CN112434967A - Electric power market online monitoring method and system for market force control - Google Patents

Electric power market online monitoring method and system for market force control Download PDF

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CN112434967A
CN112434967A CN202011425973.1A CN202011425973A CN112434967A CN 112434967 A CN112434967 A CN 112434967A CN 202011425973 A CN202011425973 A CN 202011425973A CN 112434967 A CN112434967 A CN 112434967A
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郑伟
梁志远
王宣定
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Guangdong Electric Power Transaction Center Co ltd
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Abstract

The invention discloses an electric power market online monitoring method for market force control, which comprises the following steps: acquiring declaration data from a plurality of power generation main bodies; calling market force monitoring indexes, and judging whether declaration data corresponding to each power generation main body meets the market force monitoring indexes; recording the power generation main bodies of which the declaration data do not meet the market force monitoring index in an abnormal list, and collecting the reference quotation of each power generation main body in the abnormal list; obtaining a simulated clearing price through the first simulated clearing; obtaining a reference clearing price through secondary clearing simulation; and estimating the market force of each power generation main body in the abnormal list based on the simulated clearing price and the reference clearing price. The invention provides an electric power market online monitoring method and system for market force control, which are used for distinguishing market force behaviors of different degrees and measuring and calculating market force through an online monitoring system.

Description

Electric power market online monitoring method and system for market force control
Technical Field
The invention relates to the technical field of power systems, in particular to an on-line monitoring method and system for a power market for market force control.
Background
Market forces, also known as market forces, represent the ability of a generator to change market prices away from the price levels that the market has in fully competitive situations.
The phenomenon of market power abuse of a power generator is an important factor for restricting the continuous and healthy development of the power market, so that the market power risk problem of the current power market is more prominent. Before the electric power spot market is put into test and reformed, the market force risk problem is managed and controlled by administrative planning means such as power price making by the government, general purchasing and general marketing. However, in the current electric power spot market, node electricity price is closely related to grid blockage, grid operation condition, market subject behavior and the like, so that the market clearing mechanism is more complicated, and therefore, the administrative planning means cannot cope with the complicated market clearing mechanism, and the high-frequency spot trading behavior also provides the market subject with the opportunity of market abuse. In response to the current situation, a new means is needed to support power market monitoring and management.
Disclosure of Invention
In order to solve the technical problems, the invention provides an electric power market online monitoring method and system for market force control, which are used for distinguishing market force behaviors of different degrees and measuring and calculating market force through an online monitoring system. The technical scheme is as follows:
in a first aspect, an embodiment of the present invention provides an online monitoring method for a power market for market force control, including:
acquiring declaration data from a plurality of power generation main bodies;
calling market force monitoring indexes, and judging whether declaration data corresponding to each power generation main body meets the market force monitoring indexes;
recording the power generation main bodies of which the declaration data do not meet the market force monitoring index in an abnormal list, and collecting the reference quotation of each power generation main body in the abnormal list;
inputting real quoted prices of all power generation main bodies, and operating simulated power spot market clearing according to set boundary conditions to obtain simulated clearing prices;
replacing real quoted prices of the power generation main bodies in the abnormal list with reference quoted prices one by one, and operating simulated power spot market clearing under the boundary condition to obtain a reference clearing price corresponding to each power generation main body in the abnormal list;
based on the simulated clearing price and the reference clearing price, estimating the market force of each power generation main body in the abnormal list in the following estimation mode:
Figure BDA0002824540770000021
wherein, IMarket force testRepresenting the estimated market forces; pSimulating out clearRepresenting a simulated clearing price; pStandard clear ofIndicating a baseline clearing price.
In a first possible implementation manner of the first aspect of the present invention, a market force monitoring index is called and whether declared data corresponding to each power generation main body satisfies the market force monitoring index is determined, which specifically includes:
selecting market force monitoring indexes to build a market force monitoring index system;
evaluating declaration data provided by a power generation main body by utilizing the market force monitoring index system;
if the declared data do not meet one or more market force monitoring indexes, judging that a power generation main body corresponding to the declared data cannot pass the audit of the market force monitoring index system; and on the contrary, if the declared data meet the market force monitoring indexes of all the items, judging that the power generation main body corresponding to the declared data passes the audit of the market force monitoring index system.
