CN109325675A - A kind of capital electrical index calculation method and system - Google Patents
A kind of capital electrical index calculation method and system Download PDFInfo
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- CN109325675A CN109325675A CN201811049690.4A CN201811049690A CN109325675A CN 109325675 A CN109325675 A CN 109325675A CN 201811049690 A CN201811049690 A CN 201811049690A CN 109325675 A CN109325675 A CN 109325675A
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Abstract
The present invention relates to a kind of capital electrical index calculation method and systems, its technical characterstic is: the following steps are included: the transaction data of step 1, each provincial power exchange of acquisition, obtain includes electric power direct dealing Generation Side electricity volume, transaction value, Generation Rights Trade alternative electricity volume, transaction value, the original factor data of other marketization transaction electricity volumes and transaction value；Step 2 carries out data cleansing to the original factor data of acquisition, rejects unreasonable data, obtains available factor data；Step 3, building capital electrical index computation model；Step 4, the available factor data for obtaining step 2 input capital electrical index computation model, and capital electrical index is calculated.
Description
Technical field
The invention belongs to electricity markets to run assessment technology field, be related to the calculating of capital electrical index, especially a kind of capital electricity
Index calculation method and system.
Background technique
Since in March, 2015, China's electricity market reform accelerated development, set up in succession Beijing power exchange and
Guangzhou electric power trade center is each responsible for the electricity marketization that State Grid Corporation of China and Southern Power Grid Company manage in region and trades
Work, each province (area, city) also establishes the power market transaction center of this area one after another.With living increasingly for power market transaction
Jump, the highly desirable capital electrical index that can find a kind of similar securities market index of power exchange administrative staff, with science
Effectively evaluate electricity market operational effect.Capital electrical index can reflect the overall state and change in long term tendency in market, but work as
The preceding research to capital electrical index is less.
Tsinghua University once devised a kind of " the composite index of grid operation calculation method based on information source entropy "
(ZL201310204664.5), which primarily focuses on dispatching of power netwoks safe and stable operation evaluation number, hands over electricity market
Easy feature has larger difference, can not effectively evaluate electricity market operational effect.
Summary of the invention
The purpose of the present invention is to overcome the defects in the prior art, provides a kind of capital electrical index calculation method and system,
Electricity market can effectively be assessed in the state of development and trend of specific period.
The present invention solves its realistic problem and adopts the following technical solutions to achieve:
A kind of calculation method of capital electrical index, comprising the following steps:
The transaction data of step 1, each provincial power exchange of acquisition, obtaining includes that electric power direct dealing Generation Side is surfed the Internet
Electricity, transaction value, Generation Rights Trade alternative electricity volume, transaction value, other marketization transaction electricity volumes and transaction
The original factor data of price；
Step 2 carries out data cleansing to the original factor data of acquisition, rejects unreasonable data, obtains available element
Data；
Step 3, according to different power market transaction types, construct capital electrical index computation model；
Step 4, the available factor data for obtaining step 2 input capital electrical index computation model, and capital electrical index is calculated.
Moreover, the power market transaction type of the step 3 includes electric power direct dealing, Generation Rights Trade and other markets
Change three kinds of power market transaction types of transaction.
Moreover, the specific steps of the step 3 include:
(1) the capital electrical index computation model of every kind of each province power market transaction type is constructed respectively:
Wherein,The monthly electricity of averagely trading of the jth class marketization is saved for base period kth, its calculation formula is:
In formula, Qkij、PkijRespectively current kth saves the transaction electricity of the jth class marketization in i-th month and transaction value；N is month
Number, usually takes 12；Qk′ijThe transaction electricity of the jth class marketization in i-th month is saved for base period kth.
(2) the capital electrical index computation model of each province's whole power market transaction type is constructed:
In formula, m is the quantity of power market transaction type, with the continuous propulsion of power market reform, city representated by m
Type of transaction can be stepped up, i.e., current market category number is subject to reality.
