CN106570744A - Electric power transaction settlement method considering deviation electric quantity hierarchical processing and transaction component ranking - Google Patents
Electric power transaction settlement method considering deviation electric quantity hierarchical processing and transaction component ranking Download PDFInfo
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Abstract
The invention provides an electric power transaction settlement method considering deviation electric quantity hierarchical processing and transaction component ranking, and belongs to the electric power transaction settlement technical field; the method comprises the following steps: segmenting each component electric quantity on a contact line according to planning electric quantity of 96 point/day; firstly deducting directly measurable component electric quantity, sharing deviation electric quantity of indirect measurable component electric quantity; deducting the deviation electric quantity shared by the frequency modulation party in sharing; for the deviation electric quantity shared by resting component electric quantity, using a deviation electric quantity processing method based on transaction component ranking to respectively rank component electric quantity transaction types and transaction periods; intersecting two ranked sequences to form a deviation electric quantity component sharing order, and sharing the deviation electric quantity according to a priority sequence from low to high; finally, using the deviation electric quantity level to price the deviation electric quantity, thus finishing each day electric power transaction settlement. The method can effectively solve the deviation electric quantity ownership problem, thus improving electric power market operation efficiency.
Description
Technical field
The present invention relates to the technical field of electricity market, electricity transaction clearing, specifically a kind of to consider deviation electricity
The electricity transaction clearing method of layered shaping and transaction constituent order.
Background technology
Electricity market reform work further will be deepened, and settlement of transactions works as the important of Electricity Market Operation system
Ingredient, directly affects market operation result, and scientific and reasonable settlement of transactions mechanism will provide economic guarantee for this.Deviation
The process of electricity is one of key issue of electricity settlement work, and its result directly affects the economy profit of electricity transaction both sides
Benefit, so as to affect the execution of the operational efficiency of electricity market, order and Optimized Operation.In general, deviation electricity may be defined as
Interconnection critical point actual metered electricity and the difference for planning electricity, in actual clearing, this electricity ownership can be to electricity transaction
The economic interests of participant produce considerable influence.
Program proportional according to each composition shares the method for deviation electricity, the preferably balanced profit of composition electricity participant
Benefit, and settlement process is simple, shares under mechanism using relatively broad in existing deviation.However, transprovincially being got in touch with by transregional
The composition electricity wide variety of line, trade contract also have all kinds, using unified deviation electricity processing method not science
Rationally.Technically, existing deviation electricity methodology does not embody the physical home of deviation electricity well；The opposing party
Economically, existing method is also in the distribution of economic interests and the maintenance of power market order between transaction participant in face
Cannot play one's part to the full.
According to the analysis to deviation electricity producing cause and each composition electricity feature, it is believed that should in settlement process,
Layered shaping is carried out to deviation electricity, the deviation electricity that clearly can be measured using priority treatment on the whole, and based on contract class
Type completes the principle that deviation electricity is shared.So as to the key issue deviation electricity realization to settling accounts in settlement process is more reasonable
Effectively share, preferably embody the physical home of deviation electricity, ensure contract execution, regulate market order.
A kind of deviation electricity of Chinese invention patent (application number 201410653199.8) individually weights the electricity of area transprovincially of price
Can transaction settlement method, calculate the plan electricity of each power transmission side and each power purchase side respectively, online appraised and decided according to each transaction
Electricity price and landing electricity price and plan electricity volume and landing electricity Settlement Plan electricity charge calculating deviation electricity and electricity price, each transaction master
The deviation electricity of body is equal to the deviation of actual online (landing) electricity and plan electricity, electricity price root of the deviation electricity price by each transaction
Obtain according to plan electricity weighted average.The processing method of the deviation electricity is fixed a price to deviation electricity, does not account for deviation electricity
The source of amount and the difference of producing cause, the method fixed a price by unification do not possess general applicability.
