CN107067156A - Appraisal procedure and device that power distribution network has a power failure tactful - Google Patents
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Abstract
The appraisal procedure and device for having a power failure tactful the present invention relates to power distribution network.Methods described includes：Show that the information at least two power failure strategies, the power failure strategy includes have a power failure date and power failure period according to the power failure month and power failure duration；The power-off switch coding and looped network for obtaining this scheduled outage turn power switch coding, and the related distribution transforming influenceed by this scheduled outage is drawn according to the network topology structure of power distribution network；For each strategy that has a power failure, the history same period load curve of every related distribution transforming is obtained respectively, and obtains the same period average electric sales rate of every related distribution transforming；According to the history same period load curve and the same period average electric sales rate, total losses electricity and the total losses electricity charge of the lower all related distribution transforming of each strategy that has a power failure are calculated respectively；The comprehensive loss of each strategy that has a power failure is calculated according to each total losses electricity having a power failure under strategy and the total losses electricity charge, the minimum optimal power failure strategy of comprehensive loss is determined.The present invention can reduce the line loss caused by power failure operation.
Description
Technical field
The present invention relates to electric power network technique field, appraisal procedure and device that more particularly to power distribution network has a power failure tactful.
Background technology
When the equipment on distribution network line such as needs to be installed, debugged or overhauled at the operation, circuit is needed in having a power failure
State is to ensure the job safety of workmen.But, line outage can influence this distribution network line to supply user's normal
Electricity consumption, brings greater impact to user's life and production in the line powering scope.
Before power failure operation, power supply station personnel need to formulate power failure scheme, generally, and power supply station personnel are formulating
It is typically to be selected to determine to have a power failure according to the work habit (work hours) and work schedules of workmen during power failure scheme
Scheme, including regional extent, power failure duration, power failure date and period etc..However, this power failure scheme is likely to result in power failure line
Path loss loses the situation that load is big, dead line loss electricity is big, it is thus possible to cause the electricity consumption influence larger on user and electric power
The greater loss of enterprise's electricity charge income.
The content of the invention
Based on this, the appraisal procedure and device of the strategy that has a power failure the embodiments of the invention provide power distribution network can be reduced because stopping
The line loss that electric operation is caused.
One aspect of the present invention provides the appraisal procedure that power distribution network has a power failure strategy, including：
Obtain power failure month and the power failure duration of this scheduled outage, according to it is described power failure month and power failure duration draw to
Information in the few two kinds strategies that have a power failure, the power failure strategy includes have a power failure date and power failure period；
The power-off switch coding and looped network for obtaining this scheduled outage turn power switch coding, are opened up according to the network of power distribution network
Flutter structure and draw the related distribution transforming influenceed by this scheduled outage；
For each strategy that has a power failure, the history same period load curve of every related distribution transforming is obtained respectively, and obtains every
The same period average electric sales rate of related distribution transforming；According to the history same period load curve and the same period average electric sales rate, calculate respectively
The total losses electricity of each lower all related distribution transforming of the strategy that has a power failure and the total losses electricity charge；
The comprehensive loss of each strategy that has a power failure is calculated according to each total losses electricity having a power failure under strategy and the total losses electricity charge, it is determined that
Go out the minimum optimal power failure strategy of comprehensive loss.
Another aspect of the present invention provides the apparatus for evaluating that a kind of power distribution network has a power failure strategy, including：
Power failure strategy drafts module, power failure month and power failure duration for obtaining this scheduled outage, is stopped according to described
When electric month and power failure duration show that the information at least two power failure strategies, the power failure strategy includes having a power failure the date with having a power failure
Section；
Distribution transforming identification module, for obtaining, the power-off switch of this scheduled outage is encoded and looped network turns power switch coding,
The related distribution transforming influenceed by this scheduled outage is drawn according to the network topology structure of power distribution network；
Tactful quantization modules, for each strategy that has a power failure, obtain the history same period load curve of every related distribution transforming respectively,
And obtain the same period average electric sales rate of every related distribution transforming；It is equal according to the history same period load curve and the same period sale of electricity
Valency, calculates total losses electricity and the total losses electricity charge of the lower all related distribution transforming of each strategy that has a power failure respectively；
Policy Filtering module, each strategy that has a power failure is calculated according to each total losses electricity having a power failure under strategy and the total losses electricity charge
Comprehensive loss, determines the minimum optimal power failure strategy of comprehensive loss.