(3) the building whole nation or region capital electrical index computation model:
In formula, s is power exchange quantity in region；
A kind of capital electrical index computing system, comprising:
(1) data acquisition module obtains former for acquiring each provincial, each Electric Power Transfer Capability of Regional Electric System central power transaction data
Beginning factor data, wherein original factor data include: electric power direct dealing Generation Side electricity volume, transaction value, and Generation Right is handed over
Easy alternative electricity volume, transaction value, other marketization transaction electricity volumes and transaction value；
(2) data analysis module is rejected unreasonable data, is obtained for carrying out data scrubbing to the original factor data
To available factor data；
(3) model construction module, for constructing capital electrical index computation model according to different power market transaction types；
(4) index computing module obtains capital electricity and refers to for that factor data can be used to input capital electrical index computation model by described in
Number.
Moreover, the power market transaction type includes electric power direct dealing, Generation Rights Trade and other marketization transaction
Three kinds of power market transaction types.
Moreover, the capital electrical index computation model includes:
(1) the capital electrical index computation model of each province's classifying type, for the available of every kind of type of transaction of Electricity Market in Provincial Level
Factor data calculates provincial capital electrical index:
Wherein,The monthly electricity of averagely trading of the jth class marketization is saved for base period kth, its calculation formula is:
In formula, Qkij、PkijRespectively current kth saves the transaction electricity of the jth class marketization in i-th month and transaction value；N is month
Number, usually takes 12；Qk′ijThe transaction electricity of the jth class marketization in i-th month is saved for base period kth.
(2) the capital electrical index computation model of each province's universal class type, for the available of Electricity Market in Provincial Level whole type of transaction
Factor data calculates classifying type capital electrical index:
In formula, m is the quantity of power market transaction type；
(3) whole nation or region capital electrical index computation model, by by the whole nation or Regional Electric Market can be with factor data in terms of
Calculate region capital electrical index:
In formula, s is power exchange quantity in region.
The advantages of the present invention:
1, the present invention provides a kind of calculation methods of capital electrical index, in analysis power market transaction feature, type of transaction
Deng on the basis of, by obtaining each power exchange marketing original factor data, building different stage, different transaction classes
The capital electrical index computation model of type assesses electricity market in the state of development and trend of specific period accordingly；Finally specific real
The market-oriented transaction data provided in mode in conjunction with Beijing power exchange is applied, Beijing power exchange capital electrical index is analyzed
Variation tendency and applicable cases specific example.
2, the present invention provides a kind of computing systems of capital electrical index, by each electricity transaction of data collecting module collected
Heart marketing original factor data；By data analysis module, academician's factor data of acquisition is cleaned, can be used
Factor data further promotes data accuracy；By model construction module, the capital electrical index about available factor data is constructed
Computation model, it is intuitive to reflect electricity market operational effect from multiple dimensions such as the whole nation, region, provincial or different type of transaction；It is logical
Index computing module is crossed, each province, Regional Electric Market different type or universal class type capital electrical index can be obtained, measures electricity market
In the state of development and trend of specific period.
Detailed description of the invention
Fig. 1 is capital electrical index calculation method flow chart of the invention；
Fig. 2 is capital electrical index computation model structural schematic diagram of the invention；
Fig. 3 is system in Beijing Jing electrical index variation diagrams in 2017 of the invention.
Specific embodiment
The embodiment of the present invention is described in further detail below in conjunction with attached drawing:
The present invention provides a kind of capital electrical index calculation method, the assessment electricity market that can satisfy power exchange exists
The state of development of specific period and the demand of trend.
In the present embodiment, mentioned power exchange refers to the season for being responsible for this area under one's jurisdiction electricity market, monthly electricity
Power transaction, determines transaction value, carries out the mechanism of the responsibilities such as related electricity clearing and transaction.Wherein, Beijing power exchange
The electricity marketization transaction being responsible in State Grid Corporation of China's business scope, Guangzhou electric power trade center are responsible for Southern Power Grid Company warp
Seek the electricity marketization transaction in range.Each province (area, city) power exchange is responsible for the electric power city in this province (area, city) range
Fieldization transaction.
