CN110428330A - A kind of three settlement methods processed of spot market environment lower complete period - Google Patents

A kind of three settlement methods processed of spot market environment lower complete period Download PDF

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CN110428330A
CN110428330A CN201910613022.8A CN201910613022A CN110428330A CN 110428330 A CN110428330 A CN 110428330A CN 201910613022 A CN201910613022 A CN 201910613022A CN 110428330 A CN110428330 A CN 110428330A
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杨威
曾智健
姚星安
龚学良
张�杰
刘嘉逊
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Guangdong Electric Power Trading Center LLC
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Abstract

The invention discloses a kind of three settlement methods processed of spot market environment lower complete period, at least include the following steps: in long-term contract time sharing electrical energy and net contract composite price calculate in the long-term contract electricity charge；Node electricity price and medium-term and long-term electricity complete a business transaction long-term Contract Energy Congested espense in the node difference calculating of node electricity price a few days ago a few days ago for long-term contract time sharing electrical energy and main market players's place node in；Go out the difference of clear electricity Yu medium-term and long-term contract time sharing electrical energy according to ahead market, and tou power price calculates the deviation electricity charge a few days ago a few days ago；The difference and Spot Price gone out between clear electricity according to practical electricity and ahead market calculates the real-time offsets electricity charge；The long-term contract electricity charge, medium-term and long-term Contract Energy Congested espense, a few days ago the deviation electricity charge and the real-time offsets electricity charge carry out accumulating operation by, obtain total electricity expense.Three settlement methods processed of a kind of spot market environment lower complete period provided by the invention, can be realized efficient, accurate charge calculation.