The appraisal procedure and device for having a power failure tactful based on the power distribution network that above-described embodiment is provided, for each strategy that has a power failure,
The history same period load curve and same period average electric sales rate of every related distribution transforming are obtained respectively；Based on the history same period load curve
And the same period average electric sales rate, the total losses electricity and total losses electricity of the lower all related distribution transforming of each strategy that has a power failure are calculated respectively
Take；The comprehensive loss of each strategy that has a power failure can be further calculated according to each total losses electricity having a power failure under strategy and the total losses electricity charge,
Determine the minimum optimal power failure strategy of comprehensive loss.Using the power failure month of the optimal strategy that has a power failure, have a power failure and the date and stop
The electric period carries out power failure control, it is ensured that line loss is minimized caused by power failure.
Brief description of the drawings
Fig. 1 is the indicative flowchart of the appraisal procedure of the power distribution network power failure strategy of an embodiment；
Fig. 2 is the indicative flowchart of the appraisal procedure of the power distribution network power failure strategy of another embodiment；
Fig. 3 is the schematic diagram of the apparatus for evaluating of the power distribution network power failure strategy of an embodiment.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 is the indicative flowchart of the appraisal procedure of the power distribution network power failure strategy of an embodiment；As shown in figure 1, this reality
Applying the appraisal procedure of the power distribution network power failure strategy in example includes step：
S11, obtains power failure month and the power failure duration of this scheduled outage, is growed according to the power failure month and when having a power failure
The information gone out at least two power failure strategies, the power failure strategy includes have a power failure date and power failure period；
It is understood that the information in the strategy that has a power failure also includes have a power failure month and power failure duration, during the power failure
The corresponding total duration of section is equal to the power failure duration.The power failure month of any two kinds of power failures strategy and power failure duration are equal, stop
At least one in electric date and the period that has a power failure is differed.
The power failure strategy that the step is obtained can include all power failure strategies with feasibility, such as according to scheduled outage
Month and power failure duration, with reference to the work schedules of power supply station workmen, draw a variety of feasible power failure strategies.
S12, the power-off switch coding and looped network for obtaining this scheduled outage turns power switch coding, according to the net of power distribution network
Network topological structure draws the related distribution transforming influenceed by this scheduled outage；
This step essentially consists in this scheduled outage of analysis by the circuit having influence on.
It is preferred that, the information recorded in power distribution network Production MIS on scheduled outage list can be read, obtains and has a power failure
Switch coding, looped network turn power switch coding, the month of scheduled outage and power failure duration.
Wherein, above-mentioned steps S12 and S13 execution can in no particular order sequentially.
S13, for each strategy that has a power failure, obtains history same period load curve and the same period sale of electricity of every related distribution transforming respectively
Average price；According to the history same period load curve and the same period average electric sales rate, each strategy that has a power failure is calculated respectively lower all
The total losses electricity of related distribution transforming and the total losses electricity charge.
In a preferred embodiment, the history same period load curve and same period average electric sales rate for obtaining every related distribution transforming
Can be：Obtain the load curve and average electric sales rate of every related distribution transforming in the default period history same period；During the history same period
Section is the upper January in scheduled outage month, the date interval power failure date in the strategy that has a power failure and its front and rear setting
In number of days, the period interval power failure period in the strategy that has a power failure.
Because at least one in any two kinds have a power failure tactful lower have a power failure dates and the periods that have a power failure is differed, therefore any two kinds
The tactful corresponding period history same period that has a power failure differs.