The content of the invention
The purpose of the present invention is the weak point to overcome prior art, it is proposed that consider deviation electricity layered shaping and friendship
Easily the electricity transaction of constituent order settles accounts method.The inventive method more efficiently solves the attaching problem of deviation electricity, will not
Same type contract, the deviation electricity of different producing causes carry out more rational division；The transaction of transregional electricity transprovincially is carried out
Specification, simultaneously effective improves the execution degree of plan, improves electricity market operational efficiency.
A kind of electricity transaction clearing method for considering deviation electricity layered shaping and transaction constituent order proposed by the present invention, its
It is characterised by, the method according to daily 96 points of plan electricity, is split to each composition electricity on an interconnection：It is first
The composition electricity that directly can measure first is deducted, for the composition electricity that directly cannot be measured, then its deviation electricity is carried out point
Stand；When sharing, after deduction frequency modulation side shares deviation electricity, the deviation electricity that remaining composition electricity is shared, using based on consideration friendship
Easily the deviation electricity processing method of constituent order, is ranked up to the type of transaction and transaction cycle of composition electricity, two respectively
Sequence intersects and to form overall deviation electricity composition and share order, and according to priority order from low to high shares deviation electricity
Amount；Finally, deviation electricity is fixed a price according to the level of deviation electricity, completes daily electricity transaction clearing.
The method is comprised the following steps：
1) it is on an interconnection, according to daily 96 points, i.e., daily 24 hours, every 15 minutes 1 time, plan electricity,
To on the interconnection, each composition electricity of conveying is split simultaneously；
PcIt is interconnection sending end plan electricity, shown in expression formula such as formula (1)：
In formula, Pi cFor the plan electricity of i-th composition, the sum of composition electricity is n；
PmElectricity is measured for interconnection sending end, shown in expression formula such as formula (2)：
Pl=Pm-P′m (2)
In formula, P 'mFor the metering electricity of interconnection receiving end, PlIt is lost for interconnection actual metered；
The metering electricity of interconnection sending end constitutes deviation electricity with the difference of interconnection sending end plan electricity, and deviation voltameter reaches
Shown in formula such as formula (3) and formula (4)：
Pd=Pm-Pc (3)
Pi d=λiPd (4)
In formula, PdFor the deviation electricity of interconnection, Pi dTo share to the deviation electricity of component i, λ in some wayiTo divide
Spread out to the proportionality coefficient of component i；
2), in the metering charge value of 96 points of interconnection, deduct the composition electricity that directly can be measured；
For the composition electricity that directly can be measured, the deviation electricity of the composition is equal to plan electricity and the metering of the composition
The difference of electricity, as shown in formula (5)；
Pi d=Pi c-Pi m (5)
In formula, Pi cFor the plan electricity of arbitrary composition electricity that directly can be measured, Pi mFor this directly can measure into
Divide electricity
Metering electricity, Pi dFor the deviation electricity that the composition electricity is shared；By the plan electricity P of the compositioni cAnd metering electricity
Amount Pi mRespectively from interconnection sending end plan electricity PcWith metering electricity PmMiddle deduction；
For the composition electricity that directly cannot be measured, its deviation electricity is shared, as shown in formula (6)-formula (8)：
Ps d=Ps c-Ps m (8)
In formula, in any time period, E is that the composition of the composition electricity that directly can be measured is total, Ps cCan be direct to deduct
Remaining tie line plan electricity after dose ingredients electricity, Ps mFor deduct can directly after dose ingredients electricity remaining interconnection
Metering electricity, Ps dFor deduct can directly after dose ingredients electricity remaining composition electricity deviation electricity, be dividing for deviation electricity
Stand object, i.e. the metering electricity P to remaining electricitys mWith plan electricity Ps cDifference carry out sharing for deviation electricity；
3) to step 2) the deviation electricity P of remaining composition electricity that obtainss dShared；
Remember that the amortization ratio that each participation frequency modulation side undertakes is γi, then the deviation electricity that frequency modulation side shares isExpression formula
As shown in formula (9)：
It is P to deduct the deviation electricity that remaining the composition electricity shared after deviation electricity frequency modulation side sharesr d, expression formula such as formula
(10) shown in：
In formula, l is frequency modulation participant sum；
4) for step 3) deduct the deviation electricity P that remaining the composition electricity shared after deviation electricity frequency modulation side is sharedr d, adopt
