CN107194539B - Electric power and electric quantity balancing method considering prevention and control of atmospheric pollutants - Google Patents
Electric power and electric quantity balancing method considering prevention and control of atmospheric pollutants Download PDFInfo
- Publication number
- CN107194539B CN107194539B CN201710256976.9A CN201710256976A CN107194539B CN 107194539 B CN107194539 B CN 107194539B CN 201710256976 A CN201710256976 A CN 201710256976A CN 107194539 B CN107194539 B CN 107194539B
- Authority
- CN
- China
- Prior art keywords
- coal
- electricity
- limit value
- atmospheric pollutants
- emission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0631—Resource planning, allocation, distributing or scheduling for enterprises or organisations
- G06Q10/06313—Resource planning in a project environment
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/06—Electricity, gas or water supply
-
- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16Z—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS, NOT OTHERWISE PROVIDED FOR
- G16Z99/00—Subject matter not provided for in other main groups of this subclass
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2219/00—Indexing scheme relating to application aspects of data processing equipment or methods
- G06F2219/10—Environmental application, e.g. waste reduction, pollution control, compliance with environmental legislation
Abstract
An electric power quantity balancing method considering atmospheric pollutant prevention and control comprises the following steps: (1) according to emission reduction requirements, determining the total emission limit of atmospheric pollutants generated by the coal-electric set for planning the year; (2) determining the emission coefficients of various atmospheric pollutants of various coal-electric units in the planned year; (3) calculating the overall emission coefficient of various atmospheric pollutants of the coal-electric unit; (4) calculating a coal-electricity utilization hour limit value considering the atmospheric pollutants; (5) comparing the coal-electricity utilization hour limit value considering the atmospheric pollutants with the coal-electricity utilization hours obtained by the traditional electric power and electricity balance calculation: if the utilization hours of the coal and electricity are less than or equal to the limit value, the balance calculation is finished; if the coal electricity utilization hour is larger than the limit value, the coal electricity utilization hour is smaller than the limit value of the coal electricity utilization hour considering the atmospheric pollutants by increasing the nuclear power generating capacity and the electric quantity of external water and electricity or optimizing and planning the modes of newly adding a power supply, installing and the like.
Description
Technical Field
The present invention relates to a power-electricity balancing method, and more particularly, to a power-electricity balancing method for power planning and power system design in consideration of prevention and treatment of atmospheric pollutants.
Background
At present, the atmospheric pollution situation in China is severe, and the regional atmospheric environment problem taking inhalable particles (PM10) and fine particles (PM2.5) as characteristic pollutants is increasingly prominent, so that the health of people is damaged. With the deep promotion of industrialization and urbanization in China, the energy resource consumption is continuously increased, and the atmospheric pollution prevention pressure is continuously increased.
A coal-fired power generating set in the power industry is one of the key points of air pollution prevention and control in China. An air pollution prevention action plan (national issue [ 2013 ] No. 37) issued by the State Council in 2013 provides clear requirements for accelerating the construction of desulfurization, denitration and dust removal transformation projects in the power industry, and the implementation of clean emission of a coal-fired generator set is accelerated. The atmospheric pollution prevention and control law of the people's republic of China is revised and passed by the sixteenth conference of the institutional Committee of the representative general society of people of the twelfth national people of the people's republic of China on 8-29 months in 2015, the energy structure is proposed to be adjusted for the first time, the energy consumption ratio of coal is reduced, the emission of atmospheric pollutants in the production, use and conversion processes of the coal is reduced, and the equal quantity or decrement substitution of the coal is carried out in key areas; clearly, the governments of all levels of people in the local area are responsible for the atmospheric environment quality of the administrative area, and the air quality is required to reach the standard and be continuously improved.
In recent years, with the increase and the decrease of the electricity consumption of the whole society, the overall turning of the electricity supply and demand is loose, the utilization hours of the coal and electricity industry are rapidly reduced, the national coal and electricity planning and construction scale is far larger than the demand level, and the national development committee and the energy resource bureau issue documents and supervise and urge governments and enterprises of various places to slow down the construction pace of coal-fired thermal power so as to deal with the increasingly serious situation of excess of the coal and electricity capacity, and the schedule of 'energy removal' of the coal and electricity is provided. The surplus coal electricity production capacity lays a foundation for eliminating the high-pollution lagging coal electricity production capacity.