S14, the comprehensive loss of each strategy that has a power failure is calculated according to each total losses electricity having a power failure under strategy and the total losses electricity charge,
Determine the minimum optimal power failure strategy of comprehensive loss.
In a preferred embodiment, can be that total losses electricity and the total losses electricity charge set a weight coefficient respectively in advance, it is right
Each total losses electricity having a power failure under strategy and the total losses electricity charge are weighted summation, and obtaining each the comprehensive of the strategy that has a power failure with this damages
Lose.
The appraisal procedure of power distribution network power failure strategy based on above-described embodiment, with the history of distribution transforming in the circuit for the correlation that has a power failure
Based on same period load curve record, referred to the contemporaneous data in the distribution transforming short time, caused by each power failure scheme
Loss of outage quantified, and optimal power failure scheme is evaluated according to loss of outage, power supply station personnel are formulating power failure scheme
When reference is provided, the line loss caused by power failure operation is minimized, so reduce user is caused electricity consumption influence and
The loss of electric power enterprise electricity charge income.
With reference to Fig. 2, the appraisal procedure to the power distribution network power failure strategy of another embodiment of the present invention is illustrated, this reality
The appraisal procedure for applying the power distribution network power failure strategy of example is as follows including step：
S21, obtains power failure month and the power failure duration of this scheduled outage, is growed according to the power failure month and when having a power failure
The information gone out at least two power failure strategies, the power failure strategy includes have a power failure date and power failure period；
S22, the power-off switch coding and looped network for obtaining this scheduled outage turns power switch coding, according to the net of power distribution network
Network topological structure draws the related distribution transforming influenceed by this scheduled outage；
Preferential, the system with topological analysis service function can be used, it is defeated in the topological analysis service interface of the system
Enter power-off switch coding and looped network turns power switch coding, system passes through network topology computing, exports distribution transforming power failure influence.
S23, for each strategy that has a power failure, obtain in the default period history same period every related distribution transforming load curve and
Average electric sales rate；
In a preferred embodiment, read metering automation system in every distribution transforming within the default period history same period
Load curve and average electric sales rate；The period history same period is the upper January in scheduled outage month, and the interval date is power failure plan
In the power failure date and its front and rear setting number of days in slightly, during the power failure that it is the power failure in tactful that the period is interval
Section.
In a preferred embodiment, the average electric sales rate in the history period same period is obtained in the following way：Gone through described in obtaining
The electricity sales amount and corresponding power selling income of every related distribution transforming in the history period same period；By the power selling income divided by the sale of electricity
Amount, obtains average electric sales rate of the every related distribution transforming within the period history same period.
S24, every related distribution transforming each moment point within the power failure period is obtained according to the history same period load curve
Average load value；
In a preferred embodiment, according to setting time granularity (such as 15 minutes, 30 minutes, 1 hour, can be according to stopping
The setting of electric duration) obtain the load value of each moment point in the history same period load curve of every related distribution transforming；To the date field
The load value of interior synchronization point is averaging, and is obtained every related distribution transforming the average of each moment point within the power failure period and is born
Charge values.
S25, the synchronization point is worth to according to all related distribution transformings in the average load of synchronization point
Lose load；
In a preferred embodiment, the specific implementation of the step can be：To all related distribution transformings in synchronization point
The average load value summed, summed result is multiplied by the growth factor K of setting, all related distribution transformings are obtained described
The loss load of synchronization point.
S26, according to the loss electricity of each moment point of loss carry calculation, to whole moment in the power failure period
The loss electricity summation of point, obtains the total losses electricity that correspondence has a power failure under strategy；
In a preferred embodiment, can according to the concrete mode of the loss electricity of each moment point of loss carry calculation
For：The loss electricity of each moment point is calculated using integration method according to the loss load.
