CN110517164A - The generation schedulecurve of long-term contract decomposes and settlement method and system in consideration - Google Patents
The generation schedulecurve of long-term contract decomposes and settlement method and system in consideration Download PDFInfo
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- CN110517164A CN110517164A CN201910766312.6A CN201910766312A CN110517164A CN 110517164 A CN110517164 A CN 110517164A CN 201910766312 A CN201910766312 A CN 201910766312A CN 110517164 A CN110517164 A CN 110517164A
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
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- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
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- Y04S50/14—Marketing, i.e. market research and analysis, surveying, promotions, advertising, buyer profiling, customer management or rewards
Abstract
The present invention provides a kind of generation schedulecurves of contract long-term in consideration to decompose and settlement method and system, which comprises according to the medium-term and long-term contract information and power plant's operation information of the power plant of acquisition, calculates the execution Contract Energy plan of power plant；Then according to the execution Contract Energy plan, power plant's operation information, preset management and running target and preset constraint condition, computing market, which goes out, settles accounts fruit；It by the execution Contract Energy plan itemizing and medium-term and long-term contract is calculated settles accounts curve again；Power plant's settlement amounts are finally calculated according to the medium-term and long-term contract information, the execution Contract Energy plan, the market clearing result and the medium-term and long-term contract clearing curve.This method can decompose medium-term and long-term contract generation schedule, and be carried out out realizing being connected and excessively, providing support for the starting of power spot market for Medium and long term generation scheduling and power spot market with clearing clearly according to power spot market quote situations.
Description
Technical field
The present invention relates to electricity market technical fields, bent more particularly, to a kind of generation schedule of contract long-term in consideration
Line decomposes and settlement method and system.
Background technique
For the smooth starting for ensureing spot market Pilot project construction, it need to fully consider, demand of coordinating all quarters concerned, respect fully electricity
Power medium and long-term transaction current situation maintains the contract attribute in kind of medium and long-term transaction at spot market initial stage.With medium and long-term transaction
Locking basic yield is avoided risk；With spot exchange discovery price, adjust quantity of electricity deviation, it is ensured that medium and long-term transaction and existing
The orderly linking of barter deal.
To implement State Grid's system reform requirement, the construction stock city adaptable with China's electric system transaction status
, require consideration for how long-term contract and power spot market in realizing be connected and transition, be the starting of power spot market
Support is provided.
Summary of the invention
It is decomposed the embodiment of the invention provides a kind of generation schedulecurve of contract long-term in consideration and settlement method and is
System, to decompose to medium-term and long-term contract generation schedule, and is settled accounts according to power spot market quote situations, thus real
Existing Medium and long term generation scheduling and power spot market be connected and it is excessive, provide support for the starting of power spot market.
In order to solve the above-mentioned technical problem, the embodiment of the invention provides a kind of generation schedules of contract long-term in consideration
Curve separating and settlement method, comprising the following steps:
Obtain the medium-term and long-term contract information and power plant's operation information of power plant；
The execution Contract Energy plan of power plant is calculated according to the medium-term and long-term contract information；
According to the execution Contract Energy plan, power plant's operation information, preset management and running target and preset
Constraint condition, computing market, which goes out, settles accounts fruit；
By the execution Contract Energy plan itemizing and medium-term and long-term contract clearing curve is calculated；
According to the medium-term and long-term contract information, the execution Contract Energy plan, the market clearing result and it is described in
Long-term contract clearing curve calculates power plant's settlement amounts.
Further, the medium-term and long-term contract information includes the annual base power generation of power plant, preferentially generate electricity electricity, year
Direct dealing electricity, annual base power generation electricity price, the electricity price that preferentially generates electricity, annual direct dealing electricity price, it is monthly directly
Transaction electricity and monthly direct dealing electricity price；Power plant's operation information includes system operational parameters, unit operation ginseng
Number, load prediction parameter, new energy power curve and ahead market Bidding information.
Further, the execution Contract Energy plan that power plant is calculated according to the medium-term and long-term contract information, specifically
Are as follows:
According to power supply and demand situation, heat supply period electrical demand, power grid and unit maintenance scheduling and annual contract execute into
Degree, by the annual base power generation, the preferential power generation electricity and the annual direct dealing quantity division to monthly, calculating
Monthly quantity division plan；
The monthly quantity division plan and the monthly direct dealing electricity are summarized, the moon of power plant is calculated
Degree executes Contract Energy plan；
It, will be described monthly according to power supply and demand situation, power grid and unit maintenance scheduling in the moon and monthly contract schedule
Contract Energy plan itemizing is executed to daily, the day that power plant is calculated executes Contract Energy plan；Wherein, the day executes
Contract Energy plan includes annual base power generation ingredient, preferential power generation electricity ingredient, annual direct dealing electricity ingredient, monthly
Direct dealing electricity ingredient.
Further, described to be transported according to the execution Contract Energy plan, power plant's operation information, preset scheduling
Row target and preset constraint condition, computing market go out it is clear as a result, specifically:
It is described negative according to the day execution Contract Energy plan, the system operational parameters, the unit operating parameter
Lotus Prediction Parameters, the new energy power curve, the ahead market Bidding information, preset management and running target and
Preset constraint condition is gone out by the Unit Combination program computing market with security constraint and settles accounts fruit；Wherein, the market goes out
Settling accounts fruit includes generation schedulecurve and market clearing price；The generation schedulecurve include a few days ago generation schedulecurve and
Real-time power curve, the market clearing price include generating price and Real-time markets price a few days ago.
