CN111507679A - Operation method and system for consuming new energy of energy storage power station - Google Patents
Operation method and system for consuming new energy of energy storage power station Download PDFInfo
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Abstract
The invention provides an operation method for consuming new energy by an energy storage power station, which comprises the following steps: determining a corresponding admission application platform based on the level of the capacity of the energy storage owner; trading and settling accounts according to the trading modes of the admission application platforms corresponding to the energy storage owners; wherein, the admission application platform comprises: a peak shaving auxiliary service trading platform and a new energy spot trading platform; the method can guide the energy storage owner to select an admission application platform for transaction according to the scale grade of the power station, improve the value-added benefit and promote the open sharing and the efficient utilization of the energy storage power stations with different scale grades; the energy storage power station reaching the capacity can trade on the peak shaving auxiliary service trading platform and the new energy spot trading platform, and the value-added space of the energy storage power station is effectively improved.
Description
Technical Field
The invention belongs to the field of new energy consumption, and relates to an operation method and system for consuming new energy by an energy storage power station.
Background
A new mechanism shared by peak-shaving frequency-modulation auxiliary services in which electric energy storage participates is gradually established in China, the advantages of an electric energy storage technology in the aspect of electric peak-shaving frequency-modulation are fully exerted, and the electric energy storage system can obtain due benefits according to application effects while obtaining the identities of the auxiliary services participating in power grid peak-shaving frequency-modulation and the like. The energy storage facility is deployed at the power generation side or the power grid side, so that the problem of cross-regional stable transmission of electric power can be solved, and the consumption of new energy is direct and efficient.
The property rights of the energy storage power station generally belong to a user or a third-party investment subject, and the installation scale and the operation mode of the energy storage power station are driven by the profit demand of the investment subject, so that the energy storage resources can be effectively transferred only by constructing a proper operation method, and the aggregation effect and the multiple values of the energy storage power station in a regional power grid are fully exerted. At present, the policies suitable for the new energy consumption of the energy storage power station in China mainly comprise peak-shaving frequency-modulation auxiliary service and new energy spot-purchase transaction. In the aspect of auxiliary service policies, the definition of electric energy storage peak shaving transactions is put forward for the first time, and energy storage power stations are allowed to participate in power grid peak shaving auxiliary services.
However, the scale grades of the energy storage power stations are different, the management and control capabilities of energy storage owners on the power stations are different, the market positioning of a third-party energy storage operation platform is not clear, and the aim of consuming new energy by the energy storage power stations with different scale grades cannot be fully achieved.
Disclosure of Invention
Aiming at the defects that the existing energy storage power stations are different in scale grade, different in management and control capacity of energy storage owners on the power stations, and unclear in market positioning of a third-party energy storage operation platform, and no design method for eliminating and absorbing new energy of the energy storage power stations of different scale grades exists at present, the invention provides an operation method for eliminating and absorbing new energy of the energy storage power stations, which comprises the following steps:
determining a corresponding admission application platform based on the level of the capacity of the energy storage owner;
trading and settling accounts according to the trading modes of the admission application platforms corresponding to the energy storage owners;
wherein, the admission application platform comprises: a peak shaving auxiliary service trading platform and a new energy spot trading platform.
Preferably, the determining the corresponding admission application platform based on the level of the capacity of the energy storage owner includes:
when the capacity grade of the energy storage owner is a first grade, registering and signing a contract for hosting based on the energy storage operation platform, converging a plurality of energy storage owner energy storage resources by the energy storage operation platform, and participating in transaction when the capacity grade reaches a second grade;
when the capacity level of the energy storage owner is in a second level, the energy storage owner can register and sign a contract for hosting based on the energy storage operation platform, a plurality of energy storage owner energy storage resources are converged by the energy storage operation platform, or a corresponding admission application platform can be registered for the energy storage owner, and the transaction is carried out based on a new energy spot transaction platform;
when the capacity level of the energy storage owner is three levels, the energy storage owner can register and sign a contract for hosting based on the energy storage operation platform, a plurality of energy storage owner energy storage resources are converged by the energy storage operation platform, or a corresponding admission application platform can be registered for the energy storage owner, and the transaction is carried out based on one of a new energy spot transaction platform or a peak shaving auxiliary service transaction platform;
wherein the capacity of the first stage is less than 1 megawatt;
the capacity of the second stage is more than or equal to 1 megawatt and less than 10 megawatts;
the capacity of the third stage is more than or equal to 10 megawatts.
