CN106779442A - Have a power failure the generation method and device planned - Google Patents
Have a power failure the generation method and device planned Download PDFInfo
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Abstract
The invention provides a kind of generation method and device of the plan that has a power failure；Wherein, the method includes obtaining the history power failure data of current power system；Wherein, the history power failure data include power failure equipments, the flow data of power failure equipments and device attribute；According to the flow data and/or device attribute of power failure equipments, the power failure window phase of power failure equipments is determined；Power network characteristic and interruption maintenance task set in advance and the operation rule of power system according to power system, the constraints of generation power failure plan；With the daily power failure equipments minimum principle of quantity variance, according to constraints and power failure window phase, the power failure date of power failure equipments is determined.The present invention improves adaptability of the power failure plan to current power network, and then improves the reliability of interruption maintenance plan.
Description
Technical field
The present invention relates to technical field of electric power, more particularly, to a kind of generation method and device of the plan that has a power failure.
Background technology
Power failure plan is that reasonable arrangement relevant device carries out interruption maintenance in the time between overhauls(TBO) of transmission facility, to ensure transmission of electricity
The normal operation of equipment, the conveying electricity safety for ensureing power network, while the conveying capacity for meeting power network is required.The maintenance of equipment is stopped transport
Material impact can be produced to the reliability of system, in a planned way arrange equipment to have a power failure, it can be found that routine test and external observation
The internal problem that cannot be found, finds and processing equipment hidden danger, the confidence level to improving Operation of Electric Systems has very in time
Important effect.
The authorized strength work of current power system power failure plan is mainly formulates by artificial experience, artificial to consult operation rule
Arrange the traditional method of power system operating mode in Dingan County, it is difficult to adapt to the operation needs of following extra-high voltage bulk power grid, and then reduce and stop
The adaptability and reliability of electricity plan.
For above-mentioned power failure plan adaptability and the poor problem of reliability worked out according to artificial experience, not yet carry at present
Go out effective solution.
The content of the invention
In view of this, it is an object of the invention to provide a kind of generation method and device of the plan that has a power failure, to improve power failure
Plan the adaptability to current power network, and then improve the reliability of interruption maintenance plan.
In a first aspect, a kind of generation method of power failure plan is the embodiment of the invention provides, including：Obtain current power system
The history power failure data of system；Wherein, the history power failure data include power failure equipments, the flow data of power failure equipments and equipment category
Property；The flow data at least includes one or more in electric load, conveying electricity and conveying power；The device attribute includes
The unit maintenance phase；According to the flow data and/or device attribute of power failure equipments, the power failure window phase of power failure equipments is determined；According to
The power network characteristic of power system and interruption maintenance task set in advance and the operation rule of power system, generation have a power failure and count
The constraints drawn；Wherein, the power network characteristic includes the equipment association situation with electrical link, power failure equipments and the stabilization of power grids
The power transmission relation of the attaching relation and power failure equipments of section and the peripheral system of current power system；The constraints includes
Mutual exclusion constraints and with stopping constraints；With the daily power failure equipments minimum principle of quantity variance, according to constraints and
Power failure window phase, determines the power failure date of power failure equipments.
With reference in a first aspect, the embodiment of the invention provides the first possible implementation method of first aspect, wherein, on
The flow data and/or device attribute according to power failure equipments are stated, determining the power failure window phase of power failure equipments includes：Work as power failure equipments
During for power channel equipment, the power failure window phase of power failure equipments meets P in D daysL-PD>；Wherein, PLFor D days by channel block
Region load；PDIt is wind speed or the equivalent electric load of photovoltaic；ε is the power failure window phase standard value of power channel；Work as power failure
When equipment is passway for transmitting electricity equipment, the power failure window phase of power failure equipments meets Q in S daysL-QS>；Wherein, QLIt is passway for transmitting electricity equipment
Day maximum can convey electricity；QSFor day conveys Contract generation；δ is the power failure window phase standard value of passway for transmitting electricity；When power failure sets
Standby is to present during for equipment, and the power failure window phase of power failure equipments meets P in K daysK<；Wherein, PKFor feedback supplies the equipment load of K days；μ
It is to present the power failure window phase standard value for equipment.
With reference in a first aspect, the embodiment of the invention provides second possible implementation method of first aspect, wherein, on
State with the daily power failure equipments minimum principle of quantity variance, according to constraints, determining the power failure date of power failure equipments includes：
Using daily power failure equipments quantity variance as target variable, selection meets the power failure equipments of constraints in power failure window phase
The power failure date；When daily power failure equipments quantity variance is minimum value, the minimum value corresponding date is defined as power failure and is set
The standby power failure date.
With reference in a first aspect, the embodiment of the invention provides the third possible implementation method of first aspect,
Wherein, it is above-mentioned with the daily power failure equipments minimum principle of quantity variance, according to constraints, it is determined that power failure sets
The standby power failure date also includes：Set up the object function of daily power failure equipments quantity varianceWherein, KtIt is inspection
Repair t days interruption maintenance quantity in the cycle；γ=E (Kt) it is average day interruption maintenance quantity in the time between overhauls(TBO)；startiIt is equipment
The power failure of i starts reality；endiIt is the power failure end time of equipment i；Hop count when T is total；The set for setting up power failure window phase is closed
System [starti,endi]∈[Wstartij,Wendij] (j=1 ..., N)；Wherein, [Wstartij,Wendij] it is power failure equipments i
J-th power failure window phase, N is the power failure window phase number of each power failure equipments；Set up the set relations of mutual exclusion constraintsWherein, power failure equipments m and power failure equipments n is mutual exclusion equipment；Set up same
Stop the set relations of constraintsWherein, power failure equipments p and power failure equipments q are to stop equipment together；Calculate
The power failure date of power failure equipments when daily power failure equipments quantity variance f is minimum value, and result of calculation is defined as power failure sets
Have a power failure in standby year plan.