Further, described that contract long-term in the execution Contract Energy plan itemizing and calculating is settled accounts into curve, specifically
Are as follows:
Day execution Contract Energy plan is divided by the execution intention of long-term contract in executes conjunction multiplicative model day
About electricity plan, the execution Contract Energy plan of price difference electric power day and the execution Contract Energy plan of price difference electricity day；
According to the multiplicative model day execute Contract Energy plan, the price difference electric power day execute Contract Energy plan and
The price difference electricity day executes Contract Energy plan, calculates physical power curve, price difference Electrical curve and price difference electricity electricity
Force curve；
According to the physical power curve, the price difference Electrical curve and the price difference electricity electrical force profiles, calculate
Medium-term and long-term electricity contract settles accounts curve.
Further, it is described according to the multiplicative model day execute Contract Energy plan, the price difference electric power day execute conjunction
About electricity plan and the price difference electricity day execute Contract Energy plan, calculate physical power curve, price difference Electrical curve
With price difference electricity electrical force profiles, specifically:
Contract Energy plan will be executed the multiplicative model day and execute Contract Energy plan difference the price difference electric power day
It is decomposed into physical power curve and price difference Electrical curve；
According to the physical power curve, price difference Electrical curve, price difference electricity electricity consumption collection of curves is calculated；
Curve is completed a business transaction according to the price difference electricity electricity consumption collection of curves normalized finance；
Curve, which is completed a business transaction, according to price difference electricity day execution Contract Energy plan and the standardization finance calculates price difference electricity
Measure electrical force profiles.
Further, described to be gone out according to the medium-term and long-term contract information, the execution Contract Energy plan, the market
It settles accounts fruit and the medium-term and long-term contract clearing curve calculates power plant's settlement amounts, specifically:
Electricity is calculated by the first clearing formula according to Contract Energy plan is executed the medium-term and long-term contract information and the day
The first amount received of factory；Wherein, first amount received of power plant is the income that power plant is obtained by medium-term and long-term contract；
The first clearing formula are as follows:
Wherein, λi BS、λi FP、λi LCAnd λi LBRespectively indicate the annual base power generation electricity price, the preferential power generation electricity electricity
Valence, the annual direct dealing electricity price and the monthly direct dealing electricity；WithTable respectively
Show the annual base power generation ingredient, the preferential power generation electricity ingredient, the annual direct dealing electricity ingredient and the moon
Spend direct dealing electricity ingredient；
It is logical according to the execution Contract Energy plan, the market clearing result and the medium-term and long-term contract clearing curve
It crosses the second clearing formula and calculates the second amount received of power plant；Wherein, second amount received of power plant is that power plant passes through city a few days ago
The income that field and Real-time markets obtain；
The second clearing formula are as follows:
Wherein, Pi DA(t)、Pi C(t) and Pi OP(t) generation schedulecurve, the medium-term and long-term contract a few days ago are respectively indicated
Settle accounts curve and the real-time power curve；λi DA(t) and λi OP(t) generating price a few days ago and Real-time markets price are respectively indicated；
At the time of t is indicated in a few days, Δ t indicates the length of each trading session, and T is the set at the day of trade at each moment；
First amount received of power plant is added with second amount received of power plant and calculates power plant's settlement amounts.
Correspondingly, the generation schedulecurve that the embodiment of the present invention also provides long-term contract in a kind of consideration decomposes and clearing
System, comprising:
Data obtaining module, for obtaining the medium-term and long-term contract information and power plant's operation information of power plant；
First data computation module, by being calculated based on the execution Contract Energy of power plant according to the medium-term and long-term contract information
It draws；
Second data computation module is used for according to the execution Contract Energy plan, power plant's operation information, presets
Management and running target and preset constraint condition, computing market goes out to settle accounts fruit；
Curve separating module, for contract long-term in the execution Contract Energy plan itemizing and calculating to be settled accounts curve；
Amount balance module, for according to the medium-term and long-term contract information, the execution Contract Energy plan, the city
Field goes out to settle accounts fruit and the medium-term and long-term contract clearing curve calculates power plant's settlement amounts.
Further, the medium-term and long-term contract information includes the annual base power generation of power plant, preferentially generate electricity electricity, year
Direct dealing electricity, annual base power generation electricity price, the electricity price that preferentially generates electricity, annual direct dealing electricity price, it is monthly directly
Transaction electricity and monthly direct dealing electricity price；Power plant's operation information includes system operational parameters, unit operation ginseng
Number, load prediction parameter, new energy power curve and ahead market Bidding information.
Further, the execution Contract Energy plan that power plant is calculated according to the medium-term and long-term contract information, specifically
Are as follows:
According to power supply and demand situation, heat supply period electrical demand, power grid and unit maintenance scheduling and annual contract execute into
Degree, by the annual base power generation, the preferential power generation electricity and the annual direct dealing quantity division to monthly, calculating
Monthly quantity division plan；
The monthly quantity division plan and the monthly direct dealing electricity are summarized, the moon of power plant is calculated
Degree executes Contract Energy plan；
It, will be described monthly according to power supply and demand situation, power grid and unit maintenance scheduling in the moon and monthly contract schedule
Contract Energy plan itemizing is executed to daily, the day for calculating power plant executes Contract Energy plan；Wherein, the day executes contract
Electricity plan include annual base power generation ingredient, preferential power generation electricity ingredient, annual direct dealing electricity ingredient, it is monthly directly
Transaction electricity ingredient.