In a second possible implementation manner of the first aspect of the present invention, the evaluating, by using the market force monitoring index system, declaration data provided by a power generation subject includes:
when the market force monitoring index system comprises a PSI index serving as a market force monitoring index, acquiring total power generation capacity and total market demand declared by a power spot market and power generation capacity declared by a power generation main body, and calculating the PSI index in the following way:
Figure BDA0002824540770000022
wherein the content of the first and second substances,
Figure BDA0002824540770000031
total power generation capacity, Q, declared for the spot marketiThe method comprises the steps that the power generation capacity is declared for a power generation main body i, D is the total market demand, n is the number of power generation main bodies in the market, and PSI is a PSI index corresponding to the power generation main bodies;
if the PSI index is 1, the power generation main body fails the PSI index test; and if the PSI index is 0, the power generation main body passes the PSI index test.
In a third possible implementation manner of the first aspect of the present invention, after estimating the market force of each power generation subject in the abnormality list, the method further includes:
calling a preset threshold value, and comparing the threshold value with any market force;
judging the power generation main body with the market force not exceeding the threshold value as passing the automatic market force test;
and judging that the power generation main body with the market force exceeding the threshold value fails the automatic market force test and requires to modify the real quoted price into the reference quoted price.
In a fourth possible implementation manner of the first aspect of the present invention, after estimating the market force of each power generation subject in the abnormality list, the method further includes:
and outputting a market force monitoring analysis report.
In a fifth possible implementation manner of the first aspect of the present invention, the collecting the reference price of each power generation subject in the abnormal list specifically includes:
collecting the minimum value of the average value of the bid price of the generator set within the past 90 days as the reference quoted price;
or collecting the minimum value of the average value of the bid price in the past 90 days of the generator set.
In a second aspect, an embodiment of the present invention provides an online power market monitoring system for market force control, including:
the acquisition module is used for acquiring declaration data from a plurality of power generation main bodies;
the index auditing module is used for calling market monitoring indexes and judging whether the declaration data corresponding to each power generation main body meets the market monitoring indexes;
the adjusting module is used for recording the power generation main bodies of which the declaration data do not meet the market force monitoring indexes in an abnormal list and collecting the reference quotation of each power generation main body in the abnormal list;
the first simulation clearing module is used for inputting real quoted prices of all power generation main bodies and operating simulation power spot market clearing according to set boundary conditions to obtain simulation clearing prices;
the second simulation clearing module is used for replacing the real quotations of the power generation main bodies in the abnormal list with the reference quotations one by one, and operating the simulation power spot market clearing under the boundary condition to obtain the reference clearing price corresponding to each power generation main body in the abnormal list;
the operation module is used for estimating the market force of each power generation main body in the abnormal list based on the simulated clearing price and the reference clearing price, and the estimation mode is as follows:
Figure BDA0002824540770000041
wherein, IMarket force testRepresenting the estimated market forces; pSimulating out clearRepresenting a simulated clearing price; pStandard clear ofIndicating a baseline clearing price.
In a first possible implementation manner of the second aspect of the present invention, the index auditing module further includes a monitoring index system auditing module;
the monitoring index system auditing module is used for:
selecting market force monitoring indexes to build a market force monitoring index system;
evaluating declaration data provided by a power generation main body by utilizing the market force monitoring index system;
if the declared data do not meet one or more market force monitoring indexes, judging that a power generation main body corresponding to the declared data cannot pass the audit of the market force monitoring index system; and on the contrary, if the declared data meet the market force monitoring indexes of all the items, judging that the power generation main body corresponding to the declared data passes the audit of the market force monitoring index system.
In a second possible implementation manner of the second aspect of the present invention, the online monitoring system for an electric power market for market force control further includes a market force evaluation module;
the market force evaluation module is used for:
calling a preset threshold value, and comparing the threshold value with any market force;
judging the power generation main body with the market force not exceeding the threshold value as passing the automatic market force test;
and judging that the power generation main body with the market force exceeding the threshold value fails the automatic market force test and requires to modify the real quoted price into the reference quoted price.