With reference to the third possible implementation method of first aspect, the 4th kind of first aspect is the embodiment of the invention provides
Possible implementation method, wherein, it is above-mentioned with the daily power failure equipments minimum principle of quantity variance, according to constraints, it is determined that
The power failure date of power failure equipments also includes：With the minimum principle of difference of plan that has a power failure in have a power failure the moon plan and year, difference is set up
Object functionWherein, XiIt is i-th actual power failure time started of power failure equipments；
Xi0It is i-th scheduled outage time started of power failure equipments,The importance value overhauled the need for for i-th power failure equipments；
On the power failure date of power failure equipments when calculating difference g is minimum value, have a power failure in the year for adjusting power failure equipments according to result of calculation plan, raw
Have a power failure into the moon and plan.
Second aspect, the embodiment of the invention provides a kind of generating means of power failure plan, including：Data acquisition module,
History power failure data for obtaining current power system；Wherein, the history power failure data include power failure equipments, power failure equipments
Flow data and device attribute；The flow data at least includes the one kind or many in electric load, conveying electricity and conveying power
Kind；The device attribute includes the unit maintenance phase；Power failure window phase determining module, for the flow data according to power failure equipments and/
Or device attribute, determine the power failure window phase of power failure equipments；Constraints generation module, it is special for the power network according to power system
Property and interruption maintenance task set in advance and the operation rule of power system, generation have a power failure plan constraints；Its
In, power network characteristic include the equipment association situation with electrical link, the attaching relation of power failure equipments and stabilization of power grids section, with
And the power transmission relation of the peripheral system of power failure equipments and current power system；Constraints includes mutual exclusion constraints and stops about together
Beam condition；Have a power failure date determining module, for the daily power failure equipments minimum principle of quantity variance, according to constraints and
Power failure window phase, determines the power failure date of power failure equipments.
With reference to second aspect, the first possible implementation method in the second face is the embodiment of the invention provides, wherein, it is above-mentioned
Power failure window phase determining module includes：First determining unit, for when power failure equipments be power channel equipment when, power failure equipments
Power failure window phase meets P in D daysL-PD>；Wherein, PLFor the D days region load by channel block；PDIt is that wind speed or photovoltaic are rolled over
The electric load of conjunction；ε is the power failure window phase standard value of power channel；Second determining unit, for being transmission of electricity when power failure equipments
During channel unit, the power failure window phase of power failure equipments meets Q in S daysL-QS>；Wherein, QLFor passway for transmitting electricity equipment day maximum can
Conveying electricity；QSFor day conveys Contract generation；δ is the power failure window phase standard value of passway for transmitting electricity；3rd determining unit, for working as
To present during for equipment, the power failure window phase of power failure equipments meets P in K days to power failure equipmentsK<；Wherein, PKIt is feedback for equipment K days
Load；μ is power failure window phase standard value of the feedback for equipment.
With reference to second aspect, second possible implementation method in the second face is the embodiment of the invention provides, wherein, it is above-mentioned
The date determining module that has a power failure includes：Select unit, for using daily power failure equipments quantity variance as target variable, having a power failure
Selection meets the power failure date of the power failure equipments of constraints in window phase；4th determining unit, for being set when daily power failure
When standby quantity variance is minimum value, be defined as the power failure date of power failure equipments the minimum value corresponding date.
With reference to second aspect, the third possible implementation method in the second face is the embodiment of the invention provides, wherein, it is above-mentioned
The date determining module that has a power failure also includes：First object function sets up unit, for setting up daily power failure equipments quantity variance
Object function Its
In, KtIt is t days interruption maintenance quantity in the time between overhauls(TBO)；γ=E (Kt) it is average day interruption maintenance quantity in the time between overhauls(TBO)；
startiFor the power failure of equipment i starts reality；endiIt is the power failure end time of equipment i；Hop count when T is total；First set relation
Unit is set up, the set relations [start for setting up power failure window phasei,endi]∈[Wstartij,Wendij] (j=1 ...,
N)；Wherein, [Wstartij,Wendij] it is j-th power failure window phase of power failure equipments i, N is the power failure window of each power failure equipments
Mouth phase number；Second set relation sets up unit, the set relations for setting up mutual exclusion constraints Wherein, power failure equipments m and power failure equipments n is mutual exclusion equipment；3rd set relations set up unit, use
In foundation with the set relations for stopping constraintsWherein, power failure equipments p and power failure equipments q are same stopping
Equipment；Have a power failure in year plan determining unit, and power failure equipments stops during for calculating daily power failure equipments quantity variance f for minimum value
The electric date, and result of calculation is defined as the year power failure plan of power failure equipments.