Preferably, after determining the corresponding admission application platform based on the level of the capacity of the energy storage owner, the method further includes:
and determining whether to register the corresponding access application platform or register and sign an energy storage operation platform for hosting based on the corresponding access application platform determined by the energy storage owner for the second level or the third level by the capacity of the energy storage owner.
Preferably, the determining whether to register the corresponding admission application platform or register and sign the energy storage operation platform hosting based on the corresponding admission application platform determined by the energy storage owner for the second level or the third level based on the own capacity of the energy storage owner includes:
energy storage information of the energy storage owner is transmitted to the corresponding access application platform to participate in transaction, a transaction mode of the corresponding access application platform is transmitted back to the energy storage owner after the transaction, and charging and discharging are controlled automatically based on the transaction mode;
utilize energy storage operation platform to register and sign contract energy storage owner information to insert energy storage operation platform with energy storage owner's energy storage information, pass by energy storage operation platform corresponding admission application platform, energy storage operation platform is given to the transaction mode of corresponding admission application platform, and energy storage operation platform is based on transaction mode control energy storage charge-discharge.
Preferably, the performing the transaction and the settlement according to the transaction mode of the admission application platform corresponding to each energy storage owner includes:
when trading is carried out based on a new energy spot trading platform, settlement is carried out according to a trading mode of the new energy spot trading platform;
and when the transaction is carried out on the basis of the peak shaving auxiliary service transaction platform, carrying out settlement according to the transaction mode of the peak shaving auxiliary service transaction platform.
Preferably, when the transaction is performed based on the new energy spot transaction platform, the settlement is performed according to the transaction mode of the new energy spot transaction platform, including:
reporting a day-ahead power price curve and day-in trading intention power of an energy storage owner based on a new energy spot trading platform;
obtaining the clear electricity price based on the day-ahead electricity price curve of the energy storage owner;
if the energy storage owner signs the energy storage operation platform, the energy storage operator firstly settles the account with the power grid operator of the energy storage operation platform and then settles the account with the energy storage owner according to the clear electricity price and the electricity consumption and electricity price curve of the energy storage power station; if the energy storage owner directly docks the new energy spot transaction platform, the energy storage owner and the power grid operator settle accounts according to the clear electricity price and the electricity consumption power curve of the energy storage power station;
wherein, the price of the clear electricity comprises: and the energy storage owner has the highest price and the new energy seller having the lowest price to make a transaction preferentially according to the average value of the price quoted by the two parties of the last transaction electric quantity with the new energy seller.
Preferably, when the peak shaving auxiliary service trading platform carries out trading, the settlement is carried out according to the trading mode of the peak shaving auxiliary service trading platform, and the settlement method comprises the following steps:
reporting transaction intention data of bilateral transaction of the energy storage owner or transaction intention data of market competition based on a peak shaving auxiliary service platform transaction platform;
acquiring a bargaining power price based on transaction intention data of bilateral transaction of the energy storage owner or transaction intention data of market competition, wherein the bargaining power price comprises bilateral negotiation power price or market clearing power price;
if the energy storage owner signs the energy storage operation platform, the energy storage operator firstly settles the account with the power grid operator of the energy storage operation platform and then settles the account with the energy storage owner by adopting a day-and-month settlement mode according to the transaction power price and the peak regulation electric quantity; if the energy storage owner directly docks the peak shaving auxiliary service trading platform, the energy storage owner settles the account with the power grid operator by adopting a day-and-night mode according to the transaction electricity price and the peak shaving electric quantity;
wherein the market offers a price for electricity in clear, comprising: the energy storage owners obtain the price of the clear electricity in the market according to the average value of the quotations of the two parties of the transaction electricity quantity of the energy storage resource purchasers, and the energy storage owners with the lowest quotation and the energy storage resource purchasers with the highest quotation have a transaction preferentially in the day.
Preferably, the transaction intention data of the bilateral transaction includes: transaction time periods, electricity prices, transaction electric power and electric quantity which are monthly and above and are checked by an electric power dispatching mechanism;
the market competitive trading interest data comprising: the day-ahead power price curve of the energy storage owner.