In the present embodiment, capital electrical index refers to using some time point as starting point (base period), according to certain algorithm or model,
It is input with marketing data, the electricity market electricity charge (scale) are changed opposite with development after the marketization transaction being calculated
Number.Capital electrical index can reflect variation direction of the electricity market electricity charge (scale) on space-time and change degree, analysis and measurement
The electricity market electricity charge (scale) always change the influence degree changed by all types of market electricity charge (scale).
Due to consider the Power Market Development situation in the whole nation and each province, should meet when carrying out the design of capital electrical index: (1)
For specific province, for particular transaction type, it is able to reflect the current situation of change with the base period of this province type of transaction；
(2) it is directed to specific province, for whole type of transaction, is able to reflect the current variation feelings with the base period of this province whole type of transaction
Condition；(3) it for the whole nation or region, for whole type of transaction, is able to reflect the whole nation or region totality electricity market is current and base
The situation of change of phase.
In the present embodiment, power market transaction type is divided into three classes, respectively electric power direct dealing, Generation Rights Trade
With other marketization transaction.
A kind of calculation method of capital electrical index, as shown in Figure 1, comprising the following steps:
The transaction of step 1, acquisition each provincial power exchange, Beijing power exchange, Guangzhou electric power trade center
Data, obtaining includes electric power direct dealing Generation Side electricity volume, transaction value, and Generation Rights Trade alternative electricity volume is handed over
Easy price, the original factor data of other marketization transaction electricity volumes and transaction value；
Step 2 carries out data cleansing to the original factor data of acquisition, rejects unreasonable data, obtains available element
Data；
In the present embodiment, data cleansing is that data are audited and verified again, and the electricity transaction data of acquisition are not
It is evitable to have incomplete data, wrong data or repeated data, based on certain filtering rule to above-mentioned original factor
Data carry out data cleansing, reject unreasonable data.
After data cleansing, obtained available factor data can be inputted in computation model respectively and be obtained original factor data
To capital electrical index.
Step 3, according to different power market transaction types, construct capital electrical index computation model；
The power market transaction type includes three kinds of electric power direct dealing, Generation Rights Trade and other marketization transaction
Power market transaction type.
The specific steps of the step 3 include:
(1) the capital electrical index computation model of every kind of each province power market transaction type is constructed respectively:
Wherein,The monthly electricity of averagely trading of the jth class marketization is saved for base period kth, its calculation formula is:
In formula, Qkij、PkijRespectively current kth saves the transaction electricity of the jth class marketization in i-th month and transaction value；N is month
Number, usually takes 12；Qk′ijThe transaction electricity of the jth class marketization in i-th month is saved for base period kth.
(2) the capital electrical index computation model of each province's whole power market transaction type is constructed:
In formula, m is the quantity of power market transaction type, with the continuous propulsion of power market reform, city representated by m
Type of transaction can be stepped up, i.e., current market category number is subject to reality.
M=3 is taken in the present embodiment.
(3) the building whole nation or region capital electrical index computation model:
In formula, s is power exchange quantity in region；
In the present embodiment, the whole nation or Regional Electric Market include: Beijing power exchange, Guangzhou electric power transaction
Center and electric power accidents of East China Power Grid trade center etc.；
In the present embodiment, when calculating Beijing power exchange capital electrical index, s takes 27, hands over calculating Guangzhou electric power
When easy center capital electrical index, s takes 5.
Step 4, the available factor data for obtaining step 2 input capital electrical index computation model, and capital electrical index is calculated.
The present invention provides a kind of calculation methods of capital electrical index, in analysis power market transaction feature, type of transaction etc.