With reference to the third possible implementation method of second aspect, the embodiment of the invention provides second aspect the 4th kind can
The implementation method of energy, wherein, above-mentioned power failure date determining module also includes：Second object function sets up unit, for being had a power failure with the moon
Plan and the minimum principle of difference of the plan that has a power failure in year, set up the object function of difference
Wherein, XiIt is i-th actual power failure time started of power failure equipments；Xi0It is i-th scheduled outage time started of power failure equipments,The importance value overhauled the need for for i-th power failure equipments；Have a power failure the moon plan determining unit, for calculating difference g for most
On the power failure date of power failure equipments during small value, have a power failure in the year for adjusting power failure equipments according to result of calculation plan, generation moon power failure plan.
The embodiment of the present invention brings following beneficial effect：
The generation method and device of a kind of plan that has a power failure provided in an embodiment of the present invention, according to the flow data of power failure equipments
And/or device attribute, determine the power failure window phase of power failure equipments；Power network characteristic according to power system and set in advance
Interruption maintenance task and the operation rule of power system, the constraints of generation power failure plan；Again with daily power failure equipments number
The amount minimum principle of variance, according to constraints and power failure window phase, determines the power failure date of power failure equipments.Aforesaid way passes through
Consider various constraintss, and the power failure date of equipment is determined with the daily power failure equipments minimum principle of quantity variance, and then
The annual or monthly power failure plan of power system is generated, adaptability of the power failure plan to current power network is improve, and then
Improve the reliability of interruption maintenance plan.
Other features and advantages of the present invention will be illustrated in the following description, also, the partly change from specification
Obtain it is clear that or being understood by implementing the present invention.The purpose of the present invention and other advantages are in specification, claims
And specifically noted structure is realized and obtained in accompanying drawing.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description of the drawings
In order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art, below will be to specific
The accompanying drawing to be used needed for implementation method or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of flow chart of the generation method of power failure plan provided in an embodiment of the present invention；
During Fig. 2 is a kind of generation method of power failure plan provided in an embodiment of the present invention, with daily power failure equipments quantity
The minimum principle of variance, according to constraints, determines the particular flow sheet on the power failure date of power failure equipments；
Fig. 3 is a kind of structural representation of the generating means of power failure plan provided in an embodiment of the present invention；
During Fig. 4 is a kind of generating means of power failure plan provided in an embodiment of the present invention, the tool of the date determining module that has a power failure
Body structural representation.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with accompanying drawing to the present invention
Technical scheme be clearly and completely described, it is clear that described embodiment is a part of embodiment of the invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
For the problem that the power failure plan adaptability and reliability worked out according to artificial experience are poor, the embodiment of the present invention is carried
The generation method and device of a kind of power failure plan are supplied；The technology can apply in operation of power networks control, can also be applied to
Relevant device is arranged within the time between overhauls(TBO) of transmission facility carries out interruption maintenance in the works；Retouched below by embodiment
State.
Embodiment one：
A kind of flow chart of the generation method of power failure plan shown in Figure 1, the method comprises the following steps：
Step S102, obtains the history power failure data of current power system；Wherein, the history power failure data set including power failure
Standby, power failure equipments flow datas and device attribute；The flow data at least includes electric load, conveying electricity and conveying power
In one or more；The device attribute includes the unit maintenance phase；
Annual, the monthly equipment that above-mentioned history power failure data can be reported by collecting subordinate's power dispatching station is run
Data or equipment have a power failure and plan to obtain.
Step S104, according to the flow data and/or device attribute of power failure equipments, determines the power failure window of power failure equipments
Phase；
Because the operation conditions of large scale electric network is complex, the power failure of power transmission and transforming equipment may be to supply of electric power, confession
Electric reliability, clean energy resource generate electricity and safe operation of electric network causes large effect, so that the attribute according to equipment is true
Determining it can arrange the time period of interruption maintenance, and the time period is then the power failure window phase of equipment.The power failure window phase meter of equipment
Calculation not only needs the attribute of consideration equipment, in addition it is also necessary to consider the historical trend data of equipment.
For example, the power failure window phase that water power sends out channel unit is the water power dry season of passage operation, reason is the wet season
Water power generated energy is big, and the equipment related to water power submitting can not stop transport in power network；Wind-powered electricity generation sends out the power failure window phase of channel unit
Need to meet the electric load in the window phase and be less than default threshold value.
Step S106, power network characteristic and interruption maintenance task set in advance and power system according to power system
Operation rule, generation have a power failure plan constraints；Wherein, power network characteristic includes the equipment association shape with electrical link
The attaching relation and power failure equipments of condition, power failure equipments and stabilization of power grids section and the peripheral system of current power system send
Electric relation；Constraints includes mutual exclusion constraints and stops constraints together；
Specifically, when the power failure plan of extra-high voltage bulk power grid is formulated, between not only needing to consider conventional power equipment
Mutual exclusion constrains (such as two main transformer electric equipments in Gratz connection), in addition it is also necessary to according to the electric transportation properties of extra-high voltage alternating current-direct current, examine
Consider and have a power failure, overlap power failure and send receiving end to couple the constraints having a power failure there may be the association of significant impact operation of power networks.
Example one, association have a power failure be multiple joint effect areals send by electric energy power equipment simultaneously have a power failure；To avoid depositing
Have a power failure simultaneously in the associate device of direct electrical link and weaken electric network composition, the pass that pair there is electrical link with scheduled outage equipment
Connection equipment is scanned for, and is associated the analysis of power failure equipments, and form association power failure constraints.
