CN112330428A - Centralized bidding electric power transaction system and method - Google Patents
Centralized bidding electric power transaction system and method Download PDFInfo
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- CN112330428A CN112330428A CN202011351248.4A CN202011351248A CN112330428A CN 112330428 A CN112330428 A CN 112330428A CN 202011351248 A CN202011351248 A CN 202011351248A CN 112330428 A CN112330428 A CN 112330428A
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Abstract
The invention discloses a centralized bidding electric power transaction system and method. The system comprises: the auction price ranking module, auction declaration module and auction clearing module; the auction price ranking module is used for selecting a price ranking mode and setting auction rounds; the price of electricity is in order from high price to low price or in order from low price to high price; the auction reporting module is used for reporting the electric quantity by the power selling party or the power purchasing party; the auction clearing module is used for sequentially clearing transaction electric quantity according to the auction round according to the electricity price order mode selected by the auction electricity price order module and the declared electric quantity transmitted by the auction declaration module. By adopting the system and the method, market main bodies participating in bidding are promoted to continuously and step quote, market force control is reduced, electric energy trading efficiency is improved, the problem of low market bidding efficiency caused by high market force in electric power centralized trading is solved, and optimal configuration of electric energy resources is facilitated.
Description
Technical Field
The invention relates to the technical field of electric power transaction, in particular to a centralized bidding electric power transaction system and method.
Background
With the continuous promotion of electric power market reformation, a market system with full competition, orderly opening and healthy development is gradually formed. The purpose of electric power market construction is to create an electric power trading operation environment with sufficient competition and free selection to improve the economic benefit of an electric power system, a bidding mechanism in electric power trading has great influence on aspects such as fair trading of market main bodies, electric energy supply and demand interaction, formation of electricity price, electric quantity settlement, electric charge clearing and the like, and the electric power market bidding mechanism gradually becomes the core problem of market change. The traditional bidding mechanism is influenced by market force, and cannot effectively adjust the electricity price, so that the power generation quotation is high, the electricity purchasing cost of enterprises is continuously increased, and the optimal configuration of electric energy resources is not facilitated. The bidding method of the electric power market is closely related to the market structure of the electric power market, the bidding strategy of the power generator, the generation cost of the power generator, the productivity and other factors.
The demand of the power market is to improve the economic efficiency of the whole power industry system by establishing a power system operation environment full of competition and selection, which are two aspects of interdependence of market mechanisms. When the market shows obvious oligopolistic property, stronger market force can appear in the market, and power plant manufacturers with larger market force can easily control the price of the market, so that other power generation manufacturers become followers or receivers of the price, the competition degree is gradually weakened, and the competition efficiency of the market is seriously reduced. Due to market power of power product sellers, market supply is sometimes not really insufficient, but is artificially short, if market demand is greatly increased, the supply scarcity phenomenon is more serious, the difficulty of power and electricity balance is increased, and power supply safety is affected.
Disclosure of Invention
The invention aims to provide a centralized bidding electric power trading system and method, which can effectively improve the competitive activity of market main bodies, improve the electric power trading efficiency and are beneficial to the optimal configuration of electric energy resources.
In order to achieve the purpose, the invention provides the following scheme:
a centralized bidding electric power trading system, comprising:
the auction price ranking module, auction declaration module and auction clearing module;
the auction price ranking module is used for selecting a price ranking mode and setting auction rounds; the price sequence mode is that the price of electricity is from high price to low price or the price of electricity is from low price to high price;
the auction reporting module is used for reporting the electric quantity by the power selling party or the power purchasing party;
the auction clearing module is used for sequentially clearing transaction electric quantity according to the auction round according to the electricity price order mode selected by the auction electricity price order module and the declared electric quantity transmitted by the auction declaration module.