S27, every related distribution transforming is worth in institute according to every related distribution transforming in the average load of each moment point
State the total losses load having a power failure in the period；According to the related distribution transforming of the total losses carry calculation every within the power failure period
Total losses electricity；
In a preferred embodiment, the embodiment of the step can be：According to every related distribution transforming at each moment
The average load of point is worth to total losses load of the every related distribution transforming within the power failure period, including：To every phase
Close distribution transforming to be summed in the average load value of each moment point, summed result is multiplied by the growth factor, obtain every
Total losses load of the platform correlation distribution transforming within the power failure period.
In a preferred embodiment, the embodiment of the step can be：According to the total losses load using integration
Method calculates total losses electricity of the every related distribution transforming within the power failure period.
S28, when obtaining the power failure according to the total losses electricity and the same period average electric sales rate of every related distribution transforming
The loss electricity charge of every related distribution transforming in section；
Preferential, the total losses electricity of every related distribution transforming is multiplied with the same period average electric sales rate, institute is can obtain
State the loss electricity charge of every related distribution transforming in the period that has a power failure.
S29, the loss electricity charge to all related distribution transformings are summed, and obtain the total losses electricity charge that correspondence has a power failure under strategy.
S30, the comprehensive loss of each strategy that has a power failure is calculated according to each total losses electricity having a power failure under strategy and the total losses electricity charge,
Determine the minimum optimal power failure strategy of comprehensive loss.
With reference to above-described embodiment, below by a specific example, the appraisal procedure for the strategy that has a power failure to power distribution network of the present invention is entered
Row is for example, its process is as follows：
Step 1：Information in reading distribution Production MIS on scheduled outage list, acquisition power-off switch coding,
Looped network turns power switch coding, scheduled outage month and power failure duration；In the present embodiment, power-off switch is 110kV woodss high mountain station
705, its device coding is 163188, and scheduled outage month is in October, 2015, a length of 4 hours during power failure.
Step 2：According to scheduled outage month and power failure duration, with reference to the job placement of power supply station workmen, that is, consider
The factor such as the work habit of workmen and festivals or holidays arrangement, analysis draws the power failure scheme of several possible；If it is considered that state
Have a holiday or vacation arrangement and the arrangement of working time on working day of celebrating long holidays, when can list 8-12 on the 8th in October, during 9-13 on the 8th in October, October
During 10-14 on the 8th, a variety of power failure schemes such as during 14-18 on the 30th in October during 11-15 on the 8th in October ....
Step 3：Using generalized information system or DMS systems, in the topological analysis service interface input power-off switch coding of the system
Turn power switch coding with looped network, system passes through network topology computing, obtains distribution transforming 1, the distribution transforming influenceed by this scheduled outage
2nd ... distribution transforming n.
Step 4：Read every distribution transforming in metering automation system (i.e. corresponding with power failure day 3 days before and after the same period in the month before
Last month on the same day and first three day of this day and latter three days, totally 7 days) in, each moment point (example in the same period (having a power failure several sections) daily
As time granularity be 15 minutes) historical load value, due to have a power failure when a length of 4 hours, then had 16 moment points in 4 hours
(240 minutes/15 minutes=16), are represented with t1, t2, t3, t4 ... t15, t16 respectively.By all matching somebody with somebody of synchronization point
The historical load value of change is added, and obtains total historical load value of all distribution transformings of each moment point：
PTotal t1=Σ (PDistribution transforming 1t1+PDistribution transforming 2t1+...+PDistribution transforming nt1),
…
PTotal tm=∑ (PDistribution transforming 1tm+PDistribution transforming 2tm+...+PDistribution transforming ntm)
Wherein：PTotal t1For total historical load value of the t1 moment points of all distribution transformings power failure influence in described 7 days,
PDistribution transforming 1t1For the historical load value summation at the t1 moment of #1 distribution transformings power failure influence in described 7 days, PDistribution transforming nt1For by power failure shadow
The historical load value summation of t1 moment point of the loud #n distribution transformings in described 7 days；PTotal tmIt is all distribution transformings power failure influence in institute
State the average value of the total load history value of tm moment points in 7 days, PDistribution transforming 1tmIt is #1 distribution transformings power failure influence in described 7 days
The tm moment historical load value summation, PDistribution transforming ntmFor the history of the tm moment points of #n distribution transformings power failure influence in described 7 days
Load value summation.
