CN109031041A - Distribution network voltage monitoring device points distributing method and system - Google Patents
Distribution network voltage monitoring device points distributing method and system Download PDFInfo
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- CN109031041A CN109031041A CN201810736621.4A CN201810736621A CN109031041A CN 109031041 A CN109031041 A CN 109031041A CN 201810736621 A CN201810736621 A CN 201810736621A CN 109031041 A CN109031041 A CN 109031041A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
Abstract
The present invention relates to distribution network voltage monitoring device points distributing method and systems, comprising: carries out overloaded partition to power distribution network according to load condition, obtains multiple load areas；Each load area end is configured into a voltage monitoring point as the initial sensor distributing of voltage monitor；Calculate the maximum voltage estimated bias of initial sensor distributing, voltage monitoring point is increased newly at maximum voltage estimated bias when maximum voltage estimated bias is discontented with the constraint of afc voltage estimated bias, until obtaining the revision sensor distributing that maximum voltage estimated bias meets the constraint of voltage estimated bias；The significance level of each voltage monitoring point in revision sensor distributing is ranked up, successively rejects voltage monitoring point by the minimum position of significance level, until obtaining meeting the constraint of voltage estimated bias and least target sensor distributing of layouting.In this way on the basis of guaranteeing voltage estimated accuracy, the least voltage monitoring sensor distributing in position of layouting can be quickly obtained, provides foundation of layouting for distribution network voltage monitoring.
Description
Technical field
The present invention relates to distribution network voltage monitor field, more particularly to distribution network voltage monitoring device points distributing method be
System.
Background technique
Real-time monitoring network voltage is the premise for administering distribution network voltage quality problems, configures voltage for each voltage node
Though monitoring device can accurately obtain real-time voltage distribution, its deployment cost is sufficiently expensive.In view of same feeder voltage
Correlation can suitably reduce voltage monitoring point, power system state estimation method then be utilized, according to multiple voltage monitoring data
To estimate the voltage's distribiuting of the whole network.
The very few network voltage inaccuracy that will lead to estimation in distribution network voltage monitoring point, and voltage monitoring point excessively will lead to
Redundancy waste, thus reasonable disposition voltage monitor, i.e., realize the whole network electricity for meeting error requirements with least monitoring device
Pressure monitoring is of great significance to reducing equipment investment, improving electric system economic benefit.At this stage frequently with the method for traversal
The optimal sensor distributing of voltage monitor is obtained, but the number of nodes of urban power distribution network is more, traverses needed for all sensor distributings
Time is long, and calculating process is complicated.Research quickly and effectively voltage monitor points distributing method is needed as a result,.
Summary of the invention
Based on this, it is necessary to provide a kind of distribution network voltage monitoring device points distributing method and system.
A kind of distribution network voltage monitoring device points distributing method comprising: load point is carried out to power distribution network according to load condition
Area obtains multiple load areas；Each load area end is configured into a voltage monitoring point as the first of voltage monitor
Beginning sensor distributing；The maximum voltage estimated bias for calculating initial sensor distributing is discontented with afc voltage when maximum voltage estimated bias and is estimated
Voltage monitoring point is increased when counting deviation constraint newly at maximum voltage estimated bias, until obtaining maximum voltage estimated bias meets electricity
Press the revision sensor distributing of estimated bias constraint；The significance level of each voltage monitoring point in revision sensor distributing is ranked up,
Voltage monitoring point is successively rejected by the minimum position of significance level, until obtaining meeting the constraint of voltage estimated bias and layout
Least target sensor distributing.
Above-mentioned distribution network voltage monitoring device points distributing method constantly optimizes cloth by calculating maximum voltage estimated bias
The position of layouting of point scheme obtains meeting the constraint of voltage estimated bias and least target sensor distributing of layouting, so as to close
Reason configuration distribution network voltage monitoring device, on the basis of guaranteeing voltage estimated accuracy, the position that can quickly obtain layouting is minimum
Voltage monitoring sensor distributing, for distribution network voltage monitoring provide foundation of layouting, be conducive to distribution network voltage quality problems
It administers.
Overloaded partition is carried out to power distribution network according to load condition in one of the embodiments, comprising: according to load condition
Overloaded partition is carried out to power distribution network according to the principle of power load distributing equilibrium between each load area.
Voltage monitoring point is successively rejected by the minimum position of significance level in one of the embodiments, until
To meet voltage estimated bias constraint and least target sensor distributing of layouting, comprising: by the minimum position of significance level
Voltage monitoring point is successively rejected, the maximum voltage estimated bias after rejecting voltage monitoring point is calculated, when maximum voltage estimated bias
Sensor distributing is layouted as the target before the last one voltage monitoring point will be rejected when discontented afc voltage estimated bias constraint
Scheme.