Description

A kind of three settlement methods processed of spot market environment lower complete period
Technical field
The present invention relates to the three system clearing in power management techniques field more particularly to a kind of spot market environment lower complete period Method.
Background technique
Power spot market has entered formal accounts settling phase.Under the environment of spot market, transaction timing is constantly refined, including in For a long time, a few days ago and in real time.Medium and long-term transaction is temporally divided into year transaction, monthly transaction, week transaction；It is divided by mode of doing business double Side negotiates, lists, and concentrates competition transaction.In order not to increase management and running pressure, maximization optimizes space, and spot market is complete Electricity is clear out, i.e., the medium-term and long-term radix contract of the Long-term Market contract signed and B class unit is not considered when optimization is clear, excellent Change obtains timesharing node electricity price.Medium-term and long-term contract only has financial settlement meaning, completes a business transaction without physics.
Under Long-term Market environment, medium-term and long-term agreement electric rate is fixed (usually one in long period scale Month), therefore the deviation of the practical hair electricity of main market players and Contract Energy can be settled accounts according to fixed deviation price. But under the environment of spot market, each hour Settlement price is different, it is therefore desirable to which long-term contract energy decomposition then, is counted by Deviation electricity hourly is calculated, and is settled accounts according to spot-market price.Settlement method and stock city under Long-term Market environment Field mismatches, and needs to find new settlement method, realizes efficient, rapidly medium-term and long-term and stock complete period clearing.
Summary of the invention
Three settlement methods processed of a kind of spot market environment lower complete period provided in an embodiment of the present invention, can effectively count Calculate spot market and Long-term Market deviation electricity and the deviation electricity charge, so as to match with spot exchange, realize efficiently, Accurate charge calculation.
To achieve the above object, the embodiment provides a kind of three system clearing of spot market environment lower complete period Method at least includes the following steps:
In long-term contract time sharing electrical energy and net contract composite price calculate in the long-term contract electricity charge；
Node electricity price is completed a business transaction with medium-term and long-term electricity a few days ago for long-term contract time sharing electrical energy and main market players's place node in Long-term Contract Energy Congested espense in the node difference calculating of node electricity price a few days ago；
Go out the difference of clear electricity Yu medium-term and long-term contract time sharing electrical energy according to ahead market, and tou power price calculates day a few days ago The preceding deviation electricity charge；
The difference and Spot Price gone out between clear electricity according to practical electricity and ahead market calculates real-time offsets electricity Take；
By the medium-term and long-term contract electricity charge, the medium-term and long-term Contract Energy Congested espense, the electricity charge of deviation a few days ago and institute It states the real-time offsets electricity charge and carries out accumulating operation, obtain total electricity expense.
Further, the long-term contract electricity charge in the calculating, specifically:
In long-term contract time sharing electrical energy and net contract composite price calculate in the long-term contract electricity charge, formula are as follows:
RMedium-term and long-term contract=Σ QIt is medium-term and long-term, t×PNet contract composite price
Wherein, RMedium-term and long-term contractFor the medium-term and long-term contract electricity charge；QIt is medium-term and long-term, tFor contract time sharing electrical energy long-term in the t period；PNet contract composite priceFor T period net contract composite price.
Further, in the basis node where long-term contract time sharing electrical energy and main market players a few days ago node electricity price in Long-term electricity completes a business transaction long-term Contract Energy Congested espense in the node difference calculating of node electricity price a few days ago, specifically:
The medium-term and long-term Contract Energy Congested espense is divided into Generation Side long-term in long-term contract Congested espense and user side Contract Congested espense calculates separately long-term contract resistance in long-term contract Congested espense and user side in Generation Side according to node is completed a business transaction Plug expense, long-term contract Congested espense in the Generation Side are as follows:
RMedium-term and long-term obstruction (Generation Side)=Σ [QIt is medium-term and long-term, t×(P(Generation Side) a few days ago, t- P(complete a business transaction node) a few days ago, t)]
Wherein, RMedium-term and long-term obstruction (Generation Side)For contract Congested espense long-term in Generation Side；QIt is medium-term and long-term, tFor long-term timesharing in the unit t period Net Contract Energy；P(Generation Side) a few days ago, tFor the t period tou power price a few days ago of node where unit；P(complete a business transaction node) a few days ago, tFor the friendship of medium-term and long-term contract Cut node t period tou power price a few days ago；
Long-term contract Congested espense in the user side are as follows:
RMedium-term and long-term obstruction (user side)=Σ [QIt is medium-term and long-term, t×(P(user side) a few days ago, t- P(complete a business transaction node) a few days ago, t)]
Wherein, RMedium-term and long-term obstruction (user side)For contract Congested espense long-term in user；P(user side) a few days ago, tWhere user when the t of node Duan Qian tou power price.
Further, the difference gone out between clear electricity and medium-term and long-term contract time sharing electrical energy according to ahead market, and Tou power price calculates the deviation electricity charge a few days ago a few days ago, specifically:
RA few days ago=Σ (QA few days ago, t- QIt is medium-term and long-term, t)×PA few days ago, t
Wherein, RA few days agoFor the deviation electricity charge a few days ago；QA few days ago, tGo out clear electricity for the t period；QIt is medium-term and long-term, tIt is net for timesharing long-term in the t period Contract Energy；PA few days ago, tThe node t period Settlement price where main market players.
Further, the difference and Spot Price meter gone out between clear electricity according to practical electricity and ahead market The real-time offsets electricity charge are calculated, specifically:
RIn real time=Σ [(QIn real time, t- QA few days ago, t)×PIn real time, t]
Wherein, RIn real timeFor the real-time offsets electricity charge；QIn real time, tFor Real-time markets t period practical electricity；QA few days ago, tWhen for ahead market t Section goes out clear electricity；PIn real time, tThe real-time time-sharing electricity price of node t period where main market players.
Further, it is described by the medium-term and long-term contract electricity charge, the medium-term and long-term Contract Energy Congested espense, it is described a few days ago The deviation electricity charge and the real-time offsets electricity charge add up, and obtain total electricity expense, specifically:
The long-term contract electricity charge, medium-term and long-term contract Congested espense, a few days ago the deviation electricity charge and the real-time offsets electricity charge summarize structure by Take at the total electricity of main market players, total electricity electricity charge formula are as follows:
R=RMedium-term and long-term contract+RMedium-term and long-term obstruction+RA few days ago+RIn real time
Wherein, R is the total electricity electricity charge of main market players.
Three settlement methods processed of a kind of spot market environment lower complete period provided in an embodiment of the present invention, can effectively count Deviation electricity and the deviation electricity charge of spot market and Long-term Market are calculated, so as to effectively improve the calculating of total electricity expense Accuracy, and then be conducive to effectively realize distributing rationally for resource.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of three settlement methods processed of spot market environment lower complete period provided by the invention；
Fig. 2 is three composition schematic diagrams processed provided by the invention.
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 Site preparation 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 every other Embodiment shall fall within the protection scope of the present invention.
Fig. 1-Fig. 2 is please referred to, the embodiment of the invention provides a kind of three system clearing sides of spot market environment lower complete period Method at least includes the following steps:
S1, in long-term contract time sharing electrical energy and net contract composite price calculate in the long-term contract electricity charge；
S2, node electricity price and medium-term and long-term electricity are handed over a few days ago for long-term contract time sharing electrical energy and main market players's place node in Long-term Contract Energy Congested espense in the cut node difference calculating of node electricity price a few days ago；
S3, go out difference between clear electricity and medium-term and long-term contract time sharing electrical energy, and the electricity of timesharing a few days ago according to ahead market Valence calculates the deviation electricity charge a few days ago；
S4, the difference gone out between clear electricity according to practical electricity and ahead market and Spot Price calculate real-time offsets The electricity charge；
S5, the long-term contract electricity charge, medium-term and long-term Contract Energy Congested espense, a few days ago the deviation electricity charge and the real-time offsets electricity charge by Accumulating operation is carried out, total electricity expense is obtained.
As a kind of specific embodiment of the embodiment of the present invention, the long-term contract electricity charge in calculating, specifically:
In long-term contract time sharing electrical energy and net contract composite price calculate in the long-term contract electricity charge, formula are as follows:
RMedium-term and long-term contract=Σ QIt is medium-term and long-term, t×PNet contract composite price
Wherein, RMedium-term and long-term contractFor the medium-term and long-term contract electricity charge；QIt is medium-term and long-term, tFor contract time sharing electrical energy long-term in the t period；PNet contract composite priceFor T period net contract composite price.
In embodiments of the present invention, charge calculation method provided by the invention is settled accounts by three systems, i.e., medium-term and long-term Electricity of trading is settled accounts by contract price, and the deviation electricity for the more medium-term and long-term contract of electricity of getting the bid a few days ago is by timesharing node electricity price knot a few days ago Calculate, practical electricity get the bid more a few days ago electricity departure by real time price clearing.Long-term contract electricity in of the embodiment of the present invention Amount completes a business transaction node and calculates separately in Generation Side in long-term contract Congested espense and user side contract Congested espense for a long time, realizes hair With the complete period charge calculation of bilateral, the clearing accuracy of total electricity bill is effectively improved；And by calculating deviation electricity a few days ago Take and the real-time offsets electricity charge, is conducive to embody scarcity value of the electricity in short cycle, total electricity can be further increased The reliability and accuracy of clearing, to be advantageously implemented distributing rationally for resource.
As a kind of specific embodiment of the embodiment of the present invention, long-term contract time sharing electrical energy and institute, main market players in In node, node electricity price long-term electricity in completes a business transaction long-term Contract Energy resistance in the node difference calculating of node electricity price a few days ago a few days ago Plug expense, specifically:
Medium-term and long-term Contract Energy Congested espense includes long-term contract in long-term contract Congested espense and user side in Generation Side Congested espense calculates separately in Generation Side long-term contract obstruction expense in long-term contract Congested espense and user side according to node is completed a business transaction With long-term contract Congested espense in Generation Side are as follows:
RMedium-term and long-term obstruction (Generation Side)=Σ [QIt is medium-term and long-term, t×(P(Generation Side) a few days ago, t- P(complete a business transaction node) a few days ago, t)]
Wherein, RMedium-term and long-term obstruction (Generation Side)For contract Congested espense long-term in Generation Side；QIt is medium-term and long-term, tFor long-term timesharing in the unit t period Net Contract Energy；P(Generation Side) a few days ago, tFor the t period tou power price a few days ago of node where unit；P(complete a business transaction node) a few days ago, tFor the friendship of medium-term and long-term contract Cut node t period tou power price a few days ago；
Long-term contract Congested espense in user side are as follows:
RMedium-term and long-term obstruction (user side)=Σ [QIt is medium-term and long-term, t×(P(user side) a few days ago, t- P(complete a business transaction node) a few days ago, t)]
Wherein, RMedium-term and long-term obstruction (user side)For contract Congested espense long-term in user；P(user side) a few days ago, tWhere user when the t of node Duan Qian tou power price.
In embodiments of the present invention, when system congestion, the node electricity price of different nodes is different, completes a business transaction node by electricity Long-term contract Congested espense in long-term contract Congested espense and user side is calculated separately in Generation Side, electricity can be effectively improved The accuracy of calculating.
As a kind of specific embodiment of the embodiment of the present invention, clear electricity and medium-term and long-term contract point are gone out according to ahead market When electricity between difference, and a few days ago tou power price calculate the deviation electricity charge a few days ago, specifically:
RA few days ago=Σ (QA few days ago, t- QIt is medium-term and long-term, t)×PA few days ago, t
Wherein, RA few days agoFor the deviation electricity charge a few days ago；QA few days ago, tGo out clear electricity for the ahead market t period；QIt is medium-term and long-term, tIt is long in the t period The net Contract Energy of phase timesharing；PA few days ago, tThe node ahead market t period Settlement price where main market players.
As a kind of specific embodiment of the embodiment of the present invention, gone out between clear electricity according to practical electricity and ahead market Difference and Spot Price calculate the real-time offsets electricity charge, specifically:
RIn real time=Σ [(QIn real time, t- QA few days ago, t)×PIn real time, t]
Wherein, RIn real timeFor the real-time offsets electricity charge；QIn real time, tFor Real-time markets t period practical electricity；QA few days ago, tWhen for ahead market t Section goes out clear electricity；PIn real time, tReal-time time-sharing electricity price of the node in the t period where main market players.
In embodiments of the present invention, spot market electricity is settled accounts by the hour, and Settlement price is different per hour, therefore Need by decomposition curve will in long-term Contract Energy Decomposition to per hour, to calculate the inclined of spot market and Long-term Market Poor electricity and the deviation electricity charge.
As a kind of specific embodiment of the embodiment of the present invention, the long-term contract electricity charge, the resistance of medium-term and long-term Contract Energy by Plug expense, a few days ago the deviation electricity charge and the real-time offsets electricity charge add up, and obtain total electricity expense, specifically:
The long-term contract electricity charge, medium-term and long-term contract Congested espense, a few days ago the deviation electricity charge and the real-time offsets electricity charge summarize structure by Take at the total electricity of main market players, total electricity electricity charge formula are as follows:
R=RMedium-term and long-term contract+RMedium-term and long-term obstruction+RA few days ago+RIn real time
Wherein, R is the total electricity electricity charge of main market players.
In embodiments of the present invention, pass through the contract electricity charge long-term by, medium-term and long-term contract Congested espense, a few days ago the deviation electricity charge Accumulating operation is carried out with the real-time offsets electricity charge, comprehensively considers Congested espense, a few days ago the deviation electricity charge and the real-time offsets electricity charge to total electricity The influence of amount expense can effectively improve the accuracy of total electricity disbursement and sattlement.
The implementation of the embodiments of the present invention has the following beneficial effects:
In embodiments of the present invention, node is completed a business transaction by electricity and calculates separately long-term contract Congested espense and use in Generation Side Long-term contract Congested espense, realizes the complete period charge calculation of hair bilateral, effectively improves the knot of total electricity bill in the side of family Calculate accuracy；And by calculating the deviation electricity charge a few days ago and the real-time offsets electricity charge, be conducive to embody electricity in short cycle Scarcity value realize efficient, accurate charge calculation so as to match with spot exchange.
It is the preferred embodiment of the present invention above, it is noted that for those skilled in the art, Various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as this hair Bright protection scope.