In a third possible implementation manner of the second aspect of the present invention, the online monitoring system for a power market for market force control further includes a report generation module;
and the report generation module is used for outputting a market force monitoring analysis report.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
the invention provides an electric power market online monitoring method and system for market force control, wherein the scheme comprehensively considers the market force behaviors of power generators under different market situations by acquiring declaration data from a plurality of power generation main bodies; monitoring whether the declared data of the power generation main bodies meet the market force monitoring indexes or not by calling the market force monitoring indexes and judging whether the declared data of each power generation main body meet the market force monitoring indexes or not; the market force behaviors of different degrees are distinguished based on simulation for two times, the power generation main body abusing the market force is screened out, and the market force of the power generation main body abusing the market force is estimated, so that the online comprehensive monitoring and control of the market force of a power generator by a supervision department are facilitated.
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FIG. 1 is a flow chart of the steps of a method for online monitoring of an electric power market for market force control in an embodiment of the present invention;
FIG. 2 is a flow chart of the steps of a preferred embodiment of a power market online monitoring method for market force control in an embodiment of the present invention;
fig. 3 is a block diagram of an online monitoring system for power market for market force control according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present solution provides an exemplary embodiment of an online monitoring method for a power market for market force control, which includes the steps of:
s101, acquiring declaration data from a plurality of power generation main bodies; it should be noted that the declaration data provided by the power generation main body may be declaration data provided by a power generator, or may be data collected from a specific power generation unit.
S102, calling market force monitoring indexes, and judging whether declared data corresponding to each power generation main body meet the market force monitoring indexes; the market force monitoring indexes comprise HHI indexes, PSI indexes, Lerner indexes and OGI indexes;
s103, recording the power generation main bodies of which the declaration data do not meet the market force monitoring indexes in an abnormal list, and collecting reference quotations of each power generation main body in the abnormal list;
s104, inputting real quoted prices of all power generation main bodies, and operating and simulating the clearing of the power spot market according to set boundary conditions to obtain a simulated clearing price;
s105, replacing the real quotations of the power generation main bodies in the abnormal list with reference quotations one by one, and operating simulated power spot market clearing under the same boundary condition to obtain a reference clearing price corresponding to each power generation main body in the abnormal list;
s106, estimating the market force of each power generation main body in the abnormal list based on the simulated clearing price and the reference clearing price, wherein the estimation mode is as follows:
Figure BDA0002824540770000061
wherein, IMarket force testRepresenting the estimated market forces; pSimulating out clearRepresenting a simulated clearing price; pStandard clear ofIndicating a baseline clearing price.
This embodiment further provides a preferred implementation manner, where the collecting of the reference price of each power generation subject in the abnormal list specifically includes:
collecting the average value of 50% of the lowest price in the past 90 days of the node where the generator set is located;
or collecting the minimum value of the average value of the bid price in the past 90 days of the generator set.
The scheme also provides a preferred embodiment, the electric power market online monitoring method for market force control calls market force monitoring indexes and judges whether declaration data corresponding to each power generation main body meets the market force monitoring indexes, and the specific mode is as follows:
selecting market force monitoring indexes to build a market force monitoring index system;
specifically, the market force monitoring indexes available for selection include HHI indexes, which refer to hefendall-helnhuman indexes; PSI index, which refers to key provider index; a Lerner index, which refers to the lener index; an OGI index, which refers to an output margin index;
evaluating declaration data provided by a power generation main body by utilizing the market force monitoring index system;
if the declared data do not meet one or more market force monitoring indexes, judging that a power generation main body corresponding to the declared data cannot pass the audit of the market force monitoring index system; and on the contrary, if the declared data meet the market force monitoring indexes of all the items, judging that the power generation main body corresponding to the declared data passes the audit of the market force monitoring index system.
In this embodiment, the specific implementation manner of evaluating the declaration data provided by the power generation main body by using the market force monitoring index system is as follows:
when the market force monitoring index system comprises the HHI index which is used as the market force monitoring index, obtaining the average value of the average power generation capacity ratio of the power generation main body in the first three days, and calculating the HHI index of the power generation main body in the following mode:
Figure BDA0002824540770000071
wherein, selecting SiThe average value of the ratio of the average generated energy in the first three days of the ith power generation main body in the market is obtained; n is the number of power generation main bodies in the market;
the HHI index size at this time depends on the concentration of the power generator on the market. HHI indexes below 1500 correspond to full contention, between 1500 and 2500 to limited contention, above 2500 to a high monopoly.