On the basis of, by obtaining each power exchange marketing original factor data, building different stage, different type of transaction
Capital electrical index computation model, accordingly assess electricity market the specific period state of development and trend.If composite index is big
In 1000, then illustrate that the degree of current electricity charge variation is greater than the degree of base period electricity charge variation, conversely, composite index is less than 1000,
Then illustrate that the degree of current electricity charge variation is less than the degree of base period electricity charge variation.
A kind of capital electrical index computing system, as shown in Figure 2, comprising:
(1) data acquisition module obtains former for acquiring each provincial, each Electric Power Transfer Capability of Regional Electric System central power transaction data
Beginning factor data, wherein original factor data include: electric power direct dealing Generation Side electricity volume, transaction value, and Generation Right is handed over
Easy alternative electricity volume, transaction value, other marketization transaction electricity volumes and transaction value；
(2) data analysis module is rejected unreasonable data, is obtained for carrying out data scrubbing to the original factor data
To available factor data；
(3) model construction module, for constructing capital electrical index computation model according to different power market transaction types；
(4) index computing module obtains capital electricity and refers to for that factor data can be used to input capital electrical index computation model by described in
Number.
The power market transaction type includes three kinds of electric power direct dealing, Generation Rights Trade and other marketization transaction
Power market transaction type.
The capital electrical index computation model includes:
(4) the capital electrical index computation model of each province's classifying type, for the available of every kind of type of transaction of Electricity Market in Provincial Level
Factor data calculates provincial capital electrical index:
Wherein,The monthly electricity of averagely trading of the jth class marketization is saved for base period kth, its calculation formula is:
In formula, Qkij、PkijRespectively current kth saves the transaction electricity of the jth class marketization in i-th month and transaction value；N is month
Number, usually takes 12；Qk′ijThe transaction electricity of the jth class marketization in i-th month is saved for base period kth.
(5) the capital electrical index computation model of each province's universal class type, for the available of Electricity Market in Provincial Level whole type of transaction
Factor data calculates classifying type capital electrical index:
In formula, m is the quantity of power market transaction type, with the continuous propulsion of power market reform, city representated by m
Type of transaction can be stepped up, i.e., current market category number is subject to reality.
(6) whole nation or region capital electrical index computation model, by by the whole nation or Regional Electric Market can be with factor data in terms of
Calculate region capital electrical index:
In formula, s is power exchange quantity in region.
In the present embodiment, the whole nation or Regional Electric Market include: Beijing power exchange, Guangzhou electric power transaction
Center and electric power accidents of East China Power Grid trade center etc.；
In the present embodiment, by taking the power exchange transaction data of Beijing as an example, capital electrical index is calculated.With electric power in 2016
Marketing data are as base data, using power market transaction data in 2017 as current-period data, calculate capital electrical index.It calculates
As a result as shown in Figure 3.
As can be seen that capital electrical index is all larger than 1000 from January to December, illustrate that than 2016 2017 electricity charge values are big, electricity
The power market in general is increasing；Secondly, the capital electrical index of the 1-12 month is all larger than 1000, i.e. the month market 1-12 is in propradation.
But can be seen that 1,2, capital electrical index in March be greater than 5 to August capital electrical index, this illustrates the market development level of 1-3 month higher than 5-
The development level of August.
It is emphasized that embodiment of the present invention be it is illustrative, without being restrictive, therefore the present invention includes
It is not limited to embodiment described in specific embodiment, it is all to be obtained according to the technique and scheme of the present invention by those skilled in the art
Other embodiments, also belong to the scope of protection of the invention.
Claims (6)
1. a kind of calculation method of capital electrical index, it is characterised in that: the following steps are included:
The transaction data of step 1, each provincial power exchange of acquisition, obtaining includes electric power direct dealing Generation Side online electricity
Amount, transaction value, Generation Rights Trade alternative electricity volume, transaction value, other marketization transaction electricity volumes and settlement price
The original factor data of lattice；
Step 2 carries out data cleansing to the original factor data of acquisition, rejects unreasonable data, obtains available factor data；
Step 3, according to different power market transaction types, construct capital electrical index computation model；
Step 4, the available factor data for obtaining step 2 input capital electrical index computation model, and capital electrical index is calculated.
