CN115358763A - Multi-variety auxiliary service joint compensation method, system, terminal and computer-readable storage medium considering opportunity cost - Google Patents
Multi-variety auxiliary service joint compensation method, system, terminal and computer-readable storage medium considering opportunity cost Download PDFInfo
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Abstract
The invention discloses a multi-variety auxiliary service joint compensation method, a system, a terminal and a computer readable storage medium considering opportunity cost, wherein the method comprises the following steps: calculating the single compensation cost of frequency modulation, peak regulation and standby auxiliary service of the main body; calculating the unit price of frequency modulation, peak regulation and spare unit capacity compensation in each time interval; calculating the peak shaving or standby opportunity cost compensation cost of the frequency modulation main body in each time period, and calculating the frequency modulation opportunity cost compensation cost of the frequency modulation main body in each time period; and (4) according to the auxiliary service single compensation expense and the opportunity cost compensation expense, counting the total compensation expense of the auxiliary service on the operation day, and determining the final auxiliary service income of each main body through the compensation correction coefficient. The invention improves the enthusiasm of the main body for participating in the auxiliary service supply by the combined compensation of auxiliary services such as frequency modulation, peak shaving, standby and the like.
Description
Technical Field
The invention belongs to the technical field of power system scheduling, and relates to a multi-variety auxiliary service joint compensation method, a multi-variety auxiliary service joint compensation system, a multi-variety auxiliary service joint compensation terminal and a computer-readable storage medium considering opportunity cost.
Background
According to a temporary method for auxiliary service management of a grid-connected power plant published in 2006, matching implementation rules are formulated by combining the characteristics of a local power system in each region, and various auxiliary services such as peak regulation, frequency modulation and standby are compensated under the regulations of the implementation rules. In 2021, a power auxiliary service management method was further issued, which adjusts relevant contents according to the construction requirements of a novel power system. Under the background of market reformation of the current electric power system in China, various regions combine the operation characteristics and the actual requirements of an electric power system to develop market construction exploration work of electric power auxiliary services while the auxiliary service management method is continuously perfected, corresponding electric power auxiliary service markets are established mainly around provincial and regional electric power peak regulation, frequency modulation, standby and other auxiliary service varieties, and market construction of two or more auxiliary service varieties is established in partial regions.
However, the compensation of the regions for marketization or non-marketization of the power-assisted services is decoupled from the variety to the variety. In fact, it is difficult for the auxiliary service providing body to provide a plurality of auxiliary services at the same time. For a provisioning subject, particularly in a market environment, the subject presents a selection decision problem that assists in service market participation. In some regions, the degree of marketization of each type of auxiliary service is not always sufficient, and thus the main subject may prefer to provide the auxiliary service. For example, if the peak-shaving auxiliary service compensation degree in a certain area is greater, the main body participates in peak shaving as much as possible, and the situation that the main body participates in the frequency modulation market and the frequency modulation price is high and the like is caused because a higher price is declared in the frequency modulation auxiliary service market to avoid winning the bid.
Under the background of construction of a novel power system, large-scale grid-connected consumption of new energy influences safe and stable operation of the power system, and a compensation mode of power auxiliary service needs to be perfected so as to stimulate more main bodies to participate in system regulation and ensure stable supply of power by providing auxiliary service.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a multi-variety auxiliary service joint compensation method, a system, a terminal and a computer readable storage medium which consider opportunity cost, and the enthusiasm of a main body participating in auxiliary service supply is promoted by joint compensation of auxiliary services such as frequency modulation, peak shaving, standby and the like.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a multi-variety auxiliary service joint compensation method considering opportunity cost comprises the following steps:
step 1: according to the frequency modulation mileage, peak-shaving capacity and standby capacity of each auxiliary service main body in each scheduling time period, combining the frequency modulation, peak shaving and standby prices of corresponding time periods, calculating the single compensation cost of the main body for frequency modulation, peak shaving and standby auxiliary services;
step 2: calculating the compensation unit price of frequency modulation, peak regulation and spare unit capacity in each time period according to the frequency modulation, peak regulation and spare auxiliary service single compensation cost of each main body;
and step 3: based on the unit capacity compensation unit price, calculating corresponding opportunity cost compensation cost according to the auxiliary service type participated by the main body;
and 4, step 4: and (4) according to the auxiliary service single compensation cost and the opportunity cost compensation cost, counting the total compensation cost of the auxiliary service on the operation day, and determining the final auxiliary service income of each main body by setting a compensation correction coefficient.