After calculating the maximum voltage estimated bias after rejecting voltage monitoring point in one of the embodiments, work as maximum
When voltage estimated bias meets the constraint of voltage estimated bias, continue to reject voltage monitoring point by the minimum position of significance level.
The significance level of each voltage monitoring point in revision sensor distributing is ranked up in one of the embodiments, is wrapped
It includes: being estimated according to the voltage for updating sensor distributing after the voltage estimated bias of revision sensor distributing and a certain voltage monitoring point of rejecting
Deviation obtains the voltage monitoring point to the significance level of the voltage estimated bias of revision sensor distributing, then according to the important journey
Degree is ranked up each voltage monitoring point in revision sensor distributing.
It rejects in one of the embodiments, and updates the voltage estimated bias of sensor distributing after a certain voltage monitoring point and get over
Greatly, then the voltage monitoring point is higher to the significance level of the voltage estimated bias of revision sensor distributing.
The distribution network voltage monitoring device points distributing method in one of the embodiments, further include: export the target
Sensor distributing.
The target sensor distributing is exported in one of the embodiments, to target terminal.
The distribution network voltage monitoring device points distributing method in one of the embodiments, further include: according to the target
Sensor distributing designs or adjusts each voltage monitoring point.
A kind of distribution network voltage monitoring device system for arranging gravity points, uses distribution network voltage monitoring device described in any of the above-described
Points distributing method is realized.
Above-mentioned distribution network voltage monitoring device system for arranging gravity points constantly optimizes cloth by calculating maximum voltage estimated bias
The position of layouting of point scheme obtains meeting the constraint of voltage estimated bias and least target sensor distributing of layouting, so as to close
Reason configuration distribution network voltage monitoring device, on the basis of guaranteeing voltage estimated accuracy, the position that can quickly obtain layouting is minimum
Voltage monitoring sensor distributing, for distribution network voltage monitoring provide foundation of layouting, be conducive to distribution network voltage quality problems
It administers.
Detailed description of the invention
Fig. 1 is the distribution network voltage monitoring device points distributing method flow diagram of one embodiment of the invention.
Fig. 2 is the distribution network load subregion schematic diagram of another embodiment of the present invention.
Fig. 3 is the distribution network voltage monitoring device points distributing method flow diagram of another embodiment of the present invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case where violating intension of the present invention, therefore the present invention is not limited by the specific embodiments disclosed below.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be with
It is directly to another element or may be simultaneously present centering elements.Term as used herein " vertically ", " level
", "left", "right" and similar statement for illustrative purposes only, be not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant listed item.
As shown in Figure 1, a kind of distribution network voltage monitoring device points distributing method comprising: according to load condition to power distribution network
Overloaded partition is carried out, multiple load areas are obtained；Each load area end is configured a voltage monitoring point as voltage to supervise
Survey the initial sensor distributing of device；The maximum voltage estimated bias for calculating initial sensor distributing, when maximum voltage estimated bias not
Voltage monitoring point is increased newly at maximum voltage estimated bias when meeting the constraint of voltage estimated bias, until obtaining maximum voltage estimation
Deviation meets the revision sensor distributing of voltage estimated bias constraint；To the significance level of each voltage monitoring point in revision sensor distributing
It is ranked up, successively rejects voltage monitoring point by the minimum position of significance level, until obtaining meeting voltage estimated bias
It constrains and least target sensor distributing of layouting.Above-mentioned distribution network voltage monitoring device points distributing method, by calculating maximum voltage
Estimated bias, constantly the position of layouting of Optimizing scheme, obtains meeting the constraint of voltage estimated bias and least mesh of layouting
Sensor distributing is marked, it can on the basis of guaranteeing voltage estimated accuracy so as to reasonable disposition distribution network voltage monitoring device
The least voltage monitoring sensor distributing in position of layouting quickly is obtained, foundation of layouting is provided for distribution network voltage monitoring, is conducive to
The improvement of distribution network voltage quality problems.