With based on the deviation electricity processing method for considering transaction constituent order, respectively the type of transaction and transaction cycle of composition electricity are entered
Row sequence, two sequences intersect and to form overall deviation electricity composition and share order, and open from the low composition electricity of priority
Beginning shares deviation electricity；
4-1) type of transaction is sorted；
Order of the type of transaction according to priority from high to low is followed successively by：Debugging electricity transaction, displacement electricity transaction are transnational
Transregional transaction, transprovincially concludes the business, large user's direct dealing, bid transaction of drawing water, Generation Rights Trade, and straight power purchase factory transaction and deviation are handed over
Easily；
4-2) transaction cycle is sorted；
Order of the transaction cycle according to priority from high to low is followed successively by：Monthly transaction, short-term trading, Day Trading, in a few days
Adjustment；
4-3) combining step 4-1) and step 4-2) ranking results, determination deviation electricity composition shares order；
In type of transaction, debugging electricity is concluded the business and displacement electricity transaction highest priority；Deviation transaction priority is minimum；Its
In remaining type of transaction, type of transaction sequence is paid the utmost attention to, secondly consider transaction cycle sequence, if type of transaction transaction cycle is homogeneous
Together, then priority is determined according to monthly trading program dispatch order or trading card sequence number；After deviation electricity is finished according to sequence
Priority order from low to high carries out deviation electricity to each composition and shares；
5) the deviation electricity of equal rank transmission of electricity composition shares process；
When there is no priority order between each composition electricity, then the deviation based on virtual tou power price is selected as needed
Electricity processing method or program proportional deviation electricity methodology are shared to deviation electricity；
6) deviation electricity is fixed a price according to the level of deviation electricity；
For each component i, shown in its electricity charge expression formula such as formula (11) and formula (12)：
In formula, SiFor the electricity charge that the electricity sale of electricity side of component i collects, Si' for component i electricity power purchase side pay the electricity charge,For the deviation electricity price of component i,For the sale of electricity electricity price of component i,For the purchase electricity price of component i；
When deviation electricity is less than Contract generation setting ratio, then the generation of the deviation electricity belongs to technical reason, not separately
Outward deviation electricity is fixed a price, deviation electricity priceWith sale of electricity electricity priceIt is equal；When deviation electricity is set more than Contract generation
During certainty ratio,
Then with certain coefficient to deviation electricity priceIt is adjusted；
According to formula (11) and the result of calculation of formula (12), the charge calculation of 96 periods is completed, and to obtained by 96 periods
The electricity charge are added up；After cumulative, daily electricity transaction clearing are completed.
The characteristics of of the invention and beneficial effect are：
1) operation is simple, and step is clear, calculates simple, quick, and on-line analyses can be obtained by business settlement system
The data for obtaining directly are calculated, and offline clearing work is easy to complete by means of account settlement；It is mathematically general algebraic operation,
Quickly and easily can complete to analyze, settle accounts work using clearing software；
2) with different levels process is carried out to deviation electricity, it is former according to the layered shaping for meeting physics law and the function of the market
Then, preferably reflect the actual ownership of deviation electricity；
3) according to electricity market feature, it is proposed that the method based on considering that transaction constituent order carries out deviation electricity process,
Ensure that long-term contract is preferentially completed, the transregional transaction of electricity transprovincially carries out specification, effectively improves the execution degree of plan；
4) deviation electricity and plan electricity are settled accounts respectively, it is considered to the real time price attribute of deviation electricity, from supply-demand relationship
With cost angle, deviation electricity has its real-time price attribute, and institute's extracting method of the present invention considers the price category of deviation electricity
Property, regulate market order, improve electricity market operational efficiency.
Description of the drawings
FB(flow block)s of the Fig. 1 for the inventive method.
Specific embodiment
The electricity transaction clearing method for considering deviation electricity layered shaping and transaction constituent order proposed by the present invention, is tied below
Closing the drawings and specific embodiments, that the present invention is described in more detail is as follows.
