches the first preset durations
For the alarm operation of platform area three-phase imbalance.
It is further improved, in the platform area three-phase imbalance administering method based on geographical location and phase identification, institute
The coordinate data for stating each ammeter in entire platform area is embedded in when ammeter is mounted or utilizes itself preset positioning by each ammeter
Device acquires.
Compared with the prior art, the advantages of the present invention are as follows: the present invention uses the geographical location based on each ammeter in platform area
With K-means clustering method, each single-phase electric meter in platform area is divided into three coordinate data clusters, and obtains each coordinate data
The ammeter serial number cluster of ammeter serial number corresponding to each coordinate data in clustering；According to the packet mode of A phase, B phase and C phase, by phase
All phase datas are accordingly divided into three groups of phase datas in bit sequence, and it is right to obtain each phase data institute in each group phase data
Three groups of ammeter serial numbers of ammeter serial number are answered, and to obtain three ammeter serial numbers cluster corresponding with six kinds between three groups of ammeter serial numbers
Mode, and then obtain the ammeter serial number in the intersection of ammeter serial number and each ammeter serial number intersection corresponding under various corresponded manners
Quantity searches the ammeter serial number intersection with maximum ammeter serial number quantity, and the ammeter serial number intersection institute found is right
All ammeter serial numbers cluster answered is clustered as ammeter serial number to be processed；Removing in ammeter serial number to be processed cluster has maximum
Ammeter serial number quantity ammeter serial number intersection, obtain the remaining ammeter serial number in ammeter serial number to be processed cluster, and by institute
It states phase sequence of the ammeter corresponding to remaining ammeter serial number as the processing of platform area three-phase imbalance when and is not suitable for ammeter, thus may be used
It is not suitable for ammeter information to be accurately detected phase sequence installation, and then phase sequence is not suitable for ammeter is switched to the phase sequence being not suitable for electricity
The phase of table affiliated coordinate data cluster, i.e., by the separate some ammeters of heavier loads be transferred to another lighter it is separate into
Row power supply realizes that the three-phase imbalance in platform area is administered, to reduce platform area installation cost.
Detailed description of the invention
Fig. 1 is the platform area three-phase imbalance administering method process based on geographical location and phase identification in the embodiment of the present invention
Schematic diagram.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
As shown in Figure 1, the platform area three-phase imbalance administering method in the present embodiment based on geographical location and phase identification, is used
It is formed by platform sound zone system in concentrator, summary table and M single-phase electric meter, it should the platform area three based on geographical location and phase identification
Mutually uneven administering method includes the following steps 1~step 8:
Step 1, the phase data for obtaining each ammeter in entire platform area obtains the phase sequence of all ammeters in the entire platform area
Column；Wherein, the phase data of m-th of single-phase electric meter is labeled as Hm, phase sequence corresponding to the entire platform area in entire platform area
Labeled as { Hm }, phase data Hm=" A phase " or " B phase " or " C phase ", 1≤m≤M；
For example, it is assumed that platform sound zone system has 100 single-phase electric meters, i.e. M=100, that is to say, that entire platform area has 100
A single-phase electric meter, then, the phase data of the 1st single-phase electric meter is labeled as H1, and the phase data of the 2nd single-phase electric meter is labeled as
H2, and so on, the phase data of the 99th single-phase electric meter is labeled as H99, and the phase data of the 100th single-phase electric meter is labeled as
H100, then, phase sequence corresponding to the entire platform area are exactly { H1, H2, H99, H100 }；
In addition, it is assumed that the detection by early period obtains, the phase condition of each single-phase electric meter is as follows in the entire platform area:
For the ammeter that ammeter serial number is No. 1~No. 40 in A phase, i.e. H1~H40 is " A phase "；
For the ammeter that ammeter serial number is No. 41~No. 60 in B phase, i.e. H41~H60 is " B phase "；
For the ammeter that ammeter serial number is No. 61~No. 100 in C phase, i.e. H41~H60 is " C phase ".