Overloaded partition is carried out to power distribution network according to load condition in one of the embodiments, comprising: according to load condition
Overloaded partition is carried out to power distribution network according to the principle of power load distributing equilibrium between each load area.Further, according to load condition
Distribution load is to power distribution network, according to the original of the interregional power load distributing equilibrium of the position of power distribution network and distribution and its target load
Then, overloaded partition is carried out to power distribution network.In this way, being conducive to the power load distributing for embodying each load area in initial sensor distributing
Equilibrium so that each voltage monitoring point for initial sensor distributing embodies more balanced distribution, and then can ensure subsequent step
The maximum voltage estimated bias of initial sensor distributing in rapid falls in a more normal range, is further able to be promoted subsequent
Revise the computational efficiency of sensor distributing or even the computational efficiency of target sensor distributing.A kind of distribution in one of the embodiments,
Net voltage monitor points distributing method comprising: according to load condition according to the principle of power load distributing equilibrium between each load area
Overloaded partition is carried out to power distribution network, obtains multiple load areas；Each load area end is configured a voltage monitoring point to make
For the initial sensor distributing of voltage monitor；The maximum voltage estimated bias for calculating initial sensor distributing, when maximum voltage is estimated
It counts when deviation is discontented with the constraint of afc voltage estimated bias and increases voltage monitoring point newly at maximum voltage estimated bias, until obtaining maximum
Voltage estimated bias meets the revision sensor distributing of voltage estimated bias constraint；To each voltage monitoring point in revision sensor distributing
Significance level is ranked up, and successively rejects voltage monitoring point by the minimum position of significance level, until obtaining meeting voltage
Estimated bias constraint and least target sensor distributing of layouting.Remaining embodiment and so on.
Further, the maximum voltage estimated bias of initial sensor distributing is calculated in one of the embodiments, comprising:
According to voltage monitoring data and power system state estimation method, estimates whole network voltage distribution, calculate initial sensor distributing most
Big voltage estimated bias.Further, the maximum voltage estimated bias of initial sensor distributing is calculated, comprising: according to voltage monitoring
Data and power system state estimation method, estimation whole network voltage distribution, the maximum voltage estimation for calculating initial sensor distributing are inclined
Difference, according to the initial sensor distributing of voltage estimated bias constraint test.Further, when maximum voltage estimated bias is discontented with afc voltage
Voltage monitoring point is increased when estimated bias constrains newly at maximum voltage estimated bias, until obtaining maximum voltage estimated bias satisfaction
The revision sensor distributing of voltage estimated bias constraint, comprising: to the sensor distributing of discontented afc voltage estimated bias constraint, in maximum
It increases voltage monitoring point at voltage estimated bias newly and carries out project setting, and recalculate and examine the maximum of sensor distributing after adjustment
Voltage estimated bias continues to adjust if the constraint of discontented afc voltage estimated bias, obtains if meeting the constraint of voltage estimated bias
Meet the revision sensor distributing of voltage estimated bias constraint.
Voltage monitoring point is successively rejected by the minimum position of significance level in one of the embodiments, until
To meet voltage estimated bias constraint and least target sensor distributing of layouting, comprising: by the minimum position of significance level
Voltage monitoring point is successively rejected, the maximum voltage estimated bias after rejecting voltage monitoring point is calculated, when maximum voltage estimated bias
Sensor distributing is layouted as the target before the last one voltage monitoring point will be rejected when discontented afc voltage estimated bias constraint
Scheme.After calculating the maximum voltage estimated bias after rejecting voltage monitoring point in one of the embodiments, work as maximum voltage
When estimated bias meets the constraint of voltage estimated bias, continue to reject voltage monitoring point by the minimum position of significance level.Further
Ground continues to reject voltage monitoring point by the minimum position of significance level, including calculating the maximum voltage after rejecting voltage monitoring point
Estimated bias rejects current voltage monitoring point, returns and continue when maximum voltage estimated bias meets the constraint of voltage estimated bias
The maximum voltage estimated bias calculated after rejecting voltage monitoring point is executed, when the discontented afc voltage estimation of maximum voltage estimated bias is inclined
Sensor distributing is as the target sensor distributing before the last one voltage monitoring point will be rejected when difference constraint.Further, by
The minimum position of significance level starts successively to reject voltage monitoring point, until obtaining meeting the constraint of voltage estimated bias and layout most
Few target sensor distributing, comprising: successively reject voltage monitoring point by the minimum position of significance level, calculate and reject voltage
Maximum voltage estimated bias behind monitoring point, judges whether maximum voltage estimated bias meets the constraint of voltage estimated bias, when most
When big voltage estimated bias meets the constraint of voltage estimated bias, continue to reject voltage monitoring point by the minimum position of significance level,
The side of layouting before the last one voltage monitoring point will be rejected when maximum voltage estimated bias is discontented with the constraint of afc voltage estimated bias
Case is as the target sensor distributing.In this way, on the one hand can determine whether voltage monitoring point needs to retain rapidly by calculating,
On the other hand target sensor distributing can be obtained when meeting maximum voltage estimated bias and being discontented with the constraint of afc voltage estimated bias,
On the basis of guaranteeing voltage estimated accuracy, the least voltage monitoring sensor distributing in position of layouting can be quickly obtained, is power distribution network
Voltage monitoring provides foundation of layouting, and is conducive to the improvement of distribution network voltage quality problems.It is a kind of in one of the embodiments,
Distribution network voltage monitoring device points distributing method comprising: balanced according to power load distributing between each load area according to load condition
Principle carries out overloaded partition to power distribution network, obtains multiple load areas；Each load area end is configured into a voltage monitoring
Initial sensor distributing of the point as voltage monitor；The maximum voltage estimated bias for calculating initial sensor distributing, when maximum electricity
Estimated bias is pressed to increase voltage monitoring point newly at maximum voltage estimated bias when being discontented with the constraint of afc voltage estimated bias, until obtaining
Maximum voltage estimated bias meets the revision sensor distributing of voltage estimated bias constraint；To each voltage monitoring in revision sensor distributing
The significance level of point is ranked up, and voltage monitoring point is successively rejected by the minimum position of significance level, is calculated and is rejected voltage
Maximum voltage estimated bias behind monitoring point, judges whether maximum voltage estimated bias meets the constraint of voltage estimated bias, when most
When big voltage estimated bias meets the constraint of voltage estimated bias, continue to reject voltage monitoring point by the minimum position of significance level,
The side of layouting before the last one voltage monitoring point will be rejected when maximum voltage estimated bias is discontented with the constraint of afc voltage estimated bias
Case is as the target sensor distributing.Remaining embodiment and so on.
