CN109936164A - Multiple-energy-source electric power system optimization operation method based on the analysis of power supply complementary characteristic - Google Patents
Multiple-energy-source electric power system optimization operation method based on the analysis of power supply complementary characteristic Download PDFInfo
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Abstract
A kind of multiple-energy-source electric power system optimization operation method based on the analysis of power supply complementary characteristic of the invention, its main feature is that, it include: to establish to provide multiple forms of energy to complement each other in multiple-energy-source electric system to coordinate the complementary mechanisms of power generation, mathematical model based on complementary mechanisms building complementary index system and complementary demand, define renewable energy complementary power supply, it calculates with matching water power capacity ratio required in the renewable energy complementary power supply of the minimum target of complementary demand, the hierarchy optimization operation reserve of polyisocyanate mass-energy source current is formulated according to complementary index, the corresponding optimization object function of each optimization layer is solved using particle swarm algorithm, calculating can make complementary index be optimal corresponding polyisocyanate mass-energy source current in the output power value of day part, this method has science, rationally, simply, it is practical, it is able to ascend renewable energy Dissolve horizontal advantage.
Description
Technical field
The present invention relates to electric power system optimizations to run field, is a kind of multiple-energy-source electric power based on the analysis of power supply complementary characteristic
System optimized operation method.
Background technique
With the outburst of energy crisis and highlighting for problem of environmental pollution, the development and utilization of renewable energy is obtained
Unprecedented attention, but since wind-powered electricity generation photovoltaic output power has the characteristics that intermittent, fluctuation, band is run to network optimization
Carry out certain challenge, wind-powered electricity generation, grid-connected brought influence can be weakened by the complementary characteristic between heterogeneous power supply, to reduction
Environmental pollution improves energy utilization rate, guarantees that power system stability runs important role.Therefore, using between power supply
Space-time complementary characteristic is the important means for improving renewable energy digestion capability.
The existing research about to the optimization operation containing New-energy power system, has using energy storage and copes with renewable energy
Uncertainty, electric system is optimized, but do not consider the complementary characteristic of remaining power supply；Some only considers two or three
Complementary characteristic between power supply carries out energy saving optimizing to electric system, and there are also the angles coordinated in source net lotus to carry out electric system
The optimization of Multiple Time Scales, but consider that the type of power supply is less, in addition, also there is the angle pair in the peak regulation containing New-energy power system
Electric system optimizes.It is related to also failing in the electric power system optimization of various energy resources in existing research well using a variety of
The complementary characteristic of power supply dissolves to improve renewable energy.
Summary of the invention
It is an object of the present invention to provide it is a kind of science, rationally, it is simple, practical based on power supply complementary characteristic analysis it is more
Electricity power system optimized operation method.
The object of the invention is realized the technical scheme adopted is that a kind of multiple-energy-source electric power based on the analysis of power supply complementary characteristic
System optimized operation method, which is characterized in that it the following steps are included:
1) it establishes to provide multiple forms of energy to complement each other in multiple-energy-source electric system and coordinates the complementary mechanisms of power generation
1. being multipotency comprising the heterogeneous energy power supply that a variety of characteristics of output power are different in multiple-energy-source electric system
The precondition of power generation is coordinated in complementation, wherein the complementary characteristic between each power supply has the spy of multiple-energy-source, multi-space, various dimensions
Point, power supply complementary characteristic use formula for being able to carry out mutually Ji mutual assistance power generation feature between different mass-energy source current
(1) power supply complementary characteristic is expressed as the characteristic that various output power of power supply meet system loading,
In formula,For multiple-energy-source electric system t-th of period load value；It is i-th in multiple-energy-source electric system
Output power value of the fired power generating unit t-th of period, i=1,2,3 ... Nth, NthFor in multiple-energy-source electric system t-th of period
The in-service quantity of fired power generating unit；For j-th of Hydropower Unit in multiple-energy-source electric system t-th of period output power
Value, j=1,2,3...Nhy, NhyFor multiple-energy-source electric system t-th of period Hydropower Unit in-service quantity；For multiple-energy-source
Output power value of k-th of photovoltaic unit t-th of period in electric system, k=1,2,3...Npv, NpvFor multiple-energy-source electric power
In-service quantity of the system in t-th of period photovoltaic unit；It is g-th of Wind turbines in multiple-energy-source electric system at t-th
The output power value of section, g=1,2,3...Nw, NwFor multiple-energy-source electric system t-th of period Wind turbines in-service quantity；t
=1,2,3 ... T, number of segment when T is, Δ t are time step,
Coordinate the complementary mechanisms of power generation 2. establishing and providing multiple forms of energy to complement each other in multiple-energy-source electric system are as follows: with natural mutual of various power supplys
Mend characteristic based on, stabilized by the well-tuned ability that thermoelectricity, pneumoelectric, controllability water power have wind-powered electricity generation, photovoltaic these
The fluctuation of Constraint of Resources type output power of power supply makes full use of clean renewable energy source current, reduces thermoelectricity in electricity
Proportion in Force system realizes the reasonable disposition of power system resource, and the system that is finally reached always generates electricity real between total load
The optimization of Shi Pingheng runs purpose,
2) mathematical model of complementary index system, complementary demand is constructed respectively
1. constructing complementary index system
Define the quantizating index for the complementary effect that complementary index is pursued by multiple-energy-source electric system, the i.e. side of its optimization
To in conjunction with the complementary mechanisms for coordinating power generation of providing multiple forms of energy to complement each other in multiple-energy-source electric system, from lifting system renewable energy consumption energy
From the point of view of power and energy efficiency, complementary index system is constructed,
A, renewable energy penetrance index in multiple-energy-source electric system is calculated
Define rpeIt (t) is ratio of the multiple-energy-source electric system in t-th period renewable energy output power of power supply and load
Value, main to reflect the status of renewable energy source current in the power system, the penetrance of renewable energy output power of power supply is got over
Greatly, it was demonstrated that multiple-energy-source electric system is more cleaned, and is calculated renewable energy penetrance in multiple-energy-source electric system with formula (2) and is referred to
Mark,
In formula,For renewable energy penetrance index in multiple-energy-source electric system,It indicates in multiple-energy-source electric system
Output power value of the renewable energy source current t-th of period,Indicate multiple-energy-source electric system in the load of t-th of period
Value, number of segment when T is, Δ t be time step, t=1,2,3 ... T,
B, the coal consumption figureofmerit of thermoelectricity is calculated
In multiple-energy-source electric system, the smaller economy for illustrating thermoelectricity of the coal consumption amount of thermoelectricity and the feature of environmental protection are better, with public affairs
Formula (3) calculates the coal consumption figureofmerit of fired power generating unit,
In formula, ai、bi、ciFor three fuel consumption characteristic coefficients of i-th of fired power generating unit, i=1,2,3 ... Nth, NthFor
In the in-service quantity of t-th of period fired power generating unit, f in multiple-energy-source electric systemi.tIt is i-th of fired power generating unit in t-th period
Coal consumption figureofmerit, Pth.i.tOutput power value for i-th of fired power generating unit t-th of period, t=1,2,3 ... T, Δ t are the time
Step-length, number of segment when T is,
C, the fluctuating range index of the undertaken load of thermoelectricity is calculated
In order to reduce fired power generating unit output power frequent change, reduce coal consumption amount, improve utilization efficiency, Ying Jinliang subtracts
The fluctuating range of few undertaken load of thermoelectricity, the fluctuating range of load is indicated using the standard deviation of load value, is counted with formula (4)
The fluctuating range index that fired power generating unit undertakes load is calculated,
In formula, δthUndertake the fluctuating range index of load by fired power generating unit in multiple-energy-source electric system, t=1,2,3 ...
T, Δ t be time step, number of segment when T is,The load undertaken for thermoelectricitys whole in multiple-energy-source electric system t-th of period
Value,The average value of load is undertaken within T period for thermoelectricitys whole in multiple-energy-source electric system,
D, the generated energy of water power is calculated with formula (5),
In formula, WHFor within T period in multiple-energy-source electric system whole water power total power generation；For j-th of water power
The water consumption that unit generates electricity t-th of period,Head height for j-th of Hydropower Unit t-th of period, j=1,2,3 ...
Nhy, NhyIt is multiple-energy-source electric system in the in-service quantity of t-th of period Hydropower Unit, η is water power transfer efficiency；T=1,2,
3 ... T, Δ t be time step, number of segment when T is,
E, the abandoning water index of water power is calculated with formula (6),
In formula, Δ Q is abandoning water index of whole water power within T period, QjmaxIt is j-th of Hydropower Unit at T
Maximum allocated water consumption in section,Water consumption for j-th of Hydropower Unit t-th of period, t=1,2,3 ... T, when Δ t is
Between step-length, number of segment when T is, j=1,2,3 ... Nhy, NhyFor multiple-energy-source electric system t-th of period Hydropower Unit in-service number
Amount,
2. the mathematical model of building description polyisocyanate matter power supply complementarity demand
Defining polyisocyanate matter power supply complementarity demand is within a certain period of time that the output power between each heterogeneous power supply is complementary to one another
Afterwards with the matching degree of load, two elements in complementary demand are power supply and load, by between various heterogeneous power supplys
Complementary demand parameter between complementary demand parameter and power supply and load quantifies,
A, the complementary demand parameter between various heterogeneous power supplys is calculated
A1, the change rate that output power of power supply is calculated with formula (7),
ri t=(Pi t-Pi t-1)/Δ t, (7)
In formula, ri tIt is i-th kind of power supply in the t-1 period to the output power change rate of t-th of period, Pi tIt is i-th kind
Output power value of the power supply t-th of period, Pi t-1For the i-th kind of output power value of power supply in the t-1 period, i=1,2,3 ...