If HHI index is higher than 2500, and SiIf the daily average power generation amount of the power generation main body is higher than 15%, judging that the HHI index is not met;
if the HHI index is between 1500-iIf the daily average power generation amount of the power generation main body is higher than 10%, judging that the HHI index is not met;
if the market HHI index is below 1500, the HHI indicator is determined to be satisfied.
In this embodiment, the specific implementation manner of evaluating the declaration data provided by the power generation main body by using the market force monitoring index system is as follows:
when the market force monitoring index system comprises a PSI index serving as a market force monitoring index, acquiring total power generation capacity and total market demand declared by a power spot market and power generation capacity declared by a power generation main body, and calculating the PSI index in the following way:
Figure BDA0002824540770000072
wherein the content of the first and second substances,
Figure BDA0002824540770000081
total power generation capacity, Q, declared for the spot marketiThe method comprises the steps that the power generation capacity is declared for a power generation main body i, D is the total market demand, n is the number of power generation main bodies in the market, and PSI is a PSI index corresponding to the power generation main bodies;
when PSI is 1, it indicates that the generator i is not supplying power to the market and the area may be powered off, and the generator may determine to own market power.
If the PSI index is 1, the power generation main body fails the PSI index test; and if the PSI index is 0, the power generation main body passes the PSI index test.
In this embodiment, the specific implementation manner of evaluating the declaration data provided by the power generation main body by using the market force monitoring index system is as follows:
when the market force monitoring index system comprises a Lerner index serving as a market force monitoring index, acquiring the electricity price and marginal cost declared by a power generation main body, and calculating the Lerner index of the power generation main body in the following way:
Figure BDA0002824540770000082
wherein, PDIs the declared price of the generator, CmMarginal cost to the generator, LiIs a Lerner index corresponding to the power generating body;
the larger the Lerner index is, the higher the deviation of the price of the generator from the marginal cost is considered to be, namely the lower the rationality of the price is considered to be.
When the Lerner index is greater than 20%, the Lerner index test is failed; and when the Lerner index is less than or equal to 20%, the Lerner index test is passed.
In this embodiment, the specific implementation manner of evaluating the declaration data provided by the power generation main body by using the market force monitoring index system is as follows:
when the market force monitoring index system comprises an OGI index as a market force monitoring index, calculating the OGI index of the power generation main body in the following way:
Figure BDA0002824540770000083
Figure BDA0002824540770000091
wherein the content of the first and second substances,
Figure BDA0002824540770000092
is the output differential capacity of the generator i,
Figure BDA0002824540770000093
the average value of the current standard-winning capacity of the generator in the past normal operation period can be taken as the economic output capacity of the generator i or can be regarded as the standard output capacity under the normal condition of the generator i;
Figure BDA0002824540770000094
is the fact of the generator iThe capacity of the output is the capacity of the output,
Figure BDA0002824540770000095
is the actual winning price, P, of the generator iaveThe market power generation side outputs the clear weight electricity price,
Figure BDA0002824540770000096
is the rated generating capacity of the generator i;
the larger the OGI index, the greater the suspicion that represents the generator to hold.
If the OGI index of the power generation main body is ranked five, the power generation main body does not pass the OGI index test.
The present invention further provides a preferred embodiment, in which the online monitoring method for power market for market force control further includes, after estimating the market force of each power generation subject in the abnormal list, the steps of:
calling a preset threshold value, and comparing the threshold value with any market force;
judging the power generation main body with the market force not exceeding the threshold value as passing the automatic market force test;
and judging that the power generation main body with the market force exceeding the threshold value fails the automatic market force test and requires to modify the real quoted price into the reference quoted price.
In a specific embodiment, the power generation main bodies with declared data not meeting the market force monitoring index are recorded in a primary exception list, and the power generation main bodies with market force exceeding the threshold value are recorded in a secondary exception list. Wherein when the power generation main body is IMarket force testIf the current is less than or equal to 20%, the power generation main body is considered to pass the market force automatic test; if IMarket force test>And 20%, the power generation main body fails to pass the market force automatic test and enters a secondary abnormal list, and the quotation of the power generation main body is forcibly modified into the standard quotation and then participates in the formal clearing of the spot market.