Compared with the prior art, the invention has the following beneficial effects:
The generation schedulecurve decomposition and settlement method and system of long-term contract in consideration provided in an embodiment of the present invention,
According to the medium-term and long-term contract information and power plant's operation information of the power plant of acquisition, the execution Contract Energy plan of power plant is calculated；Then
According to the execution Contract Energy plan, power plant's operation information, preset management and running target and preset constraint item
Part, computing market, which goes out, settles accounts fruit；Again by the execution Contract Energy plan itemizing and be calculated medium-term and long-term contract settle accounts it is bent
Line；Finally according to the medium-term and long-term contract information, the execution Contract Energy plan, the market clearing result and it is described in
Long-term contract clearing curve calculates power plant's settlement amounts.
The present invention fully considers medium and long-term transaction material object contract, the spot market declaration data, operation of power networks of Liao Ge power plant
Information etc., the generation schedulecurve for proposing long-term contract in a kind of consideration decomposes and settlement method.This method can centering it is long
Phase contract generation schedule is decomposed, and realize medium-term and long-term with clearing clearly according to power spot market quote situations
Generation schedule and power spot market are connected and excessively, provide support for the starting of power spot market.This method is abundant
China's electricity market reform, the status of development are considered, by ensureing that the physics of medium and long-term transaction contract executes, is realized existing
Barter deal is connected with the orderly of medium and long-term transaction, it is ensured that spot market design, operation have exploitativeness and operability.This
The method and system of invention can be used as a functional module and be embedded into current automation system for the power network dispatching and generation schedule
In workout system, there is very strong practicability.
Detailed description of the invention
The generation schedulecurve of long-term contract decomposes the stream with settlement method in the considerations of Fig. 1 is the embodiment of the present invention one
Journey schematic diagram；
The generation schedulecurve of long-term contract decomposes the knot with settlement system in the considerations of Fig. 2 is the embodiment of the present invention one
Structure schematic diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Whole description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
Referring to Figure 1, the generation schedulecurve that the preferred embodiment of the present invention provides long-term contract in a kind of consideration decomposes
With settlement method, comprising steps of
S1 obtains the medium-term and long-term contract information and power plant's operation information of power plant；
S2 calculates the execution Contract Energy plan of power plant according to the medium-term and long-term contract information；
S3, according to the execution Contract Energy plan, power plant's operation information, preset management and running target and pre-
If constraint condition, computing market goes out to settle accounts fruit；
By the execution Contract Energy plan itemizing and medium-term and long-term contract clearing curve is calculated in S4；
S5, according to the medium-term and long-term contract information, the execution Contract Energy plan, the market clearing result and institute
It states medium-term and long-term contract clearing curve and calculates power plant's settlement amounts.
In embodiments of the present invention, the generation schedulecurve decomposition of long-term contract is abundant with settlement method in the consideration
The medium and long-term transaction material object contract, spot market declaration data, operation of power networks information etc. for considering each power plant, propose one kind
The generation schedulecurve decomposition of long-term contract and settlement method in consideration.This method can to medium-term and long-term contract generation schedule into
Row decomposes, and realize Medium and long term generation scheduling with clearing clearly and electric power is existing according to power spot market quote situations
The linking in goods market provides support with excessively for the starting of power spot market.Meanwhile this method has fully considered thermoelectricity
Physical features and the technical parameters such as information, operation of power networks information are declared by all kinds of medium-term and long-term Contract Energies of factory and thermal power plant.
Required basic data specifically includes that all kinds of medium-term and long-term Contract Energies of power plant and price, system, unit parameter, secondary daily load,
The data such as new energy power curve, ahead market Bidding information.
This method has fully considered China's electricity market reform, the status of development, by ensureing medium and long-term transaction contract
Physics execute, realize that spot exchange is connected with the orderly of medium and long-term transaction, it is ensured that spot market design, have can be real for operation
The property applied and operability.Method and system of the invention can be used as a functional module and be embedded into current dispatching of power netwoks certainly
In dynamicization system and generation schedule workout system, there is very strong practicability.
In embodiments of the present invention, it is to be understood that the medium-term and long-term contract information includes the annual radix electricity of power plant
Amount, annual direct dealing electricity, annual base power generation electricity price, preferentially generates electricity electricity price, year directly at the electricity that preferentially generates electricity
Transaction electricity price, monthly direct dealing electricity and monthly direct dealing electricity price；Power plant's operation information includes system
Operating parameter, unit operating parameter, load prediction parameter, new energy power curve and ahead market Bidding information.Its
In, annual base power generation, preferential power generation electricity are distributed by government department according to the principle of " three public scheduling ", " new energy is preferential "
To each power plant, price is stake electrovalence.Annual direct dealing electricity includes annual bilateral transaction and annual trade at competitive price, by electricity
Factory and user sign bilateral agreements and determine transaction electricity and price.
In embodiments of the present invention, in order to preferably for example, the annual base power generation of note power plant i is Yi BS, it is preferential
Power generation electricity is Yi FP, annual direct dealing electricity Yi LC, unit is hundred million kilowatt hours.Remember that annual base power generation electricity price is λi BS, excellent
First power generation electricity price is λi FP, annual direct dealing electricity price λi LC, unit is member/kilowatt hour.