Optionally, the method further includes:
a strike electricity price module;
the auction price ranking module is used for selecting a thermal power reference price as the auction price when the price ranking mode selected by the auction price ranking module is the price ranking from high price to low price;
the starting up power price module is also used for selecting 50% of the thermal power reference power price as the starting up power price when the power price order mode selected by the auction power price order module is the order from low price to high price.
Optionally, the method further includes:
a price gradient module;
the price gradient module is used for selecting a price gradient mode; the price gradient mode is a price gradient fixed step length or a price gradient dynamic step length; wherein the price gradient mode is that when the price gradient is fixed for a long step, the price is equally determined according to the electricity price of the beat and the electricity price limit value; and the price gradient mode is that when the price gradient is in dynamic step length, the price is determined based on the proportional relation of an arithmetic progression, an geometric progression or a Fibonacci progression.
Optionally, the method further includes:
a temporal gradient module;
the time gradient module is used for selecting an interval time gradient mode; the interval time is the time interval between auction rounds; the interval time gradient mode is interval time fixed step length and interval time dynamic step length; the interval time gradient mode is that the interval time is fixed step length, and the interval time is equally divided and determined according to the starting time and the ending time; and the interval time gradient mode is that the interval time is dynamically stepped, and the interval time is determined based on the proportional relation of an arithmetic progression, an geometric progression or a Fibonacci progression.
Optionally, the method further includes:
an information release module;
the information issuing module is used for issuing a transaction result; the transaction result comprises total transaction electric quantity, transaction electric quantity of the electricity selling party, transaction electric quantity of the electricity purchasing party, average declared price of electricity, highest declared price of electricity and lowest declared price of electricity.
The invention also provides a centralized bidding electric power transaction method, which comprises the following steps:
acquiring an electricity price order mode and an auction round; the price sequence mode is that the price of electricity is from high price to low price or the price of electricity is from low price to high price;
acquiring declared electric quantity of a power selling party or a power purchasing party;
and sequentially outputting transaction electric quantity according to the auction round according to the power price ranking mode and the reported electric quantity.
Optionally, the method of sequentially outputting the trading electric quantity according to the auction round according to the power rate order mode and the reported electric quantity specifically includes:
when the power price ranking mode is a power price ranking mode from low price to high price, sequencing the declared electric quantity according to a sequence of auction, and sequentially clearing transaction electric quantity according to an electric quantity sequencing result;
and when the electricity price ranking mode is the ranking from high price to low price, ranking according to the order of the electricity prices from low price to high price, and clearing the trading electric quantity in sequence according to the electricity price ranking result.
Optionally, the method further includes the following steps of sequentially outputting transaction electric quantity according to the auction round according to the power rate order mode and the reported electric quantity:
issuing a transaction result; the transaction result comprises total transaction electric quantity, transaction electric quantity of the electricity selling party, transaction electric quantity of the electricity purchasing party, average declared price of electricity, highest declared price of electricity and lowest declared price of electricity.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a centralized bidding electric power transaction system and a method, wherein the system comprises an auction price ranking module, an auction declaration module and an auction clearing module; the auction price ranking module is used for selecting a price ranking mode and setting auction rounds; the price of electricity is in order from high price to low price or in order from low price to high price; the auction reporting module is used for reporting the electric quantity by the power selling party or the power purchasing party; the auction clearing module is used for sequentially clearing transaction electric quantity according to the auction round according to the electricity price order mode selected by the auction electricity price order module and the declared electric quantity transmitted by the auction declaration module. The invention adopts two modes of auction electric price from low to high and auction electric price from high to low, prompts the market main body participating in bidding to continuously and step quote, reduces market force control, improves electric energy trading efficiency, solves the problem of low market bidding efficiency caused by high market force in electric power centralized trading, and is beneficial to the optimal configuration of electric energy resources.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a block diagram of a centralized bidding electric power trading system in accordance with an embodiment of the present invention;
FIG. 2 is a schematic diagram of a low-price to high-price order mode for power transaction according to an embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating an order of high price to low price for power transaction according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a centralized bidding electric power trading system and method, which can effectively improve the competitive activity of market main bodies, improve the electric power trading efficiency and are beneficial to the optimal configuration of electric energy resources.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Examples
Fig. 1 is a structural diagram of a centralized bidding electric power trading system according to an embodiment of the present invention, and as shown in fig. 1, the centralized bidding electric power trading system includes: the system comprises an auction price ranking module, an auction declaration module, an auction clearing module, a start-up price module, a price gradient module, a time gradient module and an information release module.