Example two, it is that the multiple equipment in same stable cross section has a power failure simultaneously to overlap power failure；Is had a power failure for equipment and section is limited
The influence of volume, the attaching relation of power failure equipments and stable cross section is judged according to stabilization regulation, and search power failure plan is arranged or had a power failure
Plan application, judges to have a power failure simultaneously with the presence or absence of multiple equipment in same stable cross section, provides the analysis for overlapping and having a power failure, and formed
Overlap power failure constraints.
Example three, it is multiple equipment influential on transregional alternating current-direct current passage ability of supplying electric power while stopping to send receiving end to couple power failure
Electricity.According to the influence that the relevant regulations of power grid operation, analytical equipment have a power failure to transregional alternating current-direct current passage ability of supplying electric power, retrieval
The equipment of the transregional alternating current-direct current passage ability of supplying electric power of other influences has a power failure and plans, and carries out sending receiving end to couple outage analysis, and generation is sent
Receiving end couples power failure constraints.
Step S108, with the daily power failure equipments minimum principle of quantity variance, according to constraints and power failure window phase,
Determine the power failure date of power failure equipments.
Generally, above-mentioned steps S108 can change into solution by setting up the Mathematical Modeling and constraints that have a power failure and plan
The problem of the optimization planning comprising various optimization aims and multiple constraintss.For example, it is contemplated that to the finiteness of maintenance resource, stopping
Electricity is planned, when formulating, should reasonably and uniformly arrange interruption maintenance to work；Otherwise, interruption maintenance pockety works both
Stability to power system has undesirable effect, and can also cause the exception of maintainer busy and then cause the matter of service work
Amount declines；Thus, above-mentioned optimization aim should make the interruption maintenance resources such as manpower, the physics of equipment interruption maintenance consumption in the time
On evenly distribute, i.e., daily power failure equipments quantity variance is minimum.
A kind of generation method of plan that has a power failure provided in an embodiment of the present invention, flow data according to power failure equipments and/or
Device attribute, determines the power failure window phase of power failure equipments；Power network characteristic and the inspection that has a power failure set in advance according to power system
Repair the operation rule of task and power system, the constraints of generation power failure plan；Again with daily power failure equipments quantity variance
Minimum principle, according to constraints and power failure window phase, determines the power failure date of power failure equipments.Aforesaid way is more by considering
Constraints is planted, and the power failure date of equipment is determined with the daily power failure equipments minimum principle of quantity variance, and then generate electricity
The annual or monthly power failure plan of Force system, improves adaptability of the power failure plan to current power network, and then improve
The reliability of interruption maintenance plan.
There is larger difference in flow data and equipment mathematics in view of different power failure equipments, above-mentioned according to power failure equipments
Flow data and/or device attribute, determine that the power failure window phase of power failure equipments comprises the following steps：
(1) when power failure equipments are power channel equipment, the power failure window phase of power failure equipments meets P in D daysL-PD>；Its
In, PLFor the D days region load by channel block；PDIt is wind speed or the equivalent electric load of photovoltaic；ε stops for power channel
Electric window phase standard value；
Above-mentioned power channel equipment also includes that thermoelectricity sends out channel unit, nuclear power and sends out channel unit, water power submitting passage
Equipment；The power failure window phase that the thermoelectricity sends out channel unit is passage corresponding fired power generating unit turn(a)round；Above-mentioned nuclear power is sent out logical
The power failure window phase of road equipment is passage corresponding nuclear power generating sets turn(a)round；Above-mentioned water power sends out the power failure window phase of channel unit
It is passage corresponding water power dry season.
(2) when power failure equipments are passway for transmitting electricity equipment, the power failure window phase of power failure equipments meets Q in S daysL-QS>；Its
In, QLFor the day maximum of passway for transmitting electricity equipment can convey electricity；QSFor day conveys Contract generation；δ is the power failure window of passway for transmitting electricity
Phase standard value；
When actually realizing, above-mentioned passway for transmitting electricity equipment includes transregional channel unit transprovincially and stable cross section equipment；Should be across
The power failure window phase calculating process of area's transprovincially channel unit is as follows：If the day maximum of transregional passage transprovincially can convey electricity for QL1,
Conveying Contract generation is Q within S daysS1, meet QL1-QS1>δ1；Wherein, δ 1 is the power failure window phase standard value of transregional passage transprovincially,
Then belong within S days the power failure window phase 1 of transregional channel unit transprovincially；If power on the 1st of transregional passage transprovincially is PL, set herein
Stability limitation after standby power failure is PWIf meeting：PL<PW, then the power failure window phase 2 of this equipment is belonged within 1st；It is transregional transprovincially to lead to
The power failure window phase 1 of road equipment and the final power failure window phase that the overlapping period of power failure window phase 2 is this equipment.
The power failure window phase calculating process of aforementioned stable section equipment is as follows：If stable cross section is after the power failure of this equipment
Stability limitation is PV, T days power of stable cross section conveying is PTIf meeting PT<PV, then it is within T days the power failure window of this equipment
Phase.
(3) when power failure equipments supply equipment for feedback, the power failure window phase of power failure equipments meets P in K daysK<；Wherein, PKIt is feedback
For the equipment load of K days；μ is power failure window phase standard value of the feedback for equipment.
Can be within K days power failure window phase 1 of the feedback for equipment when actually realizing.Ruo Kuigong areas exist not interruptable
Important load, then the compound stop production to overhaul period is power failure window phase 2 of the feedback for equipment；There is grid-connected battery in Ruo Kuigong areas,
The period that there is not Power Exchange in Ze Kuigong areas with outer net is power failure window phase 3 of the feedback for equipment；Above-mentioned power failure window phase 1, power failure
The overlapping period of window phase 2 and power failure window phase 3 is the final power failure window phase of this equipment.