N, n are the power type number investigated, t=1,2,3 ... T；Δ t be time step, number of segment when T is total,
A2, the absolute value of the sum of thermoelectricity, water power, photovoltaic, wind-powered electricity generation day part output power change rate is calculated with formula (8)
Set,
In formula, SsFor within T period the sum of thermoelectricity, water power, photovoltaic, wind-powered electricity generation day part output power change rate it is absolute
The set of value, βtIt is thermoelectricity, water power, photovoltaic, wind-powered electricity generation in the t-1 period to the sum of t-th of period output power change rate
Absolute value,It is thermoelectricity in the t-1 period to the output power change rate of t-th of period,It is water power in the t-1 period
To the output power change rate of t-th of period,Output power for photovoltaic in the t-1 period to t-th of period changes
Rate,It is wind-powered electricity generation in the t-1 period to the output power change rate of t-th of period, t=1,2,3 ... T, Δ t is time step
It is long, number of segment when T is,
A3, the complementary demand parameter between various heterogeneous power supplys is calculated with formula (9),
In formula, DssFor the complementary demand parameter between heterogeneous power supplys various in T period, βtFor thermoelectricity, water power, light
Volt, wind-powered electricity generation are in the t-1 period to the absolute value of the sum of the output power change rate of t-th of period, t=1,2,3 ... T, and Δ t is
Time step, number of segment when T is,
The value of complementary demand parameter between various heterogeneous power supplys is smaller, shows honourable in the time scale investigated
Mutual supporting role between extreme misery power supply is stronger, i.e., complementary effect is better, otherwise the mutual support between honourable extreme misery power supply
Effect is weaker,
B, the complementary demand parameter between power supply and load is calculated
B1, the relative change rate that output power of power supply is calculated with formula (10),
In formula,Relative change rate for all power supply gross outputs in the t-1 period to t-th of period,For
All power supply gross outputs are in the t-1 period to the output power change rate of t-th of period, PscIt is in-service in all power supplys
The installed capacity of generating set, number of segment when T is, t=1,2,3 ... T, Δ t are time step,
B2, with the relative change rate of formula (11) calculated load,
In formula,For in the relative change rate of the t-1 period to t-th of period system loading, Plmax.TFor at T
Maximum load value in section,For in the change rate of the t-1 period to t-th of period system loading, t=1,2,3 ... T, Δ t
For time step, number of segment when T is,
B3, calculated between the output power and system loading of all power supplys with formula (12) relative change rate of day part and
Absolute value set,
In formula, SlFor the opposite variation of the day part between the output power and system loading of power supplys all in T period
The set of the absolute value of rate sum, αtIn the t-1 period to t-th period between the output power and system loading of power supply
The absolute value of relative change rate's sum,The opposite of gross output for all power supplys in the t-1 period to t-th of period becomes
Rate,Relative change rate for system loading in the t-1 period to t-th of period, t=1,2,3 ... T, Δ t are time step
It is long, number of segment when T is,
B4, the complementary demand parameter between power supply and load is calculated with formula (13),
In formula, DslFor the complementary demand parameter between the power supply and load of multiple-energy-source electric system in T period, αt
Between the output power and system loading of power supply the relative change rate of the t-1 period to t-th period and absolute value,
Number of segment when T is, t=1,2,3 ... T, Δ t are time step,
The value of complementary demand parameter between power supply and load is smaller, shows power supply and load in the time ruler investigated
Variation tendency is more close in spending；Otherwise, the variation tendency of power supply and load is more different,
Complementarity between power supply, between power supply and load is better, and complementary demand is smaller, i.e., complementary demand parameter value
Closer to zero；
3) renewable energy complementary power supply is defined
The renewable energy source current that can satisfy complementary demand after complementation is polymerized to a kind of power supply, is defined as renewable
Energy complementary power supply (Renewable Energy Complementary Power Supply, RECPS), renewable energy is mutual
It mends power supply to be polymerized by whole wind-solar power supplies and required matching water power, main purpose is to reduce wind-solar power supply to multiple-energy-source
Electric system bring power swing, the primitive rule of polymerization are to provide multiple forms of energy to complement each other to coordinate the mutual of power generation in multiple-energy-source electric system
Under assisting vehicle system, meet system complementarity demand, using energy conservation and environmental protection as criterion, renewable energy source current polymerize, calculate with
The water power capacity ratio of the complementary minimum target of demand, after forming renewable energy complementary power supply, output power can be followed
The fluctuation of load, in multiple-energy-source electric system, renewable energy complementary power supply sees a kind of power supply as, with other normal power supplies
Operation is optimized together, and when system load value is constant, the output power of renewable energy complementary power supply is also remained unchanged；
4) the hierarchy optimization operation reserve of polyisocyanate mass-energy source current is formulated
The hierarchy optimization operation reserve of polyisocyanate mass-energy source current coordinates power generation to provide multiple forms of energy to complement each other in multiple-energy-source electric system
Based on complementary mechanisms, preferential receiving wind-powered electricity generation in full and photovoltaic power generation；Making full use of adjustable water power reply scene, these are not true
Property power supply brought by randomness and intermittent and demodulate peak character, the present invention aggregates into water power, wind-powered electricity generation, photovoltaic renewable
Energy complementary power supply, renewable energy complementary power supply output power is relatively stable and can follow load fluctuation, can be improved more
Electricity power system gives system stable operation bring unfavorable shadow the digestion capability of scene, the honourable resource uncertainty of reduction
It rings,
The optimization aim of selected multiple-energy-source electric system is that the complementary index of multiple-energy-source electric system is allowed to reach most
Reasonable disposition that is excellent and realizing power system resource is run according to the hierarchy optimization that complementary index formulates polyisocyanate mass-energy source current
Strategy, wherein comprising complementary power supply optimization layer, remaining optimization of hydroelectric generation layer, thermoelectricity optimization layer,
1. complementary power supply optimization layer
Multiple-energy-source electric power system optimization operation in renewable energy complementary power supply is optimized first, using wind-powered electricity generation,
Photovoltaic, water power polymerize to obtain renewable energy complementary power supply, defeated based on wind-powered electricity generation and photovoltaic with the minimum target of complementary demand
Power prediction value out obtains the aggregate capacity of required matching water power and scene in renewable energy complementary power supply and matches, and then really
Determine the output power of wind-powered electricity generation in day part, photovoltaic, required matching water power, the main target of renewable energy complementary power supply optimization layer
For the polymerization ratio for determining honourable water, the smallest objective function of complementary demand is calculated with formula (14),
In formula, DslFor complementary demand of the multiple-energy-source electric system between the power supply and load in T period,It is negative
The relative change rate in the t-1 period to t-th of period of lotus,Exist for renewable energy complementary power supply output power
The relative change rate of the t-1 period to t-th of period, t=1,2,3 ... T, Δ t be time step, number of segment when T is,
2. remaining optimization of hydroelectric generation layer
Net load song is obtained after the load value of multiple-energy-source electric system is subtracted renewable energy complementary power supply output power
Line is generated electricity, with formula (15) under the conditions of guaranteeing that net load is stable with abandoning the minimum target exploitation residue water power of water
It calculates water power and abandons the smallest objective function of water,
In formula, Δ Q is abandoning water of the remaining water power within T period, QjmaxIt is j-th of Hydropower Unit within T period
Maximum allocated water consumption,Water consumption for j-th of Hydropower Unit t-th of period, j=1,2,3 ... Nrhy, NrhyFor residue
Hydropower Unit total quantity, t=1,2,3 ... T, Δ t be time step, number of segment when T is,
3. thermoelectricity optimization layer
Subtract remaining water power output power on net load curve and obtain remaining load, in renewable energy complementary power supply and
Under remaining water power double action, the fluctuating range of remaining load is smaller, arranges the defeated of fired power generating unit with the minimum target of coal consumption amount
Power out when the total output power of various heterogeneous power supplys is still greater than load, is then needed when the output power of fired power generating unit reaches minimum
Discard portion renewable energy output power of power supply calculates the smallest objective function of thermoelectricity coal consumption amount with formula (16),
In formula, F is fired power generating unit total consumption of coal amount, ui.tFor thermoelectricity startup-shutdown coefficient, the duration that is switched on is 1, and when shutdown is 0,
fi.tCoal consumption amount for i-th of fired power generating unit t-th of period, i=1,2,3 ... Nth, NthFor fired power generating unit total quantity, t=1,
2,3 ... T, Δ t be time step, number of segment when T is,
5) constraint condition is determined
The optimization operation of multiple-energy-source electric system needs to meet formula (17)~formula (23) constraint equation,
