CN104408557B - A kind of flood season water power enrichment power network saves balancing power plant electric quantity of power supply distribution method - Google Patents
A kind of flood season water power enrichment power network saves balancing power plant electric quantity of power supply distribution method Download PDFInfo
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Abstract
The present invention relates to Electric Power Network Planning and management and running field, disclose a kind of flood season water power enrichment power network and save balancing power plant electric quantity of power supply distribution method, dispatching of power netwoks fairness and economy objectives can be taken into account, for the problem that flood season rich water electricity grid generation ability is increased sharply, realize flood season each power supply, the reasonable distribution of power station electricity volume, it is ensured that desalinate benefits of different parties contradiction on the basis of power grid electric balance.Its solution is：Using the fairness and economy of dispatching of power netwoks as Optimized Operation target, the generation schedule for reporting is adjusted to determine each power plants generating electricity ability and same day actual load demand by various regions, it is determined that plan day the whole network electric quantity balancing situation, processed according to different situations classification, and the electricity volume of each power supply and station is distributed based on this, weight coefficient is introduced in assigning process and embodies preference of the policymaker between each sub-goal, finally provide the multiobjective decision-making collection based on different weight coefficients.The beneficial effects of the invention are as follows prediction power network future development, take into account the factors such as fairness, economy, operability, it is ensured that flood season dispatching of power netwoks it is reasonable effectively, with the important meaning of setting an example that takes the lead in.
Description
Technical field
The present invention relates to Electric Power Network Planning and management and running field, more particularly to a kind of flood season water power enrichment power network saves balancing
Power plant's electric quantity of power supply distribution method.
Technical background
Hydroelectric generation has operation costs are cheap, cleaning is renewable, scheduling is flexible etc. compared to other conventional power generation usage modes
Advantage, and it is more stable compared to the novel renewable energy generated energy such as solar energy, wind energy.During " 12 ", to pass through
Thorough energy-saving and emission-reduction binding character target, alleviates resource environment constraint, tackles Global climate change, makes full use of cleaning renewable energy
Source, China has gone into operation many Large Hydropower Plants, the especially domestic Wujiang River, Hongsuihe River, the Lancang River, Yalongjiang River, Dadu River etc. successively
The completion successively in especially big Basin Hydropower base is gone into operation, and promotes Southwestern China area to form rich hydropower grid in large scale.Cloud
Used as typical rich hydropower grid, system water transfer thermoelectricity generator installation ratio is close to 2 for south, Sichuan:1.The quick hair of extensive water power
Exhibition, makes power network face the electric energy consumption problem of sternness, in addition the limitation such as the passage limit and market environment, increased dispatching of power netwoks difficult
Degree.Particularly flood season come water it is larger when, electric energy consumption contradiction is especially prominent.
Yunnan Province is used as typical richness hydropower grid, the whole province total installed capacity 60154.77MW, wherein include province's balancing installation holding
Amount 50988.6MW.Include in province's balancing installation, water power 36218.6MW accounts for the 71.03% of total installed capacity；Thermoelectricity 12400MW, accounts for
The 24.32% of total installed capacity；Wind-powered electricity generation 2190MW, accounts for the 4.3% of total installed capacity；Photovoltaic 180MW, accounts for the 0.35% of total installed capacity.It is different from
Power network based on coal electric energy, water power proportion is larger in rich hydropower grid so that the whole network generating capacity to climate change and
Thus the water fluctuation for bringing is more sensitive, flood season come water it is larger when, the limitation such as most of modulated ability in hydroelectric power plant needs
Increasing is exerted oneself or is completely sent out, and causes thermoelectricity to be run by minimum mode, new energy all shuts down electricity, the water power situation about largely sending outside of allowing
Under, generating capacity still exceeds actual need for electricity, forms electricity more than needed on a large scale.Under above-mentioned background, how in each power supply, each stream
It is rational between domain, each plant stand to distribute electricity volume, avoid interests contradiction, it is the important of rich hydropower grid power generation in the flood seasons scheduling
Task.