Specifically, in the step 1, the process for obtaining the phase data of each ammeter in entire platform area is referred to the application
People has been filed on content documented by application documents CN201811444065.X " the platform area phase recognition methods based on the degree of association ", this
Place no longer excessively repeats；
Step 2, concentrator reads the coordinate data of each ammeter in entire platform area, obtains all ammeters in the entire platform area
Coordinate sequence；Wherein, the coordinate data of m-th of single-phase electric meter is labeled as (Xm, Ym, Zm), coordinate corresponding to the entire platform area
Sequence mark is { Pm }, and Pm=(Xm, Ym, Zm), Xm indicate that the latitude value in geographical location locating for m-th of single-phase electric meter, Ym indicate
The longitude in geographical location locating for m-th of single-phase electric meter, Zm indicate the height above sea level in geographical location locating for m-th of single-phase electric meter
Value, 1≤m≤M；
For example, the coordinate data of the 1st single-phase electric meter is P1=(X1, Y1, Z1), the coordinate data of the 2nd single-phase electric meter
For P2=(X2, Y2, Z2), and so on, the coordinate data of the 99th single-phase electric meter is P99=(X99, Y99, Z99), the 100th
The coordinate data of a single-phase electric meter is P100=(X100, Y100, Z100)；Then, coordinate sequence corresponding to the entire platform area
Be exactly P1, P2, P99, P100 }；
Specifically, in the present embodiment, the coordinate data of each ammeter can the insertion when ammeter is mounted in entire platform area
Or it is acquired by each ammeter using itself preset positioning device.
Step 3, all coordinate datas in coordinate sequence are divided into three coordinate datas using K-means clustering method
Cluster, and the corresponding three ammeter serial numbers cluster for obtaining each coordinate data and clustering ammeter serial number corresponding to interior each coordinate data；Its
In, coordinate data cluster is mutually corresponded with ammeter serial number cluster；
Be described as follows for the step 3: by K-means clustering method by coordinate sequence P1,
P2, P99, P100 in all coordinate datas be divided into 3 coordinate datas cluster, this 3 coordinate datas
Cluster is respectively:
Coordinate data clusters 1:{ P1, P2, P29, P30 }；
Coordinate data clusters 2:{ P31, P32, P69, P70 }；
Coordinate data clusters 3:{ P71, P72, P99, P100 }.
Because coordinate data cluster is mutually corresponded with ammeter serial number cluster, then accordingly, in each coordinate data cluster
The ammeter serial number cluster of ammeter serial number corresponding to each coordinate data just respectively corresponds:
Ammeter serial number cluster No. 1 ammeter of 1:{, No. 2 ammeters, No. 29 ammeters, No. 30 ammeters }；
Ammeter serial number cluster No. 31 ammeters of 2:{, No. 32 ammeters, No. 69 ammeters, No. 70 ammeters }；
Ammeter serial number cluster No. 71 ammeters of 3:{, No. 72 ammeters, No. 99 ammeters, No. 100 ammeters }.
Wherein, it should be noted that in actual ammeter installation process, each coordinate data cluster is endowed one
A phase, i.e., the same coordinate data cluster are all proposed in the same phase for being connected to summary table；
Step 4, according to the packet mode of A phase, B phase and C phase, all phase datas in phase sequence are accordingly divided into
Three groups of phase datas, and correspondence obtains three groups of ammeter serial numbers of ammeter serial number corresponding to each phase data in each group phase data；
Wherein, three groups of phase datas are mutually corresponded with three groups of ammeter serial numbers；
It is described as follows for the step 4: the phase since each ammeter in entire platform area having been obtained in step 1
Data cases, then herein according to the packet mode of A phase, B phase and C phase, corresponding three groups of phase datas difference after division processing
It is:
A phase group H1, H2, H39, H40 }；
B phase group H41, H42, H59, H60 }；
C phase group H61, H62, H99, H100 }.
It is because three groups of phase datas are mutually corresponded with three groups of ammeter serial numbers, then accordingly, each in each group phase data
Three groups of ammeter serial numbers of ammeter serial number corresponding to phase data be respectively No. 1 ammeter, No. 2 ammeters, No. 39 electricity
Table, No. 40 ammeters }, No. 41 ammeters, and No. 42 ammeters, No. 59 ammeters, No. 60 ammeters } and No. 61 ammeters, No. 62
Ammeter, No. 99 ammeters, No. 100 ammeters }；
Step 5, to three ammeter serial numbers cluster in step 3 and three groups of ammeter serial numbers in step 4 according to permutation and combination
Mode does alignment processing, obtains six kinds of corresponded manners；
Specifically, three ammeter serial numbers cluster in step 3 is as follows:
Ammeter serial number cluster 1, No. 1 ammeter, and No. 2 ammeters, No. 29 ammeters, No. 30 ammeters }；
Ammeter serial number cluster 2, No. 31 ammeters, and No. 32 ammeters, No. 69 ammeters, No. 70 ammeters }；
Ammeter serial number cluster 3, No. 71 ammeters, and No. 72 ammeters, No. 99 ammeters, No. 100 ammeters }；
Three groups of ammeter serial numbers in step 4 are as follows:
No. 1 ammeter of A:{, No. 2 ammeters, No. 39 ammeters, No. 40 ammeters }；
No. 41 ammeters of B:{, No. 42 ammeters, No. 59 ammeters, No. 60 ammeters }；
No. 61 ammeters of C:{, No. 62 ammeters, No. 99 ammeters, No. 100 ammeters }.