A kind of electricity transaction clearing method for considering deviation electricity layered shaping and transaction constituent order proposed by the present invention, stream
Journey block diagram according to daily 96 points of plan electricity, is carried out to each composition electricity as shown in figure 1, the method is on an interconnection
Segmentation：The composition electricity that directly can be measured is deducted first, for the composition electricity that directly cannot be measured, then to its deviation electricity
Shared；When sharing, after deduction frequency modulation side shares deviation electricity, the deviation electricity that remaining composition electricity is shared is adopted and is based on
Consider the deviation electricity processing method of transaction constituent order, respectively the type of transaction and transaction cycle of composition electricity are arranged
Sequence, two sequences intersect and to form overall deviation electricity composition and share order, and according to priority order from low to high is shared
Deviation electricity；Finally, deviation electricity is fixed a price according to the level of deviation electricity, completes daily electricity transaction clearing.The party
Method is comprised the following steps：
1) on an interconnection, according to the plan on the yardstick of daily 96 points (daily 24 hours, every 15 minutes 1 time)
Electricity, to each composition electricity of conveying is split on the interconnection simultaneously.One composition electricity is represented by an electricity transaction
The conveying electricity that contract determines, on an interconnection, all the components electricity of a certain period constitutes this period interconnection conveying
Total electricity.
Scheduling provides the plan electricity that the plan of daily 96 points of each composition electricity uses interconnection conveying, then on interconnection it is each into
Divide electricity to be split according to each point plan electricity ratio, split the period of yardstick to 15 minutes；PcIt is interconnection sending end plan
Electricity, shown in expression formula such as formula (1)：
In formula, Pi cFor the plan electricity of i-th composition, the sum of composition electricity is n；
PmElectricity is measured for interconnection sending end, shown in expression formula such as formula (2)：
Pl=Pm-P′m (2)
In formula, P 'mFor the metering electricity of interconnection receiving end, PlIt is lost for interconnection actual metered；
The metering electricity of interconnection sending end constitutes deviation electricity with the difference of interconnection sending end plan electricity, and deviation voltameter reaches
Shown in formula such as formula (3) and formula (4)：
Pd=Pm-Pc (3)
Pi d=λiPd (4)
In formula, PdFor the deviation electricity of interconnection, Pi dTo share to the deviation electricity of component i, λ in some wayiTo divide
Spread out to the proportionality coefficient of component i；
2), in the metering charge value of 96 points of interconnection, deduct the composition electricity that directly can be measured.
Comprehensive practical situation considers the methodology of deviation electricity, with the deviation electricity number produced per 15 minutes on interconnection
According to being calculated, within each 15 minutes time period, deviation electricity between each composition is carried out to become more meticulous and is shared；For can
With the composition electricity of directly metering, the deviation electricity of the composition is equal to the plan electricity of the composition and the difference of metering electricity, such as formula
(5) shown in；
Pi d=Pi c-Pi m (5)
In formula, Pi cFor the plan electricity of arbitrary composition electricity that directly can be measured, Pi mFor this directly can measure into
Divide electricity
Metering electricity, Pi dFor the deviation electricity that the composition electricity is shared；
By the plan electricity of the composition and metering electricity respectively from interconnection sending end plan electricity PcWith metering electricity PmMiddle button
Remove.
With regard to the composition electricity that directly can be measured, for transregional transmission of electricity transprovincially, for a transmission of electricity corridor, exist
The electricity of region or large power plant conveying starts conveying from the top in transmission of electricity corridor, and such composition electricity then can be in interconnection
Directly measured at top, it is possible to settled accounts with actual metered value.Also there is each constituents electricity for certain transmission of electricity corridor
There is the situation intersected, share, it is impossible to directly measure the actual value of the composition electricity, then need according to contract or plan electricity pair
This composition electricity is split, and its deviation electricity is shared.