In embodiments of the present invention, the execution contract of power plant the step S2: is calculated according to the medium-term and long-term contract information
Electricity plan, specifically:
According to power supply and demand situation, heat supply period electrical demand, power grid and unit maintenance scheduling and annual contract execute into
Degree, by the annual base power generation, the preferential power generation electricity and the annual direct dealing quantity division to monthly, calculating
Monthly quantity division plan；
It is understood that in this sub-step, comprehensively consider each moon power supply and demand situation, heat supply period electrical demand,
On the basis of the factors such as power grid and unit maintenance scheduling, annual contract implementation progress, by power dispatching station Consulting Trade System machine
Structure by annual base power generation, preferentially generates electricity electricity, annual direct dealing quantity division to monthly, forms monthly quantity division meter
It draws.Note decomposes the annual base power generation of the m month, the electricity that preferentially generates electricity, annual direct dealing electricityHave:
The monthly direct dealing electricity and its dutiable value can be read in long-term contract in；Wherein, remember power plant i m
The moon, monthly direct dealing electricity wasUnit is hundred million kilowatt hours；It is λ to dutiable valuei LB, unit is member/kilowatt hour.It is monthly straight
Connect the 0-3 kind among transaction electricity may include monthly bilateral transaction, monthly ahead bidding is traded, assignment of contract is traded.If power plant
The i m month does not carry out monthly direct dealing, then enablesλi LB=0.If carrying out more monthly direct friendships the power plant i m month
Easily, then monthly direct dealing electricity is the sum of each transaction electricity, is weighted average electricity price to dutiable value.
The monthly quantity division plan and the monthly direct dealing electricity are summarized, the moon of power plant is calculated
Degree executes Contract Energy plan.
It is understood that in this sub-step, power dispatching station is by all kinds of monthly quantity division plans and monthly straight
Connect the monthly execution Contract Energy plan that transaction electricity is aggregated to form each power plant.Remember the power plant i m month monthly execution Contract Energy
Plan isHave:
It, will be described monthly according to power supply and demand situation, power grid and unit maintenance scheduling in the moon and monthly contract schedule
Contract Energy plan itemizing is executed to daily, the day that power plant is calculated executes Contract Energy plan；Wherein, the day executes
Contract Energy plan includes annual base power generation ingredient, preferential power generation electricity ingredient, annual direct dealing electricity ingredient, monthly
Direct dealing electricity ingredient.
It is understood that power dispatching station comprehensively considers power supply and demand situation, power grid in the moon in this sub-step
With the factors such as unit maintenance scheduling, monthly contract schedule, the monthly execution Contract Energy plan of each power plant is rolled and is decomposed
To daily, the day for forming each power plant executes Contract Energy plan.Remember that the day of the d days m months of power plant i executes Contract Energy plan
ForHave:
Wherein NDmIndicate m month number of days.
It should be noted that day executes Contract Energy planIn, annual base power generation ingredientPreferential power generation electricity
Measure ingredientAnnual direct dealing electricity ingredientMonthly direct dealing electricity ingredientRespectively according to following various
It is calculated:
Above-mentioned decomposition need to be completed before spot exchange a few days ago is reopened after a cessation of business.
In embodiments of the present invention, it should be noted that power plant's operation information includes reading system, unit parameter,
Secondary daily load, new energy power curve and ahead market Bidding information.Wherein, system parameter include topological structure of electric,
Node etc. where line transmission power allowances, all kinds of units；Each generator 's parameter of power plant include maximum output, minimum load,
It is obstructed power output, creep speed etc.；Load parameter includes each 96 point load of node prediction；New energy power curve includes new energy
Generated output prediction data；Ahead market conventional power unit quotation information, power plant's quote data are incremental generated energy valence curve,
It is usually no more than three sections.Generated energy valence curve is made of the energy cost declared with corresponding power generation capacity section.
In embodiments of the present invention, step S3: according to the execution Contract Energy plan, power plant's operation information, pre-
If management and running target and preset constraint condition, computing market go out it is clear as a result, specifically:
It is described negative according to the day execution Contract Energy plan, the system operational parameters, the unit operating parameter
Lotus Prediction Parameters, the new energy power curve, the ahead market Bidding information, preset management and running target and
Preset constraint condition is gone out by the Unit Combination program computing market with security constraint and settles accounts fruit；Wherein, the market goes out
Settling accounts fruit includes generation schedulecurve and market clearing price；The generation schedulecurve include a few days ago generation schedulecurve and
Real-time power curve, the market clearing price include generating price and Real-time markets price a few days ago.
In embodiments of the present invention, it is to be understood that calculating ahead market goes out clear as a result, obtaining ahead market first
Power curve and cleaing price, specifically: power dispatching station by next day system loading prediction curve, interconnection send outside plan,
The quotation adjusted of each power plant subregion, each power plant day execute electricity plan, unit operating parameter, route operating parameter etc. and make
To input information, to minimize the whole network cost of electricity-generating as target, consider the operations of power networks such as stand-by requirement, section limit constraint with
The units operation constraint such as minimax power output, climbing limitation, starts the Unit Combination program (Security- with security constraint
Constrained Unit Commitment, SCUC) market clearing calculating is carried out, form unit commitment a few days ago and each unit
Generation schedulecurve P a few days agoi DA(t), each power plant's price λ a few days agoi DA(t), at the time of wherein t is in a few days.
Then, Real-time markets are calculated and go out clear as a result, obtaining practical power curve and Real-time markets cleaing price specifically:
In Real-time markets operation, according to management and running target and relevant constraint, constructs Real-time markets and go out clear model, obtain in real time
Power curve Pi OP(t) and Real-time markets price λi OP(t), at the time of wherein t is in a few days.
In embodiments of the present invention, step S4: by contract knot long-term in the execution Contract Energy plan itemizing and calculating
Curve is calculated, specifically:
Day execution Contract Energy plan is divided by the execution intention of long-term contract in executes conjunction multiplicative model day
About electricity plan, the execution Contract Energy plan of price difference electric power day and the execution Contract Energy plan of price difference electricity day；
Contract Energy plan will be executed the multiplicative model day and execute Contract Energy plan difference the price difference electric power day
It is decomposed into physical power curve and price difference Electrical curve；
According to the physical power curve, price difference Electrical curve, price difference electricity electricity consumption collection of curves is calculated；
Curve is completed a business transaction according to the price difference electricity electricity consumption collection of curves normalized finance；
Curve, which is completed a business transaction, according to price difference electricity day execution Contract Energy plan and the standardization finance calculates price difference electricity
Measure electrical force profiles.