Three ammeter serial number clusters and the 6 kinds of corresponded manner such as the following table 1 obtained corresponding to three groups of ammeter serial numbers:
| Corresponded manner serial number | Corresponded manner |
| 1 | 1 → A, 2 → B, 3 → C |
| 2 | 1 → A, 3 → B, 2 → C |
| 3 | 2 → A, 1 → B, 3 → C |
| 4 | 2 → A, 3 → B, 1 → C |
| 5 | 3 → A, 1 → B, 2 → C |
| 6 | 3 → A, 2 → B, 1 → C |
Table 1
Step 6, the electricity in the intersection of ammeter serial number and each ammeter serial number intersection corresponding under various corresponded manners is obtained
Table serial number quantity searches the ammeter serial number intersection with maximum ammeter serial number quantity, and the ammeter serial number found is handed over
The corresponding all ammeter serial numbers cluster of collection is clustered as ammeter serial number to be processed；
It is still exemplified by Table 1 and explains, about ammeter serial number intersection, then six kinds of corresponded manners in table 1 are asked respectively
Obtain the ammeter serial number quantity in each ammeter serial number intersection；Assuming that through analyzing, for the first corresponded manner, ammeter serial number intersection
For { No. 1 ammeter~No. 30 ammeter, No. 41 ammeter~No. 60 ammeters, No. 71 ammeter~No. 100 ammeters }, the ammeter serial number intersection institute
The ammeter serial number quantity having is 80；
Likewise it is possible to obtain ammeter serial number quantity possessed by each ammeter serial number intersection under remaining five kinds of corresponded manners；
If determining the first by comparing for the size of ammeter serial number quantity numerical value in each ammeter serial number intersection of gained
Corresponding ammeter serial number intersection has maximum ammeter serial number quantity under corresponded manner, then the ammeter sequence that will just find
All ammeter serial numbers clusters (namely clustering 1, cluster 2 and cluster 3) corresponding to number intersection are poly- as ammeter serial number to be processed
Class；
Step 7, corresponding in above-mentioned ammeter serial number cluster to be processed described in removing has maximum ammeter serial number quantity
Ammeter serial number in ammeter serial number intersection, obtains the remaining ammeter serial number in ammeter serial number to be processed cluster, and by the residue
Phase sequence when ammeter corresponding to ammeter serial number is as the processing of platform area three-phase imbalance is not suitable for ammeter；
Specifically, for example, analysis by step 6, it is recognised that the ammeter serial number with maximum ammeter serial number quantity
Intersection is { No. 1 ammeter~No. 30 ammeter, No. 41 ammeter~No. 60 ammeters, No. 71 ammeter~No. 100 ammeters }；
Then, just accordingly:
Ammeter serial number is clustered No. 1 ammeter~No. 30 ammeter in 1 to remove, remaining ammeter serial number is empty at this time；
Ammeter serial number is clustered No. 41 ammeter~No. 60 ammeters in 2 to remove, at this time remaining ammeter No. 31 ammeters of serial number
~No. 40 ammeters, No. 61 ammeter~No. 70 ammeters；
Ammeter serial number is clustered No. 71 ammeter~No. 100 ammeters in 3 to remove, remaining ammeter serial number is empty at this time；
So, No. 31 ammeter~No. 40 ammeters of remaining ammeter serial number and No. 61 ammeter~No. 70 ammeter this 20 ammeter sequences
It number is substantially the non-intersection ammeter serial number of corresponding all ammeter serial number clusters, then, just No. 31 ammeters of remaining ammeter serial number
Ammeter corresponding to~No. 40 ammeters and No. 61 electric serial numbers of this 20, ammeter~No. 70 ammeter is used as this area three-phase not
Phase sequence when Balance Treatment is not suitable for ammeter；
Step 8, phase sequence is not suitable for the current Phase-switching of ammeter to the phase sequence be not suitable for ammeter in step 3 belonging to
The phase of coordinate data cluster.