Referring to fig. 2, the present disclosure further provides a preferred embodiment, in which after estimating the market force of each power generation main body in the abnormal list, the method further includes:
and outputting a market force monitoring analysis report.
In a specific embodiment, the market force monitoring report mainly includes the following four items:
the total condition of the market force monitoring index system screening comprises a market force monitoring index calculation result and a primary abnormal list detail, wherein the primary abnormal list accounts for the number of total power generators and the declared capacity accounts for the total power generators, and the number of the primary abnormal list accounts for the total power generators and the declared capacity accounts for the market force potential degree of the power generators in the market.
The overall situation of the market force automatic test comprises the detail of a secondary abnormal list, the number of the secondary abnormal list in the total power generators accounts for the ratio, and the declared capacity accounts for the ratio; the number of the secondary exception lists occupying the total generators and the declared capacity occupation ratio reflect the degree of market force abuse of the generators in the market.
The number ratio of the secondary exception list to the primary exception list and the declaration capacity ratio. The number of the secondary exception lists occupying the primary exception list and the declared capacity occupying ratio are higher, so that generators participating in the market force automatic test are more prone to abuse market force.
I corresponding to each generator in secondary abnormal listMarket force test。IMarket force testThe size reflects the ability of the generator participating in the market force automatic test to use market force to raise the market clearing price.
The present solution provides an exemplary embodiment, an electric power market online monitoring device for market force control, comprising a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, the processor implementing the electric power market online monitoring method for market force control as described above when executing the computer program.
Referring to fig. 3, the present solution provides an exemplary embodiment, an electric power market online monitoring system for market force control, including:
an acquisition module 201, configured to acquire declaration data from a plurality of power generation main bodies;
the index auditing module 202 is used for calling market monitoring indexes and judging whether declared data corresponding to each power generation main body meet the market monitoring indexes;
the adjusting module 203 is used for recording the power generation main bodies of which the declared data do not meet the market force monitoring indexes in an abnormal list and collecting the reference quotation of each power generation main body in the abnormal list;
the first simulation clearing module 204 is used for inputting real quotes of all power generation main bodies and operating simulation power spot market clearing according to set boundary conditions to obtain simulation clearing prices;
the second simulation clearing module 205 is configured to replace the real quotes of the power generation main bodies in the abnormal list with the reference quotes one by one, and run simulation power spot market clearing under the boundary condition to obtain a reference clearing price corresponding to each power generation main body in the abnormal list;
an operation module 206, configured to estimate market force of each power generation main body in the abnormal list based on the simulated clearing price and the reference clearing price, where the estimation method is as follows:
Figure BDA0002824540770000111
wherein, IMarket force testRepresenting the estimated market forces; pSimulating out clearRepresenting a simulated clearing price; pStandard clear ofIndicating a baseline clearing price.
This embodiment further provides a preferred implementation manner, where the collecting of the reference price of each power generation subject in the abnormal list specifically includes:
collecting the average value of 50% of the lowest price in the past 90 days of the node where the generator set is located;
or collecting the minimum value of the average value of the bid price in the past 90 days of the generator set.
The present scheme also provides a preferred embodiment, the index auditing module 202 further includes a monitoring index system auditing module;
the monitoring index system auditing module is used for:
selecting market force monitoring indexes to build a market force monitoring index system;
specifically, the market force monitoring indexes available for selection include HHI indexes, which refer to hefendall-helnhuman indexes; PSI index, which refers to key provider index; a Lerner index, which refers to the lener index; an OGI index, which refers to an output margin index;
evaluating declaration data provided by a power generation main body by utilizing the market force monitoring index system;
if the declared data do not meet one or more market force monitoring indexes, judging that a power generation main body corresponding to the declared data cannot pass the audit of the market force monitoring index system; and on the contrary, if the declared data meet the market force monitoring indexes of all the items, judging that the power generation main body corresponding to the declared data passes the audit of the market force monitoring index system.