The auction price ranking module is used for selecting a price ranking mode and setting auction rounds; the price of electricity is in order from high price to low price or in order from low price to high price.
The auction reporting module is used for reporting the electric quantity by the power selling party or the power purchasing party.
The auction clearing module is used for sequentially clearing transaction electric quantity according to the auction round according to the electricity price order mode selected by the auction electricity price order module and the declared electric quantity transmitted by the auction declaration module.
The starting up electrovalence module is used for selecting the thermal power reference electrovalence as the starting up electrovalence when the electrovalence sequence mode selected by the auction electrovalence sequence module is the electrovalence sequence from high price to low price; the start-up electricity price module is also used for selecting 50% of the thermal power reference electricity price as the start-up electricity price when the electricity price order mode selected by the auction electricity price order module is the order from low price to high price.
The price gradient module is used for selecting a price gradient mode; the price gradient mode is a price gradient fixed step length or a price gradient dynamic step length; wherein, the price gradient mode is that when the price gradient is fixed for a long step, the price is equally divided and determined according to the electricity price of the beat and the electricity price limit value; and the price gradient mode is that when the price gradient is dynamically stepped, the price is determined based on the proportional relation of an arithmetic progression, an geometric progression or a Fibonacci progression.
The time gradient module is used for selecting an interval time gradient mode; the interval time is the time interval between auction rounds; the interval time gradient mode is interval time fixed step length and interval time dynamic step length; the interval time gradient mode is that the interval time is fixed step length, and the interval time is equally divided and determined according to the starting time and the ending time; and the interval time gradient mode is that the interval time is dynamically stepped, and the interval time is determined based on the proportional relation of an arithmetic progression, an geometric progression or a Fibonacci progression.
The information issuing module is used for issuing a transaction result; the transaction result comprises total transaction electric quantity, transaction electric quantity of the electricity selling party, transaction electric quantity of the electricity purchasing party, average declared price of electricity, highest declared price of electricity and lowest declared price of electricity.
In particular, the method comprises the following steps of,
in the process of carrying out electric power transaction, carrying out auction transaction in turns according to the sequence of low price to high price (from high to low) and a certain time interval (fixed interval or dynamic interval), reporting electricity selling or purchasing quantity of electricity by transaction participants at the electricity selling side or purchasing side according to a voluntary principle, and determining a clearing result and a winning quantity of electricity according to the auction price and the reporting quantity of electricity of related turns after the auction of multiple turns is finished.
The electric power centralized bidding transaction means that a market main body declares electric quantity and price through an electric power transaction platform, and an electric power transaction mechanism determines a final transaction object, transaction electric quantity and transaction price after considering safety constraints to clear a market.
The unilateral bidding transaction adopts a mode that an electricity purchasing party or an electricity selling party declares transaction electric quantity and electricity price, and after the electricity purchasing party or the electricity selling party declares the electric quantity and the electricity price, the transaction is determined according to the principles of price priority, capacity priority, cleaning priority and time priority.
Before the multi-round auction centralized bidding starts, an auction power price ranking module selects a ranking from high price to low price or a ranking from low price to high price, sets a power price upper limit or lower limit and sets the auction rounds.
Selecting the starting price of the multi-round auction: if the auction sequence from low price to high price is adopted, the starting price selects the 50% price level of the thermal power reference price; if the auction sequence from high price to low price is adopted, the starting price selects the thermal power reference price as the starting price, and the starting price is realized through the starting price module.