For the composition electricity that directly cannot be measured, its deviation electricity is shared, as shown in formula (6)-formula (8)：
Ps d=Ps c-Ps m (8)
In formula, in any time period, E is that the composition of the composition electricity that directly can be measured is total, Ps cCan be direct to deduct
Remaining tie line plan electricity after dose ingredients electricity, Ps mFor deduct can directly after dose ingredients electricity remaining interconnection
Metering electricity, Ps dFor deduct can directly after dose ingredients electricity remaining composition electricity deviation electricity, be dividing for deviation electricity
Stand object, i.e. the metering electricity P to remaining electricitys mWith plan electricity Ps cDifference carry out sharing for deviation electricity.
3) to step 2) the deviation electricity P of remaining composition electricity that obtainss dShared；
Firstly, for the transaction participant for participating in frequency modulation, (frequency modulation participant is to play primary frequency modulation or secondary in system
The transaction participant of fm role, may have one be likely to it is also multiple), the frequency modulation table according to its fm capacity and in the time period
It is existing, make which undertake higher proportion deviation electricity；Higher proportion deviation should be according to the fm capacity of frequency modulation participant or frequency modulation herein
Effect measures approval before transaction occurs or after the completion of transaction by grid company or power monitoring department, its proportional numerical value core
Signed a contract by transaction participant after standard and passed through.
As the participant that partly concludes the business in transregional electricity transaction transprovincially is due to its power supply architecture, such as water power is more etc., and reason exists
The role of frequency modulation is assume responsibility in system more, in the middle of the generation of deviation electricity, which has physically just played more electricity
The effect of balance,
The participant of transregional electricity transaction transprovincially should according to its fm capacity and the response time and effect of frequency modulation, with
Undertake the deviation electricity of greater proportion.After assuming that approval passes through, the amortization ratio that certain participation frequency modulation side undertakes is γi, then its point
The deviation electricity at stand isShown in expression formula such as formula (9)：
Deducting the deviation electricity that remaining the composition electricity shared after deviation electricity frequency modulation side shares isExpression formula such as formula
(10) shown in：
In formula, l is frequency modulation participant sum；
4) for step 3) deduct the deviation electricity that remaining the composition electricity shared after deviation electricity frequency modulation side is sharedAdopt
With based on the deviation electricity processing method for considering transaction constituent order, respectively the type of transaction and transaction cycle of composition electricity are entered
Row sequence, two sequences intersect and to form overall deviation electricity composition and share order, and open from the low composition electricity of priority
Beginning shares deviation electricity；It is specific as follows：
4-1) transaction compositional classification
With reference to the 6 class standard contract type (as shown in table 1) that state's net trade center is issued, as transaction compositional classification according to
According to.
1 contract type list of table
In table 1,6 class contract type correspondence 6 classes transaction composition, conclude the business in conjunction with the debugging electricity used in settlement of transactions,
The transaction of displacement electricity and deviation transaction form 9 class types of transaction altogether.Transaction type list is as shown in table 2.
2 transaction type list of table
Wherein, replace electricity to conclude the business as a kind of type of transaction, do not affect to settle accounts electricity total amount and its respectively settle accounts into partition
Divide electricity, but electricity need to be enumerated in settlement of transactions；
For large user's direct dealing, bid transaction of drawing water, Generation Rights Trade sequence：In a practical situation, settle accounts electricity
Above all of composition clearing are disclosure satisfy that, so being substantially not present sequencing problem.Consider the factors such as transaction electricity price, it is big to use
Family direct dealing has precedence over bid transaction of drawing water, and bid transaction of drawing water has precedence over Generation Rights Trade.
4-2) transaction cycle classification
Monthly transaction, short-term trading, Day Trading, in a few days adjustment (electricity containing displacement) 4 classes can be divided into by the adjustment cycle.Transaction
Period list is as shown in table 3.
3 transaction cycle list of table
In table 3, the content on lexical or textual analysis hurdle is that the implication to the transaction cycle corresponding to every a line is explained.