According to the physical power curve, the price difference Electrical curve and the price difference electricity electrical force profiles, calculate
Medium-term and long-term electricity contract settles accounts curve.
In embodiments of the present invention, it is to be understood that include following (4.1)-(4.5) sub-step in step s 4.
It should be noted that considering to study the trading situation on the d days m month, this step and subsequent step easy for statement
Related physical quantity symbol omits subscript m and d.
(4.1) long-term contract executes intention in determining.Medium-term and long-term day executes Contract Energy planIncluding " physics " mode
It executes" price difference " mode executesWhat " physics " mode of selection executed, the electricity that contract is signed needs all to execute,
And it voluntarily decomposes and obtains physical power curve Pi PC(t)；What " price difference " mode of selection executed, the electricity that contract is signed does not guarantee reality
Border executes, but has financial settlement meaning, and can be divided into " price difference electric power contract " (price difference electric power day execution Contract Energy meter
It draws)" price difference electricity contract " (price difference electricity day executes Contract Energy plan)I.e. to power plant i, have:
" price difference electric power contract " is voluntarily decomposed by main market players obtains electrical force profiles Pi DCD(t) it and declares, " price difference electricity
Contract " decomposes electrical force profiles according to subsequent step.To physics contract and price difference electric power contract, have:
Wherein Δ t is the length (such as 15 minutes) of each trading session, and T is the set at the day of trade at each moment.
(4.2) curve having determined in long-term contract from deducting in system loading is selected " price difference electricity conjunction
The set P of main market players's electricity consumption curve about "ST(t).Wherein, the curve having determined for needing to deduct includes " physics " mode
Curve, " price difference electric power contract " execution pattern curve, other power supplys (including new energy, local power factory etc.) are executed actually to contribute
Curve etc..
(4.3) the standardization finance that price difference electricity contract obtains is calculated according to the following formula complete a business transaction curve
Wherein Δ t is the length (such as 15 minutes) of each trading session, and T is the set at the day of trade at each moment.
(4.4) curve is completed a business transaction for price difference electricity contract energy decomposition to curve using standardization finance according to the following formula, is denoted as Pi NCD
(t):
(4.5) the medium-term and long-term electricity contract clearing curve for remembering power plant i is Pi C(t), it is calculated according to the following formula:
Pi C(t)=Pi PC(t)+Pi DCD(t)+Pi NCD(t)
In embodiments of the present invention, step S5: according to the medium-term and long-term contract information, the execution Contract Energy plan,
The market clearing result and the medium-term and long-term contract clearing curve calculate power plant's settlement amounts, specifically:
Electricity is calculated by the first clearing formula according to Contract Energy plan is executed the medium-term and long-term contract information and the day
The first amount received of factory；Wherein, first amount received of power plant is the income that power plant is obtained by medium-term and long-term contract；
The first clearing formula are as follows:
It is logical according to the execution Contract Energy plan, the market clearing result and the medium-term and long-term contract clearing curve
It crosses the second clearing formula and calculates the second amount received of power plant；Wherein, second amount received of power plant is that power plant passes through city a few days ago
The income that field and Real-time markets obtain；
The second clearing formula are as follows:
First amount received of power plant is added with second amount received of power plant and calculates power plant's settlement amounts:
In embodiments of the present invention, it should be noted that the d days m month,Pass through medium-term and long-term contract for power plant i
The income of acquisition,For the income that power plant i is obtained by ahead market and Real-time markets, then the total income that power plant i is obtained is
Gi。
Compared with the prior art, the invention has the following beneficial effects:
The present invention fully considers medium and long-term transaction material object contract, the spot market declaration data, operation of power networks of Liao Ge power plant
Information etc., the generation schedulecurve for proposing long-term contract in a kind of consideration decomposes and settlement method.This method can centering it is long
Phase contract generation schedule is decomposed, and realize medium-term and long-term with clearing clearly according to power spot market quote situations
Generation schedule and power spot market are connected and excessively, provide support for the starting of power spot market.This method is abundant
China's electricity market reform, the status of development are considered, by ensureing that the physics of medium and long-term transaction contract executes, is realized existing
Barter deal is connected with the orderly of medium and long-term transaction, it is ensured that spot market design, operation have exploitativeness and operability.This
The method and system of invention can be used as a functional module and be embedded into current automation system for the power network dispatching and generation schedule
In workout system, there is very strong practicability.
Correspondingly, Fig. 2 is referred to, the present invention also provides a kind of decomposition of the generation schedulecurve of contract long-term in consideration
With settlement system, comprising:
Data obtaining module 1, for obtaining the medium-term and long-term contract information and power plant's operation information of power plant；
First data computation module 2, by being calculated based on the execution Contract Energy of power plant according to the medium-term and long-term contract information
It draws；
Second data computation module 3 is used for according to the execution Contract Energy plan, power plant's operation information, presets
Management and running target and preset constraint condition, computing market goes out to settle accounts fruit；
Curve separating module 4, for contract clearing long-term in the execution Contract Energy plan itemizing and calculating are bent
Line；
Amount balance module 5, for according to the medium-term and long-term contract information, the execution Contract Energy plan, the city
Field goes out to settle accounts fruit and the medium-term and long-term contract clearing curve calculates power plant's settlement amounts.