Aforesaid way obtains the power failure window phase of equipment for different types of equipment using different calculations, improves
The accuracy of power failure window phase data.
Due to above-mentioned power failure window phase data for each equipment individually has a power failure window phase, so that obtaining power system
Same power failure plan；It is above-mentioned with the daily power failure equipments minimum principle of quantity variance, according to constraints, it is determined that having a power failure
The power failure date of equipment includes：(1) using daily power failure equipments quantity variance as target variable, selected in power failure window phase
Meet the power failure date of the power failure equipments of constraints；(2) when daily power failure equipments quantity variance is minimum value, by minimum
It is worth the power failure date that the corresponding date is defined as power failure equipments.When actually realizing, can be carried out using mixing certificate law of planning
Solve, specifically include branch and define method, cutting plane algorithm scheduling algorithm.
Further, in a kind of generation method of power failure plan shown in Figure 2, with daily power failure equipments quantity side
The minimum principle of difference, according to constraints, determines the particular flow sheet on the power failure date of power failure equipments, and the method includes following step
Suddenly：
Step S202, sets up the object function of daily power failure equipments quantity variance：
Wherein,
KtIt is t days interruption maintenance quantity in the time between overhauls(TBO)；γ=E (Kt) it is average day interruption maintenance quantity in the time between overhauls(TBO)；starti
For the power failure of equipment i starts reality；endiIt is the power failure end time of equipment i；Hop count when T is total；
Step S204, sets up the set relations of power failure window phase：
[starti,endi]∈[Wstartij,Wendij] (j=1 ..., N)；Wherein, [Wstartij,Wendij] it is to stop
J-th power failure window phase of electric equipment i, N is the power failure window phase number of each power failure equipments；
Step S206, sets up the set relations of mutual exclusion constraints：
Wherein, power failure equipments m and power failure equipments n is set for mutual exclusion
It is standby；
Step S208, sets up with the set relations for stopping constraints：Wherein, power failure equipments p and
Power failure equipments q is to stop equipment together；
When actually realizing, except above-mentioned mutual exclusion constraints set relations and with stop constraints set relations it
Outward, the set relations of duration constraints and stopping for can not changing can also be set up according to the actual operating state of power system
The set relations of electric constraints.
Step S210, calculates the power failure date of power failure equipments when daily power failure equipments quantity variance f is minimum value, and will
Result of calculation is defined as the year power failure plan of power failure equipments.
Above by object function and constraints is set up, power failure plan is obtained by the way of mathematical optimization modeling, can
Lasting optimization is carried out to power failure plan with the actual operating state according to power system, the lean of electric power power failure scheduling is met
Changing needs, and improves adaptability of the power failure plan to current power network, and then improve the reliability of interruption maintenance plan.
Further, it is above-mentioned with daily power failure equipments quantity variance in order to more meticulously adjust above-mentioned year power failure plan
Minimum principle, according to constraints, determines that the power failure date of power failure equipments also comprises the following steps：(1) had a power failure with the moon and planned
With the minimum principle of difference of plan that has a power failure in year, the object function of difference is set upIts
In, XiIt is i-th actual power failure time started of power failure equipments；Xi0It is i-th scheduled outage time started of power failure equipments,The importance value overhauled the need for for i-th power failure equipments；(2) power failure of power failure equipments when calculating difference g is minimum value
On the date, have a power failure in the year for adjusting power failure equipments according to result of calculation plan, generation moon power failure plan.
When actually realizing, the corresponding constraints of object function of above-mentioned difference can include mutual exclusion constraint, stop about together
Beam, the duration constraint and can not change power failure constraint etc..
It is above-mentioned it is monthly hear that plan can obtain more accurately all kinds of predictions and plan information, with year have a power failure plan it is poor
It is worth minimum object function, appropriateness adjustment has a power failure and plans, it is ensured that the safe operation of system, and re-starts optimization to remaining month
Calculate.
Embodiment two：
Corresponding to above method embodiment, a kind of structural representation of the generating means of power failure plan shown in Figure 3,
The device includes following part：
Data acquisition module 302, the history power failure data for obtaining current power system；Wherein, history power failure data
Including power failure equipments, the flow data of power failure equipments and device attribute；Flow data at least include electric load, conveying electricity and
One or more in conveying power；Device attribute includes the unit maintenance phase；
Power failure window phase determining module 304, for flow data and/or device attribute according to power failure equipments, it is determined that stopping
The power failure window phase of electric equipment；
Constraints generation module 306, for power network characteristic and interruption maintenance set in advance according to power system
Task and the operation rule of power system, the constraints of generation power failure plan；Wherein, power network characteristic includes thering is electrical link
Equipment association situation, the attaching relation and power failure equipments of power failure equipments and stabilization of power grids section and current power system
The power transmission relation of peripheral system；Constraints includes mutual exclusion constraints and stops constraints together；
Have a power failure date determining module 308, for the daily power failure equipments minimum principle of quantity variance, according to constraint bar
Part and power failure window phase, determine the power failure date of power failure equipments.