Preferably, when the peak shaving auxiliary service trading platform carries out trading, the settlement is carried out according to the trading mode of the peak shaving auxiliary service trading platform, further comprising:
when the energy storage system operates, based on variable power peak regulation, the market trading electric quantity income and the residual electric quantity are shared and compensated;
wherein the market trading power gain comprises: bilateral trading and market bidding revenue.
Based on the same conception, the invention provides an operation system for an energy storage power station to consume new energy, which comprises the following steps: the system comprises a platform determination module and a transaction settlement module;
the platform determination module is used for determining a corresponding admission application platform based on the level of the capacity of the energy storage owner;
the transaction settlement module is used for performing transaction and settlement according to the transaction mode of the admission application platform corresponding to each energy storage owner;
wherein, the admission application platform comprises: a peak shaving auxiliary service trading platform and a new energy spot trading platform.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention provides an operation method for consuming new energy by an energy storage power station, which comprises the following steps: determining a corresponding admission application platform based on the level of the capacity of the energy storage owner; trading and settling accounts according to the trading modes of the admission application platforms corresponding to the energy storage owners; wherein, the admission application platform comprises: a peak shaving auxiliary service trading platform and a new energy spot trading platform; the method can guide the energy storage owner to select an admission application platform for transaction according to the scale grade of the power station, improve the value-added benefit and promote the open sharing and the efficient utilization of the energy storage power stations with different scale grades;
2. according to the operation method and system for consuming new energy by the energy storage power station, the energy storage power station with capacity reaching can trade on the peak shaving auxiliary service trading platform and the new energy spot trading platform, and the value-added space of the energy storage power station is effectively improved.
Drawings
Fig. 1 is a flowchart of a method for an operation method of an energy storage power station for consuming new energy according to the present invention;
fig. 2 is a basic flow of a new energy consumption of an energy storage power station according to an embodiment of the present invention;
fig. 3 is a diagram of a design method of a transaction of an energy storage power station for consuming new energy according to an embodiment of the present invention;
fig. 4 is a diagram of an energy storage trading platform for an energy storage power station to consume new energy according to an embodiment of the present invention;
FIG. 5 is a diagram of a trade framework for electrical energy storage peak shaving according to an embodiment of the present invention;
fig. 6 is a drawing of an operation machine for cross-provincial and cross-regional new energy spot transaction according to an embodiment of the present invention;
fig. 7 is a system structure diagram of an operation system for consuming new energy by an energy storage power station according to the present invention.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings.
Example 1:
the technical scheme of the invention is as follows: an operation method for consuming new energy by an energy storage power station is divided into three levels, namely an energy storage owner, an energy storage operator and a power grid operator, is suitable for peak shaving auxiliary service and trans-provincial and trans-regional new energy spot transaction, is introduced by combining a method flow chart of fig. 1, and comprises the following specific steps:
step 1: determining a corresponding admission application platform based on the level of the capacity of the energy storage owner;
step 2: trading and settling accounts according to the trading modes of the admission application platforms corresponding to the energy storage owners;
wherein, the step 1: the corresponding admission application platform is determined based on the level of the self capacity of the energy storage owner, and the method specifically comprises the following steps:
the description is provided by combining the basic flow of the energy storage power station for consuming new energy in fig. 2, (1) if the energy storage capacity is less than 1MW (primary capacity), the energy storage owner must register, sign, and manage on the energy storage operation platform (wherein the management fee can be determined by negotiation between the energy storage operation platform and the energy storage party, if the energy storage is managed, the energy storage operation platform must guarantee the energy storage to be profitable and cover the management fee;
(2) energy storage operation platforms are distributed according to regions, and energy storage resources are converged according to the principle of district/city/province/regional power grid;
(3) if the energy storage capacity is between 1-10MW (secondary capacity), the energy storage owner can select the new energy spot transaction after the energy storage operation platform is registered, and the energy storage operation platform is connected to the new energy spot transaction platform, for example, the operation mode of the energy storage operation platform is introduced in the energy storage transaction platform diagram of the energy storage power station for consuming new energy in fig. 4. The energy storage owner can also directly butt joint the new energy spot transaction platform; then selecting self management or contract signing energy storage operation platform to host;
and self-management is carried out, the energy storage information is transmitted to the access application platform by the self-contained monitoring system, and the transaction mode of the access application platform is transmitted to the local energy storage monitoring system to automatically control charging and discharging. At the moment, the energy storage is in a local management mode;
if the management is managed, the information of the stored energy is accessed to the energy storage operation platform and is transmitted to the access application platform by the energy storage operation platform, the transaction mode of the access application platform is transmitted to the operation platform, and the operation platform controls the charging and discharging of the stored energy. At this time, the stored energy is in a remote management mode.