Therefore, the air pollutant prevention and control requirements are fully considered in the power planning, the theory and the method of power and power balance considering the air pollutant prevention and control are researched, the power structure is reasonably planned, the coal and electricity clean emission improvement plan is scientifically made, the coal and electricity air pollutant emission total amount in the planned year is evaluated and planned by combining the coal and electricity pollutant emission reduction indexes, and the power and power balance result can meet the air pollutant prevention and control requirements.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the electric power and electric quantity balancing method which can ensure that the total emission quantity of various atmospheric pollutants of the coal-electric machine set meets the emission reduction index requirements of the atmospheric pollutants, is beneficial to reasonably making electric power market planning, effectively controls the emission of the atmospheric pollutants of the coal-electric machine set, and improves the atmospheric environment from a planning source and considers the prevention and control of the atmospheric pollutants.
The object of the invention is achieved by the following steps: a power electric quantity balancing method considering atmospheric pollutant prevention and control comprises the following steps:
a) according to the total amount of the historical coal-electricity atmospheric pollutant emission, the total amount T of the atmospheric pollutant emission limit generated by the coal-electricity unit for planning the generation of the year is determined by combining the emission reduction indexes of various coal-electricity atmospheric pollutantsM；
b) Determining according to the coal electric charging machine and the coal electric clean emission reconstruction scheme in the planned yearCoefficient a of emission of various atmospheric pollutants of various coal-electric units in planned yearMi；
c) Calculating the overall emission coefficient A of various atmospheric pollutants of the coal electric unit according to the step (b)M Total：
In the formula: ciThe installed capacity of the coal-electric machine set i,
aMithe design amount of the emission of various atmospheric pollutants corresponding to each electricity generation of the coal electric unit i;
d) calculating the coal-electricity utilization hour limit value L of various atmospheric pollutants according to the step (a) and the step (c)M：
e) Limiting value L if coal electricity utilization hours of various atmospheric pollutantsMIf the value is more than or equal to the lowest value of the coal-electricity economic utilization hours, entering the step (f); if L isMIf the minimum value of the coal-electricity utilization hours is less than the minimum value of the coal-electricity economic utilization hours, newly adding machines or eliminating partial coal-electricity machines in the coal-electricity planning is reduced, the installed capacity of the coal-electricity in the planned year is reduced, and the limit value L of the coal-electricity utilization hours of various atmospheric pollutants is recalculatedMUp to the limit value L of the coal-electricity utilization hours of various atmospheric pollutantsMMore than or equal to the lowest value of coal-electricity economic utilization hours;
f) comparing the coal-electricity utilization hours obtained by the traditional electric power and electric quantity balance calculation with the coal-electricity utilization hour limit value of various atmospheric pollutants obtained by the calculation in the step (e): if the utilization hours of the coal and electricity are less than or equal to the limit value, the balance calculation is finished; if the coal-electricity utilization hours are larger than the limit value, firstly increasing the nuclear power generating capacity and the electric quantity of external water and electricity, if the coal-electricity utilization hours are still larger than the limit value obtained by calculation, optimizing and planning a newly-added power supply installation scheme until the coal-electricity utilization hours are smaller than the limit value of the coal-electricity utilization hours of various atmospheric pollutants;
the steps (a) to (f) are the influence factors introduced by the method after the prevention and the control of the atmospheric pollutants are considered, and compared with the coal-electricity utilization hours calculated by the traditional electric power and electric quantity balance method, the coal-electricity utilization hours considering the total amount of the atmospheric pollutants discharged are finally calculated and obtained by increasing the nuclear power generating capacity and the electric quantity of external water and electricity or optimizing and planning a newly-added power supply installation scheme, and the planned installation scheme is determined.