In this embodiment, the specific implementation manner of evaluating the declaration data provided by the power generation main body by using the market force monitoring index system is as follows:
when the market force monitoring index system comprises the HHI index which is used as the market force monitoring index, obtaining the average value of the average power generation capacity ratio of the power generation main body in the first three days, and calculating the HHI index of the power generation main body in the following mode:
Figure BDA0002824540770000121
wherein, selecting SiThe average value of the ratio of the average generated energy in the first three days of the ith power generation main body in the market is obtained; n is the number of power generation main bodies in the market;
the HHI index size at this time depends on the concentration of the power generator on the market. HHI indexes below 1500 correspond to full contention, between 1500 and 2500 to limited contention, above 2500 to a high monopoly.
If HHI index is higher than 2500, and SiPower generation higher than 15%Judging that the daily average power generation of the subject does not meet the HHI index;
if the HHI index is between 1500-iIf the daily average power generation amount of the power generation main body is higher than 10%, judging that the HHI index is not met;
if the market HHI index is below 1500, the HHI indicator is determined to be satisfied.
In this embodiment, the specific implementation manner of evaluating the declaration data provided by the power generation main body by using the market force monitoring index system is as follows:
when the market force monitoring index system comprises a PSI index serving as a market force monitoring index, acquiring total power generation capacity and total market demand declared by a power spot market and power generation capacity declared by a power generation main body, and calculating the PSI index in the following way:
Figure BDA0002824540770000122
wherein the content of the first and second substances,
Figure BDA0002824540770000123
total power generation capacity, Q, declared for the spot marketiThe method comprises the steps that the power generation capacity is declared for a power generation main body i, D is the total market demand, n is the number of power generation main bodies in the market, and PSI is a PSI index corresponding to the power generation main bodies;
when PSI is 1, it indicates that the generator i is not supplying power to the market and the area may be powered off, and the generator may determine to own market power.
If the PSI index is 1, the power generation main body fails the PSI index test; and if the PSI index is 0, the power generation main body passes the PSI index test.
In this embodiment, the specific implementation manner of evaluating the declaration data provided by the power generation main body by using the market force monitoring index system is as follows:
when the market force monitoring index system comprises a Lerner index serving as a market force monitoring index, acquiring the electricity price and marginal cost declared by a power generation main body, and calculating the Lerner index of the power generation main body in the following way:
Figure BDA0002824540770000131
wherein, PDIs the declared price of the generator, CmMarginal cost to the generator, LiIs a Lerner index corresponding to the power generating body;
the larger the Lerner index is, the higher the deviation of the price of the generator from the marginal cost is considered to be, namely the lower the rationality of the price is considered to be.
When the Lerner index is greater than 20%, the Lerner index test is failed; and when the Lerner index is less than or equal to 20%, the Lerner index test is passed.
In this embodiment, the specific implementation manner of evaluating the declaration data provided by the power generation main body by using the market force monitoring index system is as follows:
when the market force monitoring index system comprises an OGI index as a market force monitoring index, calculating the OGI index of the power generation main body in the following way:
Figure BDA0002824540770000132
Figure BDA0002824540770000133
wherein the content of the first and second substances,
Figure BDA0002824540770000134
is the output differential capacity of the generator i,
Figure BDA0002824540770000135
the average value of the current standard-winning capacity of the generator in the past normal operation period can be taken as the economic output capacity of the generator i or can be regarded as the standard output capacity under the normal condition of the generator i;
Figure BDA0002824540770000136
is the actual output capacity of the generator i,
Figure BDA0002824540770000137
is the actual winning price, P, of the generator iaveThe market power generation side outputs the clear weight electricity price,
Figure BDA0002824540770000138
is the rated generating capacity of the generator i;
the larger the OGI index, the greater the suspicion that represents the generator to hold.
If the OGI index of the power generation main body is ranked five, the power generation main body does not pass the OGI index test.
The scheme also provides a preferred embodiment, and the electric power market online monitoring system for market force control further comprises a market force judging module;
the market force evaluation module is used for:
calling a preset threshold value, and comparing the threshold value with any market force;
judging the power generation main body with the market force not exceeding the threshold value as passing the automatic market force test;
and judging that the power generation main body with the market force exceeding the threshold value fails the automatic market force test and requires to modify the real quoted price into the reference quoted price.