2. a kind of calculation method of capital electrical index according to claim 1, it is characterised in that: the electric power city of the step 3
Field type of transaction includes three kinds of power market transaction types of electric power direct dealing, Generation Rights Trade and other marketization transaction.
3. a kind of calculation method of capital electrical index according to claim 2, it is characterised in that: the specific step of the step 3
Suddenly include:
(1) the capital electrical index computation model of every kind of each province power market transaction type is constructed respectively:
Wherein,The monthly electricity of averagely trading of the jth class marketization is saved for base period kth, its calculation formula is:
In formula, Qkij、PkijRespectively current kth saves the transaction electricity of the jth class marketization in i-th month and transaction value；N is moon number,
Usually take 12；Q′kijThe transaction electricity of the jth class marketization in i-th month is saved for base period kth.
(2) the capital electrical index computation model of each province's whole power market transaction type is constructed:
In formula, m is the quantity of power market transaction type, and with the continuous propulsion of power market reform, market representated by m is handed over
Easy type can be stepped up, i.e., current market category number is subject to reality.
(3) the building whole nation or region capital electrical index computation model:
In formula, s is power exchange quantity in region.
4. a kind of calculating system of the calculation method of capital electrical index described in any one claim as described in claims 1 to 3
A kind of system, it is characterised in that: capital electrical index computing system, comprising:
(1) data acquisition module obtains original want for acquiring each provincial, each Electric Power Transfer Capability of Regional Electric System central power transaction data
Prime number evidence, wherein original factor data include: electric power direct dealing Generation Side electricity volume, transaction value, and Generation Rights Trade replaces
Generation side's electricity volume, transaction value, other marketization transaction electricity volumes and transaction value；
(2) data analysis module rejects unreasonable data, obtaining can for carrying out data scrubbing to the original factor data
Use factor data；
(3) model construction module, for constructing capital electrical index computation model according to different power market transaction types；
(4) index computing module obtains capital electrical index for that factor data can be used to input capital electrical index computation model by described in.
5. a kind of computing system of the calculation method of capital electrical index according to claim 4, it is characterised in that: the electric power
Marketing type includes three kinds of power market transaction classes of electric power direct dealing, Generation Rights Trade and other marketization transaction
Type.
6. a kind of computing system of the calculation method of capital electrical index according to claim 5, it is characterised in that: the capital electricity
Index computation model includes:
(1) the capital electrical index computation model of each province's classifying type, for the available element of every kind of type of transaction of Electricity Market in Provincial Level
Data calculate provincial capital electrical index:
Wherein,The monthly electricity of averagely trading of the jth class marketization is saved for base period kth, its calculation formula is:
In formula, Qkij、PkijRespectively current kth saves the transaction electricity of the jth class marketization in i-th month and transaction value；N is moon number,
Usually take 12；Q′kijThe transaction electricity of the jth class marketization in i-th month is saved for base period kth.
(2) the capital electrical index computation model of each province's universal class type, for the available element of Electricity Market in Provincial Level whole type of transaction
Data calculate classifying type capital electrical index:
In formula, m is the quantity of power market transaction type；
(3) whole nation or region capital electrical index computation model, for the whole nation or Regional Electric Market area can be calculated with factor data
Domain capital electrical index:
In formula, s is power exchange quantity in region.
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| CN110826994A (en) * | 2019-11-01 | 2020-02-21 | 腾讯科技（深圳）有限公司 | Data processing method, device, equipment and storage medium |
| CN112214732A (en) * | 2020-09-25 | 2021-01-12 | 河北电力交易中心有限公司 | Method and device for evaluating comprehensive activity index of main body in power market and computer equipment |
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Application publication date: 20190212 |