1. determining power-balance constraint
Power-balance constraint formula (17) expression,
In formula,For whole thermoelectricity output powers of t-th of period,For t-th of period residue water power output power, For t-th of period whole water power output power,For in t-th of period renewable energy complementary power supply
Hydropower Unit gross output,For t-th of period renewable energy complementary power supply output power, Pl tFor multiple-energy-source electric power
The load value of t-th of period of system, t=1,2,3 ... T, Δ t be time step, number of segment when T is,
2. determining the active output power constraint of unit
The active output power constraint of unit is indicated with formula (18),
In formula,For output power value of i-th of fired power generating unit t-th of period in multiple-energy-source electric system, i=1,
2,3…Nth, NthFor in multiple-energy-source electric system in the in-service quantity of t-th of period fired power generating unit；For multiple-energy-source power train
Output power value of j-th of Hydropower Unit t-th of period in system, j=1,2,3...Nhy, NhyExist for multiple-energy-source electric system
The in-service quantity of t-th of period Hydropower Unit；It is k-th of photovoltaic unit in multiple-energy-source electric system in t-th period
Output power value, k=1,2,3...Npv, NpvFor multiple-energy-source electric system t-th of period photovoltaic unit in-service quantity；
For output power value of g-th of Wind turbines t-th of period in multiple-energy-source electric system, g=1,2,3...Nw, NwFor multipotency
In-service quantity of the source electric system in t-th of period Wind turbines；Pmax.iFor i-th fired power generating unit in multiple-energy-source electric system
The output power upper limit, Pmax.jFor the output power upper limit of j-th of Hydropower Unit in multiple-energy-source electric system, Pmax.kFor multiple-energy-source
The output power upper limit of k-th of photovoltaic unit, P in electric systemmax.gFor in multiple-energy-source electric system g-th Wind turbines it is defeated
The upper limit of the power out；Pmin.iFor the output power lower limit of i-th of fired power generating unit in multiple-energy-source electric system, Pmin.jFor multiple-energy-source electricity
The output power lower limit of j-th of Hydropower Unit in Force system, t=1,2,3 ... T, Δ t be time step, number of segment when T is,
3. determining the constraint of system spinning reserve capacity
System spinning reserve capacity constraint formula (19) expression,
In formula:Spinning reserve capacity for system t-th of period,It is i-th of fired power generating unit t-th of period
Spinning reserve capacity, i=1,2,3 ... Nth, NthFor in multiple-energy-source electric system in the in-service number of t-th of period fired power generating unit
Amount；Spinning reserve capacity for j-th of Hydropower Unit t-th of period, j=1,2,3...Nhy, NhyFor multiple-energy-source electric power
In-service quantity of the system in t-th of period Hydropower Unit；α is that system loading predicts error to the service demand factor of spinning reserve, and β is
Wind power output power predicts error to the service demand factor of spinning reserve；γ is that photovoltaic output power predicts error to spinning reserve
Service demand factor,For multiple-energy-source electric system t-th of period load value；For k-th of light in multiple-energy-source electric system
Output power value of the volt unit t-th of period, k=1,2,3...Npv, NpvIt is multiple-energy-source electric system in t-th of period light
Lie prostrate the in-service quantity of unit；For output power value of g-th of Wind turbines t-th of period, g in multiple-energy-source electric system
=1,2,3...Nw, NwIn-service quantity for multiple-energy-source electric system in t-th of period Wind turbines, t=1,2,3 ... T, Δ t are
Time step, number of segment when T is,
4. determining Climing constant, lower Climing constant on unit
Climing constant, lower Climing constant are indicated with formula (20)~(21) on unit,
Pi t+1-Pi t≤ΔPi up (20)
Pi t-Pi t+1≤ΔPi down (21)
In formula, Pi t+1For output power of i-th of unit in the t+1 period, P in multiple-energy-source electric systemi tFor multiple-energy-source
Output power of i-th of unit t-th of period in electric system, Δ Pi upIt swashes for i-th of unit in multiple-energy-source electric system
Slope maximum value, Δ Pi downFor for maximum value of climbing under i-th of unit in multiple-energy-source electric system, i=1,2,3 ... N, N are multipotency
In-service unit number in the electric system of source, t=1,2,3 ... T, Δ t be time step, number of segment when T is,
5. determining the constraint of water power generated energy
Water power generated energy constraint formula (22) expression,
In formula:For output power value of j-th of Hydropower Unit t-th of period in multiple-energy-source electric system, j=1,
2,3…Nhy, NhyIn-service quantity for multiple-energy-source electric system in t-th of period Hydropower Unit, WHFor in multiple-energy-source electric system
Total power generation of all Hydropower Units within T period, t=1,2,3 ... T, Δ t be time step, number of segment when T is,
6. determining water power traffic constraints
Formula (23) expression of water power traffic constraints,
In formula: QjminThe smallest allocation water consumption for being j-th of Hydropower Unit within T period, QjmaxFor j-th of hydroelectric machine
Maximum allocated water consumption of the group within T period,Water consumption for j-th of Hydropower Unit t-th of period, j=1,2,3 ...
Nhy, NhyIn-service quantity for multiple-energy-source electric system in t-th of period Hydropower Unit, t=1,2,3 ... T, Δ t are time step
It is long, number of segment when T is,
6) by 1)~5) step, utilize the mathematical model of constructed complementary index system and complementary demand, knot
The constraint of multiple-energy-source electric system actual motion is closed, the output power of renewable energy complementary power supply is most matched with load, is remaining
The abandoning water of water power is minimum, the thermoelectricity the smallest objective function of coal consumption amount, is solved using particle swarm algorithm, is finally calculated
Complementary index can be made to be optimal corresponding polyisocyanate mass-energy source current in the output power value of day part.
A kind of the characteristics of multiple-energy-source electric power system optimization operation method based on the analysis of power supply complementary characteristic of the invention is,
It comprises the step of: coordinating the complementary mechanisms of power generation firstly, establishing and providing multiple forms of energy to complement each other in multiple-energy-source electric system, be based on the mutual assisting vehicle
The mathematical model of system building complementary index system and complementary demand；Then, renewable energy complementary power supply, the complementation are defined
Power supply is polymerized by whole wind-solar power supplies and required matching water power, is calculated with the water power capacity of the minimum target of complementary demand
Proportion；Secondly, the hierarchy optimization operation reserve of polyisocyanate mass-energy source current is formulated according to complementary index, wherein including complementary power supply
Optimization layer, remaining optimization of hydroelectric generation layer, thermoelectricity optimization layer；Finally, using particle swarm algorithm to the corresponding optimization aim of each optimization layer
Function is solved, and calculating can make complementary index be optimal corresponding polyisocyanate mass-energy source current in the defeated of day part
Performance number out, it is scientific, reasonable that this method has, simple, practical, is able to ascend the advantage of renewable energy consumption level.
Detailed description of the invention
Fig. 1 is a kind of multiple-energy-source electric power system optimization operation method process based on the analysis of power supply complementary characteristic of the invention
Figure；
Fig. 2 is that multiple-energy-source electric system complementarity demand is illustrated with water power and wind-solar power supply capacity aggregation ratio change curve
Figure；
Fig. 3 is that renewable energy complementary power supply output power and load comparisons scheme；
Fig. 4 is multiple-energy-source electric power system optimization operation result figure；
Fig. 5 is the various heterogeneous power supply generated energy comparison diagrams in optimization front and back.
Specific embodiment
Below with drawings and examples, invention is further explained.
- Fig. 5 referring to Fig.1, Fig. 1 are shown from basic data processing, building complementary index system and complementary demand
Mathematical model finally utilizes particle swarm algorithm to each optimization layer pair to the hierarchy optimization operation reserve for formulating polyisocyanate mass-energy source current
The optimization object function answered is solved, and calculating can make complementary index be optimal corresponding polyisocyanate mass-energy source current
In the Technology Roadmap of the output power value of day part, Fig. 2 show multiple-energy-source electric system complementarity demand with water power with
Honourable capacity aggregation ratio variation is finally reached optimal process；Renewable energy complementary power supply exports after Fig. 3 gives optimization
The comparative situation of power and load；Fig. 4 gives the result situation of multiple-energy-source electric power system optimization operation；Fig. 5 shows optimization
The comparative situation of the various heterogeneous power supply generated energy in front and back.
A kind of multiple-energy-source electric power system optimization operation method based on the analysis of power supply complementary characteristic of the invention, embodiment
Parameter value setting is as follows,
Fired power generating unit parameter is as shown in table 1
1 embodiment fired power generating unit parameter of table
| Parameter | TH1 | TH2 | TH3 | TH4 | TH5 |
| Capacity (MW) | 6020 | 270 | 270 | 1320 | 700 |
| Peak power output (MW) | 6020 | 270 | 270 | 1320 | 700 |
| Minimum output power (MW) | 300 | 135 | 135 | 560 | 320 |
| Climbing rate (MW/min) | 10 | 2.7 | 2.7 | 6 | 7 |
| a | 0.0088 | 0.0028 | 0.0085 | 0.0022 | 0.0058 |
| b | 0.17 | 0.52 | 0.32 | 0.35 | 0.45 |
| c | 10.8 | 14.7 | 12.3 | 13.8 | 11.9 |
Wind-powered electricity generation total installed capacity 1920MW；Photovoltaic total installed capacity 7954MW；Water power total installed capacity 10869MW；System loading predicts error
To spinning reserve service demand factor α=5%；Wind power output power predicts error to service demand factor β=12% of spinning reserve；Photovoltaic
Output power predicts error to spinning reserve service demand factor γ=9%；T=24；Δ T=1h.