Achievement of the present invention is looked forward to the prospect power network future development, regarding to the issue above country's correlative study achievement and document report at present
It is mostly focused on several aspects：Introduce tou power price improve water power bid ability, based on the centralized dispatching under bulk power grid platform, excellent
Change industrial structure raising workload demand and strengthen rack construction raising and send electricity outside.But in Practical Project, for origin water not
Certainty, passage send out the inevitably more than needed of the limitation formation such as ability, Contract generation performance and actual market demand
Electricity, lacks a set of effective electricity volume distribution method.This achievement is in Southwestern China area, especially southwestern rich water electricity
In regional dispatching operational management, with the important meaning of setting an example that takes the lead in.
The content of the invention
The purpose of the present invention is directed to not enough problem set forth above, there is provided a kind of flood season water power enrichment power network saves balancing
Power plant's electric quantity of power supply distribution method, can take into account the fairness and economy in dispatching of power netwoks, realize flood season each power supply, power station online
The reasonable distribution of electricity, it is ensured that desalinate benefits of different parties contradiction on the basis of power network conveying balance.
Regarding to the issue above, the present invention proposes following solution：A kind of flood season water power enrichment power network saves balancing electricity
Factory's electric quantity of power supply distribution method, takes into account scheduling fairness principle and economy principle, and method includes step (1)-(9), describes in detail such as
Under：
(1) determine that method target is：It is each to participate in calculating the equal minf of province balancing power plant's installation utilization rate1=D (r) and each
Participate in calculating and save the total purchases strategies minimum of balancing power plantWherein N is the province's balancing electricity for participating in calculating
Stand number, r=[r1,r2,…,rN] balancing power plant installation utilization rate sequence is saved for participation is calculated, D (r) is that power station installation is utilized
The variance of rate sequence；CiIt is the electricity price in i power stations, PFiIt is the electricity volume in i power stations；
(2) adjust and report time daily trading planning and regional power load to saving tune；Save and adjust dispatcher base area tune to report meter
Draw and determine each power station generating capacity, power load E inside the province is determined according to next day actual conditions, power supply architecturepAnd send electricity need outside
Seek Eo；
(3) first to saving tune thermal power plant, arranged according to installation utilization rate descending, to wait installation utilization rate as target, successively
Each thermal power plant's generated energy is reduced, until meeting electric quantity balancing constraint, step (9) is gone to；If each thermal power plant is transported by minimum mode
During row, electric quantity balancing constraint can not be still met, then arrange new energy power plant in addition to water power to shut down and allow electricity, if meet electricity putting down
Weighing apparatus condition, goes to step (9)；If generating capacity is still greater than need for electricity, the online electricity that step (4) adjusts each hydroelectric power plant is gone to
Amount；
(4) according to the last platform unit operation time of balancing hydroelectric power plant of each province, power station of classifying is divided to province balancing power plant to be two
Class：It is new to throw power station Ωnew, thrown power station Ωold；According to each power station electricity price respectively to ΩnewAnd ΩoldPower station in set is dropped
Sequence is arranged, and determines each hydroelectric power plant's energy curtlaiment order；
(5) preference according to policymaker between fairness and economy determines weight α, and is divided according to weight α
Net electricity is two parts：Based on the total electricity volume E of fairnessh′；Based on the total electricity volume E of economyh″；
(6) for based on the total electricity volume E of fairnessh', to wait installation utilization rate as target, using etc. load proportion point
Method of completing the square is solved, and obtains the electricity volume P that each power station is based on fairness Target AssignmentCi(i=1,2 ..., N), judges PCiWhether
The upper limit of exerting oneself is reached, not up to then the power station enters step (7), the otherwise power station terminates distribution electricity；
(7) for based on the total electricity volume E of economyh", it is relative using electricity price with the minimum target of overall purchases strategies
Ordering strategy and linear programming optimize the electricity volume P that each power station is based on economy objectives distributionFi(i=1,2 ..., N)；For
Combine Ω in power stationnew, introduce experience distribution reduction coefficient ε (0<ε<1), adjustment Xin Tou power plant ΩnewElectricity volume；On checking is exerted oneself
Lower limit is constrained, and electricity is redistributed in the power station for destruction constraint；
(8) add up each hydroelectric power plant's segment assignments electricity, obtains the total distribution electricity P in each power stationi, save and adjust according to allocation result
Each power supply and station distribution electricity are integrated, balancing power plant of each province plan day total score power distributing amount is issued；
(9) adjust dispatcher according to allocation result, formulate the generation schedule that day is planned in local each power station.