In a specific embodiment, the power generation main bodies with declared data not meeting the market force monitoring index are recorded in a primary exception list, and the power generation main bodies with market force exceeding the threshold value are recorded in a secondary exception list. Wherein when the power generation main body is IMarket force testIf the current is less than or equal to 20%, the power generation main body is considered to pass the market force automatic test; if IMarket force test>And 20%, the power generation main body fails to pass the market force automatic test and enters a secondary abnormal list, and the quotation of the power generation main body is forcibly modified into the standard quotation and then participates in the formal clearing of the spot market.
The scheme also provides a preferred embodiment, the electric power market online monitoring system for market force control further comprises a report generation module;
and the report generation module is used for outputting a market force monitoring analysis report.
In a specific embodiment, the market force monitoring report mainly includes the following four items:
the total condition of the market force monitoring index system screening comprises a market force monitoring index calculation result and a primary abnormal list detail, wherein the primary abnormal list accounts for the number of total power generators and the declared capacity accounts for the total power generators, and the number of the primary abnormal list accounts for the total power generators and the declared capacity accounts for the market force potential degree of the power generators in the market.
The overall situation of the market force automatic test comprises the detail of a secondary abnormal list, the number of the secondary abnormal list in the total power generators accounts for the ratio, and the declared capacity accounts for the ratio; the number of the secondary exception lists occupying the total generators and the declared capacity occupation ratio reflect the degree of market force abuse of the generators in the market.
The number ratio of the secondary exception list to the primary exception list and the declaration capacity ratio. The number of the secondary exception lists occupying the primary exception list and the declared capacity occupying ratio are higher, so that generators participating in the market force automatic test are more prone to abuse market force.
I corresponding to each generator in secondary abnormal listMarket force test。IMarket force testThe size reflects the ability of the generator participating in the market force automatic test to use market force to raise the market clearing price.
The invention provides an electric power market online monitoring method and system for market force control, wherein the scheme comprehensively considers the market force behaviors of power generators under different market situations by acquiring declaration data from a plurality of power generation main bodies; monitoring whether the declared data of the power generation main bodies meet the market force monitoring indexes or not by calling the market force monitoring indexes and judging whether the declared data of each power generation main body meet the market force monitoring indexes or not; the market force behaviors of different degrees are distinguished based on simulation for two times, the power generation main body abusing the market force is screened out, and the market force of the power generation main body abusing the market force is estimated, so that the online comprehensive monitoring and control of the market force of a power generator by a supervision department are facilitated.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.

Claims (10)

1. An electric power market online monitoring method for market force control is characterized by comprising the following steps:
acquiring declaration data from a plurality of power generation main bodies;
calling market force monitoring indexes, and judging whether declaration data corresponding to each power generation main body meets the market force monitoring indexes;
recording the power generation main bodies of which the declaration data do not meet the market force monitoring index in an abnormal list, and collecting the reference quotation of each power generation main body in the abnormal list;
inputting real quoted prices of all power generation main bodies, and operating simulated power spot market clearing according to set boundary conditions to obtain simulated clearing prices;
replacing real quoted prices of the power generation main bodies in the abnormal list with reference quoted prices one by one, and operating simulated power spot market clearing under the boundary condition to obtain a reference clearing price corresponding to each power generation main body in the abnormal list;
based on the simulated clearing price and the reference clearing price, estimating the market force of each power generation main body in the abnormal list in the following estimation mode:
Figure FDA0002824540760000011
wherein, IMarket force testRepresenting the estimated market forces; pSimulating out clearRepresenting a simulated clearing price; pStandard clear ofIndicating a baseline clearing price.
2. The online monitoring method for the power market for market force control according to claim 1, wherein a market force monitoring index is called and whether declaration data corresponding to each power generation subject satisfies the market force monitoring index is determined by:
selecting market force monitoring indexes to build a market force monitoring index system;
evaluating declaration data provided by a power generation main body by utilizing the market force monitoring index system;
if the declared data do not meet one or more market force monitoring indexes, judging that a power generation main body corresponding to the declared data cannot pass the audit of the market force monitoring index system; and on the contrary, if the declared data meet the market force monitoring indexes of all the items, judging that the power generation main body corresponding to the declared data passes the audit of the market force monitoring index system.