The invention further comprises the following preferred embodiments:
preferably, in step 1, for a capacity of C i Main body U of (1) i The frequency modulation mileage provided by the scheduling time t is L i,t Peak shaving capacity of P i,t Spare capacity of R i,t The frequency modulation, peak regulation and standby price of the time period are respectively
Then main body U i Frequency modulation single compensation charge in time period t
Peak shaving individual compensation charge
And spare individual compensation charge
Respectively as follows:
wherein f is i,t Is a main body U i Frequency modulation performance index in time period t;
L i,t 、P i,t 、R i,t and the integral statistics values of the frequency modulation mileage, the peak modulation capacity and the reserve capacity in the corresponding scheduling time of the time period t are respectively.
Preferably, the standby price is a clearing price of a power auxiliary service market or a preset compensation unit price;
the main body comprises a peak shaving unit, a frequency modulation unit, a standby unit and other main bodies for providing peak shaving, frequency modulation and standby auxiliary services.
Preferably, in step 1, L i,t 、P i,t 、R i,t And only one number is a positive real number other than 0, i.e., the main body providing one auxiliary service loses the opportunity to provide other auxiliary services, thereby incurring opportunity cost.
Preferably, in step 2, for the time period t, if the subject providing the fm auxiliary service has the time period t
An auxiliary service body providing peak shaving has
An auxiliary service agent for providing standby has
Unit price compensation for frequency modulation unit capacity of time interval
Peak load per unit compensation unit price
And spare unit capacity compensation unit price
Respectively as follows:
wherein, C i Is a main body U i The capacity of the electric power transmission device is,
and
are respectively a main body U i The frequency modulation single compensation cost, the peak modulation single compensation cost and the standby single compensation cost in the time period t.
Preferably, in step 3, if the main body provides the fm service in time period t, opportunity cost compensation needs to be performed on the main body for peak shaving or standby, and the calculation formula of the auxiliary service opportunity cost compensation cost of the main body is as follows:
if the main body provides peak shaving or standby service in the time period t, opportunity cost compensation needs to be carried out on the frequency modulation auxiliary service of the main body, and the opportunity cost compensation cost of the auxiliary service of the main body is as follows:
wherein λ is L 、λ P 、λ R An opportunity cost factor;
C i is a main body U i The capacity of the electric power transmission device is,
and
are respectively a main body U i The unit price for compensating the frequency modulation unit capacity, the unit price for compensating the peak modulation unit capacity and the unit price for compensating the spare unit capacity in the time period t.
Preferably, step 4 comprises:
step 4.1: and (3) according to the compensation cost of the auxiliary service single item and the compensation cost of the opportunity cost, counting the total auxiliary service compensation cost on the operation day:
wherein N is the total number of the main body, and T is the total number of the time periods;
and 4.2: setting a compensation correction coefficient epsilon;
step 4.3: the compensation adjustment coefficient epsilon corrects the cost of the subject for the subject U i And obtaining the final total income of the electric power auxiliary service as follows:
wherein the content of the first and second substances,
and
are respectively a main body U i Frequency modulation single compensation cost, peak regulation single compensation cost and standby single compensation cost in a time period t;
Preferably, in step 4.2, the compensation adjustment coefficient epsilon is determined by setting an upper limit of the total compensation cost of the auxiliary service market for a single day.
Preferably, in step 4.2, the compensation adjustment coefficient ∈ is set to:
The invention also provides a multi-variety auxiliary service joint compensation system considering opportunity cost, which is used for realizing the multi-variety auxiliary service joint compensation method, and the system comprises a data integration module, a compensation charge calculation module and a human-computer interaction module;
the data integration module is used for reading and integrating various data required by compensation expense calculation through data interaction with an electric power auxiliary service market and an electric power dispatching control system;
the compensation cost calculation module is used for calculating the auxiliary service single compensation cost, the unit capacity compensation unit price, the opportunity cost compensation cost and the final auxiliary service income respectively according to the auxiliary service joint compensation method based on various data information of the data integration module;
and the human-computer interaction module is used for realizing visual display of various expense information and manual adjustment and setting of various expense calculation parameters in a histogram, line graph or table mode.