Preferably, the method comprises the following steps: in the step a), the total amount of the coal-electricity atmospheric pollutant emission is mainly divided into sulfur dioxide, nitrogen oxide, dust and carbon dioxide; the total limit amount T of the atmospheric pollutant emissionMMainly divided into sulfur dioxide emission limiting total amount TSO2Nitrogen oxide emission limiting total TNOXDust emission limit total TDustAnd a carbon dioxide emission limiting total amount TCO2；
In the step b), the emission coefficient a of various atmospheric pollutantsMiThe discharge coefficient a of sulfur dioxide is the discharge coefficient of various atmospheric pollutants corresponding to each unit generating electricity onceSO2iNitrogen oxide emission coefficient aNOXiDust emission coefficient aDust iAnd carbon dioxide emission coefficient aCO2i；
In the step c), the overall emission coefficient A of various atmospheric pollutantsM TotalMain component sulfur dioxide overall discharge coefficient ASO2 TotalOverall emission coefficient of nitrogen oxides ANOX assemblyOverall dust emission coefficient ADust assemblyAnd overall carbon dioxide emission coefficient ACO2 Total；
In the step d), the limit value L of the number of hours of coal-electricity utilization of various atmospheric pollutants isMCoal-electricity utilization hour limit value L mainly comprising sulfur dioxideSO2Limit value L of nitrogen oxide coal electricity utilization hoursNOXLimit value L of coal dust electricity utilization hoursDustLimit value L of coal-electricity utilization hours of carbon dioxideCO2；
In the step f), if the coal electricity charging machine is adjusted, the coal electricity utilization hours and the limit value are changed; if the coal-electricity charging machine is adjusted, the utilization hours of the coal electricity will change.
The method considers the limit of the total emission amount of the coal-electricity atmospheric pollutants in the electric power and electric quantity balance calculation, determines the reasonable installation scale and the utilization hours of the coal-electricity unit in the planning year by gradually optimizing the planning power supply installation scheme, ensures that the total emission amount of various atmospheric pollutants of the coal-electricity unit meets the emission reduction index requirement of the atmospheric pollutants, is beneficial to reasonably making the electric power market plan, effectively controls the emission of the atmospheric pollutants of the coal-electricity unit, and improves the atmospheric environment from the planning source.
Drawings
Fig. 1 is a flowchart of an overall implementation of a power-electricity balancing method considering the control of atmospheric pollutants.
Detailed Description
The invention relates to a power and electric quantity balancing method considering prevention and control of atmospheric pollutants, which comprises the following steps:
a) according to the total amount of the historical coal-electricity atmospheric pollutant emission, the total amount T of the atmospheric pollutant emission limit generated by the coal-electricity unit for planning the generation of the year is determined by combining the emission reduction indexes of various coal-electricity atmospheric pollutantsM；
b) Determining the emission coefficient a of various atmospheric pollutants of each coal-electricity unit in the planned year according to the coal-electricity charging machine and the clean emission reconstruction scheme of the coal-electricityMi；
c) Calculating the overall emission coefficient A of various atmospheric pollutants of the coal electric unit according to the step (b)M Total：
In the formula: ciThe installed capacity of the coal-electric machine set i,
aMithe design amount of the emission of various atmospheric pollutants corresponding to each electricity generation of the coal electric unit i;
d) calculating the coal-electricity utilization hour limit value L of various atmospheric pollutants according to the step (a) and the step (c)M：
e) Limiting value L if coal electricity utilization hours of various atmospheric pollutantsMIf the value is more than or equal to the lowest value of the coal-electricity economic utilization hours, entering the step (f); if L isMIf the minimum value of the coal-electricity utilization hours is less than the minimum value of the coal-electricity economic utilization hours, newly adding machines or eliminating partial coal-electricity machines in the coal-electricity planning is reduced, the installed capacity of the coal-electricity in the planned year is reduced, and the limit value L of the coal-electricity utilization hours of various atmospheric pollutants is recalculatedMUp to the limit value L of the coal-electricity utilization hours of various atmospheric pollutantsMMore than or equal to the lowest value of coal-electricity economic utilization hours;
f) comparing the coal-electricity utilization hours obtained by the traditional electric power and electric quantity balance calculation with the coal-electricity utilization hour limit value of various atmospheric pollutants obtained by the calculation in the step (e): if the utilization hours of the coal and electricity are less than or equal to the limit value, the balance calculation is finished; if the coal-electricity utilization hours are larger than the limit value, firstly increasing the nuclear power generating capacity and the electric quantity of external water and electricity, if the coal-electricity utilization hours are still larger than the limit value obtained by calculation, optimizing and planning a newly-added power supply installation scheme until the coal-electricity utilization hours are smaller than the limit value of the coal-electricity utilization hours of various atmospheric pollutants;
the steps (a) to (f) are the influence factors introduced by the method after the prevention and the control of the atmospheric pollutants are considered, and compared with the coal-electricity utilization hours calculated by the traditional electric power and electric quantity balance method, the coal-electricity utilization hours considering the total amount of the atmospheric pollutants discharged are finally calculated and obtained by increasing the nuclear power generating capacity and the electric quantity of external water and electricity or optimizing and planning a newly-added power supply installation scheme, and the planned installation scheme is determined.