The price gradient of the multi-round auction trading method is set to be a fixed step length, the price is determined according to the equal division between the starting price and the highest (lowest) price, and the multi-round auction trading method is realized through a price gradient module.
The price gradient of the multi-round auction trading method is set to be in a dynamic step length mode, the step length amplitude has three modes of an arithmetic progression, an geometric progression and a Fibonacci progression, the electricity price is determined sequentially through the proportional relation of the arithmetic progression, the geometric progression and the Fibonacci progression according to the starting electricity price as a reference until the highest (lowest) limit price is reached, and the price gradient module is used for realizing the purpose.
The interval time between each turn of the multi-turn auction transaction method is fixed step length, the interval time is determined according to the equal division between the starting time and the ending time, and the multi-turn auction transaction method is realized through a time gradient module.
The interval time among each round of the multi-round auction trading method is dynamic step length, the step length amplitude has three modes of an arithmetic progression, an geometric progression and a Fibonacci progression, the interval time is determined by the proportional relation of the arithmetic progression, the geometric progression and the Fibonacci progression sequentially according to the starting moment as the starting point until the ending moment, and the interval time is realized by a time gradient module.
In multiple rounds of auction transactions, the electricity selling party or the electricity purchasing party only declares the electric quantity through the electricity transaction platform, but does not quote, the unit of the declared electric quantity is megawatt-hour, the declared electric quantity is an integral multiple of 10 megawatt-hour, the declaration can be adjusted in a rolling manner, and the latest declaration is used as the standard in the declaration time period.
The clearing mode when the multi-round auction takes the low-price to high-price cis-position mode is realized through the auction clearing module:
1. and sequencing the reported transaction electric quantity of each turn according to the sequence of the auction turns.
2. And sequentially discharging the transaction electric quantity according to the turn from low to high.
3. The last round of transaction organization is sorted according to capacity priority; when the capacity is the same, the clean energy is preferably sorted according to the transaction declaration time.
The multi-round auction adopts a clearing mode from a high price to a low price in an order mode:
1. the first round, the second round, … … and the Nth round, the reported electric quantity is sorted from low to high according to the electricity price.
2. And sequentially discharging the transaction electric quantity according to the turn from low to high.
3. The last round is easy to organize and is sorted according to capacity priority; when the capacities are the same, clean energy is preferred; others are ordered by transaction declaration time.
The electric power trading platform releases the trading result to the market through the information release module, including but not limited to:
1. the total electric quantity of the transaction, the transaction electric quantity of transaction participants at each electricity selling side or electricity purchasing side;
2. the transaction participants at the power selling side or the power purchasing side of the transaction report the average price of the electricity, the highest price and the lowest price of the reported electricity;
3. actually settling the average electricity price;
4. and the reason that the related unit fails to pass the safety check is provided.
The invention also provides a centralized bidding electric power transaction method, which comprises the following steps:
the method comprises the following steps: acquiring an electricity price order mode and an auction round; the price of electricity is in order from high price to low price or in order from low price to high price.
Step two: and acquiring the reported electric quantity of the power selling party or the power purchasing party.
Step three: according to the power price ranking mode and the reported electric quantity, the trading electric quantity is sequentially output according to the auction rounds; the method specifically comprises the following steps:
when the power price ranking mode is a power price ranking mode from low price to high price, the reported electric quantity is ranked according to the sequence of auction, and the trading electric quantity is cleared in sequence according to the electric quantity ranking result;
and when the electricity price ranking mode is the ranking from high price to low price, ranking according to the order of low price to high price, and clearing the trading electric quantity in sequence according to the electricity price ranking result.
Step four: issuing a transaction result; the transaction result comprises total transaction electric quantity, transaction electric quantity of the electricity selling party, transaction electric quantity of the electricity purchasing party, average declared price of electricity, highest declared price of electricity and lowest declared price of electricity.