The invention also provides a terminal, which comprises a processor and a storage medium, wherein the storage medium is used for storing instructions;
the processor is configured to operate in accordance with the instructions to perform the steps of the method.
The invention also provides a computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method.
Compared with the prior art, the invention has the beneficial effects that:
under the existing electric power auxiliary service market and related detailed rules, the opportunity cost generated when the main body cannot provide other electric power auxiliary services due to the fact that one electric power auxiliary service is provided is considered, combined compensation for frequency modulation, peak shaving and standby auxiliary services is achieved through compensation calculation of the opportunity cost of the main body of the auxiliary service in the step 3, meanwhile, the bearing capacity of the main body is allocated to the market, a market cost adjusting coefficient is introduced, namely the setting of the compensation adjusting coefficient considering the bearing capacity of the main body is considered in the step 4, the final auxiliary service income of each main body is determined, and the control of the total scale of the compensation cost of the auxiliary service market is achieved. By the method, on one hand, compensation cost difference among different auxiliary service varieties is balanced, and the tendency of a main body to participate in auxiliary service supply is reduced; on the other hand, the benefit of the main body for providing the electric auxiliary service can be improved to a certain extent, and the enthusiasm of the main body for providing the auxiliary service is improved.
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FIG. 1 is a flowchart of a multi-item supplementary service joint compensation method considering opportunity cost according to an embodiment of the present invention.
FIG. 2 is an architecture diagram of a multi-item assisted services joint compensation system in accordance with an embodiment of the present invention that considers opportunity cost.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described clearly and completely in the following with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described herein are only some embodiments of the invention, and not all embodiments. All other embodiments obtained by a person skilled in the art without any inventive step based on the spirit of the present invention are within the scope of the present invention.
As shown in fig. 1, embodiment 1 of the present invention provides a method for joint compensation of multiple varieties of supplementary services considering opportunity cost, which, in a preferred but non-limiting embodiment of the present invention, comprises:
step 1: calculating the single compensation cost of frequency modulation, peak regulation and standby auxiliary service of the auxiliary service main body;
according to the frequency modulation mileage, peak-shaving capacity and standby capacity of each auxiliary service main body in each scheduling time period, combining the frequency modulation, peak shaving and standby prices of corresponding time periods, calculating the single compensation cost of the main body for frequency modulation, peak shaving and standby auxiliary services;
the main body comprises a peak regulation unit, a frequency modulation unit and a standby unit, and also comprises other main bodies which provide peak regulation, frequency modulation and standby auxiliary services, such as novel energy storage, pumped storage and the like.
The standby price is a clearing price of the power auxiliary service market or a compensation unit price under the regulation of 'two rules'.
Further preferably, for a capacity of C i (the capacity is the rated capacity for the unit, and the maximum charging power for the stored energy) of the main unit U i The frequency modulation mileage provided by the scheduling time t is L i,t Peak shaving capacity of P i,t Spare capacity of R i,t The frequency modulation, peak regulation and reserve price of the time interval are respectively
Then the main body U i Frequency modulation single compensation charge in time period t
Peak shaving individual compensation cost
And spare single compensation charge
Respectively as follows:
wherein, f i,t Is a main body U i Frequency modulation performance index in time period t; the specific index calculation method is determined by each local rule and is generally a normalization coefficient related to the frequency modulation rate, the frequency modulation precision and the response time;
time period t represents a scheduling time period, typically 15 minutes;
L i,t 、P i,t 、R i,t and the integral statistics of the frequency modulation mileage, the peak regulation capacity and the reserve capacity in 15 minutes corresponding to the time period t are respectively obtained.