Step 5：The total load history value of all distribution transformings of each moment point divided by 7 days, obtain all of each moment point
The average value of the total load history value of distribution transforming, growth factor k is multiplied by using the average value as reference value, obtains the institute of each moment point
There is the loss load of distribution transforming：PDamage tm=kPTotal tm, namely obtain all distribution transformings of each moment point in each power failure scheme loss bear
Lotus, wherein, growth factor k is preset according to artificial experience value.
Wherein：PDamage tmFor the loss load of all distribution transformings power failure influence tm moment points in power failure scheme.
Wherein, PTotal T-3tm last monthFor total load history value of the last month with the tm moment points for pushing away 3 days a few days ago, PTotal T-2tm last monthTo be upper
The individual month total load history value with the tm moment points for pushing away 2 days a few days ago, by that analogy, PTotal T+3tm last monthFor last month pusher 3 days on the same day
The total load history value of tm moment points.
It is understood that above-mentioned steps 4 and step 5 also can be replaced：It is first same in described 7 days according to each distribution transforming
The demand history value summation of moment point, calculates the demand history value average value of synchronization point of each distribution transforming in described 7 days, so
The demand history value average value to each distribution transforming in synchronization point is summed afterwards, and the total of all distribution transformings for obtaining each moment point bears
The average value of lotus history value.
Step 6：Calculated and respectively stopped using integration method according to the loss load of all distribution transformings of each moment point in each power failure scheme
The loss electricity W of all distribution transformings of each moment point in electric schemeDamage tm：
WDamage tm=0.25kPTotal tm,
The loss electricity sum of all distribution transformings of each moment point is sought, the total losses electricity W of each power failure scheme is obtainedDamage：
WDamage=(WDamage t1+WDamage t2+WDamage t3+…+WDamage tm),
Wherein：WDamage tmFor the loss electricity of tm moment all distribution transformings in each power failure scheme, PTotal tmOwn for power failure influence
The average value of distribution transforming total load history value of the tm moment points of 3 days before and after same period last month in each power failure scheme, WDamageRespectively to stop
The total losses electricity of electric scheme；
Step 7：Loss electricity W of the every distribution transforming in each moment point is calculated using integration methodDistribution transforming ntm.Will loss electricity WDistribution transforming ntm
It is cumulative, calculate the loss electricity of each distribution transforming in each power failure scheme：
WDistribution transforming ntm=0.25kPDistribution transforming ntm；
WDistribution transforming n=(WDistribution transforming nt1+WDistribution transforming nt2+WDistribution transforming nt3+...+WDistribution transforming ntm)；
Wherein：WDistribution transforming ntmFor the loss electricity at the tm moment of #n distribution transformings power failure influence under certain power failure scheme, PDistribution transforming ntm
For the load average value at #n distribution transformings power failure influence three days tm moment before and after the same period in January a few days ago that has a power failure, WDistribution transforming nTo be had a power failure
Loss electricity of the #n distribution transformings of influence in certain power failure scheme.
Step 8：Electricity sales amount according to every distribution transforming last month in the history period same period is obtained by marketing system
WDistribution transforming nLast month summation sale of electricity total income JDistribution transforming n is total last month, calculate distribution transforming sale of electricity flat fare j in the middle period history same period in the month beforeDistribution transforming n：
jDistribution transforming n=JDistribution transforming n is total last month/WDistribution transforming n is total last month；
Wherein：JDistribution transforming n is total last monthFor the total electricity bill (containing tax) of sale of electricity in the history period same period in #n distribution transforming last months, WDistribution transforming n is total last month
For the total electricity of sale of electricity in the history period same period in #n distribution transforming last months；
Step 9：Calculate loss electricity charge F of the every distribution transforming in each moment point in each power failure schemeDistribution transforming n：
FDistribution transforming n=WDistribution transforming n·jDistribution transforming n；
Wherein：FDistribution transforming nFor the loss electricity charge of #n distribution transformings power failure influence in certain power failure scheme.