In the step a), the total amount of the coal-electricity atmospheric pollutant emission is mainly divided into sulfur dioxide, nitrogen oxide, dust and carbon dioxide; the total limit amount T of the atmospheric pollutant emissionMMainly divided into sulfur dioxide emission limiting total amount TSO2Nitrogen oxide emission limiting total TNOXDust emission limit total TDustAnd a carbon dioxide emission limiting total amount TCO2；
The steps areIn the step b), the emission coefficients a of various atmospheric pollutants areMiThe discharge coefficient a of sulfur dioxide is the discharge coefficient of various atmospheric pollutants corresponding to each unit generating electricity onceSO2iNitrogen oxide emission coefficient aNOXiDust emission coefficient aDust iAnd carbon dioxide emission coefficient aCO2i；
In the step c), the overall emission coefficient A of various atmospheric pollutantsM TotalMain component sulfur dioxide overall discharge coefficient ASO2 TotalOverall emission coefficient of nitrogen oxides ANOX assemblyOverall dust emission coefficient ADust assemblyAnd overall carbon dioxide emission coefficient ACO2 Total；
In the step d), the limit value L of the number of hours of coal-electricity utilization of various atmospheric pollutants isMCoal-electricity utilization hour limit value L mainly comprising sulfur dioxideSO2Limit value L of nitrogen oxide coal electricity utilization hoursNOXLimit value L of coal dust electricity utilization hoursDustLimit value L of coal-electricity utilization hours of carbon dioxideCO2；
In the step f), if the coal electricity charging machine is adjusted, the coal electricity utilization hours and the limit value are changed; if the coal-electricity charging machine is adjusted, the utilization hours of the coal electricity will change.
Example (b):
the invention will be described in detail below with reference to the following drawings: fig. 1 is a flowchart of an overall implementation of the power-electricity balancing method considering the prevention and treatment of atmospheric pollutants according to the present invention, which is implemented mainly by 10 steps:
step 1) forecasting and planning annual power consumption and load according to historical power consumption and load;
step 2) forecasting and planning various types of installation machines in the year according to the historical installation machines (including coal power, nuclear power, renewable energy power generation, incoming calls and the like) and the plan of new installation machines;
step 3) carrying out power balance calculation according to the prediction results of the step 1) and the step 2), and calculating the profit and loss of the power; if the balance is basically balanced, entering the step 4); if the balance is not balanced, the additional installation machine is newly added through optimization planning until the balance is basically achieved;
step 4), carrying out electric quantity balance calculation, and calculating the utilization hours of coal and electricity; if the utilization hours of the coal and electricity are within a reasonable range, entering the step 5); if the coal electricity utilization hours are not in the reasonable range, firstly adjusting the nuclear power generating capacity and the electric quantity of external water electricity, if the coal electricity utilization hours are calculated to be still beyond the reasonable range, and then optimizing and planning a new installation adding scheme until the coal electricity utilization hours meet the reasonable range.
The steps 1) to 4) are the conventional power electric quantity balance calculation method.