In fact, the main body cannot provide two or more auxiliary services at the same time during the same time period, so L i,t 、P i,t 、R i,t And only one number is a positive real number other than 0, i.e., the main body providing one auxiliary service loses the opportunity to provide other auxiliary services, thereby incurring opportunity cost. The standby auxiliary service refers to the power generation capacity of a main body by reserving a certain capacity during the normal standby tension periodThe peak shaving auxiliary service is a service provided by the power generation main body when the load is in a low-trough period through reducing the output to be lower than the uneconomical load rate, so that the peak shaving and the standby auxiliary service do not compensate at the same time.
Step 2: calculating the unit price of frequency modulation, peak regulation and spare unit capacity compensation in each time interval;
calculating the compensation unit price of frequency modulation, peak regulation and spare unit capacity in each time period according to the frequency modulation, peak regulation and spare auxiliary service single compensation cost of each main body;
it is further preferred that for time period t, if the subject providing fm auxiliary service has the same subject as the fm auxiliary service during the time period t
An auxiliary service agent providing peak shaving has
A main auxiliary service body providing a standby service has
Unit price compensation for frequency modulation unit capacity of time interval
Peak-shaving unit volume compensation unit price
And spare unit capacity compensation unit price
Respectively as follows:
and step 3: calculating the main body auxiliary service opportunity cost compensation expense;
based on the unit capacity compensation unit price, calculating corresponding opportunity cost compensation cost according to the auxiliary service type participated by the main body;
calculating the peak shaving or standby opportunity cost compensation cost of the frequency modulation main body in each time period, and calculating the frequency modulation opportunity cost compensation cost of the frequency modulation main body in each time period;
further preferably, if the main body provides the fm service in the time period t, the opportunity cost compensation needs to be performed on the peak shaving or standby of the main body, the opportunity cost reflects the reduced benefit of the main body providing the fm service and losing the peak shaving or standby service, the unit capacity benefit can be expressed by the corresponding peak shaving or standby average unit capacity compensation unit price, and therefore, the calculation formula of the auxiliary service opportunity cost compensation cost of the main body is as follows:
if the main body provides the peak shaving or standby service in the time period t, the opportunity cost compensation needs to be carried out on the frequency modulation auxiliary service of the main body, and similarly, the auxiliary service opportunity cost compensation cost of the main body is as follows:
wherein λ is L 、λ P 、λ R The opportunity cost coefficient can be determined according to the total disc size compensated by historical frequency modulation, peak shaving and standby single auxiliary service. For example, if the peak shaving or backup auxiliary service compensation is large in a certain area, the frequency modulation opportunity cost coefficient can be set to a relatively large number to ensure that the frequency modulation service total cost is balanced with the sum of other auxiliary service costs.
Combining the description about the standby auxiliary service and the peak shaving auxiliary service in the step 1, according to the current market rules of all places, when the peak shaving market is started, the general situation belongs to the load valley stage, the system standby capacity is sufficient, and in this situation, only the peak shaving compensation is carried out on the market main body without the standby compensation; the situation is reversed when the standby market is started. Therefore, the present invention does not provide any more peak shaving service for the main body in the time period t, calculate the frequency modulation or standby opportunity cost compensation cost of the main body, and calculate the frequency modulation or peak shaving opportunity cost compensation cost of the main body in the time period t, because these two cases do not exist in general. Step 3 is described directly with either standby or peak shaving.
And 4, step 4: final ancillary service revenue for each subject is determined.
And (4) counting the total compensation cost of the auxiliary service on the operation day, and determining the actual final auxiliary service income of each main body through the compensation correction coefficient.
Further preferably, the total auxiliary service compensation charge on the operation day is firstly counted:
where N is the total number of subjects and T is the total number of time periods, typically 96.
At present, for most areas, the compensation cost of the electric power auxiliary service is shared by grid-connected power generation enterprises, including traditional coal power, gas power, new energy and the like. In order to avoid higher auxiliary service compensation cost caused by compensation of opportunity cost and increase the apportionment pressure of new energy enterprises, a compensation adjustment coefficient epsilon can be introduced to correct the cost of each main body. The compensation adjustment coefficient can be calculated by setting the upper limit of the total compensation cost of the auxiliary service market for a single day. If the upper limit of the single-day compensation total cost of the auxiliary service market is set to be
Then:
the compensation adjustment coefficients are for all market entities, all auxiliary service varieties. It is understood that the whole system has only one compensation adjustment coefficient on a certain natural day.