A kind of multiple-energy-source electric power system optimization operation method based on the analysis of power supply complementary characteristic of the invention, including it is following
Step:
1) it establishes to provide multiple forms of energy to complement each other in multiple-energy-source electric system and coordinates the complementary mechanisms of power generation
1. being multipotency comprising the heterogeneous energy power supply that a variety of characteristics of output power are different in multiple-energy-source electric system
The precondition of power generation is coordinated in complementation, wherein the complementary characteristic between each power supply has the spy of multiple-energy-source, multi-space, various dimensions
Point, power supply complementary characteristic use formula for being able to carry out mutually Ji mutual assistance power generation feature between different mass-energy source current
(1) power supply complementary characteristic is expressed as the characteristic that various output power of power supply meet system loading,
In formula,For multiple-energy-source electric system t-th of period load value；It is i-th in multiple-energy-source electric system
Output power value of the fired power generating unit t-th of period, i=1,2,3 ... Nth, NthFor in multiple-energy-source electric system t-th of period
The in-service quantity of fired power generating unit；For output power value of j-th of Hydropower Unit t-th of period in multiple-energy-source electric system,
J=1,2,3...Nhy, NhyFor multiple-energy-source electric system t-th of period Hydropower Unit in-service quantity；For multiple-energy-source electricity
Output power value of k-th of photovoltaic unit t-th of period in Force system, k=1,2,3...Npv, NpvFor multiple-energy-source power train
It unites in the in-service quantity of t-th of period photovoltaic unit；It is g-th of Wind turbines in multiple-energy-source electric system t-th of period
Output power value, g=1,2,3...Nw, NwFor multiple-energy-source electric system t-th of period Wind turbines in-service quantity；T=
1,2,3 ... T, number of segment when T is, Δ t are time step,
Coordinate the complementary mechanisms of power generation 2. establishing and providing multiple forms of energy to complement each other in multiple-energy-source electric system are as follows: with natural mutual of various power supplys
Mend characteristic based on, stabilized by the well-tuned ability that thermoelectricity, pneumoelectric, controllability water power have wind-powered electricity generation, photovoltaic these
The fluctuation of Constraint of Resources type output power of power supply makes full use of clean renewable energy source current, reduces thermoelectricity in electricity
Proportion in Force system realizes the reasonable disposition of power system resource, and the system that is finally reached always generates electricity real between total load
The optimization of Shi Pingheng runs purpose,
2) mathematical model of complementary index system, complementary demand is constructed respectively
1. constructing complementary index system
Define the quantizating index for the complementary effect that complementary index is pursued by multiple-energy-source electric system, the i.e. side of its optimization
To in conjunction with the complementary mechanisms for coordinating power generation of providing multiple forms of energy to complement each other in multiple-energy-source electric system, from lifting system renewable energy consumption energy
From the point of view of power and energy efficiency, complementary index system is constructed,
A, renewable energy penetrance index in multiple-energy-source electric system is calculated
Define rpeIt (t) is ratio of the multiple-energy-source electric system in t-th period renewable energy output power of power supply and load
Value, main to reflect the status of renewable energy source current in the power system, the penetrance of renewable energy output power of power supply is got over
Greatly, it was demonstrated that multiple-energy-source electric system is more cleaned, and is calculated renewable energy penetrance in multiple-energy-source electric system with formula (2) and is referred to
Mark,
In formula,For renewable energy penetrance index in multiple-energy-source electric system,It indicates in multiple-energy-source electric system
Output power value of the renewable energy source current t-th of period, Pl tIndicate multiple-energy-source electric system in the load of t-th of period
Value, number of segment when T is, Δ t be time step, t=1,2,3 ... T,
B, the coal consumption figureofmerit of thermoelectricity is calculated
In multiple-energy-source electric system, the smaller economy for illustrating thermoelectricity of the coal consumption amount of thermoelectricity and the feature of environmental protection are better, with public affairs
Formula (3) calculates the coal consumption figureofmerit of fired power generating unit,
In formula, ai、bi、ciFor three fuel consumption characteristic coefficients of i-th of fired power generating unit, i=1,2,3 ... Nth, NthFor
In the in-service quantity of t-th of period fired power generating unit, f in multiple-energy-source electric systemi.tIt is i-th of fired power generating unit in t-th period
Coal consumption figureofmerit, Pth.i.tOutput power value for i-th of fired power generating unit t-th of period, t=1,2,3 ... T, Δ t are the time
Step-length, number of segment when T is,
C, the fluctuating range index of the undertaken load of thermoelectricity is calculated
In order to reduce fired power generating unit output power frequent change, reduce coal consumption amount, improve utilization efficiency, Ying Jinliang subtracts
The fluctuating range of few undertaken load of thermoelectricity, the fluctuating range of load is indicated using the standard deviation of load value, is counted with formula (4)
The fluctuating range index that fired power generating unit undertakes load is calculated,
In formula, δthUndertake the fluctuating range index of load by fired power generating unit in multiple-energy-source electric system, t=1,2,3 ...
T, Δ t be time step, number of segment when T is,The load undertaken for thermoelectricitys whole in multiple-energy-source electric system t-th of period
Value,The average value of load is undertaken within T period for thermoelectricitys whole in multiple-energy-source electric system,
D, the generated energy of water power is calculated with formula (5),
In formula, WHFor within T period in multiple-energy-source electric system whole water power total power generation；For j-th of water power
The water consumption that unit generates electricity t-th of period,Head height for j-th of Hydropower Unit t-th of period, j=1,2,
3…Nhy, NhyIt is multiple-energy-source electric system in the in-service quantity of t-th of period Hydropower Unit, η is water power transfer efficiency；T=1,
2,3 ... T, Δ t be time step, number of segment when T is,
E, the abandoning water index of water power is calculated with formula (6),
In formula, Δ Q is abandoning water index of whole water power within T period, QjmaxIt is j-th of Hydropower Unit at T
Maximum allocated water consumption in section,Water consumption for j-th of Hydropower Unit t-th of period, t=1,2,3 ... T, Δ t are
Time step, number of segment when T is, j=1,2,3 ... Nhy, NhyIt is multiple-energy-source electric system in the in-service of t-th period Hydropower Unit
Quantity,
2. the mathematical model of building description polyisocyanate matter power supply complementarity demand
Defining polyisocyanate matter power supply complementarity demand is within a certain period of time that the output power between each heterogeneous power supply is complementary to one another
Afterwards with the matching degree of load, two elements in complementary demand are power supply and load, by between various heterogeneous power supplys
Complementary demand parameter between complementary demand parameter and power supply and load quantifies,
A, the complementary demand parameter between various heterogeneous power supplys is calculated
A1, the change rate that output power of power supply is calculated with formula (7),
ri t=(Pi t-Pi t-1)/Δ t, (7)
In formula, ri tIt is i-th kind of power supply in the t-1 period to the output power change rate of t-th of period, Pi tIt is i-th kind
Output power value of the power supply t-th of period, Pi t-1For the i-th kind of output power value of power supply in the t-1 period, i=1,2,3 ...
N, n are the power type number investigated, t=1,2,3 ... T；Δ t be time step, number of segment when T is total,
A2, the absolute value of the sum of thermoelectricity, water power, photovoltaic, wind-powered electricity generation day part output power change rate is calculated with formula (8)
Set,
In formula, SsFor within T period the sum of thermoelectricity, water power, photovoltaic, wind-powered electricity generation day part output power change rate it is absolute
The set of value, βtIt is thermoelectricity, water power, photovoltaic, wind-powered electricity generation in the t-1 period to the sum of t-th of period output power change rate
Absolute value,It is thermoelectricity in the t-1 period to the output power change rate of t-th of period,It is water power in the t-1 period
To the output power change rate of t-th of period,It is photovoltaic in the t-1 period to the output power change rate of t-th of period,It is wind-powered electricity generation in the t-1 period to the output power change rate of t-th of period, t=1,2,3 ... T, Δ t is time step, T
For when number of segment,
A3, the complementary demand parameter between various heterogeneous power supplys is calculated with formula (9),
In formula, DssFor the complementary demand parameter between heterogeneous power supplys various in T period, βtFor thermoelectricity, water power, light
Volt, wind-powered electricity generation are in the t-1 period to the absolute value of the sum of the output power change rate of t-th of period, t=1,2,3 ... T, and Δ t is
Time step, number of segment when T is,
The value of complementary demand parameter between various heterogeneous power supplys is smaller, shows honourable in the time scale investigated
Mutual supporting role between extreme misery power supply is stronger, i.e., complementary effect is better, otherwise the mutual support between honourable extreme misery power supply
Effect is weaker,
B, the complementary demand parameter between power supply and load is calculated
B1, the relative change rate that output power of power supply is calculated with formula (10),
In formula,Relative change rate for all power supply gross outputs in the t-1 period to t-th of period,For
All power supply gross outputs are in the t-1 period to the output power change rate of t-th of period, PscIt is in-service in all power supplys
The installed capacity of generating set, number of segment when T is, t=1,2,3 ... T, Δ t are time step,
B2, with the relative change rate of formula (11) calculated load,
In formula,For in the relative change rate of the t-1 period to t-th of period system loading, Plmax.TFor at T
Maximum load value in section,For in the change rate of the t-1 period to t-th of period system loading, t=1,2,3 ... T, Δ t
For time step, number of segment when T is,
B3, calculated between the output power and system loading of all power supplys with formula (12) relative change rate of day part and
Absolute value set,
In formula, SlFor the opposite variation of the day part between the output power and system loading of power supplys all in T period
The set of the absolute value of rate sum, αtIn the t-1 period to t-th period between the output power and system loading of power supply
The absolute value of relative change rate's sum,The opposite of gross output for all power supplys in the t-1 period to t-th of period becomes
Rate,Relative change rate for system loading in the t-1 period to t-th of period, t=1,2,3 ... T, Δ t are the time
Step-length, number of segment when T is,
B4, the complementary demand parameter between power supply and load is calculated with formula (13),
In formula, DslFor the complementary demand parameter between the power supply and load of multiple-energy-source electric system in T period, αt
Between the output power and system loading of power supply the relative change rate of the t-1 period to t-th period and absolute value,
Number of segment when T is, t=1,2,3 ... T, Δ t are time step,