The significance level of each voltage monitoring point in revision sensor distributing is ranked up in one of the embodiments, is wrapped
It includes: being estimated according to the voltage for updating sensor distributing after the voltage estimated bias of revision sensor distributing and a certain voltage monitoring point of rejecting
Deviation obtains the voltage monitoring point to the significance level of the voltage estimated bias of revision sensor distributing, then according to the important journey
Degree is ranked up each voltage monitoring point in revision sensor distributing.A certain voltage monitoring point is rejected in one of the embodiments,
The voltage estimated bias for updating sensor distributing afterwards is bigger, then the voltage monitoring point is to the voltage estimated bias for revising sensor distributing
Significance level is higher.The effect of voltage monitoring point can be simply directly embodied in this way, the precedence calculated is determined, thus fastly
Speed effectively determines target sensor distributing.Updating sensor distributing is the update scheme for revising sensor distributing, is referred to as more
New revision sensor distributing.
The distribution network voltage monitoring device points distributing method in one of the embodiments, further include: export the target
Sensor distributing.The target sensor distributing is exported in one of the embodiments, to target terminal.One embodiment wherein
In, the target terminal includes administrator's mobile terminal or computer terminal etc..In this way, can be convenient by target sensor distributing
It notifies administrative staff, realizes effectively management.The distribution network voltage monitoring device points distributing method is also in one of the embodiments,
It include: to design or adjust each voltage monitoring point according to the target sensor distributing.In this way, passing through the above method with can be convenient
Distribution network voltage monitoring device sensor distributing is obtained, i.e., the described target sensor distributing is then real according to the target sensor distributing
Existing distribution network voltage monitoring device is layouted.
The distribution network voltage monitoring device points distributing method includes: according to load condition pair in one of the embodiments,
Power distribution network carries out overloaded partition, and each load area end is configured a voltage monitoring point as the initial of voltage monitor
Sensor distributing Z0；Calculate initial sensor distributing Z0Maximum voltage estimated bias, layout to discontented afc voltage estimated bias constraint
Scheme increases voltage monitoring point newly at maximum voltage estimated bias, until the revision cloth for obtaining meeting the constraint of voltage estimated bias
Point scheme Z1；To revision sensor distributing Z1In the significance level of each voltage monitoring point be ranked up, by the position that significance level is minimum
Start successively to reject voltage monitoring point, until obtaining meeting the constraint of voltage estimated bias and the least target sensor distributing Z that layouts.
In this way, can quickly obtain the least voltage monitoring sensor distributing in position of layouting on the basis of guaranteeing voltage estimated accuracy, be
The voltage monitoring of power distribution network provides foundation of layouting, and is conducive to the improvement of distribution network voltage quality problems.
A kind of distribution network voltage monitoring device points distributing method in one of the embodiments, comprising in following steps
Partly or entirely.
S1, it is shown in Figure 2, power distribution network is carried out according to the principle of each interregional power load distributing equilibrium according to load condition
Then overloaded partition configures a voltage monitoring point in each load area end, thus obtains the initial of voltage monitor
Sensor distributing Z0。
S2 estimates whole network voltage distribution according to voltage monitoring data and power system state estimation method referring to Fig. 3, and
Calculate initial sensor distributing Z0Maximum voltage estimated biasThen it is initially layouted according to voltage estimated bias constraint test
Scheme, voltage estimated bias constrains in one of the embodiments, are as follows:
In formula,For sensor distributing voltage estimated bias to be tested,It can be connect for quality of voltage problem abatement equipment
The maximum voltage estimated bias received.Wherein, sensor distributing to be tested includes initial sensor distributing, revision sensor distributing, updates
Sensor distributing and/or target sensor distributing.