Thus, for the main body U i And the final total yield of the electric power auxiliary service is as follows:
by using the method, when the total cost of the auxiliary service market exceeds the set upper limit
The compensation charge of the auxiliary service of each main body is adjusted by introducing the compensation adjustment coefficient, and the total compensation charge is controlled not to exceed
And further ensuring that the apportionment cost of the auxiliary service apportionment main body is within a certain bearing range.
As shown in fig. 2, an embodiment 2 of the present invention provides a multi-variety auxiliary service joint compensation system considering opportunity cost, for implementing the multi-variety auxiliary service joint compensation method, where the system includes a data integration module, a compensation cost calculation module, and a human-computer interaction module;
the data integration module is used for reading and integrating various data required by compensation expense calculation through data interaction with related systems such as an electric power auxiliary service market and an electric power dispatching control system;
the data integration module is a module for interacting and managing various data of the system, and reads and stores various data such as frequency modulation mileage, frequency modulation price, peak modulation capacity, peak modulation price, standby capacity, standby price and the like required by the auxiliary service compensation cost calculation to the system in a data file interface, a source database and the like.
The compensation cost calculation module is used for calculating the auxiliary service single compensation cost, the unit capacity compensation unit price, the opportunity cost compensation cost and the final auxiliary service income respectively according to the auxiliary service joint compensation method based on various data information of the data integration module;
the compensation charge calculation module is a core module of the system. And calculating the auxiliary service compensation expense of each main body by a multi-variety auxiliary service joint compensation method considering opportunity cost.
And the human-computer interaction module is used for realizing visual display of various expense information in modes of a histogram, a line graph, a table and the like and supporting manual adjustment and setting of various expense calculation parameters.
The man-machine interaction module is used for visualizing the main cost, counting and displaying the cost information, setting parameters and the like;
the main body expense visual display adopts the display modes of single compensation expense, opportunity cost compensation expense and total compensation expense of various auxiliary services of each main body, such as a histogram, a curve, a table and the like; the cost information statistics display adopts a visual display of relevant statistical information such as the structure of the total cost of the market, the compensation cost of each variety of auxiliary services, the compensation total cost of each main body auxiliary service and the proportion thereof, and the parameter setting adopts a manual setting mode of the single-day compensation total cost upper limit, the compensation adjustment coefficient and the compensation coefficient of the opportunity cost of each variety of auxiliary services in the auxiliary service market.
Embodiment 3 of the present invention provides a terminal, including a processor and a storage medium, where the storage medium is used to store instructions;
the processor is configured to operate according to the instructions to perform the steps of the multi-item supplementary service joint compensation method.
Embodiment 4 of the present invention provides a computer-readable storage medium on which a computer program is stored, which when executed by a processor, performs the steps of the method for joint compensation of multiple varieties supplementary services.
The beneficial effects of the invention are that compared with the prior art:
under the existing electric power auxiliary service market and relevant detailed rules, the opportunity cost generated when other electric power auxiliary services cannot be provided due to the fact that the main body provides one electric power auxiliary service is considered, the combined compensation of frequency modulation, peak shaving and standby auxiliary services is achieved, on one hand, the compensation cost difference among different auxiliary service varieties is balanced, and the tendency of the main body to participate in auxiliary service supply is reduced; on the other hand, the benefit of the main body for providing the electric auxiliary service can be improved to a certain extent, and the enthusiasm of the main body for providing the auxiliary service is improved.
The present disclosure may be systems, methods, and/or computer program products. The computer program product may include a computer-readable storage medium having computer-readable program instructions embodied thereon for causing a processor to implement various aspects of the present disclosure.
The computer readable storage medium may be a tangible device that can hold and store the instructions for use by the instruction execution device. The computer readable storage medium may be, for example, but not limited to, an electronic memory device, a magnetic memory device, an optical memory device, an electromagnetic memory device, a semiconductor memory device, or any suitable combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), a Static Random Access Memory (SRAM), a portable compact disc read-only memory (CD-ROM), a Digital Versatile Disc (DVD), a memory stick, a floppy disk, a mechanical coding device, such as punch cards or in-groove projection structures having instructions stored thereon, and any suitable combination of the foregoing. Computer-readable storage media as used herein is not to be construed as transitory signals per se, such as radio waves or other freely propagating electromagnetic waves, electromagnetic waves propagating through a waveguide or other transmission medium (e.g., optical pulses through a fiber optic cable), or electrical signals transmitted through electrical wires.