Step 10：Loss electricity charge summation to all moment points of every distribution transforming in each power failure scheme, obtains each power failure scheme
Total losses electricity charge FDamage：
FDamage=Σ (FDistribution transforming 1+FDistribution transforming 2+…+FDistribution transforming n),
Wherein：FDamageFor all distribution transformings power failure influence each power failure scheme the total losses electricity charge.
Step 11：According to each total losses electricity W having a power failure under strategyDamageWith total losses electricity charge FDamageCalculate each the comprehensive of strategy that have a power failure
Loss is closed, the minimum optimal power failure strategy of comprehensive loss is determined.
Pass through the total losses electricity W of more each power failure schemeDamageWith power failure total losses electricity charge FDamage, can be by total losses electricity WDamageWith
Total losses electricity charge FDamageDetermine the minimum power failure scheme of loss of outage.
It should be noted that for foregoing each method embodiment, for simplicity description, it is all expressed as a series of
Combination of actions, but those skilled in the art should know, the present invention is not limited by described sequence of movement, because according to
According to the present invention, some steps can use other orders or carry out simultaneously.In addition, also any group can be carried out to above-described embodiment
Close, obtain other embodiments.
Based on the appraisal procedure identical thought for the strategy that has a power failure with the power distribution network in above-described embodiment, the present invention, which is also provided, to be matched somebody with somebody
The apparatus for evaluating of grid power blackout strategy, the device can be used for the appraisal procedure for performing above-mentioned power distribution network power failure strategy.For the ease of
Illustrate, in the structural representation of the apparatus for evaluating embodiment of power distribution network power failure strategy, illustrate only and phase of the embodiment of the present invention
The part of pass, it will be understood by those skilled in the art that the restriction of schematic structure not structure twin installation, can be included than diagram more
Many or less parts, either combine some parts or different parts arrangement.
Fig. 3 is the schematic diagram of the apparatus for evaluating of the power distribution network power failure strategy of one embodiment of the invention；Such as Fig. 3 institutes
Show, the apparatus for evaluating of the power distribution network power failure strategy of the present embodiment includes：Power failure strategy drafts module 310, distribution transforming identification module
320th, tactful quantization modules 330 and Policy Filtering module 340, details are as follows for each module：
The power failure strategy drafts module 310, power failure month and power failure duration for obtaining this scheduled outage, according to
Have a power failure month and the power failure duration draw the information at least two power failure strategies, the power failure strategy include having a power failure the date and
Have a power failure the period；
The distribution transforming identification module 320, for obtaining, the power-off switch of this scheduled outage is encoded and looped network turns power supply and opened
Coding is closed, the related distribution transforming influenceed by this scheduled outage is drawn according to the network topology structure of power distribution network；
The tactful quantization modules 330, for each strategy that has a power failure, the history same period that every related distribution transforming is obtained respectively is born
Lotus curve, and obtain the same period average electric sales rate of every related distribution transforming；According to the history same period load curve and described same
Phase average electric sales rate, calculates total losses electricity and the total losses electricity charge of the lower all related distribution transforming of each strategy that has a power failure respectively；
In a preferred embodiment, it may include in the tactful quantization modules 330：Historical information acquisition submodule, is used for
For each strategy that has a power failure, the load curve and average electric sales rate of every related distribution transforming in the default period history same period are obtained；Institute
State upper January of the history period same period for the power failure month, the date interval power failure date in the strategy that has a power failure
And its in front and rear setting number of days, the period interval power failure period in the strategy that has a power failure.
The Policy Filtering module 340, calculates according to each total losses electricity having a power failure under strategy and the total losses electricity charge and respectively stops
The comprehensive loss of electric strategy, determines the minimum optimal power failure strategy of comprehensive loss.