Step 2: trade and settlement are carried out according to the trade mode of the admission application platform corresponding to each energy storage owner, and the method specifically comprises the following steps:
(4) the new energy spot transaction process is divided into a transaction mechanism, a price mechanism and a settlement mechanism, and is introduced by combining the energy storage power station new energy consumption transaction design method diagram of fig. 3:
1) a transaction mechanism. It is divided into day-ahead transaction (96 period clearing) and day-in transaction (five period clearing). And checking and adjusting the deviation.
① the business before the day is opened on weekdays, each weekday organizes the business before the next day, and the energy storage owner (or the energy storage operator) and the new energy seller respectively declare an 'electric power-electricity price' curve;
the spot transaction is released every day in ② days, and the energy storage owner (or energy storage operator) and the new energy seller only respectively claim the transaction intention power in the day.
2) A pricing mechanism. The method can adopt the day-ahead clear electricity price, the clear electricity price in each trading period is the unified clear electricity price, the energy storage owner with the highest price report and the new energy seller with the lowest price quoted in each trading period in the day-ahead have a priority to enter into a trade, and the energy storage owner obtains the clear electricity price according to the average value of the last price quoted by both parties of the electric quantity of the trade with the new energy seller.
3) And (4) a settlement mechanism. The settlement basis is a curve of the clear electricity price and the stored energy electricity consumption power. The mode of day-to-day, day-to-month and month-to-month is adopted. If the energy storage owner signs the energy storage operation platform, the energy storage operator firstly settles the account with the power grid operator and then settles the account with the energy storage owner; if the energy storage owner directly docks the new energy spot transaction platform, the energy storage owner and the electric network operator directly settle accounts.
(5) If the energy storage capacity is larger than or equal to 10MW (three-level capacity), the energy storage owner can be docked with the new energy spot transaction platform or the peak shaving auxiliary service platform (trusteeship) after the energy storage operation platform is registered. The energy storage owner can also directly connect with a new energy spot transaction platform or a peak shaving auxiliary service platform (self-management).
(6) The energy storage peak shaving auxiliary service process is divided into a transaction mechanism, a price mechanism and a settlement mechanism.
1) A transaction mechanism. The mode of bilateral trading and re-market bidding is preferably adopted.
① the bilateral trade period is monthly and above, the energy storage owner (or energy storage operator) and energy storage resource purchaser need to consult and determine the peak shaving trade time period, electricity price and trade electric power and electric quantity in the peak shaving auxiliary service platform, and the trade is executed after being checked by the electric power dispatching mechanism;
② market bidding is declaration day ahead and calling day ahead, energy storage owner (or energy storage operator) and energy storage resource buyer submit trading intention including trading period, trading power, trading electricity quantity, trading price to the peak-shaving auxiliary service platform, the quote of energy storage owner (or energy storage operator) is sorted from low to high, the quote of energy storage resource buyer is sorted from high to low, the energy storage owner (or energy storage operator) with lowest quote and the energy storage resource buyer with highest quote are given priority to deal, the final deal price is the price of power according to the average value of quote of both parties.
2) A pricing mechanism. The price of the finished traffic electricity is adopted. The bargaining power price comprises two types of power price negotiation on two sides or clear power price on the market. The energy storage owner obtains bilateral negotiation electricity price according to mutual negotiation with the energy storage resource purchasers; the energy storage owner obtains the price of the discharged clear electricity in each trading period based on the trading intention data of the market competition; the clear electricity price of each trading period is unified clear electricity price, the energy storage owner with the lowest price report and the energy storage resource purchaser with the highest price report make a transaction preferentially in each trading period in the day, and the energy storage owner obtains the clear electricity price according to the average value of the price report of each transaction electricity quantity party of the energy storage resource purchaser;
the peak regulation mode is divided into a deep peak regulation mode and a start-stop peak regulation mode (the peak regulation is carried out by starting the machine to charge or discharging and stopping the machine). Under a deep peak regulation mode (variable power peak regulation during operation), the income of the energy storage power station comes from two parts of market transaction electric quantity income and residual electric quantity allocation compensation; the energy storage does not participate in quotation temporarily, and the start-stop peak regulation market is entered preferentially.