In embodiments of the present invention, the medium-term and long-term contract information includes the annual base power generation of power plant, preferential power generation electricity
Amount, annual direct dealing electricity, annual base power generation electricity price, the electricity price that preferentially generates electricity, annual direct dealing electricity price,
Monthly direct dealing electricity and monthly direct dealing electricity price；Power plant's operation information includes system operational parameters, unit
Operating parameter, load prediction parameter, new energy power curve and ahead market Bidding information.
In embodiments of the present invention, the execution Contract Energy meter that power plant is calculated according to the medium-term and long-term contract information
It draws, specifically:
According to power supply and demand situation, heat supply period electrical demand, power grid and unit maintenance scheduling and annual contract execute into
Degree, by the annual base power generation, the preferential power generation electricity and the annual direct dealing quantity division to monthly, calculating
Monthly quantity division plan；
The monthly quantity division plan and the monthly direct dealing electricity are summarized, the moon of power plant is calculated
Degree executes Contract Energy plan；
It, will be described monthly according to power supply and demand situation, power grid and unit maintenance scheduling in the moon and monthly contract schedule
Contract Energy plan itemizing is executed to daily, the day for calculating power plant executes Contract Energy plan；Wherein, the day executes contract
Electricity plan include annual base power generation ingredient, preferential power generation electricity ingredient, annual direct dealing electricity ingredient, it is monthly directly
Transaction electricity ingredient.
In embodiments of the present invention, further, described to be run according to the execution Contract Energy plan, the power plant
Information, preset management and running target and preset constraint condition, computing market go out it is clear as a result, specifically:
It is described negative according to the day execution Contract Energy plan, the system operational parameters, the unit operating parameter
Lotus Prediction Parameters, the new energy power curve, the ahead market Bidding information, preset management and running target and
Preset constraint condition is gone out by the Unit Combination program computing market with security constraint and settles accounts fruit；Wherein, the market goes out
Settling accounts fruit includes generation schedulecurve and market clearing price；The generation schedulecurve include a few days ago generation schedulecurve and
Real-time power curve, the market clearing price include generating price and Real-time markets price a few days ago.
In embodiments of the present invention, further, described will the execution Contract Energy plan itemizing and long-term in calculating
Contract settles accounts curve, specifically:
Day execution Contract Energy plan is divided by the execution intention of long-term contract in executes conjunction multiplicative model day
About electricity plan, the execution Contract Energy plan of price difference electric power day and the execution Contract Energy plan of price difference electricity day；
According to the multiplicative model day execute Contract Energy plan, the price difference electric power day execute Contract Energy plan and
The price difference electricity day executes Contract Energy plan, calculates physical power curve, price difference Electrical curve and price difference electricity electricity
Force curve；
According to the physical power curve, the price difference Electrical curve and the price difference electricity electrical force profiles, calculate
Medium-term and long-term electricity contract settles accounts curve.
In embodiments of the present invention, further, described that Contract Energy plan, institute are executed according to the multiplicative model day
It states and executes Contract Energy plan price difference electric power day and execute Contract Energy plan the price difference electricity day, calculating physical power is bent
Line, price difference Electrical curve and price difference electricity electrical force profiles, specifically:
Contract Energy plan will be executed the multiplicative model day and execute Contract Energy plan difference the price difference electric power day
It is decomposed into physical power curve and price difference Electrical curve；
According to the physical power curve, price difference Electrical curve, price difference electricity electricity consumption collection of curves is calculated；
Curve is completed a business transaction according to the price difference electricity electricity consumption collection of curves normalized finance；
Curve, which is completed a business transaction, according to price difference electricity day execution Contract Energy plan and the standardization finance calculates price difference electricity
Measure electrical force profiles.
In embodiments of the present invention, further, described according to the medium-term and long-term contract information, execution contract electricity
Meter is drawn, the market clearing result and the medium-term and long-term contract clearing curve calculate power plant's settlement amounts, specifically:
Electricity is calculated by the first clearing formula according to Contract Energy plan is executed the medium-term and long-term contract information and the day
The first amount received of factory；Wherein, first amount received of power plant is the income that power plant is obtained by medium-term and long-term contract；
The first clearing formula are as follows:
Wherein, λi BS、λi FP、λi LCAnd λi LBRespectively indicate the annual base power generation electricity price, the preferential power generation electricity electricity
Valence, the annual direct dealing electricity price and the monthly direct dealing electricity；WithTable respectively
Show the annual base power generation ingredient, the preferential power generation electricity ingredient, the annual direct dealing electricity ingredient and the moon
Spend direct dealing electricity ingredient；
It is logical according to the execution Contract Energy plan, the market clearing result and the medium-term and long-term contract clearing curve
It crosses the second clearing formula and calculates the second amount received of power plant；Wherein, second amount received of power plant is that power plant passes through city a few days ago
The income that field and Real-time markets obtain；
The second clearing formula are as follows:
Wherein, Pi DA(t)、Pi C(t) and Pi OP(t) generation schedulecurve, the medium-term and long-term contract a few days ago are respectively indicated
Settle accounts curve and the real-time power curve；λi DA(t) and λi OP(t) generating price a few days ago and Real-time markets price are respectively indicated；
At the time of t is indicated in a few days, Δ t indicates the length of each trading session, and T is the set at the day of trade at each moment；
First amount received of power plant is added with second amount received of power plant and calculates power plant's settlement amounts.
It should be noted that the generation schedulecurve of long-term contract decomposes in a kind of consideration provided in an embodiment of the present invention
It is decomposed and settlement method, working principle and is had using the generation schedulecurve of contract long-term in above-mentioned consideration with settlement system
Beneficial effect corresponds, thus repeats no more.