A kind of generating means of plan that has a power failure provided in an embodiment of the present invention, flow data according to power failure equipments and/or
Device attribute, determines the power failure window phase of power failure equipments；Power network characteristic and the inspection that has a power failure set in advance according to power system
Repair the operation rule of task and power system, the constraints of generation power failure plan；Again with daily power failure equipments quantity variance
Minimum principle, according to constraints and power failure window phase, determines the power failure date of power failure equipments.Aforesaid way is more by considering
Constraints is planted, and the power failure date of equipment is determined with the daily power failure equipments minimum principle of quantity variance, and then generate electricity
The annual or monthly power failure plan of Force system, improves adaptability of the power failure plan to current power network, and then improve
The reliability of interruption maintenance plan.
There is larger difference in flow data and equipment mathematics in view of different power failure equipments, above-mentioned power failure window phase is true
Cover half block includes：(1) first determining unit, for when power failure equipments be power channel equipment when, the power failure window of power failure equipments
D days phase met PL-PD>；Wherein, PLFor the D days region load by channel block；PDIt is wind speed or the equivalent electric power of photovoltaic
Load；ε is the power failure window phase standard value of power channel；(2) second determining units, for when power failure equipments for passway for transmitting electricity sets
When standby, the power failure window phase of power failure equipments meets Q in S daysL-QS>；Wherein, QLFor the day maximum of passway for transmitting electricity equipment can convey electricity
Amount；QSFor day conveys Contract generation；δ is the power failure window phase standard value of passway for transmitting electricity；(3) the 3rd determining units, stop for working as
To present during for equipment, the power failure window phase of power failure equipments meets P in K days to electric equipmentK<；Wherein, PKIt is K days bear of feedback confession equipment
Lotus；μ is power failure window phase standard value of the feedback for equipment.Aforesaid way uses different calculations for different types of equipment
The power failure window phase of acquisition equipment, improves the accuracy of power failure window phase data.
Due to above-mentioned power failure window phase data for each equipment individually has a power failure window phase, so that obtaining power system
Same power failure plan, above-mentioned power failure date determining module includes：(1) select unit, for by daily power failure equipments number
Used as target variable, selection meets the power failure date of the power failure equipments of constraints to amount variance in power failure window phase；(2) the 4th
Determining unit, for when daily power failure equipments quantity variance is minimum value, the minimum value corresponding date being defined as having a power failure
The power failure date of equipment.
Further, in a kind of generating means of power failure plan shown in Figure 4, have a power failure date determining module it is specific
Structural representation, the device includes following part：
First object function sets up unit 402, the object function for setting up daily power failure equipments quantity varianceWherein, KtIt is inspection
Repair t days interruption maintenance quantity in the cycle；γ=E (Kt) it is average day interruption maintenance quantity in the time between overhauls(TBO)；startiIt is equipment
The power failure of i starts reality；endiIt is the power failure end time of equipment i；Hop count when T is total；
First set relation sets up unit 404, the set relations for setting up power failure window phase：
[starti,endi]∈[Wstartij,Wendij] (j=1 ..., N)；Wherein, [Wstartij,Wendij] it is to stop
J-th power failure window phase of electric equipment i, N is the power failure window phase number of each power failure equipments；
Second set relation sets up unit 406, the set relations for setting up mutual exclusion constraints：
Wherein, power failure equipments m and power failure equipments n is set for mutual exclusion
It is standby；
3rd set relations set up unit 408, for setting up with the set relations for stopping constraints：
Wherein, power failure equipments p and power failure equipments q are to stop equipment together；
Have a power failure in year plan determining unit 410, has a power failure during for calculating daily power failure equipments quantity variance f for minimum value and sets
The standby power failure date, and result of calculation is defined as the year power failure plan of power failure equipments.
Above by object function and constraints is set up, power failure plan is obtained by the way of mathematical optimization modeling, can
Lasting optimization is carried out to power failure plan with the actual operating state according to power system, the lean of electric power power failure scheduling is met
Changing needs, and improves adaptability of the power failure plan to current power network, and then improve the reliability of interruption maintenance plan.
Further, in order to more meticulously adjust above-mentioned year power failure plan, above-mentioned power failure date determining module also includes：
(1) second object function sets up unit, for the minimum principle of difference of the plan that has a power failure in have a power failure the moon plan and year, setting up difference
Object functionWherein, XiWhen starting for the actual power failure of i-th power failure equipments
Between；Xi0It is i-th scheduled outage time started of power failure equipments,The significance level overhauled the need for for i-th power failure equipments
Value；(2) have a power failure the moon plan determining unit, on the power failure date of power failure equipments during for calculating difference g for minimum value, is tied according to calculating
Fruit adjusts the plan that has a power failure in year of power failure equipments, and the generation moon has a power failure and plans.
It is above-mentioned it is monthly hear that plan can obtain more accurately all kinds of predictions and plan information, with year have a power failure plan it is poor
It is worth minimum object function, appropriateness adjustment has a power failure and plans, it is ensured that the safe operation of system, and re-starts optimization to remaining month
Calculate.
The generation method and device of a kind of plan that has a power failure provided in an embodiment of the present invention, are had a power failure by setting up rational days
Planning constrains storehouse and model, specifies rational hair transmission facility to have a power failure plan, on the one hand can be by operation maintenance personnel from big
Freed in the cumbersome operation operation element of amount, on the other hand can fully ensure that the safe and reliable operation of power system, subtracted
Few user and the loss of outage of electric power enterprise, to reach the effect of electric power enterprise and social doulbe-sides' victory.