This illustrates for sentencing No. 31 ammeters, when being identified as three-phase imbalance processing in electric system due to No. 31 ammeters
Phase sequence be not suitable for ammeter, and in step 3, No. 31 ammeters belong to coordinate data cluster 1 P31, P32,
P69, P70 }, then, at this time just by the current phase A phase of No. 31 ammeters be switched to the coordinate data cluster 1 P31,
P32, P69, P70 phase；The Phase-switching situation that other phase sequences are not suitable for ammeter is equally arranged such.
Certainly, in order to promptly and accurately start for platform area three-phase imbalance improvement, in the present embodiment, step 1 it
Before further include detection process to platform area three-phase imbalance situation.Specifically, to the detection process of platform area three-phase imbalance situation
Include the following steps a1 and step a2:
Step a1 according to each three-phase current numerical value of summary table in the entire platform area, calculates electricity within a preset period of time
The tri-phase unbalance factor of Force system；Wherein, the tri-phase unbalance factor in this area is labeled as h:
H=(Imax-Imin)/Imax*100%；
Imax indicates three-phase current IA、IBAnd ICIn maximum value, Imin indicate three-phase current IA、IBAnd ICIn minimum
Value；
Step a2, the starting threshold value of setting starting three-phase imbalance situation detection, and according to the three-phase in gained platform area injustice
Weighing apparatus degree judges whether that starting is directed to the detection of platform area three-phase imbalance situation:
When the tri-phase unbalance factor in gained platform area be greater than the starting threshold value and persistently the state reach first it is default persistently
When the time, then starting is directed to the detection of platform area three-phase imbalance situation, is transferred to step 1；Otherwise, it is transferred to step a1.
It can also include: the three-phase when gained platform area before being transferred to step a1 by step a2 in addition, in the present embodiment
Degree of unbalancedness is less than starting threshold value and when persistently the state reaches the second preset durations, then three-phase equilibrium is restored in firing platform area
Prompt operation.Wherein, first preset durations of the present embodiment and the second preset durations are identical.For example, actuation threshold
Value can be set in 15%~30% section, and the first preset durations and the second preset durations are
15min.Wherein, preferably, the present embodiment sets 30% for the starting threshold value.
Moreover, being somebody's turn to do the platform area three-phase imbalance administering method based on geographical location and phase identification also may include:
When the tri-phase unbalance factor in gained platform area is greater than starting threshold value and persistently the state reaches the first preset durations, then start
For the alarm operation of platform area three-phase imbalance.
Although the preferred embodiment of the present invention has been described in detail above, it is to be clearly understood that for this field
Technical staff for, the invention may be variously modified and varied.Done within the spirit and principles of the present invention
What modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. the platform area three-phase imbalance administering method based on geographical location and phase identification, single for concentrator, summary table and M
Phase ammeter is formed by platform sound zone system, which is characterized in that the platform area three-phase imbalance based on geographical location and phase identification
Administering method includes the following steps 1~step 8:
Step 1, the phase data for obtaining each ammeter in entire platform area obtains the phase sequence of all ammeters in the entire platform area；
Wherein, the phase data of m-th of single-phase electric meter is labeled as Hm, phase sequence corresponding to the entire platform area in the entire platform area
Labeled as { Hm }, phase data Hm=" A phase " or " B phase " or " C phase ", 1≤m≤M；
Step 2, concentrator reads the coordinate data of each ammeter in entire platform area, obtains the coordinate of all ammeters in the entire platform area
Sequence；Wherein, the coordinate data of m-th of single-phase electric meter is labeled as (Xm, Ym, Zm), coordinate corresponding to the entire platform area
Sequence mark is { Pm }, and Pm=(Xm, Ym, Zm), Xm indicate that the latitude value in geographical location locating for m-th of single-phase electric meter, Ym indicate
The longitude in geographical location locating for m-th of single-phase electric meter, Zm indicate the height above sea level in geographical location locating for m-th of single-phase electric meter
Value, 1≤m≤M；
Step 3, all coordinate datas in the coordinate sequence are divided into three coordinate datas using K-means clustering method
Cluster, and the corresponding three ammeter serial numbers cluster for obtaining each coordinate data and clustering ammeter serial number corresponding to interior each coordinate data；Its
In, the coordinate data cluster is mutually corresponded with ammeter serial number cluster；