To sum up, compared with the prior art, the beneficial effects of the invention are that, it is long-term in consideration provided in an embodiment of the present invention
The generation schedulecurve of contract decomposes and settlement method and system, according to the medium-term and long-term contract information of the power plant of acquisition and power plant
Operation information calculates the execution Contract Energy plan of power plant；Then it is transported according to the execution Contract Energy plan, the power plant
Row information, preset management and running target and preset constraint condition, computing market, which goes out, settles accounts fruit；Again by the execution contract
Simultaneously medium-term and long-term contract clearing curve is calculated in electricity plan itemizing；Finally according to the medium-term and long-term contract information, the execution
Contract Energy plan, the market clearing result and the medium-term and long-term contract clearing curve calculate power plant's settlement amounts.
The present invention fully considers medium and long-term transaction material object contract, the spot market declaration data, operation of power networks of Liao Ge power plant
Information etc., the generation schedulecurve for proposing long-term contract in a kind of consideration decomposes and settlement method.This method can centering it is long
Phase contract generation schedule is decomposed, and realize medium-term and long-term with clearing clearly according to power spot market quote situations
Generation schedule and power spot market are connected and excessively, provide support for the starting of power spot market.This method is abundant
China's electricity market reform, the status of development are considered, by ensureing that the physics of medium and long-term transaction contract executes, is realized existing
Barter deal is connected with the orderly of medium and long-term transaction, it is ensured that spot market design, operation have exploitativeness and operability.This
The method and system of invention can be used as a functional module and be embedded into current automation system for the power network dispatching and generation schedule
In workout system, there is very strong practicability.
It is emphasized that the medium and long-term transaction type being related in this method implementation steps is examined clearly out with ahead market
Worry factor can be adjusted flexibly according to practical power systems transaction operating condition.The above implementation steps are only to illustrate rather than limit
Technical solution of the present invention.Any modification or partial replacement of spirit and scope of the invention is not departed from, should all be covered in the present invention
Scope of the claims in.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also regard
For protection scope of the present invention.
Claims (10)
1. the generation schedulecurve decomposition of long-term contract and settlement method in a kind of consideration, which comprises the following steps:
Obtain the medium-term and long-term contract information and power plant's operation information of power plant；
The execution Contract Energy plan of power plant is calculated according to the medium-term and long-term contract information；
According to the execution Contract Energy plan, power plant's operation information, preset management and running target and preset constraint
Condition, computing market, which goes out, settles accounts fruit；
By the execution Contract Energy plan itemizing and medium-term and long-term contract clearing curve is calculated；
According to the medium-term and long-term contract information, the execution Contract Energy plan, the market clearing result and described medium-term and long-term
Contract settles accounts curve and calculates power plant's settlement amounts.
2. the generation schedulecurve decomposition of long-term contract and settlement method in consideration as described in claim 1, which is characterized in that
The medium-term and long-term contract information includes the annual base power generation of power plant, the electricity that preferentially generates electricity, annual direct dealing electricity, annual base
Number electricity price, the electricity price that preferentially generates electricity, annual direct dealing electricity price, monthly direct dealing electricity and monthly direct friendship
Easy electricity price；Power plant's operation information includes system operational parameters, unit operating parameter, load prediction parameter, new energy
Power curve and ahead market Bidding information.
3. the generation schedulecurve decomposition of long-term contract and settlement method in consideration as claimed in claim 2, which is characterized in that
The execution Contract Energy plan that power plant is calculated according to the medium-term and long-term contract information, specifically:
It, will according to power supply and demand situation, heat supply period electrical demand, power grid and unit maintenance scheduling and annual contract implementation progress
The year base power generation, the preferential power generation electricity and the year direct dealing quantity division calculate monthly electricity to monthly
Measure resolution plan；
The monthly quantity division plan and the monthly direct dealing electricity are summarized, the monthly execution of power plant is calculated
Contract Energy plan；
According to power supply and demand situation, power grid and unit maintenance scheduling in the moon and monthly contract schedule, by the monthly execution
For Contract Energy plan itemizing to daily, the day that power plant is calculated executes Contract Energy plan；Wherein, contract electricity is executed the day
It includes annual base power generation ingredient, preferential power generation electricity ingredient, annual direct dealing electricity ingredient, monthly direct dealing that meter, which is drawn,
Electricity ingredient.
4. the generation schedulecurve decomposition of long-term contract and settlement method in consideration as claimed in claim 3, which is characterized in that
It is described according to the execution Contract Energy plan, power plant's operation information, preset management and running target and preset constraint
Condition, computing market go out it is clear as a result, specifically:
Contract Energy plan, the system operational parameters, the unit operating parameter, the load prediction are executed according to the day
Parameter, the new energy power curve, the ahead market Bidding information, preset management and running target and it is preset about
Beam condition is gone out by the Unit Combination program computing market with security constraint and settles accounts fruit；Wherein, the market clearing result includes
Generation schedulecurve and market clearing price；The generation schedulecurve includes generation schedulecurve and in real time power output song a few days ago
Line, the market clearing price include generating price and Real-time markets price a few days ago.
5. the generation schedulecurve decomposition of long-term contract and settlement method in consideration as claimed in claim 4, which is characterized in that
It is described that contract long-term in the execution Contract Energy plan itemizing and calculating is settled accounts into curve, specifically:
Day execution Contract Energy plan is divided by the execution intention of long-term contract in executes contract electricity multiplicative model day
Meter is drawn, price difference electric power day executes Contract Energy plan and price difference electricity day executes Contract Energy plan；
According to multiplicative model day execution Contract Energy plan, the price difference electric power day execute Contract Energy plan and the difference
Valence electricity day executes Contract Energy plan, calculates physical power curve, price difference Electrical curve and price difference electricity electrical force profiles；
It is long in calculating according to the physical power curve, the price difference Electrical curve and the price difference electricity electrical force profiles
Phase electricity contract settles accounts curve.