To the sensor distributing of discontented afc voltage estimated bias constraint, voltage monitoring point is increased newly at maximum voltage estimated bias
Project setting is carried out, and recalculates and examine the maximum voltage estimated bias of sensor distributing after adjustment, if discontented afc voltage is estimated
Meter deviation constraint then continues to adjust, and the revision cloth for meeting the constraint of voltage estimated bias is obtained if meeting the constraint of voltage estimated bias
Point scheme Z1。
S3, referring to Fig. 3, to revision sensor distributing Z1In the significance level of each voltage monitoring point be ranked up, specific steps
Are as follows:
1) in revision sensor distributing Z1In, voltage monitoring point k is rejected, remaining voltage monitoring point is retained, calculates and rejects electricity
The voltage estimated bias of sensor distributing after pressure monitoring point kWherein k=1,2 ..., n, n are revision sensor distributing Z1It layouts a
Number.
2) according to revision sensor distributing Z1Voltage estimated biasWith the electricity of sensor distributing after rejecting voltage monitoring point k
Press estimated biasVoltage monitoring point k is obtained to revision sensor distributing Z1Voltage estimated bias contribution are as follows:
3) basisSensor distributing Z will be revised1Middle voltage monitoring point is ranked up from low to high according to significance level,
WhereinBigger, the significance level of the voltage monitoring point is higher.Likewise, can also basisSensor distributing will be revised
Z1Middle voltage monitoring point is ranked up from high to low according to significance level.It is achieved in each voltage monitoring in revision sensor distributing
The significance level of point is ranked up.
To revision sensor distributing Z1In each voltage monitoring point significance level sequence after, layout from significance level is minimum
Position starts to reject voltage monitoring point one by one, and recalculates and examine the maximum voltage of sensor distributing after rejecting voltage monitoring point
Estimated bias continues to reject if meeting the constraint of voltage estimated bias, if discontented this rejecting of afc voltage estimated bias constraint
Preceding sensor distributing is exactly to meet the constraint of voltage estimated bias and the least target sensor distributing Z that layouts.
In one of the embodiments, as shown in figure 3, a kind of distribution network voltage monitoring device points distributing method, including it is following
Step.
S10, power distribution network subregion；Overloaded partition is carried out to power distribution network according to load condition, obtains multiple load areas；
S20 provides initial sensor distributing；Will each load area end configure a voltage monitoring point as voltage prison
Survey the initial sensor distributing of device；
S30 calculates maximum voltage estimated biasThe maximum voltage estimation that this step calculates initial sensor distributing is inclined
Difference
S40 is judged whether there isIt is to execute S50, otherwise executes S60；
S50 increases voltage monitor at maximum voltage estimated bias newly, i.e., increases voltage newly at maximum voltage estimated bias
Monitoring point returns and executes S30；
S60, to layouting, position significance level is ranked up, i.e. the important journey to each voltage monitoring point in revision sensor distributing
Degree is ranked up；
S70 rejects the minimum voltage monitoring point of significance level；
S80 calculates maximum voltage estimated biasIt updates and layouts after this step i.e. a certain voltage monitoring point of calculating rejecting
The voltage estimated bias of scheme；
S90 is judged whether there isIt is to execute S70, otherwise executes S100；
S100, voltage sensor distributing is as final voltage sensor distributing before rejecting, that is, will reject the last one voltage prison
Sensor distributing is as the target sensor distributing before measuring point.
In this way, constantly the position of layouting of Optimizing scheme, obtains meeting electricity by calculating maximum voltage estimated bias
Estimated bias constraint and least target sensor distributing of layouting are pressed, so as to reasonable disposition distribution network voltage monitoring device,
On the basis of guaranteeing voltage estimated accuracy, the least voltage monitoring sensor distributing in position of layouting can be quickly obtained, is power distribution network
Voltage monitoring provides foundation of layouting, and is conducive to the improvement of distribution network voltage quality problems.
Of the invention and its each embodiment provides a kind of distribution network voltage monitoring device points distributing method, can be matched by above-mentioned
Network voltage monitoring device points distributing method obtains distribution network voltage monitoring device sensor distributing.One embodiment is a kind of distribution
Net voltage monitor system for arranging gravity points uses distribution network voltage monitoring device points distributing method described in any of the above-described to realize.Into
One step, distribution network voltage monitoring device system for arranging gravity points include power supply unit, man machine operation interface device, data acquisition device,
Central processing unit and display device；The power supply unit respectively with the man machine operation interface device, the data acquisition device,
The central processing unit and display device connection；The central processing unit respectively with the man machine operation interface device, institute
State data acquisition device and display device connection；The data acquisition device is used to be separately connected each voltage of power distribution network
Monitoring point.Above-mentioned distribution network voltage monitoring device system for arranging gravity points, by calculating maximum voltage estimated bias, constantly Optimizing
The position of layouting of scheme obtains meeting the constraint of voltage estimated bias and least target sensor distributing of layouting, so as to reasonable
Distribution network voltage monitoring device is configured, on the basis of guaranteeing voltage estimated accuracy, the position that can quickly obtain layouting is least
Voltage monitoring sensor distributing provides foundation of layouting for distribution network voltage monitoring, is conducive to controlling for distribution network voltage quality problems
Reason.