4-3) transaction constituent order
According to the transaction type list of table 2, in type of transaction (sequence number 1-8), 1 highest priority of sequence number, 8 priority of sequence number
Minimum, sequence number 9 is concluded the business for deviation, then directly as transaction lowest priority；According to 3 transaction cycle list of table, transaction cycle (sequence
Number 1-4) in, 1 highest priority of sequence number, 4 priority of sequence number are minimum.Consider two factors of type of transaction and transaction cycle,
The transaction of debugging electricity, the preferential clearing of displacement electricity transaction in type of transaction；In remaining type of transaction, type of transaction is paid the utmost attention to
Sequence, secondly considers that transaction cycle sorts, such as type of transaction transaction cycle all same, then according to monthly trading program dispatch order
Or trading card sequence number determines priority.Concrete sequence is as shown in table 4.
The transaction constituent order table of table 4
All Activity composition is ranked up by principle of ordering as shown in table 4, and deviation electricity is preferential after finishing according to sequence
Level order from low to high, i.e., the order in corresponding table 4 from bottom to up, carries out deviation electricity to each composition and shares.
5) the deviation electricity of equal rank transmission of electricity composition shares process；
When there is no priority order between each composition electricity, then the deviation based on virtual tou power price is selected as needed
Electricity processing method or program proportional deviation electricity methodology, it is specific as follows：
When there is no priority order between each composition electricity, then to such deviation electricity priority identical each into
/ shared, the method shared can select program proportional deviation electricity methodology, i.e., according to each composition in the period
Plan electricity, as the amortization ratio of deviation electricity, play fm role, undertake electricity transaction participant's root of balancing tasks
According to described in step 3, amortization ratio is modified with certain coefficient depending on its fm capacity and effect.
Deviation electricity processing method (meter of the method using 96 points in 1 day based on virtual tou power price can also be used
Draw and continuous data, the load data for selling both sides according to the purchase of composition electricity divides peak, flat, paddy period, and using peak, flat, paddy point
When electricity price amendment deviation electricity amortization ratio, refer to document《Deviation coulometric analyses in transregional electricity transaction transprovincially be based on
The deviation electricity processing method of virtual tou power price》).The level of selection mode Main Basiss deviation electricity and the specification journey in market
Degree.If deviation charge level is higher, market order is more chaotic, then the deviation electricity based on virtual tou power price may be selected and processes
Method is normalized market behavior.
6) deviation electricity is fixed a price according to the level of deviation electricity.
For each component i, shown in its electricity charge expression formula such as formula (11) and formula (12)：
In formula, SiFor the electricity charge that the electricity sale of electricity side of component i collects, Si' for component i electricity power purchase side pay the electricity charge,For the deviation electricity price of component i electricity,For the sale of electricity electricity price of component i electricity,For the purchase electricity price of component i electricity；
When deviation electricity is less than Contract generation certain proportion (such as 1%-3%), then the generation of the deviation electricity belongs to skill
Art reason, shares to Contract generation according to certain way and in addition deviation electricity is not fixed a price, deviation electricity priceWith
Sale of electricity electricity priceEqual (once being fixed a price per 15 minutes), it is electric as the clearing of deviation electricity using the sale of electricity electricity price in contract
Valency.When deviation electricity exceedes the ratio that Contract generation determines, then there is the promise breaking of transmission of electricity contract or actively make in the composition electricity
The behavior of arbitrage is carried out into deviation electricity, then with certain coefficient to deviation electricity priceIt is adjusted, to related participant
Punished.
According to formula (11) and the result of calculation of formula (12), the charge calculation of 96 periods is completed, and to obtained by 96 periods
The electricity charge are added up.After cumulative, that is, complete an interconnection upper deviation electricity in a day fine between each transmission of electricity composition
Change is shared, and realizes that electricity is settled accounts, and provides charge calculation list, and strict implement " daily liquidating and monthly closing " clearing are required.
The deviation electricity layered shaping and the method for transaction compositional classification and sequence that the present invention is used is drawn to deviation electricity
Divide to have carried out refining and effectively share with more reasonable.Under the existing electricity market mechanism of China for not setting up Real-time markets,
The restraining forceies of trade contract are effectively enhanced, method mainly utilizes existing plan and continuous data, do not increase too much
Plus the complexity of clearing work.