It should be noted that above-mentioned example power distribution network have a power failure strategy apparatus for evaluating embodiment in, each module it
Between the content such as information exchange, implementation procedure, due to being based on same design, its skill brought with preceding method embodiment of the present invention
Art effect is identical with preceding method embodiment of the present invention, and particular content can be found in the narration in the inventive method embodiment, herein
Repeat no more.
In addition, the power distribution network of above-mentioned example has a power failure in the embodiment of the apparatus for evaluating of strategy, the logic of each functional module
Division is merely illustrative of, can be as needed in practical application, such as configuration requirement for corresponding hardware or software
The convenient consideration of realization, above-mentioned functions are distributed and completed by different functional modules, will the power distribution network have a power failure the commenting of strategy
The internal structure for estimating device is divided into different functional modules, to complete all or part of function described above.It is wherein each
Function mould can both be realized in the form of hardware, it would however also be possible to employ the form of software function module is realized.
It will appreciated by the skilled person that realizing all or part of flow in above-described embodiment method, being can
To instruct the hardware of correlation to complete by computer program, described program can be stored in embodied on computer readable storage Jie
In matter, as independent production marketing or use.Described program upon execution, can perform the complete of such as embodiment of above-mentioned each method
Portion or part steps.Wherein, described storage medium can be magnetic disc, CD, read-only memory (Read-Only
Memory, ROM) or random access memory (Random Access Memory, RAM) etc..
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiments.
Embodiment described above only expresses the several embodiments of the present invention, it is impossible to be interpreted as to the scope of the claims of the present invention
Limitation.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise,
Various modifications and improvements can be made, these belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention
It should be determined by the appended claims.
Claims (10)
- The appraisal procedure of strategy 1. a kind of power distribution network has a power failure, it is characterised in that including：Power failure month and the power failure duration of this scheduled outage are obtained, at least two are drawn according to the power failure month and power failure duration The information planted in the strategy that has a power failure, the power failure strategy includes date and the power failure period of having a power failure；The power-off switch coding and looped network for obtaining this scheduled outage turn power switch coding, according to the network topology knot of power distribution network Structure draws the related distribution transforming influenceed by this scheduled outage；For each strategy that has a power failure, the history same period load curve and same period average electric sales rate of every related distribution transforming are obtained respectively；Root According to the history same period load curve and the same period average electric sales rate, the lower all related distribution transforming of each strategy that has a power failure is calculated respectively Total losses electricity and the total losses electricity charge；The comprehensive loss of each strategy that has a power failure is calculated according to each total losses electricity having a power failure under strategy and the total losses electricity charge, is determined comprehensive Close the minimum optimal power failure strategy of loss.
- The appraisal procedure of strategy 2. power distribution network according to claim 1 has a power failure, it is characterised in that obtain every correlation respectively The history same period load curve and same period average electric sales rate of distribution transforming, including：Obtain the load curve and average electric sales rate of every related distribution transforming in the default period history same period；The period history same period For the upper January in the power failure month, the date interval power failure date and its front and rear setting day in the strategy that has a power failure In number, the period interval power failure period in the strategy that has a power failure.
- The appraisal procedure of strategy 3. power distribution network according to claim 2 has a power failure, it is characterised in that according to the history same period Load curve and the same period average electric sales rate, calculate respectively the lower all related distribution transformings of each strategy that has a power failure total losses electricity and The total losses electricity charge, including：Every related distribution transforming the average of each moment point within the power failure period is obtained according to the history same period load curve to bear Charge values；Born according to all related distribution transformings in the loss that the average load of synchronization point is worth to the synchronization point Lotus；According to the loss electricity of each moment point of loss carry calculation, to described in whole moment points in the power failure period Electricity summation is lost, the total losses electricity that correspondence has a power failure under strategy is obtained；Every related distribution transforming is worth in whole moment points in the average load of each moment point according to every related distribution transforming Total losses load；According to total losses electricity of the related distribution transforming of the total losses carry calculation every within the power failure period； According to the total losses electricity and the same period average electric sales rate of every related distribution transforming obtain in the power failure period every it is related The loss electricity charge of distribution transforming；Loss electricity charge summation to all related distribution transformings, obtains the total losses electricity that correspondence has a power failure under strategy Take.