Further, the man machine operation interface device is used to input user instruction in one of the embodiments,；At it
In middle one embodiment, the user instruction is that requirement of layouting is also referred to as user and layouts requirement；Further, the man-machine behaviour
Make interface device for input layout requirement, i.e. distribution network voltage monitoring device is layouted requirement, also referred to as distribution network voltage prison
Survey the requirement of device scattered point design.The data acquisition device for acquiring each of power distribution network respectively in one of the embodiments,
The voltage signal of a voltage monitoring point；The central processing unit is used for according to the human-machine operation in one of the embodiments,
The voltage signal of each voltage monitoring point of the layout requirement and data acquisition device acquisition of interface device input, calculates
Meet voltage estimated accuracy and the least voltage monitor sensor distributing in position of layouting, and is output to the display device.Into
One step, the central processing unit is equipped with precision estimation module, layout computing module and scheme computing module；The precision estimation
Module be used for according to the man machine operation interface device input layout requirement and the data acquisition device acquire it is each
The voltage signal of voltage monitoring point, the voltage monitor that calculating meets voltage estimated accuracy layout and are transferred to the scheme meter
Calculate module；Layout requirement and the data of the computing module for being inputted according to the man machine operation interface device of layouting
The voltage signal of each voltage monitoring point of acquisition device acquisition calculates the least voltage monitor in position of layouting and layouts and pass
It is defeated by the scheme computing module；The scheme computing module respectively with the precision estimation module, the computing module of layouting
And the display device connection, it is least for position of layouting and layout according to the voltage monitor for meeting voltage estimated accuracy
Voltage monitor is layouted, and calculating meets voltage estimated accuracy and the least voltage monitor sensor distributing in position of layouting, and
It is output to the display device.Wherein, the voltage monitor sensor distributing, i.e. distribution network voltage monitoring device scattered point design
Scheme, referred to as sensor distributing or design scheme.Further, the precision estimation module, computing module and the institute of layouting
It is an arithmetic unit that it is integrally disposed, which to state scheme computing module,.Further, the central processing unit is additionally provided with the connection arithmetic unit
Memory, the memory be used for store user instruction and/or the data acquisition device acquisition each voltage monitoring point
Voltage signal；Further, the memory for store distribution net work structure and voltage's distribiuting parameter, user layout requirement and
The obtained sensor distributing of arithmetic unit.Further, the central processing unit is additionally provided with the data processing for connecting the arithmetic unit
Chip, the data processing chip are used to receive the lteral data of the man machine operation interface input, are transferred to the arithmetic unit.
Further, the data processing chip is also used to extract the keyword in the lteral data and is transferred to the arithmetic unit.
Further, the data processing chip is also used to receive the voice data of man machine operation interface input, and by institute's predicate
Sound data conversion is transferred to the arithmetic unit at lteral data.
The man machine operation interface device includes text operation interface device in one of the embodiments,.Wherein one
In a embodiment, text operation interface device includes mobile terminal, handwriting pad and/or keyboard.In this manner it is achieved that text is defeated
Enter.The man machine operation interface device includes voice operating interface device in one of the embodiments,.An implementation wherein
In example, the voice operating interface device includes mobile terminal and/or microphone.In this manner it is achieved that voice inputs.Wherein
In one embodiment, the man machine operation interface device includes text operation interface device and voice operating interface device.At it
In middle one embodiment, the text operation interface device and the voice operating interface device are integrally disposed.One wherein
In embodiment, the man machine operation interface device includes keyboard and/or mobile phone.That is, user can be inputted using keyboard
Instruction, the mobile phone that oneself also can be directly used pass through the input method or microphone realization input instruction on mobile phone.
The distribution network voltage monitoring device system for arranging gravity points further includes and the central processing in one of the embodiments,
The sound output device of device connection.The sound output device is speaker in one of the embodiments,.In this way, not only can be with
The calculated result of distribution network voltage monitoring device scattered point design is output to display device；Calculated result, that is, sensor distributing, also known as
For scattered point design scheme, the calculated result of distribution network voltage monitoring device scattered point design can also be output to sound output dress
It sets, to realize the dual output effect of image and sound.Further, the scheme computing module is also defeated with the sound
Device connects out, and the scheme computing module is used to voltage monitor sensor distributing being transferred to the sound output device.