The value of complementary demand parameter between power supply and load is smaller, shows power supply and load in the time ruler investigated
Variation tendency is more close in spending；Otherwise, the variation tendency of power supply and load is more different,
Complementarity between power supply, between power supply and load is better, and complementary demand is smaller, i.e., complementary demand parameter value
Closer to zero；
3) renewable energy complementary power supply is defined
The renewable energy source current that can satisfy complementary demand after complementation is polymerized to a kind of power supply, is defined as renewable
Energy complementary power supply (Renewable Energy Complementary Power Supply, RECPS), renewable energy is mutual
It mends power supply to be polymerized by whole wind-solar power supplies and required matching water power, main purpose is to reduce wind-solar power supply to multiple-energy-source
Electric system bring power swing, the primitive rule of polymerization are to provide multiple forms of energy to complement each other to coordinate the mutual of power generation in multiple-energy-source electric system
Under assisting vehicle system, meet system complementarity demand, using energy conservation and environmental protection as criterion, renewable energy source current polymerize, calculate with
The water power capacity ratio of the complementary minimum target of demand, after forming renewable energy complementary power supply, output power can be followed
The fluctuation of load, in multiple-energy-source electric system, renewable energy complementary power supply sees a kind of power supply as, with other normal power supplies
Operation is optimized together, and when system load value is constant, the output power of renewable energy complementary power supply is also remained unchanged；
4) the hierarchy optimization operation reserve of polyisocyanate mass-energy source current is formulated
The hierarchy optimization operation reserve of polyisocyanate mass-energy source current coordinates power generation to provide multiple forms of energy to complement each other in multiple-energy-source electric system
Based on complementary mechanisms, preferential receiving wind-powered electricity generation in full and photovoltaic power generation；Making full use of adjustable water power reply scene, these are not true
Property power supply brought by randomness and intermittent and demodulate peak character, the present invention aggregates into water power, wind-powered electricity generation, photovoltaic renewable
Energy complementary power supply, renewable energy complementary power supply output power is relatively stable and can follow load fluctuation, can be improved more
Electricity power system gives system stable operation bring unfavorable shadow the digestion capability of scene, the honourable resource uncertainty of reduction
It rings,
The optimization aim of selected multiple-energy-source electric system is that the complementary index of multiple-energy-source electric system is allowed to reach most
Reasonable disposition that is excellent and realizing power system resource is run according to the hierarchy optimization that complementary index formulates polyisocyanate mass-energy source current
Strategy, wherein comprising complementary power supply optimization layer, remaining optimization of hydroelectric generation layer, thermoelectricity optimization layer,
1. complementary power supply optimization layer
Multiple-energy-source electric power system optimization operation in renewable energy complementary power supply is optimized first, using wind-powered electricity generation,
Photovoltaic, water power polymerize to obtain renewable energy complementary power supply, defeated based on wind-powered electricity generation and photovoltaic with the minimum target of complementary demand
Power prediction value out obtains the aggregate capacity of required matching water power and scene in renewable energy complementary power supply and matches, and then really
Determine the output power of wind-powered electricity generation in day part, photovoltaic, required matching water power, the main target of renewable energy complementary power supply optimization layer
For the polymerization ratio for determining honourable water, the smallest objective function of complementary demand is calculated with formula (14),
In formula, DslFor complementary demand of the multiple-energy-source electric system between the power supply and load in T period,It is negative
The relative change rate in the t-1 period to t-th of period of lotus,Exist for renewable energy complementary power supply output power
The relative change rate of the t-1 period to t-th of period, t=1,2,3 ... T, Δ t be time step, number of segment when T is,
2. remaining optimization of hydroelectric generation layer
Net load song is obtained after the load value of multiple-energy-source electric system is subtracted renewable energy complementary power supply output power
Line is generated electricity, with formula (15) under the conditions of guaranteeing that net load is stable with abandoning the minimum target exploitation residue water power of water
It calculates water power and abandons the smallest objective function of water,
In formula, Δ Q is abandoning water of the remaining water power within T period, QjmaxIt is j-th of Hydropower Unit within T period
Maximum allocated water consumption,Water consumption for j-th of Hydropower Unit t-th of period, j=1,2,3 ... Nrhy, NrhyFor residue
Hydropower Unit total quantity, t=1,2,3 ... T, Δ t be time step, number of segment when T is,
3. thermoelectricity optimization layer
Subtract remaining water power output power on net load curve and obtain remaining load, in renewable energy complementary power supply and
Under remaining water power double action, the fluctuating range of remaining load is smaller, arranges the defeated of fired power generating unit with the minimum target of coal consumption amount
Power out when the total output power of various heterogeneous power supplys is still greater than load, is then needed when the output power of fired power generating unit reaches minimum
Discard portion renewable energy output power of power supply calculates the smallest objective function of thermoelectricity coal consumption amount with formula (16),
In formula, F is fired power generating unit total consumption of coal amount, ui.tFor thermoelectricity startup-shutdown coefficient, the duration that is switched on is 1, and when shutdown is 0,
fi.tCoal consumption amount for i-th of fired power generating unit t-th of period, i=1,2,3 ... Nth, NthFor fired power generating unit total quantity, t=1,
2,3 ... T, Δ t be time step, number of segment when T is,
5) constraint condition is determined
The optimization operation of multiple-energy-source electric system needs to meet formula (17)~formula (23) constraint equation,
1. determining power-balance constraint
Power-balance constraint formula (17) expression,
In formula,For whole thermoelectricity output powers of t-th of period,For t-th of period residue water power output power, For t-th of period whole water power output power,For in t-th of period renewable energy complementary power supply
Hydropower Unit gross output,For t-th of period renewable energy complementary power supply output power, Pl tFor multiple-energy-source electric power
The load value of t-th of period of system, t=1,2,3 ... T, Δ t be time step, number of segment when T is,
2. determining the active output power constraint of unit
The active output power constraint of unit is indicated with formula (18),
In formula,For output power value of i-th of fired power generating unit t-th of period in multiple-energy-source electric system, i=1,
2,3…Nth, NthFor in multiple-energy-source electric system in the in-service quantity of t-th of period fired power generating unit；For multiple-energy-source power train
Output power value of j-th of Hydropower Unit t-th of period in system, j=1,2,3...Nhy, NhyExist for multiple-energy-source electric system
The in-service quantity of t-th of period Hydropower Unit；It is k-th of photovoltaic unit in multiple-energy-source electric system defeated in t-th period
Performance number out, k=1,2,3...Npv, NpvFor multiple-energy-source electric system t-th of period photovoltaic unit in-service quantity；For
Output power value of g-th of Wind turbines t-th of period in multiple-energy-source electric system, g=1,2,3...Nw, NwFor multiple-energy-source
In-service quantity of the electric system in t-th of period Wind turbines；Pmax.iFor in multiple-energy-source electric system i-th fired power generating unit it is defeated
The upper limit of the power out, Pmax.jFor the output power upper limit of j-th of Hydropower Unit in multiple-energy-source electric system, Pmax.kFor multiple-energy-source electricity
The output power upper limit of k-th of photovoltaic unit, P in Force systemmax.gFor the output of g-th of Wind turbines in multiple-energy-source electric system
The upper limit of the power；Pmin.iFor the output power lower limit of i-th of fired power generating unit in multiple-energy-source electric system, Pmin.jFor multiple-energy-source electric power
The output power lower limit of j-th of Hydropower Unit in system, t=1,2,3 ... T, Δ t be time step, number of segment when T is,
3. determining the constraint of system spinning reserve capacity
System spinning reserve capacity constraint formula (19) expression,
In formula:Spinning reserve capacity for system t-th of period,It is i-th of fired power generating unit t-th of period
Spinning reserve capacity, i=1,2,3 ... Nth, NthFor in multiple-energy-source electric system in the in-service number of t-th of period fired power generating unit
Amount；Spinning reserve capacity for j-th of Hydropower Unit t-th of period, j=1,2,3...Nhy, NhyFor multiple-energy-source electric power
In-service quantity of the system in t-th of period Hydropower Unit；α is that system loading predicts error to the service demand factor of spinning reserve, and β is
Wind power output power predicts error to the service demand factor of spinning reserve；γ is that photovoltaic output power predicts error to spinning reserve
Service demand factor,For multiple-energy-source electric system t-th of period load value；For k-th of light in multiple-energy-source electric system
Output power value of the volt unit t-th of period, k=1,2,3...Npv, NpvIt is multiple-energy-source electric system in t-th of period light
Lie prostrate the in-service quantity of unit；For output power value of g-th of Wind turbines t-th of period, g in multiple-energy-source electric system
=1,2,3...Nw, NwIn-service quantity for multiple-energy-source electric system in t-th of period Wind turbines, t=1,2,3 ... T, Δ t are
Time step, number of segment when T is,
4. determining Climing constant, lower Climing constant on unit
Climing constant, lower Climing constant are indicated with formula (20)~(21) on unit,
Pi t+1-Pi t≤ΔPi up (20)
Pi t-Pi t+1≤ΔPi down (21)
In formula, Pi t+1For output power of i-th of unit in the t+1 period, P in multiple-energy-source electric systemi tFor multiple-energy-source
Output power of i-th of unit t-th of period in electric system, Δ Pi upIt swashes for i-th of unit in multiple-energy-source electric system
Slope maximum value, Δ Pi downFor for maximum value of climbing under i-th of unit in multiple-energy-source electric system, i=1,2,3 ... N, N are multipotency
In-service unit number in the electric system of source, t=1,2,3 ... T, Δ t be time step, number of segment when T is,
5. determining the constraint of water power generated energy
Water power generated energy constraint formula (22) expression,
In formula:For output power value of j-th of Hydropower Unit t-th of period in multiple-energy-source electric system, j=1,
2,3…Nhy, NhyIn-service quantity for multiple-energy-source electric system in t-th of period Hydropower Unit, WHFor in multiple-energy-source electric system
Total power generation of all Hydropower Units within T period, t=1,2,3 ... T, Δ t be time step, number of segment when T is,
6. determining water power traffic constraints
Formula (23) expression of water power traffic constraints,
In formula: QjminThe smallest allocation water consumption for being j-th of Hydropower Unit within T period, QjmaxFor j-th of hydroelectric machine
Maximum allocated water consumption of the group within T period,Water consumption for j-th of Hydropower Unit t-th of period, j=1,2,3 ...