6. the generation schedulecurve decomposition of long-term contract and settlement method in consideration as claimed in claim 5, which is characterized in that
It is described according to execute Contract Energy plan the multiplicative model day, the price difference electric power day executes Contract Energy plan and the difference
Valence electricity day executes Contract Energy plan, calculates physical power curve, price difference Electrical curve and price difference electricity electrical force profiles,
Specifically:
Contract Energy plan will be executed the multiplicative model day and execute Contract Energy plan the price difference electric power day and decomposed respectively
For physical power curve and price difference Electrical curve；
According to the physical power curve, price difference Electrical curve, price difference electricity electricity consumption collection of curves is calculated；
Curve is completed a business transaction according to the price difference electricity electricity consumption collection of curves normalized finance；
Curve, which is completed a business transaction, according to price difference electricity day execution Contract Energy plan and the standardization finance calculates price difference electricity electricity
Force curve.
7. the generation schedulecurve decomposition of long-term contract and settlement method in consideration as claimed in claim 6, which is characterized in that
It is described according to the medium-term and long-term contract information, the execution Contract Energy plan, the market clearing result and described medium-term and long-term
Contract settles accounts curve and calculates power plant's settlement amounts, specifically:
Power plant the is calculated by the first clearing formula according to Contract Energy plan is executed the medium-term and long-term contract information and the day
One amount received；Wherein, first amount received of power plant is the income that power plant is obtained by medium-term and long-term contract；
The first clearing formula are as follows:
Wherein,WithRespectively indicate the annual base power generation electricity price, the preferential power generation electricity electricity
Valence, the annual direct dealing electricity price and the monthly direct dealing electricity；WithTable respectively
Show the annual base power generation ingredient, the preferential power generation electricity ingredient, the annual direct dealing electricity ingredient and the moon
Spend direct dealing electricity ingredient；
Curve negotiating second is settled accounts according to the execution Contract Energy plan, the market clearing result and the medium-term and long-term contract
It settles accounts formula and calculates the second amount received of power plant；Wherein, second amount received of power plant is that power plant passes through ahead market and reality
When market obtain income；
The second clearing formula are as follows:
Wherein, Pi DA(t)、Pi C(t) and Pi OP(t) generation schedulecurve a few days ago, the medium-term and long-term contract clearing are respectively indicated
Curve and the real-time power curve；WithRespectively indicate generating price a few days ago and Real-time markets price；T is indicated
At the time of in a few days, Δ t indicates the length of each trading session, and T is the set at the day of trade at each moment；
First amount received of power plant is added with second amount received of power plant and calculates power plant's settlement amounts.
8. the generation schedulecurve decomposition and settlement system of long-term contract in a kind of consideration characterized by comprising
Data obtaining module, for obtaining the medium-term and long-term contract information and power plant's operation information of power plant；
First data computation module, for calculating the execution Contract Energy plan of power plant according to the medium-term and long-term contract information；
Second data computation module, for according to the execution Contract Energy plan, power plant's operation information, preset scheduling
Operational objective and preset constraint condition, computing market, which goes out, settles accounts fruit；
Curve separating module, for contract long-term in the execution Contract Energy plan itemizing and calculating to be settled accounts curve；
Amount balance module, for according to the medium-term and long-term contract information, the execution Contract Energy plan, the market clearing
As a result power plant's settlement amounts are calculated with the medium-term and long-term contract clearing curve.
9. the generation schedulecurve decomposition and settlement system of long-term contract in consideration as claimed in claim 8, which is characterized in that
The medium-term and long-term contract information includes the annual base power generation of power plant, the electricity that preferentially generates electricity, annual direct dealing electricity, annual base
Number electricity price, the electricity price that preferentially generates electricity, annual direct dealing electricity price, monthly direct dealing electricity and monthly direct friendship
Easy electricity price；Power plant's operation information includes system operational parameters, unit operating parameter, load prediction parameter, new energy
Power curve and ahead market Bidding information.
10. the generation schedulecurve of long-term contract decomposes in consideration as claimed in claim 8 and settlement system, feature exist
In, the execution Contract Energy plan that power plant is calculated according to the medium-term and long-term contract information, specifically:
It, will according to power supply and demand situation, heat supply period electrical demand, power grid and unit maintenance scheduling and annual contract implementation progress
The year base power generation, the preferential power generation electricity and the year direct dealing quantity division calculate monthly electricity to monthly
Measure resolution plan；
The monthly quantity division plan and the monthly direct dealing electricity are summarized, the monthly execution of power plant is calculated
Contract Energy plan；
According to power supply and demand situation, power grid and unit maintenance scheduling in the moon and monthly contract schedule, by the monthly execution
For Contract Energy plan itemizing to daily, the day for calculating power plant executes Contract Energy plan；Wherein, the day executes Contract Energy meter
Draw includes annual base power generation ingredient, preferential power generation electricity ingredient, annual direct dealing electricity ingredient, monthly direct dealing electricity
Ingredient.
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| CN111126690A (en) * | 2019-12-20 | 2020-05-08 | 国网福建省电力有限公司 | Power difference contract curve decomposition method under plan-centralized market double-track system |
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| CN112686537A (en) * | 2020-12-29 | 2021-04-20 | 国网重庆市电力公司 | Method, system and equipment for determining unit combination in transition period operation day |
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