① market trading power gains include bilateral trading and market bidding gains ∑ trading power × into trading power prices (or negotiation power prices).
② the surplus energy apportionment compensation income means that after market trading, the stored energy still has surplus charging capacity, and is called under the condition that the power grid needs peak shaving resources, the corresponding electric quantity of the calling electric power is compensated according to the price of the outgoing clear electricity (or the price of the negotiated electricity), and the compensation expense is apportioned according to the real-time deep peak shaving compensation expense apportionment method for the auxiliary service, wherein the surplus energy apportionment compensation income is ∑, and the surplus energy × is called to invoke the compensation price.
3) And (4) a settlement mechanism. The settlement basis is peak-shaving electric quantity and transaction electric price. A day-and-night knot mode is adopted. If the energy storage owner signs the energy storage operation platform, the energy storage operator firstly settles the account with the power grid operator and then settles the account with the energy storage owner; if the energy storage owner directly docks the new energy spot transaction platform, the energy storage owner and the electric network operator directly settle accounts.
Operation framework design oriented to electric energy storage peak shaving
The energy storage power station is designed for the trade framework of electric energy storage peak shaving as shown in fig. 5. The combo is executed on a peak shaving auxiliary service trading platform, and the participating main bodies are an electric power dispatching mechanism, an electric power trading mechanism, a financial department and a sales part of a prisoner and an electric power company. The interaction mechanism of the package comprises an admission application, a transaction mode, a price mechanism and a charging settlement. The application main body is an energy storage owner or an operator, the energy storage access capacity is not less than 1 ten thousand kilowatts in principle, and the charging time is not less than 4 hours; the trading mode is divided into bilateral trading and market bidding. The bilateral transaction period is monthly or more, and transaction intentions such as transaction time interval, 15-minute electricity consumption power curve, transaction price and the like need to be submitted to the platform by both transaction parties and executed after being checked by a power dispatching mechanism; the market bidding mode is declared day ahead and called day after day, and the power dispatching mechanism is called in turn day after day from low price to high price according to the day ahead bidding result. When the power dispatching mechanism compiles a next-day power generation plan, the power generation space of the electricity energy storage transaction is reserved for new energy enterprises participating in the transaction.
The price mechanism of the set meal is formulated according to the deep peak regulation and the start-stop peak regulation respectively. Under the deep peak regulation mode, the benefit of energy storage comes from two parts of market trading electric quantity benefit and residual electric quantity allocation compensation. And referring to the energy storage peak shaving trading rules of various regions, the market quotation range of the energy storage participating peak shaving service is 0.1-0.2 yuan/kWh. Start-stop peak shaving is only implemented in Jiangsu, and the market trading rules (trial) of Power Assistant service (peak shaving) in Jiangsu stipulates that stored energy does not participate in quotation, and preferentially enters the start-stop peak shaving market. The settlement basis of the package is peak-shaving electricity quantity and price, energy saving supervision and final audit, and a day-clearing and month-closing mode is adopted.
Operation mode for cross-provincial and cross-regional new energy spot transaction
The operation mechanism of the energy storage power station for cross-provincial and cross-regional new energy spot transaction is shown in fig. 6. The set meal is executed on a new energy spot transaction platform, and the main participating bodies are a sending-end new energy power generation enterprise, a national-regulation Beijing transaction center, a sending/receiving-end power grid enterprise and the like. The interaction mechanism of the package comprises an admission application, a transaction mode, a price mechanism and a charging settlement. The application main body is an energy storage owner or an operator, the admission capacity is not less than 1 megawatt in principle, and the charging time is not limited; the transaction mode comprises daily and in-day spot-shipment transactions, wherein the daily transaction is organized according to day, the market is opened only on working days, the day-ahead transaction of the next day is organized on each working day, a buyer and a seller are required to respectively declare an 'electric power-electricity price' curve, and the minimum unit for declaring the electricity price is 10 yuan/MWh; the later opens the market every day, and at the initial stage of the market, the buyer and the seller only declare the transaction intention power in the day, and the current price of the clear electricity can be adopted. The billing and settlement mode of the set of meal is that the first day is within the second day, the second day is before the first day, and the second day is in the morning and in the evening. As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
Example 2:
in order to implement the above method, the present invention provides an operation system for energy storage power station to consume new energy, as shown in the system structure diagram of fig. 7, including: the system comprises a platform determination module and a transaction settlement module;
the platform determination module is used for determining a corresponding admission application platform based on the level of the capacity of the energy storage owner;
the transaction settlement module is used for performing transaction and settlement according to the transaction mode of the admission application platform corresponding to each energy storage owner;
wherein, the admission application platform comprises: a peak shaving auxiliary service trading platform and a new energy spot trading platform.