Nhy, NhyIn-service quantity for multiple-energy-source electric system in t-th of period Hydropower Unit, t=1,2,3 ... T, Δ t are time step
It is long, number of segment when T is,
6) by 1)~5) step, utilize the mathematical model of constructed complementary index system and complementary demand, knot
The constraint of multiple-energy-source electric system actual motion is closed, the output power of renewable energy complementary power supply is most matched with load, is remaining
The abandoning water of water power is minimum, the thermoelectricity the smallest objective function of coal consumption amount, is solved using particle swarm algorithm, is finally calculated
Complementary index can be made to be optimal corresponding polyisocyanate mass-energy source current in the output power value of day part.
In conjunction with multiple-energy-source electric power system optimization moving model, particle swarm algorithm program is write, each parameter is set in algorithm routine
Be set to: population scale takes 20, and the number of iterations is 500 times, and Particles Moving velocity interval is [- 10,10], if Studying factors are 2,
Using linearly decreasing weight, maximum value is set as 0.9, and minimum value is set as 0.4.
It is optimized using the multiple-energy-source electric power system optimization operation method of the invention based on the analysis of power supply complementary characteristic
Runtime verification the result shows that: enhance power grid to the grid-connected receiving ability of scene, increase the grid-connected ratio of renewable energy, subtract
The influence that the uncontrollable power supply of Constraint of Resources type generates electricity to power grid is lacked, before the generated energy accounting of renewable energy is by optimizing
72.76% improves to 76.57%.By optimization operation result it can also be seen that the mean square deviation of thermoelectricity output power is subtracted by 196.775MW
As low as 22.56MW reduces the fluctuation of the output power of thermoelectricity, reduces the start and stop and adjusting of thermoelectricity.
The particular embodiment of the present invention is made that detailed explanation to the contents of the present invention, but does not limit to the present embodiment,
Those skilled in the art are according to the present invention to enlighten any obvious change done, and belongs to rights protection of the present invention
Range.
Claims (1)
1. a kind of multiple-energy-source electric power system optimization operation method based on the analysis of power supply complementary characteristic, which is characterized in that it includes
Following steps:
1) it establishes to provide multiple forms of energy to complement each other in multiple-energy-source electric system and coordinates the complementary mechanisms of power generation
1. being to provide multiple forms of energy to complement each other comprising the heterogeneous energy power supply that a variety of characteristics of output power are different in multiple-energy-source electric system
Coordinate the precondition of power generation, wherein the complementary characteristic between each power supply has the characteristics that multiple-energy-source, multi-space, various dimensions, electricity
Source complementary characteristic, will with formula (1) for being able to carry out mutually Ji mutual assistance power generation feature between different mass-energy source current
Power supply complementary characteristic is expressed as the characteristic that various output power of power supply meet system loading,
In formula,For multiple-energy-source electric system t-th of period load value；For i-th of thermoelectricity in multiple-energy-source electric system
Output power value of the unit t-th of period, i=1,2,3 ... Nth, NthFor in multiple-energy-source electric system in t-th of period thermoelectricity
The in-service quantity of unit；For output power value of j-th of Hydropower Unit t-th of period, j=in multiple-energy-source electric system
1,2,3...Nhy, NhyFor multiple-energy-source electric system t-th of period Hydropower Unit in-service quantity；For multiple-energy-source power train
Output power value of k-th of photovoltaic unit t-th of period in system, k=1,2,3...Npv, NpvExist for multiple-energy-source electric system
The in-service quantity of t-th of period photovoltaic unit；It is g-th of Wind turbines in multiple-energy-source electric system defeated in t-th period
Performance number out, g=1,2,3...Nw, NwFor multiple-energy-source electric system t-th of period Wind turbines in-service quantity；T=1,2,
3 ... T, number of segment when T is, Δ t are time step,
Coordinate the complementary mechanisms of power generation 2. establishing and providing multiple forms of energy to complement each other in multiple-energy-source electric system are as follows: special with the complementation that various power supplys are natural
Based on property, these natures of wind-powered electricity generation, photovoltaic are stabilized by the well-tuned ability that thermoelectricity, pneumoelectric, controllability water power have
The fluctuation of resource limitation area output power of power supply makes full use of clean renewable energy source current, reduces thermoelectricity in power train
Proportion in system realizes the reasonable disposition of power system resource, is finally reached system and always generates electricity and puts down in real time between total load
The optimization of weighing apparatus runs purpose,
2) mathematical model of complementary index system, complementary demand is constructed respectively
1. constructing complementary index system
The quantizating index for the complementary effect that complementary index is pursued by multiple-energy-source electric system, the i.e. direction of its optimization are defined,
In conjunction with the complementary mechanisms for coordinating power generation of providing multiple forms of energy to complement each other in multiple-energy-source electric system, from lifting system renewable energy digestion capability and
From the point of view of energy efficiency, complementary index system is constructed,
A, renewable energy penetrance index in multiple-energy-source electric system is calculated
Define rpe(t) ratio for multiple-energy-source electric system in t-th period renewable energy output power of power supply and load, master
Reflect the status of renewable energy source current in the power system, the penetrance of renewable energy output power of power supply is bigger, card
Bright multiple-energy-source electric system is more cleaned, and calculates renewable energy penetrance index in multiple-energy-source electric system with formula (2),
In formula,For renewable energy penetrance index in multiple-energy-source electric system,Indicating can be again in multiple-energy-source electric system
Output power value of the raw energy power supply t-th of period, Pl tIndicate that load value of the multiple-energy-source electric system t-th of period, T are
When number of segment, Δ t be time step, t=1,2,3 ... T,
B, the coal consumption figureofmerit of thermoelectricity is calculated
In multiple-energy-source electric system, the smaller economy for illustrating thermoelectricity of the coal consumption amount of thermoelectricity and the feature of environmental protection are better, with formula (3)
The coal consumption figureofmerit of fired power generating unit is calculated,
In formula, ai、bi、ciFor three fuel consumption characteristic coefficients of i-th of fired power generating unit, i=1,2,3 ... Nth, NthFor multiple-energy-source
In the in-service quantity of t-th of period fired power generating unit, f in electric systemi.tFor i-th of fired power generating unit t-th of period coal consumption amount
Index, Pth.i.tOutput power value for i-th of fired power generating unit t-th of period, t=1,2,3 ... T, Δ t are time step, T
For when number of segment,
C, the fluctuating range index of the undertaken load of thermoelectricity is calculated
In order to reduce fired power generating unit output power frequent change, reduce coal consumption amount, improve utilization efficiency, fire should be reduced to the greatest extent
The fluctuating range of the undertaken load of electricity, the fluctuating range of load is indicated using the standard deviation of load value, calculates fire with formula (4)
Motor group undertakes the fluctuating range index of load,
In formula, δthThe fluctuating range index of load, t=1,2,3 ... T, Δ t are undertaken by fired power generating unit in multiple-energy-source electric system
For time step, number of segment when T is,For the load value that thermoelectricitys whole in multiple-energy-source electric system undertake t-th of period,The average value of load is undertaken within T period for thermoelectricitys whole in multiple-energy-source electric system,
D, the generated energy of water power is calculated with formula (5),
In formula, WHFor within T period in multiple-energy-source electric system whole water power total power generation；For j-th of Hydropower Unit
T-th of period power generation water consumption,Head height for j-th of Hydropower Unit t-th of period, j=1,2,3 ... Nhy,
NhyIt is multiple-energy-source electric system in the in-service quantity of t-th of period Hydropower Unit, η is water power transfer efficiency；T=1,2,3 ... T,
Δ t be time step, number of segment when T is,
E, the abandoning water index of water power is calculated with formula (6),
In formula, Δ Q is abandoning water index of whole water power within T period, QjmaxIt is j-th of Hydropower Unit within T period
Maximum allocated water consumption,Water consumption for j-th of Hydropower Unit t-th of period, t=1,2,3 ... T, Δ t are time step
It is long, number of segment when T is, j=1,2,3 ... Nhy, NhyFor multiple-energy-source electric system t-th of period Hydropower Unit in-service quantity,
2. the mathematical model of building description polyisocyanate matter power supply complementarity demand
Define polyisocyanate matter power supply complementarity demand be within a certain period of time, the output power between each heterogeneous power supply be complementary to one another after with
The matching degree of load, two elements in complementary demand are power supply and load, pass through the complementation between various heterogeneous power supplys
Complementary demand parameter between property demand parameter and power supply and load quantifies,
A, the complementary demand parameter between various heterogeneous power supplys is calculated
A1, the change rate that output power of power supply is calculated with formula (7),
In formula,It is i-th kind of power supply in the t-1 period to the output power change rate of t-th of period, Pi tExist for i-th kind of power supply
The output power value of t-th of period, Pi t-1For the i-th kind of output power value of power supply in the t-1 period, i=1,2,3 ... n, n are
The power type number investigated, t=1,2,3 ... T；Δ t be time step, number of segment when T is total,
A2, calculated with formula (8) thermoelectricity, water power, photovoltaic, the sum of wind-powered electricity generation day part output power change rate absolute value collection
It closes,
In formula, SsFor the absolute value of the sum of thermoelectricity, water power, photovoltaic, wind-powered electricity generation day part output power change rate within T period