The multi-round auction trading method is characterized in that in the process of conducting electric power trading, auction trading is conducted in rounds by using single-side trading electric quantity according to the sequence of low price to high price (from high to low) and according to a certain time interval (fixed interval or dynamic interval), a trading participant at the electricity selling side or electricity purchasing side reports electricity selling or electricity purchasing electric quantity according to a voluntary principle, and after the multi-round auction is finished, a clear result and a bid winning electric quantity are determined according to the auction electric price and the reported electric quantity of related rounds.
The basic process of the multi-round auction centralized bidding electric power transaction is that a market main body declares electric quantity and price through an electric power transaction platform, an electric power transaction mechanism considers safety constraints to carry out market clearing, and after safety check of an electric power scheduling mechanism, a final transaction object, transaction electric quantity and transaction price are determined.
And the multi-round auction centralized bidding electric power transaction is conducted through the electric power transaction platform to conduct transaction organization.
The electric power trading platform issues multi-round auction centralized bidding trading dates and related market information on the electric power trading platform 1 working day in advance. Market information includes, but is not limited to:
1. the time for opening and closing the market for the centralized bidding transaction;
2. the centralized bidding is on the scale of the cross-provincial transaction electric quantity;
3. centralized bidding and cross-provincial trading power curve requirements;
4. a bidding mode and a clearing mode of centralized bidding;
5. the situation of the remaining available transmission capacity of the key transmission channel;
6. the upper limit of the allowed reported electric quantity of the power consumer (power selling company) and the generator set;
7. transaction declaration starting and ending time and transaction clearing result announcement time;
8. publishing the centralized bid transactions allows reporting of upper and lower limits on electricity prices if necessary.
The multi-round auction centralized bidding electric power transaction adheres to the principles of equal voluntary, open and transparent, income sharing and risk sharing. The multi-round auction centralized bidding electric power trading period is divided into annual, seasonal, monthly and monthly short-term centralized bidding trading.
A multi-round auction centralized bidding method belongs to the field of electric power centralized bidding trading methods. The electric power centralized bidding transaction means that a market main body declares electric quantity and price through an electric power transaction platform, and an electric power transaction mechanism determines a final transaction object, transaction electric quantity and transaction price after considering safety constraints to clear a market.
A single-side auction power trading method is adopted in the multi-round auction centralized bidding method. The unilateral bidding transaction adopts a mode that an electricity purchasing party or an electricity selling party declares transaction electric quantity and electricity price, and after the electricity purchasing party or the electricity selling party declares the electric quantity and the electricity price, the transaction is determined according to the principles of price priority, capacity priority, cleaning priority and time priority.
The multi-round auction centralized bidding method is a continuous and complete electric power transaction technical means of sectional price auction and time-sharing electric quantity declaration, and the functions of the method are realized by establishing an electric power transaction system.
As shown in FIG. 2, when the multi-round auction takes the low-price to high-price order, the trading method and the flow are as follows:
the trading mechanism carries out the first round of auction listing, the listing electric quantity M and the price order P1.
The market main body carries out the first round of auction card picking, and only reports the electric quantity when the card picking transaction reports, but does not report the price of electricity. If the declared electric quantity Q1 is larger than or equal to the listing electric quantity M, the transaction is cleared, and the transaction is ended. If the declared charge Q1 is less than the listing charge M, then a second round of auction listing transactions is conducted.
The trading mechanism carries out a second round of auction listing, wherein the listing electric quantity M and the price order P2.
And (4) carrying out a second round of auction card picking by the market main body, and only reporting the electric quantity when the card picking transaction is reported, and not reporting the price of the electricity. If the sum of the declared electric quantity Q2 and the first round declared electric quantity Q1 is larger than or equal to the listing electric quantity M, the transaction is cleared, and the transaction is ended. And if the sum of the declared electric quantity Q2 and the first round of declared electric quantity Q1 is less than the listing electric quantity M, carrying out a third round of auction listing transaction.