Further, the distribution network voltage monitoring device system for arranging gravity points further includes and the centre in one of the embodiments,
Manage the wireless output device of device connection；The wireless output device is used to the voltage monitor sensor distributing being output to mesh
Mark terminal.The target terminal includes administrator's mobile terminal or computer terminal etc. in one of the embodiments,.
Further, the data acquisition device is also used to acquire distribution net work structure；Alternatively, the man machine operation interface is also
For inputting or importing distribution net work structure；The data acquisition device is equipped with multiple collection terminals in one of the embodiments, often
One collection terminal is used to connect a voltage monitoring point of power distribution network；The collection terminal is for adopting in one of the embodiments,
Collecting voltage parameter；In this way, multiple collection terminal acquisitions provide the voltage's distribiuting parameter in distribution net work structure.One wherein
In embodiment, the data acquisition device is additionally provided with load bus module and voltage's distribiuting module, the load bus module with
The voltage's distribiuting module is connect with the central processing unit respectively.Further, the load in one of the embodiments,
Node module is used to generate load bus admittance according to distribution net work structure and each collection terminal voltage's distribiuting parameter collected
Matrix is simultaneously transferred to the central processing unit, and the voltage's distribiuting module is used for according to distribution net work structure and each collection terminal institute
The voltage's distribiuting parameter of acquisition generates voltage's distribiuting matrix and is transferred to the central processing unit.
The central processing unit includes data processing chip, arithmetic unit and memory in one of the embodiments,；It is described
Data processing chip is connect with the man machine operation interface, the data acquisition device and the display device respectively；The fortune
Device is calculated to connect with the data processing chip and the memory respectively.The data processing core in one of the embodiments,
Piece is used to the user instruction that the man machine operation interface inputs being converted to the identifiable operational data of the arithmetic unit；Wherein
In one embodiment, layout requirement and the data of the arithmetic unit for being inputted according to the man machine operation interface device
The voltage signal of each voltage monitoring point of acquisition device acquisition, calculating meet voltage estimated accuracy and the least electricity in position of layouting
Monitoring device sensor distributing is pressed, and is output to the display device；The memory is for storing in one of the embodiments,
The voltage for each voltage monitoring point that the requirement of layouting of the man machine operation interface device input, the data acquisition device acquire
The voltage monitor sensor distributing that signal and the arithmetic unit are calculated.
Further, the display device setting command preview interface and result export boundary in one of the embodiments,
Face；The order preview interface is also referred to as order preview interface display module, for showing the control command of user's input, institute
It states result output interface and is also referred to as result output interface display module, for showing voltage monitor obtained by central processing unit
It layouts as a result, i.e. sensor distributing.
A kind of distribution network voltage monitoring device system for arranging gravity points in one of the embodiments, the part including the following terms
Or all.Man machine operation interface is used for the order of user's input control, and sends central processing unit for the requirement of layouting of user；
Data acquisition device for acquiring distribution net work structure and voltage's distribiuting parameter, and is sent to central processing unit；Central processing unit,
Distribution net work structure and voltage's distribiuting parameter and layouting for man machine operation interface offer for providing in data acquisition device are wanted
On the basis of asking, calculating meets voltage estimated accuracy and the least voltage monitor sensor distributing in position of layouting；Order preview
Interface, for showing the control command of user's input；As a result output interface, for showing the dress of voltage monitoring obtained by central processing unit
Set result of layouting.Above-mentioned distribution network voltage monitoring device system for arranging gravity points can be quick on the basis of guaranteeing voltage estimated accuracy
The least voltage monitoring sensor distributing in position of layouting is obtained, foundation of layouting is provided for the voltage monitoring of power distribution network, is conducive to match
The improvement of grid voltage quality problem.