Present invention contrast prior art has the advantages that：The present invention is that a kind of flood season water power enrichment power network that solves saves tune
The technical method of balance power plant electricity volume assignment problem, it is complete for origin water uncertainty, passage submitting ability, Contract generation
Into the electricity inevitably more than needed that the limitation such as situation and actual market demand is formed, there is provided a set of effective distribution side
Method.The present invention takes into account the fair principle and economy principle in dispatching of power netwoks, realizes electricity volume between each power supply, each station
Reasonable distribution.The beneficial effects of the invention are as follows prediction power network future development, the factors such as fairness, economy, operability are taken into account,
Ensure the reasonable effective of flood season dispatching of power netwoks, with the important meaning of setting an example that takes the lead in.
Brief description of the drawings
Fig. 1 is the overall solution that a kind of flood season water power enrichment power network of the invention saves balancing power plant electric quantity of power supply distribution method
Flow chart；
Fig. 2 is the power energy allocation flow chart based on fairness target in the present invention；
Fig. 3 is the power energy allocation flow chart based on economy objectives in the present invention；
Fig. 4 is the multiobjective decision-making collection for corresponding to different reduction coefficients in the present invention；
Fig. 5 is the comparison diagram of different weight schemes in the present invention；
Fig. 6 is that fairness weight is 0.4 in the present invention, new throw power station to cut down coefficient be each power station distribution electricity under 0.85 scheme
Amount；
It in the present invention with 0.4 is the distribution electricity volume curve and actual online electric quantity curve pair of fairness weight that Fig. 7 is
Than figure；
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples.
The fast development of extensive water power, makes power network face the electric energy consumption problem of sternness, in addition the passage limit and market
Environment etc. is limited, and increased dispatching of power netwoks difficulty.Particularly flood season come water it is larger when, contradiction of dissolving is especially prominent, is taking
Increase electric power to send outside, implement power plant for self-supply's substitute generation, Direct Purchase of Electric Energy by Large Users, Generation Rights Trade, wet season electricity more than needed and dissolve
In the case that the measures such as policy increasing water power is dissolved, electricity of largely having more than needed is still suffered from.How reasonably to distribute each under above-mentioned background
Electricity volume between power supply and station is the key issue of flood season rich water electricity dispatching of power netwoks.Mainly used in current actual schedule etc.
Ratio cuts down the dispatching distribution method of each power station electricity volume and experience tentative calculation, but with following limitation：(1) sacrificing economy
Target guarantees fairness for cost, but the fact that have ignored non-with the sacrifice of the economy proportional relation of the increase of fairness；(2)
Sense datum is occupied an leading position, it is impossible to ensure the fairness target in scheduling process well.
Fairness and economy of the present invention from scheduling, it is considered to energy-conserving and environment-protective dispatching principle, to wait installation utilization rate
With overall purchases strategies to solve target, the total electricity volume of each power supply is determined；Using weight embodied in combination decisionmaker's preference, and draw
Divide network load；Using etc. installation utilization rate distribution method distribute the total capacity requirement that each power station is based on fairness；Purchased with minimum
Electric cost is target, and the total capacity requirement that each power station is based on economy is distributed using linear programming method；Cumulative two methods are given
Electricity is finally distributed in each power station for going out.