Step 4, according to the packet mode of A phase, B phase and C phase, all phase datas in the phase sequence are accordingly divided into
Three groups of phase datas, and correspondence obtains three groups of ammeter serial numbers of ammeter serial number corresponding to each phase data in each group phase data；
Wherein, three groups of phase datas are mutually corresponded with three groups of ammeter serial numbers；
Step 5, to three ammeter serial numbers cluster in step 3 and three groups of ammeter serial numbers in step 4 according to arrangement
Combination does alignment processing, obtains six kinds of corresponded manners；
Step 6, the ammeter sequence in the intersection of ammeter serial number and each ammeter serial number intersection corresponding under various corresponded manners is obtained
Number amount searches the ammeter serial number intersection with maximum ammeter serial number quantity, and the ammeter serial number intersection institute that will be found
Corresponding all ammeter serial number clusters are clustered as ammeter serial number to be processed；
Step 7, the ammeter serial number with maximum ammeter serial number quantity is removed in the ammeter serial number cluster to be processed
Intersection, obtains the remaining ammeter serial number in ammeter serial number to be processed cluster, and by ammeter corresponding to the remaining ammeter serial number
Phase sequence when as the processing of platform area three-phase imbalance is not suitable for ammeter；
Step 8, the phase sequence is not suitable for the current Phase-switching of ammeter to the phase sequence be not suitable for ammeter in step 3 belonging to
The phase of coordinate data cluster.
2. the platform area three-phase imbalance administering method according to claim 1 based on geographical location and phase identification, special
Sign is, before step 1 further includes the detection process to platform area three-phase imbalance situation.
3. the platform area three-phase imbalance administering method according to claim 2 based on geographical location and phase identification, special
Sign is, includes the following steps a1 and step a2 to the detection process of platform area three-phase imbalance situation:
Step a1 according to each three-phase current numerical value of summary table in the entire platform area, calculates platform area within a preset period of time
Tri-phase unbalance factor；Wherein, the tri-phase unbalance factor in described area is labeled as h:
H=(Imax-Imin)/Imax*100%；
Imax indicates three-phase current IA、IBAnd ICIn maximum value, Imin indicate three-phase current IA、IBAnd ICIn minimum value；
Step a2, the starting threshold value that setting firing platform area three-phase imbalance situation detects, and according to the three-phase in gained platform area injustice
Weighing apparatus degree judges whether that starting is directed to the detection of platform area three-phase imbalance situation:
When the tri-phase unbalance factor in gained platform area is greater than the starting threshold value and persistently the state reaches the first preset durations
When, then starting is directed to the detection of platform area three-phase imbalance situation, is transferred to step 1；Otherwise, it is transferred to step a1.
4. the platform area three-phase imbalance administering method according to claim 3 based on geographical location and phase identification, special
Sign is, before being transferred to step a1 by step a2 further include: when the tri-phase unbalance factor in gained platform area is less than the actuation threshold
Value and when persistently the state reaches the second preset durations, then the prompt operation of three-phase equilibrium is restored in firing platform area.
5. the platform area three-phase imbalance administering method according to claim 4 based on geographical location and phase identification, special
Sign is that first preset durations and the second preset durations are identical.
6. the platform area three-phase imbalance administering method according to claim 5 based on geographical location and phase identification, special
Sign is that the starting threshold value is 15%~30%, and described first default lasting and the second preset durations are 15min.
7. the platform area three-phase imbalance administering method according to claim 6 based on geographical location and phase identification, special
Sign is that the starting threshold value is 30%.
8. the platform area three-phase imbalance based on geographical location and phase identification according to any one of claim 3~7 is controlled
Reason method, which is characterized in that further include: when the tri-phase unbalance factor in gained platform area is greater than the starting threshold value and the persistently state
When reaching the first preset durations, then starting is directed to the alarm operation of platform area three-phase imbalance.
9. the platform area three-phase imbalance according to any one of claims 1 to 7 based on geographical location and phase identification is controlled
Reason method, which is characterized in that the coordinate data of each ammeter is embedded in or by each electricity when ammeter is mounted in the entire platform area
Table is acquired using itself preset positioning device.
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