And step 5) determining the total emission limit T of the atmospheric pollutants generated by the coal-electric unit for planning the generation of the year according to the historical total emission amount (mainly comprising sulfur dioxide, nitrogen oxide, dust and carbon dioxide) of the coal-electric atmospheric pollutants and by combining emission reduction and reduction indexes of various types of atmospheric pollutants of the coal-electricM(the principal component being the total sulfur dioxide emission limit TSO2Nitrogen oxide emission limiting total TNOXDust emission limit total TDustAnd a carbon dioxide emission limiting total amount TCO2)；
Step 6) determining the emission coefficients a of various atmospheric pollutants of various coal-electric units in the planned year according to the coal-electric charging machine and the coal-electric clean emission reconstruction scheme in the planned yearMi(namely, each unit generates electricity once and corresponds to various atmospheric pollutant discharge amount, and the main sub-sulfur dioxide discharge coefficient aSO2iNitrogen oxide emission coefficient aNOXiDust emission coefficient aDust iAnd carbon dioxide emission coefficient aCO2i)；
Step 7) calculating the overall emission coefficient A of various atmospheric pollutants of the coal electric unit according to the step 6)M Total(main component of sulfur dioxide overall emission coefficient A)SO2 TotalOverall emission coefficient of nitrogen oxides ANOX assemblyOverall dust emission coefficient ADust assemblyAnd overall carbon dioxide emission coefficient ACO2 Total)：
In the formula: ciThe installed capacity of the coal-electric machine set i,
aMithe design amount of the emission of various atmospheric pollutants corresponding to each electricity generation of the coal electric unit i;
step 8) calculating the coal-electricity utilization hour limit value L of various atmospheric pollutants according to the step 5) and the step 7)M(main component sulfur dioxide coal electricity utilization hour limit value LSO2Limit value L of nitrogen oxide coal electricity utilization hoursNOXLimit value L of coal dust electricity utilization hoursDustLimit value L of coal-electricity utilization hours of carbon dioxideCO2)：
Step 9) limiting value L of coal-electricity utilization hours of various atmospheric pollutantsMIf the value is more than or equal to the lowest value of the coal-electricity economic utilization hours, the step 10) is carried out; if L isMIf the value is less than the lowest value of the coal-electricity economic utilization hours, reducing newly-added coal-electricity planning machines or eliminating partial coal-electricity planning machines to reduce the coal-electricity installed capacity of the planned year, returning to the step 6), and recalculating the coal-electricity utilization hour limit value L of various atmospheric pollutantsMUp to the limit value L of the coal-electricity utilization hours of various atmospheric pollutantsMIs more than or equal to the lowest value of coal-electricity economic utilization hours.
Step 10) comparing the coal-electricity utilization hours calculated in the step (4) with the coal-electricity utilization hour limit values of various atmospheric pollutants calculated in the step (9): if the utilization hours of the coal and electricity are less than or equal to the limit value, the balance calculation is finished; if the coal electricity utilization hour is larger than the limit value, firstly increasing the nuclear power generation capacity and the electric quantity of external water and electricity, if the coal electricity utilization hour is still larger than the limit value obtained by calculation, optimizing and planning a newly-added power supply installation scheme (if the coal electricity installation is adjusted, the coal electricity utilization hour and the limit value are changed, and if the coal electricity installation is adjusted except for the coal electricity installation, the coal electricity utilization hour is changed) until the coal electricity utilization hour is smaller than the coal electricity utilization hour limit value of various atmospheric pollutants.
The steps (5) to (10) are to newly add the introduced influence factors considering the prevention and control of the atmospheric pollutants, compare the introduced influence factors with the coal-electricity utilization hours calculated by the traditional electric power and electric quantity balancing method from the step (1) to the step (4), and finally calculate the coal-electricity utilization hours considering the emission total quantity requirements of the atmospheric pollutants by adjusting the nuclear power generating capacity and the electric quantity of external water and electricity or optimizing and planning a new installation machine and the like, and determine a planning installation scheme.
Example (c):
taking the power and electricity balance calculation in a certain area as an example:
(1) according to historical electricity consumption and load, 4000 hundred million kilowatt hours and 7200 kilowatt of electricity consumption in a planned year are predicted.
(2) According to the scheme of historical installation (including coal power, nuclear power, renewable energy power generation, incoming calls and the like) and planning of new installation addition machines, 8200 ten thousand kilowatts are predicted to be installed in a planned year, wherein 4500 thousand kilowatts are generated by the coal power, 1200 ten thousand kilowatts are generated by the nuclear power, 400 thousand kilowatts are generated by pumped storage, 1300 thousand kilowatts are generated by the renewable energy power generation and 800 ten thousand kilowatts are generated by the external power.
(3) And (4) according to the prediction results of the step (1) and the step (2), considering the 10% load spare rate, carrying out power balance calculation, calculating power profit and loss and power basic balance, and entering the step (4).
(4) And carrying out electric quantity balance calculation, wherein the calculated coal-electricity utilization hour is about 5480.
(5) According to the total emission limit (mainly comprising sulfur dioxide, nitrogen oxide, dust and carbon dioxide, in this example, only sulfur dioxide is taken as an example) of each atmospheric pollutant of the historical coal-electricity, the total emission limit T of the sulfur dioxide of the coal-electricity in the planned year is confirmed by combining the emission reduction indexes of the atmospheric pollutants of the coal-electricitySO219 million tons.