Claims (2)
1. it is a kind of to consider that deviation electricity layered shaping and the electricity transaction of transaction constituent order settle accounts method, it is characterised in that the party
Method according to daily 96 points of plan electricity, is split to each composition electricity on an interconnection：Deducting first can be direct
The composition electricity of metering, for the composition electricity that directly cannot be measured, then shares to its deviation electricity；When sharing, deduct
After frequency modulation side shares deviation electricity, the deviation electricity that remaining composition electricity is shared, using based on the inclined of consideration transaction constituent order
Difference electricity processing method, is ranked up to the type of transaction and transaction cycle of composition electricity respectively, and two sequences intersect to be formed
Overall deviation electricity composition shares order, and according to priority order from low to high shares deviation electricity；Finally, according to deviation
The level of electricity is fixed a price to deviation electricity, completes daily electricity transaction clearing.
2. the method for claim 1, it is characterised in that the method is comprised the following steps：
1) it is on an interconnection, according to daily 96 points, i.e., daily 24 hours, every 15 minutes 1 time, plan electricity, to this
On interconnection, each composition electricity of conveying is split simultaneously；
PcIt is interconnection sending end plan electricity, shown in expression formula such as formula (1)：
In formula, Pi cFor the plan electricity of i-th composition, the sum of composition electricity is n；
PmElectricity is measured for interconnection sending end, shown in expression formula such as formula (2)：
Pl=Pm-P′m (2)
In formula, P 'mFor the metering electricity of interconnection receiving end, PlIt is lost for interconnection actual metered；
The metering electricity of interconnection sending end constitutes deviation electricity with the difference of interconnection sending end plan electricity, and deviation electricity expression formula is such as
Shown in formula (3) and formula (4)：
Pd=Pm-Pc (3)
Pi d=λiPd (4)
In formula, PdFor the deviation electricity of interconnection, Pi dTo share to the deviation electricity of component i, λ in some wayiFor share to into
Divide the proportionality coefficient of i；
2), in the metering charge value of 96 points of interconnection, deduct the composition electricity that directly can be measured；
For the composition electricity that directly can be measured, the deviation electricity of the composition is equal to the plan electricity and metering electricity of the composition
Difference, as shown in formula (5)；
Pi d=Pi c-Pi m (5)
In formula, Pi cFor the plan electricity of arbitrary composition electricity that directly can be measured, Pi mFor the composition electricity that this directly can measure
The metering electricity of amount, Pi dFor the deviation electricity that the composition electricity is shared；By the plan electricity P of the compositioni cAnd metering electricity Pi mPoint
Not from interconnection sending end plan electricity PcWith metering electricity PmMiddle deduction；
For the composition electricity that directly cannot be measured, its deviation electricity is shared, as shown in formula (6)-formula (8)：
Ps d=Ps c-Ps m(8)
In formula, in any time period, E is that the composition of the composition electricity that directly can be measured is total, Ps cDirectly can measure to deduct
Remaining tie line plan electricity after composition electricity, Ps mFor deduct can be directly after dose ingredients electricity remaining interconnection measure
Electricity, Ps dFor deduct can directly after dose ingredients electricity remaining composition electricity deviation electricity, be that sharing for deviation electricity is right
As the i.e. metering electricity P to remaining electricitys mWith plan electricity Ps cDifference carry out sharing for deviation electricity；
3) to step 2) the deviation electricity P of remaining composition electricity that obtainss dShared；
Remember that the amortization ratio that each participation frequency modulation side undertakes is γi, then the deviation electricity that frequency modulation side shares isExpression formula such as formula
(9) shown in：
Deducting the deviation electricity that remaining the composition electricity shared after deviation electricity frequency modulation side shares isExpression formula such as formula (10) institute
Show：
In formula, l is frequency modulation participant sum；
4) for step 3) deduct the deviation electricity P that remaining the composition electricity shared after deviation electricity frequency modulation side is sharedr d, using base
In the deviation electricity processing method for considering transaction constituent order, respectively the type of transaction and transaction cycle of composition electricity are arranged