Set, βtIt is thermoelectricity, water power, photovoltaic, wind-powered electricity generation in the t-1 period to the absolute of the sum of t-th of period output power change rate
Value,It is thermoelectricity in the t-1 period to the output power change rate of t-th of period,It is water power in the t-1 period to
The output power change rate of t period,It is photovoltaic in the t-1 period to the output power change rate of t-th of period,For
Wind-powered electricity generation is in the t-1 period to the output power change rate of t-th of period, and t=1,2,3 ... T, Δ t is time step, when T is
Number of segment,
A3, the complementary demand parameter between various heterogeneous power supplys is calculated with formula (9),
In formula, DssFor the complementary demand parameter between heterogeneous power supplys various in T period, βtFor thermoelectricity, water power, photovoltaic,
Wind-powered electricity generation is in the t-1 period to the absolute value of the sum of the output power change rate of t-th of period, t=1,2,3 ... T, when Δ t is
Between step-length, number of segment when T is,
The value of complementary demand parameter between various heterogeneous power supplys is smaller, shows the honourable extreme misery in the time scale investigated
Mutual supporting role between power supply is stronger, i.e., complementary effect is better, otherwise the mutual supporting role between honourable extreme misery power supply
It is weaker,
B, the complementary demand parameter between power supply and load is calculated
B1, the relative change rate that output power of power supply is calculated with formula (10),
In formula,Relative change rate for all power supply gross outputs in the t-1 period to t-th of period,For all electricity
Source gross output is in the t-1 period to the output power change rate of t-th of period, PscFor in-service generator in all power supplys
The installed capacity of group, number of segment when T is, t=1,2,3 ... T, Δ t are time step,
B2, with the relative change rate of formula (11) calculated load,
In formula,For in the relative change rate of the t-1 period to t-th of period system loading, Plmax.TFor in T period most
Big load value,For in the change rate of the t-1 period to t-th of period system loading, t=1,2,3 ... T, Δ t is the time
Step-length, number of segment when T is,
B3, calculated with formula (12) relative change rate of day part between the output power and system loading of all power supplys and it is exhausted
To the set of value,
In formula, SlFor the relative change rate of day part between the output power and system loading of power supplys all in T period and
The set of absolute value, αtBecome in the t-1 period to t-th of the opposite of period between the output power and system loading of power supply
The absolute value of rate sum,The relative change rate of gross output for all power supplys in the t-1 period to t-th of period,Relative change rate for system loading in the t-1 period to t-th of period, t=1,2,3 ... T, Δ t are time step, T
For when number of segment,
B4, the complementary demand parameter between power supply and load is calculated with formula (13),
In formula, DslFor the complementary demand parameter between the power supply and load of multiple-energy-source electric system in T period, αtFor electricity
Between the output power and system loading in source the relative change rate of the t-1 period to t-th period and absolute value, T is
When number of segment, t=1,2,3 ... T, Δ t be time step,
The value of complementary demand parameter between power supply and load is smaller, shows power supply and load in the time scale investigated
Variation tendency is more close；Otherwise, the variation tendency of power supply and load is more different,
Complementarity between power supply, between power supply and load is better, and complementary demand is smaller, i.e., complementary demand parameter value more connects
It is bordering on zero；
3) renewable energy complementary power supply is defined
The renewable energy source current that can satisfy complementary demand after complementation is polymerized to a kind of power supply, is defined as renewable energy
Complementary power supply (Renewable Energy Complementary Power Supply, RECPS), renewable energy complementary electrical
Source is polymerized by whole wind-solar power supplies and required matching water power, and main purpose is to reduce wind-solar power supply and give multiple-energy-source electric power
System bring power swing, the primitive rule of polymerization are the mutual assisting vehicle provided multiple forms of energy to complement each other in multiple-energy-source electric system and coordinate power generation
Under system, meet system complementarity demand, using energy conservation and environmental protection as criterion, renewable energy source current is polymerize, calculates with complementation
Property the minimum target of demand water power capacity ratio, formed renewable energy complementary power supply after, output power can follow load
Fluctuation, in multiple-energy-source electric system, renewable energy complementary power supply sees a kind of power supply as, together with other normal power supplies
Operation is optimized, and when system load value is constant, the output power of renewable energy complementary power supply is also remained unchanged；
4) the hierarchy optimization operation reserve of polyisocyanate mass-energy source current is formulated
The hierarchy optimization operation reserve of polyisocyanate mass-energy source current coordinates the complementation of power generation to provide multiple forms of energy to complement each other in multiple-energy-source electric system
Based on mechanism, preferential receiving wind-powered electricity generation in full and photovoltaic power generation；Make full use of these not true property electricity of adjustable water power reply scene
Water power, wind-powered electricity generation, photovoltaic are aggregated into renewable energy by randomness brought by source and intermittent and anti-tune peak character, the present invention
Complementary power supply, renewable energy complementary power supply output power is relatively stable and can follow load fluctuation, can be improved multiple-energy-source
Electric system gives system stable operation bring to adversely affect the digestion capability of scene, the honourable resource uncertainty of reduction,
The optimization aim of selected multiple-energy-source electric system is that the complementary index of multiple-energy-source electric system is allowed to be optimal simultaneously
The reasonable disposition for realizing power system resource runs plan according to the hierarchy optimization that complementary index formulates polyisocyanate mass-energy source current
Slightly, wherein comprising complementary power supply optimization layer, remaining optimization of hydroelectric generation layer, thermoelectricity optimization layer,
1. complementary power supply optimization layer
Multiple-energy-source electric power system optimization operation in renewable energy complementary power supply is optimized first, using wind-powered electricity generation, photovoltaic,
Water power polymerize to obtain renewable energy complementary power supply, with the minimum target of complementary demand, the output work based on wind-powered electricity generation and photovoltaic
Rate predicted value obtains the aggregate capacity of required matching water power and scene in renewable energy complementary power supply and matches, and then determines each
The output power of wind-powered electricity generation, photovoltaic, required matching water power in period, the main target of renewable energy complementary power supply optimization layer is true
The polymerization ratio of fixed scene water calculates the smallest objective function of complementary demand with formula (14),
In formula, DslFor complementary demand of the multiple-energy-source electric system between the power supply and load in T period,For load
In the relative change rate of the t-1 period to t-th of period,It is renewable energy complementary power supply output power in t-1
Relative change rate of a period to t-th of period, t=1,2,3 ... T, Δ t be time step, number of segment when T is,
2. remaining optimization of hydroelectric generation layer
Net load curve is obtained after the load value of multiple-energy-source electric system is subtracted renewable energy complementary power supply output power,
It under the conditions of guaranteeing that net load is stable, is generated electricity with abandoning the minimum target exploitation residue water power of water, is calculated with formula (15)
Water power abandons the smallest objective function of water,
In formula, Δ Q is abandoning water of the remaining water power within T period, QjmaxFor maximum of j-th of Hydropower Unit within T period
Water consumption is distributed,Water consumption for j-th of Hydropower Unit t-th of period, j=1,2,3 ... Nrhy, NrhyFor remaining hydroelectric machine
Group total quantity, t=1,2,3 ... T, Δ t be time step, number of segment when T is,
3. thermoelectricity optimization layer
Remaining water power output power is subtracted on net load curve and obtains remaining load, in renewable energy complementary power supply and residue
Under water power double action, the fluctuating range of remaining load is smaller, and the output work of fired power generating unit is arranged with the minimum target of coal consumption amount
Rate when the total output power of various heterogeneous power supplys is still greater than load, then needs to give up when the output power of fired power generating unit reaches minimum
Part renewable energy output power of power supply calculates the smallest objective function of thermoelectricity coal consumption amount with formula (16),
In formula, F is fired power generating unit total consumption of coal amount, ui.tFor thermoelectricity startup-shutdown coefficient, the duration that is switched on is 1, and when shutdown is 0, fi.tFor
Coal consumption amount of i-th of fired power generating unit t-th of period, i=1,2,3 ... Nth, NthFor fired power generating unit total quantity, t=1,2,3 ...
T, Δ t be time step, number of segment when T is,
5) constraint condition is determined
The optimization operation of multiple-energy-source electric system needs to meet formula (17)~formula (23) constraint equation,
1. determining power-balance constraint
Power-balance constraint formula (17) expression,
In formula,For whole thermoelectricity output powers of t-th of period,For t-th of period residue water power output power, For t-th of period whole water power output power,For in t-th of period renewable energy complementary power supply
Hydropower Unit gross output,For t-th of period renewable energy complementary power supply output power, Pl tFor multiple-energy-source electric power
The load value of t-th of period of system, t=1,2,3 ... T, Δ t be time step, number of segment when T is,
2. determining the active output power constraint of unit
The active output power constraint of unit is indicated with formula (18),
In formula,For output power value of i-th of fired power generating unit t-th of period in multiple-energy-source electric system, i=1,2,3 ...