The computer-readable program instructions described herein may be downloaded from a computer-readable storage medium to a respective computing/processing device, or to an external computer or external storage device via a network, such as the internet, a local area network, a wide area network, and/or a wireless network. The network may include copper transmission cables, fiber optic transmission, wireless transmission, routers, firewalls, switches, gateway computers and/or edge servers. The network adapter card or network interface in each computing/processing device receives the computer-readable program instructions from the network and forwards the computer-readable program instructions for storage in a computer-readable storage medium in the respective computing/processing device.
The computer program instructions for carrying out operations of the present disclosure may be assembler instructions, instruction Set Architecture (ISA) instructions, machine-related instructions, microcode, firmware instructions, state setting data, or source or object code written in any combination of one or more programming languages, including an object oriented programming language such as Smalltalk, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The computer-readable program instructions may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the latter scenario, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider). In some embodiments, the electronic circuitry that can execute the computer-readable program instructions implements aspects of the present disclosure by utilizing the state information of the computer-readable program instructions to personalize the electronic circuitry, such as a programmable logic circuit, a Field Programmable Gate Array (FPGA), or a Programmable Logic Array (PLA).
Various aspects of the present disclosure are described herein with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the disclosure. It will be understood that each block of the flowchart illustrations and/or block diagrams, and combinations of blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer-readable program instructions.
These computer-readable program instructions may be provided to a processor of a general purpose computer, special purpose computer, 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/acts specified in the flowchart and/or block diagram block or blocks. These computer readable program instructions may also be stored in a computer readable storage medium that can direct a computer, programmable data processing apparatus, and/or other devices to function in a particular manner, such that the computer readable medium storing the instructions comprises an article of manufacture including instructions which implement the function/act specified in the flowchart and/or block diagram block or blocks.
The computer readable program instructions may also be loaded onto a computer, other programmable data processing apparatus, or other devices to cause a series of operational steps to be performed on the computer, other programmable apparatus or other devices to produce a computer implemented process such that the instructions which execute on the computer, other programmable apparatus or other devices implement the functions/acts specified in the flowchart and/or block diagram block or blocks.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of instructions, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (12)
1. A multi-variety auxiliary service joint compensation method considering opportunity cost is characterized in that:
the method comprises the following steps:
step 1: calculating the single compensation cost of the main body for frequency modulation, peak regulation and standby auxiliary service according to the frequency modulation mileage, the peak regulation capacity and the standby capacity of each auxiliary service main body in each scheduling time period and by combining the frequency modulation, the peak regulation and the standby price in the corresponding time period;
and 2, step: calculating the compensation unit price of frequency modulation, peak regulation and spare unit capacity in each time period according to the frequency modulation, peak regulation and spare auxiliary service single compensation cost of each main body;
and step 3: based on the unit capacity compensation unit price, calculating corresponding opportunity cost compensation cost according to the auxiliary service type participated by the main body;
and 4, step 4: and according to the auxiliary service single compensation expense and the opportunity cost compensation expense, counting the total compensation expense of the auxiliary service on the operation day, setting a compensation correction coefficient, and determining the final auxiliary service income of each main body.
2. The method of claim 1, wherein the method comprises the following steps:
in step 1, for a capacity of C i Main body U of i If the frequency modulation mileage provided by the scheduling time t is L i,t Peak shaving capacity of P i,t Spare capacity of R i,t The frequency modulation, peak regulation and standby price of the time period are respectively
Then the main body U i Frequency modulation single compensation charge in time period t
Peak shaving individual compensation cost
And spare individual compensation charge
Respectively as follows:
wherein f is i,t Is a main body U i Frequency modulation performance index in time period t;
L i,t 、P i,t 、R i,t and the integral statistics values of the frequency modulation mileage, the peak modulation capacity and the reserve capacity in the corresponding scheduling time of the time period t are respectively.