Accompanying drawing 1 is the overall solution flow chart for taking into account fairness and economy, as can be seen that specific step of the invention in figure
Suddenly it is：
(1) adjust and report time daily trading planning and regional power load to saving tune；Save and adjust dispatcher base area tune to report meter
Draw and determine each power station generating capacity, power load E inside the province is determined according to next day actual conditions, power supply architecturepAnd send electricity need outside
Seek Eo；
(2) compare to participate in plan day calculating and save balancing power plant total generating capacity and the total need for electricity of the whole network, if
Meet electric quantity balancing condition, without adjustment, can be generated electricity by original plan, go to step (9)；If generating capacity is needed more than electricity consumption
Ask, according to installation utilization rate descending arrangement, each thermal power plant's generated energy reduced successively, until meet demand electricity or each thermal power plant by
Minimum mode is run, if meeting electric quantity balancing condition, goes to step (9)；If generating capacity is still greater than need for electricity, arrange
New energy power plant shuts down and allows electricity, if meeting electric quantity balancing condition, go to step (9)；If can not still be matched with need for electricity,
The electricity volume of each hydroelectric power plant is cut down, step (4) is gone to；
(3) according to the last platform unit operation time of balancing power plant of each province, power station of classifying is divided to province balancing power plant to be two
Class：It is new to throw power station Ωnew, thrown power station Ωold；According to each power station electricity price respectively to ΩnewAnd ΩoldPower station in set is dropped
Sequence is arranged, and determines that each hydroelectric power plant cuts down order；
(4) it is two to embody preference of the policymaker between fairness and economy according to weight α and divide electricity volume
Part：Based on the total electricity volume E of fairnessh'=α × (Ep+Eo), based on the total electricity volume E of economyh"=(1- α) × (Ep+
Eo)；
(5) to wait installation utilization rate as target, using etc. load proportion distribution method solve each power station and be based on fairness mesh
Mark the electricity volume P of distributionCi(i=1,2 ..., N), judges whether distribution electricity reaches the upper limit of exerting oneself, not up to the then power station
Into step (7), the otherwise power station terminates distribution electricity；
(6) with the minimum target of overall purchases strategies, each power station is optimized using electricity price relative order strategy and linear programming
Electricity volume P based on economy objectives distributionFi(i=1,2 ..., N)；Ω is combined for power stationnew, due to electricity price relatively
Height, to ensure economy principle, coefficient ε is cut down in the experience distribution of introducing；Bound constraint of exerting oneself is verified, for the electricity of destruction constraint
Redistribute electricity in station；
(7) according to each hydroelectric power plant's distribution electricity of target weight weighted sum, the total distribution electricity P in each power station is obtainedi, save and adjust
Each power supply and station distribution electricity are integrated according to allocation result, balancing power plant of each province plan day total score power distributing amount is issued；
(8) adjust dispatcher according to allocation result, day of making a plan local each power station generation schedule.
Accompanying drawing 2 is the power energy allocation flow chart based on fairness target, is concretely comprised the following steps：
(1) the known total electricity E based on fairness targeth' and water power total installed capacity I, try to achieve the total installed capacity utilization in power station
Rate r；
(2) each power station electricity volume P is distributed by average utilization rCi, PCi=r × Ii×24；
(3) judge whether each power station distribution electricity meets generating capacity requirement, satisfaction is transferred to step (6), is otherwise transferred to step
Suddenly (4)；
(4) i power stations electricity volume is arranged by generating capacity, and rejects i power stations in the assignment procedure；
(5) the corresponding total electricity E based on fairness target is adjusted according to current plant seth' and water power total installed capacity I,
In formula,The total electricity based on fairness after for adjustment；It is the water power total installed capacity after adjustment.
(6) enter next iteration, and judge whether to reach end condition, reach into step (7), otherwise return to (2)；
(7) terminate to calculate, and output result.
Accompanying drawing 3 is the power energy allocation flow chart based on economy objectives, is concretely comprised the following steps：
(1) give Xin Tou power plant experience and cut down coefficient ε；
(2) electricity E is distributed between Xin Tou power plant and Yi Tou power plant according to installation ratioh",In formula
Pnew、PoldRespectively the total score power distributing amount of Xin Tou power plant and Yi Tou power plant, knew、koldRespectively Xin Tou power plant and Yi Tou power plant
Installation ratio；
(3) coefficient ε is cut down according to Xin Tou power plant experience and cuts down the total distribution electricity in new throwing power station,
(4) gather for Xin Tou power plant, PnewIt is total electricity, with total purchases strategies as target, is asked using linear programming
Solution；
(5) gather for Yi Tou power plant, PoldIt is total electricity, with total purchases strategies as target, is asked using linear programming
Solution；
(6) the distribution electricity P that each power station is based on economy objectives is exportedFi(i=1,2 ..., n)；
The constraints expression formula considered in method solution procedure is as follows：
A () generating capacity is constrained：
In formula, PCiIt is that i power plant distribute electricity, MWh by the online for waiting installation utilization rate to distribute；PFiPurchased by water is abandoned for i power plant
The online distribution electricity of electric cost minimization distribution, MWh；NiIt is the generating capacity of i power plant, MWh；Ni,tIt is the hair of i power plant t periods
Electric planned value, MW.
B () electric quantity balancing is constrained：Et+En+Eh=E
In formula, EtIt is total thermoelectricity need for electricity, MWh；EnIt is new energy need for electricity, MWh beyond total water power；EhFor
Total water power need for electricity, MWh；E is plan day the whole network workload demand, MWh.