The platform determination module includes: the primary capacity submodule, the secondary capacity submodule and the tertiary capacity submodule;
the primary capacity submodule is used for registering and signing a contract for hosting based on the energy storage operation platform when the own capacity grade of the energy storage owner is primary, and the energy storage operation platform converges a plurality of energy storage owner energy storage resources to participate in transaction when the capacity grade of the energy storage owner reaches the secondary capacity grade;
the secondary capacity submodule is used for registering and signing a contract for hosting based on the energy storage operation platform when the own capacity level of the energy storage owner is in a secondary level, converging a plurality of energy storage owner energy storage resources by the energy storage operation platform, registering a corresponding admission application platform for the energy storage owner, and carrying out transaction based on a new energy spot transaction platform;
the three-level capacity submodule is used for registering and signing a contract for hosting based on an energy storage operation platform when the capacity level of the energy storage owner is three levels, converging a plurality of energy storage owner energy storage resources by the energy storage operation platform, registering a corresponding admission application platform for the energy storage owner, and conducting transaction based on one of a new energy spot transaction platform or a peak shaving auxiliary service transaction platform;
wherein the capacity of the first stage is less than 1 megawatt;
the capacity of the second stage is more than or equal to 1 megawatt and less than 10 megawatts;
the capacity of the third stage is more than or equal to 10 megawatts.
The transaction settlement module comprises: a spot transaction sub-module and a peak shaving transaction sub-module;
the spot transaction sub-module is used for carrying out settlement according to the transaction mode of the new energy spot transaction platform when carrying out transaction based on the new energy spot transaction platform;
and the peak shaving trading sub-module is used for carrying out settlement according to the trading mode of the peak shaving auxiliary service trading platform when trading is carried out on the peak shaving auxiliary service trading platform.
The spot transaction sub-module comprising: the system comprises a spot transaction unit, a spot transaction price unit and a spot transaction settlement unit;
the spot transaction unit declares a day-ahead power price curve and day-in transaction intention power of an energy storage owner based on a new energy spot transaction platform;
the spot transaction price unit is used for obtaining the clear price of the electricity based on the day-ahead electricity price curve of the energy storage owner;
the spot transaction settlement unit is used for settling a settlement with a power grid operator of the energy storage operation platform by the energy storage operator according to the clear electricity price and the electricity consumption and electricity price curve of the energy storage power station and then settling the settlement with the energy storage owner if the energy storage owner signs the energy storage operation platform; if the energy storage owner directly docks the new energy spot transaction platform, the energy storage owner and the power grid operator settle accounts according to the clear electricity price and the electricity consumption power curve of the energy storage power station;
wherein, the price of the clear electricity comprises: and the energy storage owner has the highest price and the new energy seller having the lowest price to make a transaction preferentially according to the average value of the price quoted by the two parties of the last transaction electric quantity with the new energy seller.
The peak shaving trading sub-module comprises: the system comprises a peak-shaving trading unit, a peak-shaving trading price unit and a peak-shaving trading settlement unit;
the peak-shaving trading unit declares trading intention data of bilateral trading of the energy storage owner or trading intention data of market competition based on a peak-shaving auxiliary service platform trading platform;
the peak shaving trading price unit obtains a bargaining power price based on trading intention data of bilateral trading of the energy storage owner or trading intention data of market competition, wherein the bargaining power price comprises bilateral negotiation power price or market clearing power price;
if the energy storage owner signs the energy storage operation platform, the peak shaving transaction settlement unit adopts a day-to-month settlement mode according to the transaction electricity price and the peak shaving electricity quantity, and the energy storage operator firstly settles with the power grid operator of the energy storage operation platform and then settles with the energy storage owner; if the energy storage owner directly docks the peak shaving auxiliary service trading platform, the energy storage owner settles the account with the power grid operator by adopting a day-and-night mode according to the transaction electricity price and the peak shaving electric quantity;
wherein the market offers a price for electricity in clear, comprising: the energy storage owners obtain the price of the clear electricity in the market according to the average value of the quotations of the two parties of the transaction electricity quantity of the energy storage resource purchasers, and the energy storage owners with the lowest quotation and the energy storage resource purchasers with the highest quotation have a transaction preferentially in the day.