The generation method and the computer program product of device of a kind of power failure plan that the embodiment of the present invention is provided, including
The computer-readable recording medium of program code is stored, the instruction that described program code includes can be used to perform previous methods reality
The method described in example is applied, is implemented and be can be found in embodiment of the method, will not be repeated here.
If the function is to realize in the form of SFU software functional unit and as independent production marketing or when using, can be with
Storage is in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used to so that a computer equipment (can be individual
People's computer, server, or network equipment etc.) perform all or part of step of each embodiment methods described of the invention.
And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-OnlyMemory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
Finally it should be noted that：Embodiment described above, specific embodiment only of the invention, is used to illustrate the present invention
Technical scheme, rather than its limitations, protection scope of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, it will be understood by those within the art that：Any one skilled in the art
The invention discloses technical scope in, it can still modify to the technical scheme described in previous embodiment or can be light
Change is readily conceivable that, or equivalent is carried out to which part technical characteristic；And these modifications, change or replacement, do not make
The essence of appropriate technical solution departs from the spirit and scope of embodiment of the present invention technical scheme, should all cover in protection of the invention
Within the scope of.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (10)
1. the generation method that a kind of power failure is planned, it is characterised in that including：
Obtain the history power failure data of current power system；Wherein, the history power failure data include power failure equipments, the power failure
The flow data and device attribute of equipment；The flow data is at least included in electric load, conveying electricity and conveying power
One or more；The device attribute includes the unit maintenance phase；
According to the flow data and/or device attribute of the power failure equipments, the power failure window phase of the power failure equipments is determined；
The operation rule of power network characteristic and interruption maintenance task set in advance and power system according to the power system
Then, the constraints of the plan that has a power failure is generated；Wherein, the power network characteristic includes the equipment association shape with electrical link
The attaching relation and power failure equipments of condition, power failure equipments and stabilization of power grids section and the peripheral system of current power system send
Electric relation；The constraints includes mutual exclusion constraints and stops constraints together；
With the daily power failure equipments minimum principle of quantity variance, according to the constraints and the power failure window phase, it is determined that
The power failure date of the power failure equipments.
2. method according to claim 1, it is characterised in that the flow data according to the power failure equipments and/or
Device attribute, determining the power failure window phase of the power failure equipments includes：
When the power failure equipments are power channel equipment, the power failure window phase of the power failure equipments meets P in D daysL-PD>ε；Its
In, PLFor the D days region load by channel block；PDIt is wind speed or the equivalent electric load of photovoltaic；ε stops for power channel
Electric window phase standard value；
When the power failure equipments are passway for transmitting electricity equipment, the power failure window phase of the power failure equipments meets Q in S daysL-QS>δ；Its
In, QLFor the day maximum of passway for transmitting electricity equipment can convey electricity；QSFor day conveys Contract generation；δ is the power failure window of passway for transmitting electricity
Phase standard value；
When the power failure equipments supply equipment for feedback, the power failure window phase of the power failure equipments meets P in K daysK<μ；Wherein, PKFor
Feedback supplies the equipment load of K days；μ is power failure window phase standard value of the feedback for equipment.
3. method according to claim 1, it is characterised in that with the daily power failure equipments minimum principle of quantity variance,
According to the constraints, determining the power failure date of the power failure equipments includes：
Using daily power failure equipments quantity variance as target variable, selection meets the constraint bar in the power failure window phase
The power failure date of the power failure equipments of part；
When the daily power failure equipments quantity variance is minimum value, the minimum value corresponding date is defined as institute
State the power failure date of power failure equipments.
4. method according to claim 1, it is characterised in that with the daily power failure equipments minimum principle of quantity variance,
According to the constraints, determining the power failure date of the power failure equipments also includes：
Set up the object function of daily power failure equipments quantity variance Wherein, KtIt is t days interruption maintenance quantity in the time between overhauls(TBO)；γ
=E (Kt) it is average day interruption maintenance quantity in the time between overhauls(TBO)；startiFor the power failure of equipment i starts reality；endiIt is equipment i
The power failure end time；Hop count when T is total；
Set up the set relations [start of the power failure window phasei,endi]∈[Wstartij,Wendij] (j=1 ..., N)；
Wherein, [Wstartij,Wendij] be the power failure equipments i j-th power failure window phase, N is stopping for each power failure equipments
Electric window phase number；
Set up the set relations of mutual exclusion constraintsWherein, power failure sets
Standby m and power failure equipments n is mutual exclusion equipment；
Set up with the set relations for stopping constraintsWherein, power failure equipments p and power failure equipments q are same stopping
Equipment；
Calculate the power failure date of power failure equipments when daily power failure equipments quantity variance f is minimum value, and by result of calculation
It is defined as the year power failure plan of the power failure equipments.
5. method according to claim 4, it is characterised in that with the daily power failure equipments minimum principle of quantity variance,
According to the constraints, determining the power failure date of the power failure equipments also includes：
With the minimum principle of difference of plan that has a power failure in have a power failure the moon plan and the year, the object function of the difference is set upWherein, XiIt is i-th actual power failure time started of power failure equipments；Xi0It is i-th
The scheduled outage time started of individual power failure equipments,The importance value overhauled the need for for i-th power failure equipments；
On the power failure date of power failure equipments when calculating the difference g for minimum value, set according to the result of calculation adjustment power failure
Have a power failure in standby year plan, generates the plan that has a power failure the moon.