Claims (6)

1. a kind of three settlement methods processed of spot market environment lower complete period, which is characterized in that at least include the following steps:
In long-term contract time sharing electrical energy and net contract composite price calculate in the long-term contract electricity charge；
Node electricity price and medium-term and long-term electricity complete a business transaction node a few days ago for long-term contract time sharing electrical energy and main market players's place node in Long-term Contract Energy Congested espense in the difference calculating of node electricity price a few days ago；
Go out the difference between clear electricity and medium-term and long-term contract time sharing electrical energy according to ahead market, and tou power price calculates day a few days ago The preceding deviation electricity charge；
The difference and Spot Price gone out between clear electricity according to practical electricity and ahead market calculates the real-time offsets electricity charge；
By the medium-term and long-term contract electricity charge, the medium-term and long-term Contract Energy Congested espense, the electricity charge of deviation a few days ago and the reality When the deviation electricity charge carry out accumulating operation, obtain total electricity expense.
2. three settlement methods processed of spot market environment lower complete period as described in claim 1, which is characterized in that the calculating The medium-term and long-term contract electricity charge, specifically:
In long-term contract time sharing electrical energy and net contract composite price calculate in the long-term contract electricity charge, formula are as follows:
RMedium-term and long-term contract=Σ QIt is medium-term and long-term, t×PNet contract composite price
Wherein, RMedium-term and long-term contractFor the medium-term and long-term contract electricity charge；QIt is medium-term and long-term, tFor contract time sharing electrical energy long-term in the t period；PNet contract composite priceWhen for t The net contract composite price of section.
3. three settlement methods processed of spot market environment lower complete period as described in claim 1, which is characterized in that the basis Node electricity price and medium-term and long-term electricity complete a business transaction node day front nodal point to node where medium-term and long-term contract time sharing electrical energy and main market players a few days ago Long-term Contract Energy Congested espense in the difference calculating of electricity price, specifically:
The medium-term and long-term Contract Energy Congested espense is divided into Generation Side long-term contract in long-term contract Congested espense and user side Congested espense calculates separately in Generation Side long-term contract obstruction expense in long-term contract Congested espense and user side according to node is completed a business transaction With long-term contract Congested espense in the Generation Side are as follows:
RMedium-term and long-term obstruction (Generation Side)=Σ [QIt is medium-term and long-term, t×(P(Generation Side) a few days ago, t- P(complete a business transaction node) a few days ago, t)]
Wherein, RMedium-term and long-term obstruction (Generation Side)For contract Congested espense long-term in Generation Side；QIt is medium-term and long-term, tIt is closed only for timesharing long-term in the unit t period About electricity；P(Generation Side) a few days ago, tFor the t period tou power price a few days ago of node where unit；P(complete a business transaction node) a few days ago, tSection is completed a business transaction for medium-term and long-term contract Point t period tou power price a few days ago；
Long-term contract Congested espense in the user side are as follows:
RMedium-term and long-term obstruction (user side)=Σ [QIt is medium-term and long-term, t×(P(user side) a few days ago, t- P(complete a business transaction node) a few days ago, t)]
Wherein, RMedium-term and long-term obstruction (user side)For contract Congested espense long-term in user；P(user side) a few days ago, tThe t period day of node where user Preceding tou power price.
4. three settlement methods processed of spot market environment lower complete period as described in claim 1, which is characterized in that the basis Ahead market goes out the difference between clear electricity and medium-term and long-term contract time sharing electrical energy, and tou power price calculates deviation electricity a few days ago a few days ago Take, specifically:
RA few days ago=Σ (QA few days ago, t- QIt is medium-term and long-term, t)×PA few days ago, t
Wherein, RA few days agoFor the deviation electricity charge a few days ago；QA few days ago, tGo out clear electricity for the ahead market t period；QIt is medium-term and long-term, tFor long-term timesharing in the t period Net Contract Energy；PA few days ago, tThe node ahead market t period Settlement price where main market players.
5. three settlement methods processed of spot market environment lower complete period as described in claim 1, which is characterized in that the basis The difference and Spot Price that practical electricity and ahead market go out between clear electricity calculate the real-time offsets electricity charge, specifically:
RIn real time=Σ [(QIn real time, t- QA few days ago, t)×PIn real time, t]
Wherein, RIn real timeFor the real-time offsets electricity charge；QIn real time, tFor Real-time markets t period practical electricity；QA few days ago, tGo out for the ahead market t period Clear electricity；PIn real time, tReal-time time-sharing electricity price of the node in the t period where main market players.
6. three settlement methods processed of spot market environment lower complete period as described in claim 1, which is characterized in that described by institute State the medium-term and long-term contract electricity charge, the medium-term and long-term Contract Energy Congested espense, the electricity charge of deviation a few days ago and real-time offsets electricity Expense adds up, and obtains total electricity expense, specifically:
The long-term contract electricity charge, medium-term and long-term contract Congested espense, a few days ago the deviation electricity charge and the real-time offsets electricity charge, which summarize, by constitutes city The total electricity of field main body is taken, total electricity electricity charge formula are as follows:
R=RMedium-term and long-term contract+RMedium-term and long-term obstruction+RA few days ago+RIn real time
Wherein, R is the total electricity electricity charge of main market players.
CN201910613022.8A 2019-07-09 2019-07-09 A kind of three settlement methods processed of spot market environment lower complete period Pending CN110428330A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112862313A (en) * 2021-02-08 2021-05-28 山东大学 Generator set scheduling method and system based on medium-long term price difference contract electric quantity decomposition