The peak shaving trading sub-module further comprises: a depth peak-shaving mode unit;
the deep peak regulation mode unit is used for carrying out apportionment compensation on market transaction electric quantity income and residual electric quantity based on variable power peak regulation when the energy storage system operates;
wherein the market trading power gain comprises: bilateral trading and market bidding revenue.
The system further comprises: a management mode module;
and the management mode module determines whether to register the corresponding access application platform or register and sign the energy storage operation platform for the corresponding access application platform determined by the second level or the third level based on the self capacity of the energy storage owner.
The management mode module comprises: an autonomous management sub-module and a hosting sub-module;
the autonomous management submodule is used for transmitting energy storage information of an energy storage owner to the corresponding access application platform to participate in transaction, transmitting a transaction mode of the corresponding access application platform back to the energy storage owner after the transaction, and automatically controlling charging and discharging based on the transaction mode;
the trusteeship sub-module is used for registering and signing the energy storage owner information by using the energy storage operation platform, accessing the energy storage information of the energy storage owner into the energy storage operation platform, transmitting the energy storage operation platform to the corresponding access application platform, sending the transaction mode of the corresponding access application platform to the energy storage operation platform, and controlling energy storage charging and discharging by the energy storage operation platform based on the transaction mode.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The present invention is not limited to the above embodiments, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention are included in the scope of the claims of the present invention which are filed as the application.
Claims (10)
1. An operation method for consuming new energy by an energy storage power station is characterized by comprising the following steps:
determining a corresponding admission application platform based on the level of the capacity of the energy storage owner;
trading and settling accounts according to the trading modes of the admission application platforms corresponding to the energy storage owners;
wherein, the admission application platform comprises: a peak shaving auxiliary service trading platform and a new energy spot trading platform.
2. The method of claim 1, wherein determining the corresponding admission application platform based on the level of capacity of the energy storage owner comprises:
when the capacity grade of the energy storage owner is a first grade, registering and signing a contract for hosting based on the energy storage operation platform, converging a plurality of energy storage owner energy storage resources by the energy storage operation platform, and participating in transaction when the capacity grade reaches a second grade;
when the capacity level of the energy storage owner is in a second level, the energy storage owner can register and sign a contract for hosting based on the energy storage operation platform, a plurality of energy storage owner energy storage resources are converged by the energy storage operation platform, or a corresponding admission application platform can be registered for the energy storage owner, and the transaction is carried out based on a new energy spot transaction platform;
when the capacity level of the energy storage owner is three levels, the energy storage owner can register and sign a contract for hosting based on the energy storage operation platform, a plurality of energy storage owner energy storage resources are converged by the energy storage operation platform, or a corresponding admission application platform can be registered for the energy storage owner, and the transaction is carried out based on one of a new energy spot transaction platform or a peak shaving auxiliary service transaction platform;
wherein the capacity of the first stage is less than 1 megawatt;
the capacity of the second stage is more than or equal to 1 megawatt and less than 10 megawatts;
the capacity of the third stage is more than or equal to 10 megawatts.
3. The method of claim 2, wherein after determining the corresponding admission application platform based on the level of the energy storage owner's own capacity, further comprising:
and determining whether to register the corresponding access application platform or register and sign an energy storage operation platform for hosting based on the corresponding access application platform determined by the energy storage owner for the second level or the third level by the capacity of the energy storage owner.
4. The method of claim 3, wherein determining whether to register the corresponding admission application platform or register and sign up for energy storage operation platform hosting based on the corresponding admission application platform determined by the energy storage owner's own capacity for the second or third level comprises:
energy storage information of the energy storage owner is transmitted to the corresponding access application platform to participate in transaction, a transaction mode of the corresponding access application platform is transmitted back to the energy storage owner after the transaction, and charging and discharging are controlled automatically based on the transaction mode;
utilize energy storage operation platform to register and sign contract energy storage owner information to insert energy storage operation platform with energy storage owner's energy storage information, pass by energy storage operation platform corresponding admission application platform, energy storage operation platform is given to the transaction mode of corresponding admission application platform, and energy storage operation platform is based on transaction mode control energy storage charge-discharge.