- The appraisal procedure of strategy 4. power distribution network according to claim 3 has a power failure, it is characterised in that according to the history same period Load curve obtains the average load value of every related distribution transforming each moment point within the power failure period, including：The load value of each moment point in the history same period load curve of every related distribution transforming is obtained according to setting time granularity；To every Platform correlation distribution transforming whole load values of synchronization point in the date is interval are averaging, and obtain every related distribution transforming described The average load value of each moment point in the power failure period.
- The appraisal procedure of strategy 5. power distribution network according to claim 3 has a power failure, it is characterised in thatThe loss load of the synchronization point is worth in the average load of synchronization point according to all related distribution transformings, Including：All related distribution transformings are summed in the average load value of synchronization point, summed result is multiplied by setting Growth factor, obtains all loss load of the related distribution transforming in the synchronization point；According to every related distribution transforming when the average load of each moment point is worth to every related distribution transforming in the power failure Total losses load in section, including：Every related distribution transforming is summed in the average load value of each moment point, will be asked The growth factor is multiplied by with result, total losses load of the every related distribution transforming within the power failure period is obtained.
- The appraisal procedure of strategy 6. power distribution network according to claim 3 has a power failure, it is characterised in thatAccording to the loss electricity of each moment point of loss carry calculation, including：Integration method is used according to the loss load Calculate the loss electricity of each moment point；According to total losses electricity of the related distribution transforming of the total losses carry calculation every within the power failure period, including：According to The total losses load calculates total losses electricity of the every related distribution transforming within the power failure period using integration method.
- The appraisal procedure of strategy 7. power distribution network according to claim 2 has a power failure, it is characterised in that obtain default history same The average electric sales rate of every related distribution transforming in period phase, including：Obtain the electricity sales amount and corresponding power selling income of every related distribution transforming in the period history same period；The sale of electricity is received Enter divided by the electricity sales amount, obtain average electric sales rate of the every related distribution transforming within the period history same period.
- The appraisal procedure of strategy 8. power distribution network according to claim 2 has a power failure, it is characterised in that the date interval is to stop The power failure date in electric strategy and its it is front and rear three days in.
- The apparatus for evaluating of strategy 9. a kind of power distribution network has a power failure, it is characterised in that including：Power failure strategy drafts module, power failure month and power failure duration for obtaining this scheduled outage, according to the power failure moon Part and power failure duration show that the information at least two power failure strategies, the power failure strategy includes have a power failure date and power failure period；Distribution transforming identification module, for obtaining, the power-off switch of this scheduled outage is encoded and looped network turns power switch coding, according to The network topology structure of power distribution network draws the related distribution transforming influenceed by this scheduled outage；Tactful quantization modules, for each strategy that has a power failure, obtain the history same period load curve of every related distribution transforming respectively, and Obtain the same period average electric sales rate of every related distribution transforming；According to the history same period load curve and the same period average electric sales rate, Total losses electricity and the total losses electricity charge of the lower all related distribution transforming of each strategy that has a power failure are calculated respectively；Policy Filtering module, the synthesis of each strategy that has a power failure is calculated according to each total losses electricity having a power failure under strategy and the total losses electricity charge Loss, determines the minimum optimal power failure strategy of comprehensive loss.
- The apparatus for evaluating of strategy 10. power distribution network according to claim 9 has a power failure, it is characterised in that the strategy quantifies mould Block includes：Historical information acquisition submodule, for for each strategy that has a power failure, obtaining every correlation in the default period history same period The load curve and average electric sales rate of distribution transforming；The period history same period for it is described power failure month the upper January, the date interval be Have a power failure strategy in the power failure date and its front and rear setting number of days in, the period interval for it is described have a power failure strategy in it is described Have a power failure the period.
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