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CN104408650A (en) * 2014-11-17 2015-03-11 南方电网科学研究院有限责任公司 Cross-provincial electric energy transaction settlement method for independent weighted pricing of deviation electric quantity
CN108280693A (en) * 2018-02-06 2018-07-13 广东电力交易中心有限责任公司 A kind of power generation side marketization electricity settlement method
CN109492789A (en) * 2018-06-26 2019-03-19 广东电网有限责任公司 A kind of method and device of plan electricity and the decoupling clearing of market electricity

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Publication number Priority date Publication date Assignee Title
EP0374944B1 (en) * 1988-12-23 1998-03-25 Hitachi, Ltd. Information processing system
CN104408650A (en) * 2014-11-17 2015-03-11 南方电网科学研究院有限责任公司 Cross-provincial electric energy transaction settlement method for independent weighted pricing of deviation electric quantity
CN108280693A (en) * 2018-02-06 2018-07-13 广东电力交易中心有限责任公司 A kind of power generation side marketization electricity settlement method
CN109492789A (en) * 2018-06-26 2019-03-19 广东电网有限责任公司 A kind of method and device of plan electricity and the decoupling clearing of market electricity

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112862313A (en) * 2021-02-08 2021-05-28 山东大学 Generator set scheduling method and system based on medium-long term price difference contract electric quantity decomposition

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