A kind of distribution network voltage monitoring device system for arranging gravity points in one of the embodiments, including man machine operation interface, number
According to acquisition device, central processing unit, order preview interface and result output interface.Human-machine operation in one of the embodiments,
Interface, for being sent to central processing unit by user's input control order, and by the requirement of layouting of user.Including for inputting language
The voice input section of sound；Or/and microphone, text can be used in the character input for inputting text, the voice input section
Handwriting pad or/and keyboard can be used in input unit.It is understood that can also be used the voice input device of other concrete types,
Text inputs device, also all falls in the scope of protection of the present invention.The layout requirement, i.e. user's cloth in one of the embodiments,
Point requires, including voltage estimated accuracy, voltage monitoring point range to be selected, and/or, mounted voltage monitor position.Number
Corresponding load bus admittance matrix and voltage are generated for acquiring distribution net work structure and voltage's distribiuting parameter according to acquisition device
Distribution matrix, and it is sent to central processing unit.Central processing unit in one of the embodiments, in data acquisition device
On the basis of the requirement of layouting that the distribution net work structure and voltage's distribiuting parameter and man machine operation interface of offer provide, calculates and meet
The least voltage monitor sensor distributing of voltage estimated accuracy and position of layouting.Central processing in one of the embodiments,
Device includes data processing chip, arithmetic unit and the memory being linked in sequence, and the data processing chip receives the human-machine operation
The lteral data or voice data of interface input, extract the keyword in the lteral data, and by the voice data
It is converted into text data.The arithmetic unit is for selecting sensor distributing and calculating voltage estimated accuracy.The memory storage is matched
Electric network composition and voltage's distribiuting parameter, user layout sensor distributing obtained by requirement and arithmetic unit.Institute in one of the embodiments,
Arithmetic unit is stated to connect with the display device, the sound output device and/or the wireless output device.A reality wherein
It applies in example, order preview interface, for showing the control command of user's input, modifies control instruction convenient for user.Wherein one
In a embodiment, as a result output interface, for showing that voltage monitor obtained by central processing unit is layouted as a result, and power grid electricity
Press estimated accuracy.Distribution network voltage monitoring device sensor distributing can be obtained by above equipment.
It should be noted that other embodiments of the invention further include, the mutually group of the technical characteristic in the various embodiments described above
Close be formed by, the distribution network voltage monitoring device points distributing method that can implement and system.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of distribution network voltage monitoring device points distributing method characterized by comprising
Overloaded partition is carried out to power distribution network according to load condition, obtains multiple load areas；
Each load area end is configured into a voltage monitoring point as the initial sensor distributing of voltage monitor；
The maximum voltage estimated bias for calculating initial sensor distributing, when maximum voltage estimated bias is discontented with afc voltage estimated bias about
Voltage monitoring point is increased when beam newly at maximum voltage estimated bias, until obtaining maximum voltage estimated bias meets voltage estimation partially
The revision sensor distributing of difference constraint；
The significance level of each voltage monitoring point in revision sensor distributing is ranked up, by the minimum position of significance level according to
Secondary rejecting voltage monitoring point, until obtaining meeting the constraint of voltage estimated bias and least target sensor distributing of layouting.
2. distribution network voltage monitoring device points distributing method according to claim 1, which is characterized in that according to load condition to matching
Power grid carries out overloaded partition, comprising: according to load condition according to the principle of power load distributing equilibrium between each load area to power distribution network
Carry out overloaded partition.
3. distribution network voltage monitoring device points distributing method according to claim 1, which is characterized in that minimum by significance level
Position starts successively to reject voltage monitoring point, until obtaining meeting the constraint of voltage estimated bias and the least target side of layouting that layouts
Case, comprising: successively reject voltage monitoring point by the minimum position of significance level, calculate the maximum after rejecting voltage monitoring point
Voltage estimated bias will reject the last one voltage monitoring when maximum voltage estimated bias is discontented with the constraint of afc voltage estimated bias
Sensor distributing is as the target sensor distributing before point.
4. distribution network voltage monitoring device points distributing method according to claim 3, which is characterized in that calculate and reject voltage monitoring
After maximum voltage estimated bias after point, when maximum voltage estimated bias meets the constraint of voltage estimated bias, continue by weight
Reject voltage monitoring point in the position for wanting degree minimum.
5. distribution network voltage monitoring device points distributing method according to claim 1, which is characterized in that in revision sensor distributing
The significance level of each voltage monitoring point is ranked up, comprising: according to the voltage estimated bias of revision sensor distributing and is rejected a certain
The voltage estimated bias that sensor distributing is updated after voltage monitoring point obtains the voltage monitoring point and estimates to the voltage of revision sensor distributing
The significance level of deviation is counted, then each voltage monitoring point in revision sensor distributing is ranked up according to the significance level.
6. distribution network voltage monitoring device points distributing method according to claim 5, which is characterized in that reject a certain voltage monitoring
The voltage estimated bias that sensor distributing is updated after point is bigger, then voltage estimated bias of the voltage monitoring point to revision sensor distributing
Significance level it is higher.
7. distribution network voltage monitoring device points distributing method according to claim 1, which is characterized in that the distribution network voltage prison
Survey device points distributing method further include: export the target sensor distributing.
8. distribution network voltage monitoring device points distributing method according to claim 7, which is characterized in that export the target and layout
Scheme is to target terminal.
9. according to claim 1 to distribution network voltage monitoring device points distributing method described in any one of 8, which is characterized in that described
Distribution network voltage monitoring device points distributing method further include: design or adjust each voltage monitoring according to the target sensor distributing
Point.
10. a kind of distribution network voltage monitoring device system for arranging gravity points, which is characterized in that using such as any one of claims 1 to 9 institute
State the realization of distribution network voltage monitoring device points distributing method.
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