And (4) the transaction mechanism carries out third-round auction listing, wherein the listing electric quantity M and the price order P3 are obtained.
The market main body carries out the third round of auction card picking, and when card picking transaction reports, only the electric quantity is reported, and the price of electricity is not reported. And if the sum of the declared electric quantity Q3, the second round declared electric quantity Q2 and the first round declared electric quantity Q1 is larger than or equal to the listing electric quantity M, clearing the transaction and ending the transaction. And if the sum of the declared electric quantity Q3, the first round declared electric quantity Q2 and the first round declared electric quantity Q1 is less than the listing electric quantity M, carrying out fourth auction listing transaction.
And (4) the transaction mechanism carries out the nth auction listing, and the listing electric quantity M and the power price Pn are ranked.
The market main body carries out the n-th auction card picking, only reports the electric quantity when the card picking transaction reports, and does not report the price of electricity. And if the sum of the declared electric quantity Qn, … …, the third round declared electric quantity Q3, the second round declared electric quantity Q2 and the first round declared electric quantity Q1 is more than or equal to the listing electric quantity M, clearing the transaction and ending the transaction.
As shown in FIG. 3, when the multi-round auction takes the high-price to low-price order, the trading method and the flow are as follows:
the electric power trading mechanism sets the number N of the listing rounds of the multi-round auction and announces the market main body participating in the trading.
And the power transaction mechanism carries out a first bidding listing, and the listing electric quantity M and the power price sequence P1.
The market main body carries out the first round of auction card picking, only declares the electric quantity when the card picking transaction is declared, does not declare the price of electricity, and declares the upper limit of the electric quantity to be the card hanging electric quantity M. If the reported electric quantity Q1 is less than or equal to 0, the transaction is cleared and the transaction is ended. If the declared charge Q1 is greater than 0, a second round of auction listing transactions is conducted.
The exchange carries out a second bidding listing, the listing electric quantity M and the electricity price sequence P2.
And (3) carrying out a second round of auction card picking by the market main body, and reporting only the electric quantity when the card picking transaction is declared, not reporting the price of electricity, wherein the upper limit of the reported electric quantity is the card hanging electric quantity M. If the reported electric quantity Q2 is less than or equal to 0, the transaction is cleared and the transaction is ended. If the declared charge Q1 is greater than 0, a third auction listing transaction is conducted.
The exchange carries out a third bidding listing, and the listing electric quantity M and the electricity price rank P3.
The market main body carries out a third round of auction card picking, only declares the electric quantity when the card picking transaction is declared, does not declare the price of electricity, and declares the upper limit of the electric quantity to be the card hanging electric quantity M. If the reported electric quantity Q3 is less than or equal to 0, the transaction is cleared and the transaction is ended. If the declared charge Q3 is greater than 0, a fourth round of auction listing transaction is conducted.
And the trading mechanism carries out Nth bidding and listing, and listing electric quantity M and the power price sequence Pn.
And (3) the market main body carries out the Nth round of auction card picking, only declares the electric quantity when the card picking transaction is declared, does not declare the price of electricity, and declares the upper limit of the electric quantity to be the card hanging electric quantity M. The transaction is cleared and the transaction is finished.
The electric power trading platform issues trading results to the market, including but not limited to:
1. the total transaction electric quantity, the transaction electric quantity of each power consumer (power selling company), power generation enterprise and power grid enterprise;
2. the average declared rates of electricity, the highest and lowest declared rates of electricity for the committed power consumers (electricity selling companies), power generation enterprises and power grid enterprises;
3. actually settling the average electricity price;
4. and the reason that the related unit fails to pass the safety check is provided.
The multi-round auction centralized trading method provided by the invention solves the problem of low market bidding efficiency caused by high market power in electric power centralized trading, and adopts two modes of auction electric price from low to high and auction electric price from high to low, so that market main bodies participating in bidding are promoted to continuously and step quote, market power control is reduced, and electric energy trading efficiency is improved.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In summary, this summary should not be construed to limit the present invention.