6. the generating means that a kind of power failure is planned, it is characterised in that including：
Data acquisition module, the history power failure data for obtaining current power system；Wherein, the history power failure data include
Power failure equipments, the flow data of the power failure equipments and device attribute；The flow data at least includes electric load, conveying electricity
One or more in amount and conveying power；The device attribute includes the unit maintenance phase；
Power failure window phase determining module, for flow data and/or device attribute according to the power failure equipments, it is determined that described stop
The power failure window phase of electric equipment；
Constraints generation module, for being appointed according to the power network characteristic and interruption maintenance set in advance of the power system
Business and the operation rule of power system, generate the constraints of the plan that has a power failure；Wherein, the power network characteristic includes thering is electricity
The attaching relation and power failure equipments and current power of the equipment association situation, power failure equipments and stabilization of power grids section of gas contact
The power transmission relation of the peripheral system of system；The constraints includes mutual exclusion constraints and stops constraints together；
Have a power failure date determining module, for the daily power failure equipments minimum principle of quantity variance, according to the constraints
With the power failure window phase, the power failure date of the power failure equipments is determined.
7. device according to claim 6, it is characterised in that the power failure window phase determining module includes：
First determining unit, for when the power failure equipments be power channel equipment when, the power failure window phase of the power failure equipments
Meet P within D daysL-PD>ε；Wherein, PLFor the D days region load by channel block；PDIt is wind speed or the equivalent power load of photovoltaic
Lotus；ε is the power failure window phase standard value of power channel；
Second determining unit, for when the power failure equipments be passway for transmitting electricity equipment when, the power failure window phase of the power failure equipments
Meet Q within S daysL-QS>δ；Wherein, QLFor the day maximum of passway for transmitting electricity equipment can convey electricity；QSFor day conveys Contract generation；δ
It is the power failure window phase standard value of passway for transmitting electricity；
3rd determining unit, for when the power failure equipments for feedback for equipment when, the power failure window phase of power failure equipments K days
Meet PK<μ；Wherein, PKFor feedback supplies the equipment load of K days；μ is power failure window phase standard value of the feedback for equipment.
8. device according to claim 6, it is characterised in that the power failure date determining module includes：
Select unit, for using daily power failure equipments quantity variance as target variable, being selected in the power failure window phase
Meet the power failure date of the power failure equipments of the constraints；
4th determining unit, for when the daily power failure equipments quantity variance is minimum value, by minimum value correspondence
The date be defined as power failure date of the power failure equipments.
9. device according to claim 6, it is characterised in that the power failure date determining module also includes：
First object function sets up unit, the object function for setting up daily power failure equipments quantity varianceWherein, KtIt is inspection
Repair t days interruption maintenance quantity in the cycle；γ=E (Kt) it is average day interruption maintenance quantity in the time between overhauls(TBO)；startiIt is equipment
The power failure of i starts reality；endiIt is the power failure end time of equipment i；Hop count when T is total；
First set relation sets up unit, the set relations [start for setting up the power failure window phasei,endi]∈
[Wstartij,Wendij] (j=1 ..., N)；Wherein, [Wstartij,Wendij] it is j-th of power failure equipments i power failure
Window phase, N is the power failure window phase number of each power failure equipments；
Second set relation sets up unit, the set relations for setting up mutual exclusion constraints
Wherein, power failure equipments m and power failure equipments n is mutual exclusion equipment；
3rd set relations set up unit, for setting up with the set relations for stopping constraints
Wherein, power failure equipments p and power failure equipments q are to stop equipment together；
Have a power failure in year plan determining unit, power failure equipments during for calculating daily power failure equipments quantity variance f for minimum value
The power failure date, and result of calculation is defined as the year power failure plan of the power failure equipments.
10. device according to claim 9, it is characterised in that the power failure date determining module also includes：
Second object function sets up unit, for the minimum principle of difference of the plan that has a power failure in have a power failure the moon plan and the year, building
Found the object function of the differenceWherein, XiIt is i-th reality of power failure equipments
Have a power failure the time started；Xi0It is i-th scheduled outage time started of power failure equipments,Overhauled the need for for i-th power failure equipments
Importance value；
Have a power failure the moon plan determining unit, the power failure date of power failure equipments during for calculating the difference g for minimum value, according to
Result of calculation adjusts the plan that has a power failure in year of the power failure equipments, generates the plan that has a power failure the moon.
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| CN108830406A (en) * | 2018-05-29 | 2018-11-16 | 贵州黔驰信息股份有限公司 | A kind of main distribution based on data mining has a power failure configuration method in advance |
| CN110309934A (en) * | 2018-03-27 | 2019-10-08 | 中国电力科学研究院有限公司 | A kind of power failure ways to draw up the plan and system |
| CN111917139A (en) * | 2020-07-10 | 2020-11-10 | 中国电力科学研究院有限公司 | Method and system for determining blackable window period of main equipment of power grid |
| CN113407789A (en) * | 2021-08-18 | 2021-09-17 | 中国电力科学研究院有限公司 | Power failure window period arranging method, system, equipment and medium |
| CN113590682A (en) * | 2021-07-20 | 2021-11-02 | 中国电力科学研究院有限公司 | Power grid power failure window period generation method and device, electronic equipment and storage medium |
| CN114188988A (en) * | 2021-12-06 | 2022-03-15 | 广东电网有限责任公司 | Equipment shutdown processing method and device, electronic equipment and storage medium |
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