Sequence, two sequences intersect and to form overall deviation electricity composition and share order, and start point from the low composition electricity of priority
Stand deviation electricity；
4-1) type of transaction is sorted；
Order of the type of transaction according to priority from high to low is followed successively by：Debugging electricity transaction, displacement electricity transaction are transnational transregional
Transaction, transprovincially concludes the business, large user's direct dealing, bid transaction of drawing water, Generation Rights Trade, and straight power purchase factory transaction and deviation are concluded the business；
4-2) transaction cycle is sorted；
Order of the transaction cycle according to priority from high to low is followed successively by：Monthly transaction, short-term trading, Day Trading are in a few days adjusted；
4-3) combining step 4-1) and step 4-2) ranking results, determination deviation electricity composition shares order；
In type of transaction, debugging electricity is concluded the business and displacement electricity transaction highest priority；Deviation transaction priority is minimum；Remaining friendship
Easily in type, type of transaction sequence is paid the utmost attention to, secondly consider transaction cycle sequence, if type of transaction transaction cycle all same,
Then priority is determined according to monthly trading program dispatch order or trading card sequence number；Deviation electricity is preferential after finishing according to sequence
Level order from low to high carries out deviation electricity to each composition and shares；
5) the deviation electricity of equal rank transmission of electricity composition shares process；
When there is no priority order between each composition electricity, then the deviation electricity based on virtual tou power price is selected as needed
Processing method or program proportional deviation electricity methodology are shared to deviation electricity；
6) deviation electricity is fixed a price according to the level of deviation electricity；
For each component i, shown in its electricity charge expression formula such as formula (11) and formula (12)：
Si=Fc sPi c+Fc dPi d (11)
S′i=Fc b(Pi c+Pi d)P′m/Pm (12)
In formula, SiFor the electricity charge that the electricity sale of electricity side of component i collects, Si' for component i electricity power purchase side pay the electricity charge, Fc dFor
The deviation electricity price of component i, Fc sFor the sale of electricity electricity price of component i, Fc bFor the purchase electricity price of component i；
When deviation electricity is less than Contract generation setting ratio, then the generation of the deviation electricity belongs to technical reason, not right in addition
Deviation electricity is fixed a price, deviation electricity price Fc dWith sale of electricity electricity price Fc sIt is equal；When deviation electricity exceedes Contract generation setting ratio
During example, then with certain coefficient to deviation electricity price Fc dIt is adjusted；
According to formula (11) and the result of calculation of formula (12), the charge calculation of 96 periods is completed, and to the electricity charge obtained by 96 periods
Added up；After cumulative, daily electricity transaction clearing are completed.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109087152A (en) * | 2018-08-21 | 2018-12-25 | 广东电网有限责任公司 | A kind of settlement method, device and the equipment of the plan electricity of power spot market a few days ago |
| CN109272229A (en) * | 2018-09-14 | 2019-01-25 | 中国长江电力股份有限公司 | Power station deviation electricity calculation method based on virtual reservoir |
| CN110866842A (en) * | 2019-11-22 | 2020-03-06 | 四川电力交易中心有限公司 | Electric power transaction settlement method based on electric power transformation degree |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109087152A (en) * | 2018-08-21 | 2018-12-25 | 广东电网有限责任公司 | A kind of settlement method, device and the equipment of the plan electricity of power spot market a few days ago |
| CN109272229A (en) * | 2018-09-14 | 2019-01-25 | 中国长江电力股份有限公司 | Power station deviation electricity calculation method based on virtual reservoir |
| CN110866842A (en) * | 2019-11-22 | 2020-03-06 | 四川电力交易中心有限公司 | Electric power transaction settlement method based on electric power transformation degree |
| CN111260354A (en) * | 2020-01-23 | 2020-06-09 | 广东电力信息科技有限公司 | Electricity charge settlement method and related device in multi-time-sequence and multi-variety electric power market |
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| CN112330486A (en) * | 2020-10-29 | 2021-02-05 | 长沙理工大学 | Listing transaction optimization decision method for cross-regional tie line state abnormity |
| CN112330486B (en) * | 2020-10-29 | 2024-06-11 | 长沙理工大学 | Cross-region contact line state abnormality listing transaction optimization decision-making method |
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