Claims (8)
1. A centralized bidding electric power trading system, comprising:
the auction price ranking module, auction declaration module and auction clearing module;
the auction price ranking module is used for selecting a price ranking mode and setting auction rounds; the price sequence mode is that the price of electricity is from high price to low price or the price of electricity is from low price to high price;
the auction reporting module is used for reporting the electric quantity by the power selling party or the power purchasing party;
the auction clearing module is used for sequentially clearing transaction electric quantity according to the auction round according to the electricity price order mode selected by the auction electricity price order module and the declared electric quantity transmitted by the auction declaration module.
2. The centralized bidding electric power trading system of claim 1, further comprising:
a strike electricity price module;
the auction price ranking module is used for selecting a thermal power reference price as the auction price when the price ranking mode selected by the auction price ranking module is the price ranking from high price to low price;
the starting up power price module is also used for selecting 50% of the thermal power reference power price as the starting up power price when the power price order mode selected by the auction power price order module is the order from low price to high price.
3. The centralized bidding electric power trading system of claim 2, further comprising:
a price gradient module;
the price gradient module is used for selecting a price gradient mode; the price gradient mode is a price gradient fixed step length or a price gradient dynamic step length; wherein the price gradient mode is that when the price gradient is fixed for a long step, the price is equally determined according to the electricity price of the beat and the electricity price limit value; and the price gradient mode is that when the price gradient is in dynamic step length, the price is determined based on the proportional relation of an arithmetic progression, an geometric progression or a Fibonacci progression.
4. The centralized bidding electric power trading system of claim 3, further comprising:
a temporal gradient module;
the time gradient module is used for selecting an interval time gradient mode; the interval time is the time interval between auction rounds; the interval time gradient mode is interval time fixed step length and interval time dynamic step length; the interval time gradient mode is that the interval time is fixed step length, and the interval time is equally divided and determined according to the starting time and the ending time; and the interval time gradient mode is that the interval time is dynamically stepped, and the interval time is determined based on the proportional relation of an arithmetic progression, an geometric progression or a Fibonacci progression.
5. The centralized bidding electric power trading system of claim 4, further comprising:
an information release module;
the information issuing module is used for issuing a transaction result; the transaction result comprises total transaction electric quantity, transaction electric quantity of the electricity selling party, transaction electric quantity of the electricity purchasing party, average declared price of electricity, highest declared price of electricity and lowest declared price of electricity.
6. A method for centralized bidding electric power trading, comprising:
acquiring an electricity price order mode and an auction round; the price sequence mode is that the price of electricity is from high price to low price or the price of electricity is from low price to high price;
acquiring declared electric quantity of a power selling party or a power purchasing party;
and sequentially outputting transaction electric quantity according to the auction round according to the power price ranking mode and the reported electric quantity.
7. The centralized bidding electric power transaction method according to claim 6, wherein the sequentially clearing transaction electric power according to the auction round according to the power price ranking mode and the reported electric power specifically comprises:
when the power price ranking mode is a power price ranking mode from low price to high price, sequencing the declared electric quantity according to a sequence of auction, and sequentially clearing transaction electric quantity according to an electric quantity sequencing result;
and when the electricity price ranking mode is the ranking from high price to low price, ranking according to the order of the electricity prices from low price to high price, and clearing the trading electric quantity in sequence according to the electricity price ranking result.
8. The centralized bidding electric power trading method according to claim 6, wherein after the trading electric quantity is sequentially cleared according to the auction rounds according to the power price ranking mode and the declared electric quantity, further comprising:
issuing a transaction result; the transaction result comprises total transaction electric quantity, transaction electric quantity of the electricity selling party, transaction electric quantity of the electricity purchasing party, average declared price of electricity, highest declared price of electricity and lowest declared price of electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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