C () channel capacity is constrained：NLk≤NLk,max
In formula, k is circuit grade, is incremented by step by step from low pressure to high pressure；NLkIt is the conveying electricity of kth level circuit, MWh；
NLk,maxIt is the channel capacity of kth level circuit, MWh.
By taking typical case's day Yunnan Power System flood season as an example, province balancing installed capacity 46750.6MW, wherein water power are included
36218.6MW, thermoelectricity 12400M, wind-powered electricity generation and other new energy 2370MW, proportion is respectively 68.4%, 26.5%,
5.1%.Balancing hydroelectric power plant 98 is saved, after being split by the unit operation time, hydroelectric power plant's number is 100, wherein newly throwing water power
5, factory, Yi Tou hydroelectric power plants 95.Consider need for electricity inside the province and send electrical demand outside, determine overall load demand.Arrange thermoelectricity
Run with minimum start-up mode；Other energy power stations generate electricity by original plan；Calculate water power it is total can electricity volume；According to being based on
The flood season electric quantity of power supply distribution method of fairness and economy tries to achieve the electricity volume of each power station distribution.Fig. 4 is different new throwing electricity
Stand and cut down the corresponding multiobjective decision-making collection of coefficient.
As shown in Figure 4, coefficient ε is cut down smaller, new power station overall power generation amount of throwing is fewer, the smaller (f of purchases strategies2(E)<f2
(D)<f2(A)), be actually consistent.Under identical purchases strategies, new power station reduction coefficient of throwing is smaller, each power station generating ratio
Closer to the smaller (f of each power station installation utilization rate variance1(A)>f1(B)>f1(C)).Cut down under coefficient in same new throwing power station, respectively
Utilization rate variance is smaller for power station installation, decision-making more tends to that fairness, purchases strategies are bigger, sacrifice dispatching of power netwoks economy；
Conversely, purchases strategies are smaller, each power station installation utilization rate variance is bigger, decision-making more tends to economy, sacrifices dispatching of power netwoks
Fairness.
Table 1 is each power station electricity volume allocation result under 3 kinds of different schemes, and only to consider fairness, scheme 2 is scheme 1
Only consider economy, scheme 3 is that economy and fairness weight respectively account for 50%.Under 3 kinds of schemes, each power station electricity volume curve becomes
Gesture is basically identical, and is satisfied by generating capacity constraint；For the scheme for only considering fairness, each power station generates electricity by equal proportion,
Meet under the premise of constraint, electricity volume size is proportionate with installed capacity；For the scheme for only considering economy, meeting about
Under the premise of beam, each power station electricity volume is only related to electricity price, the electricity volume of electricity price power station high distribution is less, part power station almost
It is 0, the electricity volume that low electricity price power station is distributed is more, its generating capacity is approached in part power station, curve fluctuation is larger；For justice
Property and economy respectively account for 50% scheme, under the premise of constraint is met, the electricity volume of each power station distribution with install and electricity price is equal
There is correlation, it is ensured that each power station can be assigned to electricity volume, and curve has fluctuation, but fluctuation relative plan 2 is smaller.Respectively
Scheme target function value is listed in table 1：Contrast understands that compared to scheme 1, installation utilization rate variance increases by 4%, overall purchase to scheme 3
Electric cost reduces 4,260,000 yuan；The utilization rate variance of being installed compared with scheme 3 of scheme 2 increases by 3.9%, and overall purchases strategies reduce 121
Wan Yuan, installation utilization rate variance is in non-linear relation with purchases strategies variable quantity.
Table 1
| Scheme | Installation utilization rate variance | Purchases strategies (ten thousand yuan) |
| Scheme 1 | 0 | 13169.4 |
| Scheme 2 | 0.0789 | 12622.3 |
| Scheme 3 | 0.0400 | 12743.4 |
Fig. 6 is that fairness weight is that 0.4, new power station of throwing is each power station distribution electricity comparison diagram under 0.85 scheme.In justice
Property allocated phase, each power station installation utilization rate is equal, and electricity volume is proportional with installation, relative to install more that high score power distributing amount is more
It is many；In economy allocated phase, each power station electricity volume is in inverse ratio with electricity price, and electricity price is higher, and stage distribution electricity is fewer.