3. The online monitoring method for the power market for market force control according to claim 2, wherein the declared data provided by the power generation subject is judged by using the market force monitoring index system, and the specific implementation mode is as follows:
when the market force monitoring index system comprises a PSI index serving as a market force monitoring index, acquiring total power generation capacity and total market demand declared by a power spot market and power generation capacity declared by a power generation main body, and calculating the PSI index in the following way:
Figure FDA0002824540760000021
wherein the content of the first and second substances,
Figure FDA0002824540760000022
total power generation capacity, Q, declared for the spot marketiThe method comprises the steps that the power generation capacity is declared for a power generation main body i, D is the total market demand, n is the number of power generation main bodies in the market, and PSI is a PSI index corresponding to the power generation main bodies;
if the PSI index is 1, the power generation main body fails the PSI index test; and if the PSI index is 0, the power generation main body passes the PSI index test.
4. The online monitoring method for power market for market force control according to claim 1, further comprising, after estimating the market force of each power generation subject in the abnormality list, the steps of:
calling a preset threshold value, and comparing the threshold value with any market force;
judging the power generation main body with the market force not exceeding the threshold value as passing the automatic market force test;
and judging that the power generation main body with the market force exceeding the threshold value fails the automatic market force test and requires to modify the real quoted price into the reference quoted price.
5. The online monitoring method for power market for market force control according to claim 1, further comprising, after estimating the market force of each power generation subject in the abnormality list, the steps of:
and outputting a market force monitoring analysis report.
6. The method for online monitoring of an electric power market for market force control according to claim 1, wherein the collecting of the reference price quoted for each power generation subject in the abnormal list is performed by:
collecting the minimum value of the average value of the bid price of the generator set within the past 90 days as the reference quoted price;
or collecting the minimum value of the average value of the bid price in the past 90 days of the generator set.
7. An electric power market online monitoring system for market force control, comprising:
the acquisition module is used for acquiring declaration data from a plurality of power generation main bodies;
the index auditing module is used for calling market monitoring indexes and judging whether the declaration data corresponding to each power generation main body meets the market monitoring indexes;
the adjusting module is used for recording the power generation main bodies of which the declaration data do not meet the market force monitoring indexes in an abnormal list and collecting the reference quotation of each power generation main body in the abnormal list;
the first simulation clearing module is used for inputting real quoted prices of all power generation main bodies and operating simulation power spot market clearing according to set boundary conditions to obtain simulation clearing prices;
the second simulation clearing module is used for replacing the real quotations of the power generation main bodies in the abnormal list with the reference quotations one by one, and operating the simulation power spot market clearing under the boundary condition to obtain the reference clearing price corresponding to each power generation main body in the abnormal list;
the operation module is used for estimating the market force of each power generation main body in the abnormal list based on the simulated clearing price and the reference clearing price, and the estimation mode is as follows:
Figure FDA0002824540760000031
wherein, IMarket force testRepresenting the estimated market forces; pSimulating out clearRepresenting a simulated clearing price; pStandard clear ofIndicating a baseline clearing price.
8. The online monitoring system for power market for market force control according to claim 7, wherein the index auditing module further comprises a monitoring index system auditing module;
the monitoring index system auditing module is used for:
selecting market force monitoring indexes to build a market force monitoring index system;
evaluating declaration data provided by a power generation main body by utilizing the market force monitoring index system;
if the declared data do not meet one or more market force monitoring indexes, judging that a power generation main body corresponding to the declared data cannot pass the audit of the market force monitoring index system; and on the contrary, if the declared data meet the market force monitoring indexes of all the items, judging that the power generation main body corresponding to the declared data passes the audit of the market force monitoring index system.
9. The electric power market online monitoring system for market force control according to claim 7, further comprising a market force evaluation module;
the market force evaluation module is used for:
calling a preset threshold value, and comparing the threshold value with any market force;
judging the power generation main body with the market force not exceeding the threshold value as passing the automatic market force test;
and judging that the power generation main body with the market force exceeding the threshold value fails the automatic market force test and requires to modify the real quoted price into the reference quoted price.
10. The electric power market online monitoring system for market force control according to claim 7, further comprising a report generation module;
and the report generation module is used for outputting a market force monitoring analysis report.
CN202011425973.1A 2020-12-09 2020-12-09 Electric power market online monitoring method and system for market force control Pending CN112434967A (en)

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