3. The method of claim 2, wherein the method comprises the following steps:
the standby price is a clearing price of the power auxiliary service market or a preset compensation unit price;
the main body comprises a peak shaving unit, a frequency modulation unit, a standby unit and other main bodies for providing peak shaving, frequency modulation and standby auxiliary services.
4. The method of claim 2, wherein the method comprises the following steps:
in step 1, L i,t 、P i,t 、R i,t And only one number is a positive real number other than 0, i.e., the main body providing one auxiliary service loses the opportunity to provide other auxiliary services, thereby incurring opportunity cost.
5. The method for joint compensation of multi-item supplementary services considering opportunity cost according to claim 1, wherein:
in step 2, for time period t, if the subject providing the FM auxiliary service has the main subject
An auxiliary service body providing peak shaving has
An auxiliary service agent for providing standby has
The unit price of compensating the frequency modulation unit capacity of the time interval
Peak-shaving unit volume compensation unit price
And spare unit capacity compensation unit price
Respectively as follows:
wherein, C i Is a main body U i The capacity of the electric power transmission device is,
and
are respectively a main body U i Frequency modulation single compensation cost, peak regulation single compensation cost and standby single compensation cost in the time period t.
6. The method of claim 1, wherein the method comprises the following steps:
in step 3, if the main body provides the frequency modulation service in the time period t, opportunity cost compensation needs to be performed on peak modulation or standby of the main body, and a calculation formula of the auxiliary service opportunity cost compensation cost of the main body is as follows:
if the main body provides peak shaving or standby service in the time period t, opportunity cost compensation needs to be carried out on the frequency modulation auxiliary service of the main body, and the opportunity cost compensation cost of the auxiliary service of the main body is as follows:
wherein λ is L 、λ P 、λ R An opportunity cost coefficient;
C i is a main body U i The capacity of the electric power transmission device is,
and
are respectively a main body U i The unit price for compensating the frequency modulation unit capacity, the unit price for compensating the peak modulation unit capacity and the unit price for compensating the spare unit capacity in the time period t.
7. The method of claim 6, wherein the method comprises:
step 4 comprises the following steps:
step 4.1: and (3) according to the compensation cost of the auxiliary service single item and the compensation cost of the opportunity cost, counting the total auxiliary service compensation cost on the operation day:
wherein N is the total number of the main body, and T is the total number of the time periods;
step 4.2: setting a compensation correction coefficient epsilon;
step 4.3: the compensation adjustment coefficient epsilon corrects the cost of the subject for the subject U i And obtaining the final total income of the electric power auxiliary service as follows:
wherein the content of the first and second substances,
and
are respectively a main body U i Frequency modulation single compensation cost, peak regulation single compensation cost and standby single compensation cost in a time period t;
8. The method of claim 7, wherein the method comprises:
in step 4.2, a compensation adjustment coefficient epsilon is determined by setting an upper limit of the total daily compensation cost of the auxiliary service market.
9. The method of claim 7, wherein the method comprises:
in step 4.2, the compensation adjustment coefficient epsilon is set as:
10. A multi-item supplementary service joint compensation system considering opportunity cost, which is used for realizing the multi-item supplementary service joint compensation method according to any one of claims 1 to 9, and is characterized in that:
the system comprises a data integration module, a compensation charge calculation module and a human-computer interaction module;
the data integration module is used for reading and integrating various data required by compensation expense calculation through data interaction with an electric power auxiliary service market and an electric power dispatching control system;
the compensation cost calculation module is used for calculating the auxiliary service single compensation cost, the unit capacity compensation unit price, the opportunity cost compensation cost and the final auxiliary service income respectively according to the auxiliary service joint compensation method based on various data information of the data integration module;
and the human-computer interaction module is used for realizing visual display of various expense information and manual adjustment and setting of various expense calculation parameters in a histogram, line graph or table mode.
11. A terminal comprising a processor and a storage medium, characterized in that:
the storage medium is used for storing instructions;
the processor is configured to operate in accordance with the instructions to perform the steps of the method according to any one of claims 1 to 9.
12. Computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 9.
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