Fig. 7 is that fairness weight is that each power station electricity volume curve and the same day when coefficient is 0.85 are cut down in 0.4, new power station of throwing
Actual online electric quantity curve contrast：Practical solution uses each power station electricity volume of proportional allocations, each power station online under the program
Electric quantity curve is basically identical with actual online electric quantity curve trend, only exists in the of a relatively high and relatively low power station of electricity price inclined
Difference.Table 2 is that fairness weight is 0.4, the new desired value for throwing the scheme of coefficient 0.85 and practical solution, and keeping, total electricity is consistent
On the basis of, relative to actual plan, 0.4/0.85 schemes variance reduces by 0.9%, day purchases strategies and reduces 21.5 ten thousand yuan, and benefit shows
Write.Table 3 is fairness weight for 0.4, economy weight is that coefficient is cut down finally to be provided under 0.85 scheme in 0.6, new power station of throwing
Each power station electricity volume allocation result.
Table 2
| Scheme | Deng installation utilization rate variance | Purchases strategies (ten thousand yuan) |
| 0.4/0.85 | 0.047 | 12691.9 |
| It is actual | 0.056 | 12713.4 |
Table 3
Claims (1)
1. a kind of flood season water power enrichment power network saves balancing power plant electric quantity of power supply distribution method, and its feature comprises the following steps：
(1) determine that method target is：It is each to participate in calculating the equal min f of province balancing power plant's installation utilization rate1=D (r) and each participation
Calculate and save the total purchases strategies minimum of balancing power plantWherein N is the province's balancing power stations number for participating in calculating
Mesh, r=[r1,r2,…,rN] balancing power plant installation utilization rate sequence is saved for participation is calculated, D (r) is power station installation utilization rate sequence
The variance of row；CiIt is the electricity price in i power stations, PFiIt is the electricity volume in i power stations；
(2) adjust and report time daily trading planning and regional power load to saving tune；Save and adjust dispatcher base area tune to report plan true
Fixed each power station generating capacity, power load E inside the province is determined according to next day actual conditions, power supply architecturepAnd send electrical demand E outsideo；
(3) first to saving tune thermal power plant, according to the descending arrangement of installation utilization rate, to wait installation utilization rate as target, reduce successively
Each thermal power plant's generated energy, until meeting electric quantity balancing constraint, goes to step (9)；If each thermal power plant is run by minimum mode,
Electric quantity balancing constraint can not still be met, then arranged new energy power plant in addition to water power to shut down and allowed electricity, if meeting electric quantity balancing bar
Part, goes to step (9)；If generating capacity is still greater than need for electricity, the electricity volume that step (4) adjusts each hydroelectric power plant is gone to；
(4) according to the last platform unit operation time of balancing hydroelectric power plant of each province, power station of classifying is divided to province balancing power plant to be two classes：
It is new to throw power station Ωnew, thrown power station Ωold；According to each power station electricity price respectively to ΩnewAnd ΩoldPower station in set carries out descending
Arrangement, determines each hydroelectric power plant's energy curtlaiment order；
(5) preference according to policymaker between fairness and economy determines weight α, and divides online electricity according to weight α
It is two parts to measure：Based on the total electricity volume E of fairnessh′；Based on the total electricity volume E of economyh″；
(6) for based on the total electricity volume E of fairnessh', with wait installation utilization rate as target, using etc. load proportion distribution method
Solve, obtain the electricity volume P that each power station is based on fairness Target AssignmentCi, i=1,2 ..., N；Judge PCiWhether reach
The power upper limit, not up to then the power station enters step (7), and the otherwise power station terminates distribution electricity；
(7) for based on the total electricity volume E of economyh", with the minimum target of overall purchases strategies, using electricity price relative order plan
Slightly optimize each power station and be based on the electricity volume P that economy objectives are distributed with linear programmingFi, i=1,2 ..., N；For power station group
Close Ωnew, introduce experience distribution reduction coefficient ε, 0 ＜ ε ＜ 1；Adjustment Xin Tou power plant ΩnewElectricity volume；Verify bound of exerting oneself
Redistribute electricity in constraint, the power station for destruction constraint；
(8) add up each hydroelectric power plant's segment assignments electricity, obtains the total distribution electricity P in each power stationi, save to adjust and integrated according to allocation result
Each power supply and station distribution electricity, issue balancing power plant of each province plan day total score power distributing amount；
(9) adjust dispatcher according to allocation result, formulate the generation schedule that day is planned in local each power station.
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