Nth, NthFor in multiple-energy-source electric system in the in-service quantity of t-th of period fired power generating unit；It is in multiple-energy-source electric system
Output power value of the j Hydropower Unit t-th of period, j=1,2,3...Nhy, NhyIt is multiple-energy-source electric system at t-th
The in-service quantity of section Hydropower Unit；It is k-th of photovoltaic unit in multiple-energy-source electric system in the output power of t-th of period
Value, k=1,2,3...Npv, NpvFor multiple-energy-source electric system t-th of period photovoltaic unit in-service quantity；For multiple-energy-source
Output power value of g-th of Wind turbines t-th of period in electric system, g=1,2,3...Nw, NwFor multiple-energy-source power train
It unites in the in-service quantity of t-th of period Wind turbines；Pmax.iFor the output power of i-th of fired power generating unit in multiple-energy-source electric system
The upper limit, Pmax.jFor the output power upper limit of j-th of Hydropower Unit in multiple-energy-source electric system, Pmax.kFor multiple-energy-source electric system
In k-th of photovoltaic unit the output power upper limit, Pmax.gOn output power for g-th of Wind turbines in multiple-energy-source electric system
Limit；Pmin.iFor the output power lower limit of i-th of fired power generating unit in multiple-energy-source electric system, Pmin.jFor in multiple-energy-source electric system
The output power lower limit of j-th of Hydropower Unit, t=1,2,3 ... T, Δ t be time step, number of segment when T is,
3. determining the constraint of system spinning reserve capacity
System spinning reserve capacity constraint formula (19) expression,
In formula:Spinning reserve capacity for system t-th of period,For i-th of fired power generating unit t-th of period rotation
Turn spare capacity, i=1,2,3 ... Nth, NthFor in multiple-energy-source electric system in the in-service quantity of t-th of period fired power generating unit；Spinning reserve capacity for j-th of Hydropower Unit t-th of period, j=1,2,3...Nhy, NhyFor multiple-energy-source electric system
In the in-service quantity of t-th of period Hydropower Unit；α is that system loading predicts error to the service demand factor of spinning reserve, and β is wind-powered electricity generation
Output power predicts error to the service demand factor of spinning reserve；γ is that photovoltaic output power predicts demand of the error to spinning reserve
Coefficient,For multiple-energy-source electric system t-th of period load value；For k-th of photovoltaic machine in multiple-energy-source electric system
Output power value of the group t-th of period, k=1,2,3...Npv, NpvIt is multiple-energy-source electric system in t-th of period photovoltaic machine
The in-service quantity of group；For output power value of g-th of Wind turbines t-th of period in multiple-energy-source electric system, g=1,
2,3...Nw, NwIn-service quantity for multiple-energy-source electric system in t-th of period Wind turbines, t=1,2,3 ... T, Δ t are the time
Step-length, number of segment when T is,
4. determining Climing constant, lower Climing constant on unit
Climing constant, lower Climing constant are indicated with formula (20)~(21) on unit,
Pi t+1-Pi t≤ΔPi up (20)
Pi t-Pi t+1≤ΔPi down (21)
In formula, Pi t+1For output power of i-th of unit in the t+1 period, P in multiple-energy-source electric systemi tFor multiple-energy-source electric power
Output power of i-th of unit t-th of period in system, Δ Pi upTo climb most on i-th of unit in multiple-energy-source electric system
Big value, Δ Pi downFor for maximum value of climbing under i-th of unit in multiple-energy-source electric system, i=1,2,3 ... N, N are multiple-energy-source electricity
In-service unit number in Force system, t=1,2,3 ... T, Δ t be time step, number of segment when T is,
5. determining the constraint of water power generated energy
Water power generated energy constraint formula (22) expression,
In formula:For output power value of j-th of Hydropower Unit t-th of period in multiple-energy-source electric system, j=1,2,3 ...
Nhy, NhyIn-service quantity for multiple-energy-source electric system in t-th of period Hydropower Unit, WHFor all water in multiple-energy-source electric system
Total power generation of the motor group within T period, t=1,2,3 ... T, Δ t be time step, number of segment when T is,
6. determining water power traffic constraints
Formula (23) expression of water power traffic constraints,
In formula: QjminThe smallest allocation water consumption for being j-th of Hydropower Unit within T period, QjmaxIt is j-th of Hydropower Unit in T
Maximum allocated water consumption in a period,Water consumption for j-th of Hydropower Unit t-th of period, j=1,2,3 ... Nhy,
NhyIn-service quantity for multiple-energy-source electric system in t-th of period Hydropower Unit, t=1,2,3 ... T, Δ t are time step, and T is
When number of segment,
6) by 1)~5) step, using the mathematical model of constructed complementary index system and complementary demand, in conjunction with more
The constraint of electricity power running most matches the output power of renewable energy complementary power supply with load, remaining water power
Abandoning water is minimum, the smallest objective function of coal consumption amount of thermoelectricity, solved using particle swarm algorithm, finally calculating can
Complementary index is set to be optimal corresponding polyisocyanate mass-energy source current in the output power value of day part.
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN110729721A (en) * | 2019-10-22 | 2020-01-24 | 国网江西省电力有限公司经济技术研究院 | Method for calculating global reserve capacity of power system |
| CN111030091A (en) * | 2019-11-28 | 2020-04-17 | 新奥数能科技有限公司 | Method and system for determining installed electric capacity of distributed renewable energy |
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| CN112234604A (en) * | 2020-09-10 | 2021-01-15 | 西安交通大学 | Multi-energy complementary power supply base optimal configuration method, storage medium and equipment |
| CN112465242A (en) * | 2020-12-03 | 2021-03-09 | 华润电力技术研究院有限公司 | Thermal power plant operation optimization analysis method, device, equipment and storage medium |
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| CN114459523A (en) * | 2021-12-10 | 2022-05-10 | 红云红河烟草(集团)有限责任公司 | Calibration early warning method for online quality detection instrument |
| CN115441512A (en) * | 2022-06-16 | 2022-12-06 | 国网新疆电力有限公司喀什供电公司 | Multi-energy complementary power balance allocation method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014103704A (en) * | 2012-11-16 | 2014-06-05 | Tokyo Gas Co Ltd | Control method, control program and control device |
| CN105048516A (en) * | 2015-08-18 | 2015-11-11 | 四川大学 | Wind-light-water-fire multi-source complementary optimization scheduling method |
| CN106026111A (en) * | 2015-12-25 | 2016-10-12 | 国网甘肃省电力公司电力科学研究院 | New energy penetration rate assessment method based on probability power flow calculation |
| CN108133104A (en) * | 2017-12-21 | 2018-06-08 | 清华大学 | Long-term cross-basin multi-ladder-level hydropower optimization operation simulation method |
| CN109286208A (en) * | 2018-10-09 | 2019-01-29 | 中国电力科学研究院有限公司 | A kind of integrated energy system dispatching method and system |
-
2019
- 2019-03-31 CN CN201910254342.9A patent/CN109936164B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014103704A (en) * | 2012-11-16 | 2014-06-05 | Tokyo Gas Co Ltd | Control method, control program and control device |
| CN105048516A (en) * | 2015-08-18 | 2015-11-11 | 四川大学 | Wind-light-water-fire multi-source complementary optimization scheduling method |
| CN106026111A (en) * | 2015-12-25 | 2016-10-12 | 国网甘肃省电力公司电力科学研究院 | New energy penetration rate assessment method based on probability power flow calculation |
| CN108133104A (en) * | 2017-12-21 | 2018-06-08 | 清华大学 | Long-term cross-basin multi-ladder-level hydropower optimization operation simulation method |
| CN109286208A (en) * | 2018-10-09 | 2019-01-29 | 中国电力科学研究院有限公司 | A kind of integrated energy system dispatching method and system |
Non-Patent Citations (5)
| Title |
|---|
| RASOUL AZIZIPANAH-ABARGHOOEE: "Probabilistic multiobjective wind-thermal economic emission dispatch based on point estimated method", 《ENERGY》 * |
| 刘乔波: "基于异质能源多时间尺度互补的动态经济调度策略", 《电力自动化设备》 * |
| 叶林: "风光水多能互补发电系统日内时间尺度运行特性分析", 《电力系统自动化》 * |
| 肖白: "基于负荷点聚类分区的配电网网架规划方法", 《电力建设》 * |
| 马静: "基于功率多频率尺度分析的风光水气储联合系统日前调度策略", 《电网技术》 * |
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| CN112234604B (en) * | 2020-09-10 | 2023-04-28 | 西安交通大学 | Multi-energy complementary power supply base optimal configuration method, storage medium and equipment |
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| CN113113909A (en) * | 2021-03-26 | 2021-07-13 | 南方电网科学研究院有限责任公司 | Self-adaptive stability control method and device for multi-type power plant station sending-out system |
| CN113113909B (en) * | 2021-03-26 | 2022-06-14 | 南方电网科学研究院有限责任公司 | Self-adaptive stability control method and device for multi-type power plant station sending-out system |
| CN113113931A (en) * | 2021-04-19 | 2021-07-13 | 国网湖南省电力有限公司 | Planning and scheduling method of wind-light-water combined power generation system |
| CN113346487B (en) * | 2021-06-09 | 2022-09-30 | 国网吉林省电力有限公司 | Source-load matching method, system and equipment based on multi-source complementation |
| CN113346487A (en) * | 2021-06-09 | 2021-09-03 | 国网吉林省电力有限公司 | Source-load matching method, system and equipment based on multi-source complementation |
| CN113890116A (en) * | 2021-09-30 | 2022-01-04 | 国网北京市电力公司 | Multi-distribution-station-area interconnection mutual-aid power control method, device and storage medium |
| CN113890116B (en) * | 2021-09-30 | 2024-05-07 | 国网北京市电力公司 | Multi-distribution-area interconnection mutual power control method, device and storage medium |
| CN114459523A (en) * | 2021-12-10 | 2022-05-10 | 红云红河烟草(集团)有限责任公司 | Calibration early warning method for online quality detection instrument |
| CN114459523B (en) * | 2021-12-10 | 2024-04-30 | 红云红河烟草(集团)有限责任公司 | Calibration early warning method of online quality detection instrument |
| CN114221338A (en) * | 2021-12-19 | 2022-03-22 | 东北电力大学 | Multi-energy power system optimal scheduling method considering power supply flexibility and complementarity |
| CN114221338B (en) * | 2021-12-19 | 2023-10-13 | 东北电力大学 | Multi-energy power system optimal scheduling method considering power supply flexibility and complementarity |
| CN115441512A (en) * | 2022-06-16 | 2022-12-06 | 国网新疆电力有限公司喀什供电公司 | Multi-energy complementary power balance allocation method |
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