5. The method of claim 4, wherein the conducting and settling transactions according to the transaction mode of the admission application platform corresponding to each energy storage owner comprises:
when trading is carried out based on a new energy spot trading platform, settlement is carried out according to a trading mode of the new energy spot trading platform;
and when the transaction is carried out on the basis of the peak shaving auxiliary service transaction platform, carrying out settlement according to the transaction mode of the peak shaving auxiliary service transaction platform.
6. The method of claim 5, wherein when the transaction is performed based on the new energy spot transaction platform, the settlement is performed according to a transaction mode of the new energy spot transaction platform, and the method comprises the following steps:
reporting a day-ahead power price curve and day-in trading intention power of an energy storage owner based on a new energy spot trading platform;
obtaining the clear electricity price based on the day-ahead electricity price curve of the energy storage owner;
if the energy storage owner signs the energy storage operation platform, the energy storage operator firstly settles the account with the power grid operator of the energy storage operation platform and then settles the account with the energy storage owner according to the clear electricity price and the electricity consumption and electricity price curve of the energy storage power station; if the energy storage owner directly docks the new energy spot transaction platform, the energy storage owner and the power grid operator settle accounts according to the clear electricity price and the electricity consumption power curve of the energy storage power station;
wherein, the price of the clear electricity comprises: and the energy storage owner has the highest price and the new energy seller having the lowest price to make a transaction preferentially according to the average value of the price quoted by the two parties of the last transaction electric quantity with the new energy seller.
7. The method of claim 5, wherein the settling based on the trading mode of the peak shaver assistance services trading platform when trading at the peak shaver assistance services trading platform comprises:
reporting transaction intention data of bilateral transaction of the energy storage owner or transaction intention data of market competition based on a peak shaving auxiliary service platform transaction platform;
acquiring a bargaining power price based on transaction intention data of bilateral transaction of the energy storage owner or transaction intention data of market competition, wherein the bargaining power price comprises bilateral negotiation power price or market clearing power price;
if the energy storage owner signs the energy storage operation platform, the energy storage operator firstly settles the account with the power grid operator of the energy storage operation platform and then settles the account with the energy storage owner by adopting a day-and-month settlement mode according to the transaction power price and the peak regulation electric quantity; if the energy storage owner directly docks the peak shaving auxiliary service trading platform, the energy storage owner settles the account with the power grid operator by adopting a day-and-night mode according to the transaction electricity price and the peak shaving electric quantity;
wherein the market offers a price for electricity in clear, comprising: the energy storage owners obtain the price of the clear electricity in the market according to the average value of the quotations of the two parties of the transaction electricity quantity of the energy storage resource purchasers, and the energy storage owners with the lowest quotation and the energy storage resource purchasers with the highest quotation have a transaction preferentially in the day.
8. The method of claim 7, wherein the transaction intent data for the bilateral transaction comprises: transaction time periods, electricity prices, transaction electric power and electric quantity which are monthly and above and are checked by an electric power dispatching mechanism;
the market competitive trading interest data comprising: the day-ahead power price curve of the energy storage owner.
9. The method of claim 7, wherein the settlement is based on a trading mode of a peak shaver assistance services trading platform when the peak shaver assistance services trading platform is conducting a trade, further comprising:
when the energy storage system operates, based on variable power peak regulation, the market trading electric quantity income and the residual electric quantity are shared and compensated;
wherein the market trading power gain comprises: bilateral trading and market bidding revenue.
10. An operation system of energy storage power station for absorbing new energy, comprising: the system comprises a platform determination module and a transaction settlement module;
the platform determination module is used for determining a corresponding admission application platform based on the level of the capacity of the energy storage owner;
the transaction settlement module is used for performing transaction and settlement according to the transaction mode of the admission application platform corresponding to each energy storage owner;
wherein, the admission application platform comprises: a peak shaving auxiliary service trading platform and a new energy spot trading platform.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112952918A (en) * | 2021-03-23 | 2021-06-11 | 国网山西省电力公司 | Electric power peak regulation and frequency modulation combined clearing method based on marginal benefit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112952918A (en) * | 2021-03-23 | 2021-06-11 | 国网山西省电力公司 | Electric power peak regulation and frequency modulation combined clearing method based on marginal benefit |
| CN112952918B (en) * | 2021-03-23 | 2023-04-14 | 国网山西省电力公司 | Electric power peak regulation and frequency modulation combined clearing method based on marginal benefit |
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