(6) Determining the sulfur dioxide emission coefficient a of each coal-electricity unit in the planned year according to the coal-electricity charging machine and the clean emission reconstruction scheme of the coal-electricitySO2i。
(7) Calculating the total sulfur dioxide emission coefficient A of the coal electric unitSO2 Total40.25 tons/hour:
(8) according to the step (5) and the step (7), calculating a sulfur dioxide coal electricity utilization hour limit value LSO24720 hours:
(9) limit value L of coal-electricity utilization hour of sulfur dioxideSO2And (4) the value is larger than the minimum value of coal-electricity economic utilization hours (3800 hours in the embodiment), and the step (10) is carried out.
Comparing the coal electricity utilization hours obtained by calculation in the step (4) with the sulfur dioxide coal electricity utilization hour limit value obtained by calculation in the step (9), wherein the coal electricity utilization hours are larger than the limit value, firstly adjusting the generated energy by adjusting the nuclear power utilization hours and the external power utilization hours (the nuclear power utilization hours are increased from 7300 hours to 7800 hours, and the external power utilization hours are increased from 4500 hours to 5000 hours), calculating to obtain the coal electricity utilization hours of 5250 hours which are still larger than the limit value, then optimizing and planning a new installation increasing scheme (reducing 4 x 100 million thousands of coal installations, increasing 4 x 125 million kilowatts of nuclear power installations), recalculating to obtain the sulfur dioxide coal electricity utilization hour limit value of 5157 hours, the coal electricity utilization hours of 5120 hours, and the coal electricity utilization hours of less than the sulfur dioxide coal electricity utilization hour limit value. Finally, determining a new planning installation scheme of the planning year: the general installation machine is 8300 ten thousand kilowatts, wherein the coal power is 4100 thousand kilowatts, the nuclear power is 1700 thousand kilowatts, the pumped storage power generation is 400 thousand kilowatts, the renewable energy source power generation is 1300 thousand kilowatts, the external power is 800 thousand kilowatts, and the electric power is basically balanced; when the coal electricity utilization hours are 5120 hours, the electricity quantity is basically balanced, and meanwhile, the requirement of limiting the total sulfur dioxide emission quantity of the coal electricity is met.
Claims (2)
1. A power electric quantity balancing method considering atmospheric pollutant prevention and control is characterized by comprising the following steps:
a) according to the total amount of the historical coal-electricity atmospheric pollutant emission, the total amount T of the atmospheric pollutant emission limit generated by the coal-electricity unit for planning the generation of the year is determined by combining the emission reduction indexes of various coal-electricity atmospheric pollutantsM；
b) According to planned years of coal electricityThe method comprises the steps of determining the design amount a of various atmospheric pollutants discharged by each watt-hour electricity of a coal-electricity unit according to the scheme of clean discharge modification of installed machines and coal-electricity unitsMi；
c) Calculating the overall emission coefficient A of various atmospheric pollutants of the coal electric unit according to the step (b)M Total：
In the formula: ciThe installed capacity of the coal-electric machine set i,
aMithe design amount of the emission of various atmospheric pollutants corresponding to each electricity generation of the coal electric unit i;
d) calculating the coal-electricity utilization hour limit value L of various atmospheric pollutants according to the step (a) and the step (c)M：
e) Limiting value L if coal electricity utilization hours of various atmospheric pollutantsMIf the value is more than or equal to the lowest value of the coal-electricity economic utilization hours, entering the step (f); if L isMIf the minimum value of the coal-electricity utilization hours is less than the minimum value of the coal-electricity economic utilization hours, newly adding machines or eliminating partial coal-electricity machines in the coal-electricity planning is reduced, the installed capacity of the coal-electricity in the planned year is reduced, and the limit value L of the coal-electricity utilization hours of various atmospheric pollutants is recalculatedMUp to the limit value L of the coal-electricity utilization hours of various atmospheric pollutantsMMore than or equal to the lowest value of coal-electricity economic utilization hours;
f) comparing the coal-electricity utilization hours obtained by the traditional electric power and electric quantity balance calculation with the coal-electricity utilization hour limit value of various atmospheric pollutants obtained by the calculation in the step (e): if the utilization hours of the coal and electricity are less than or equal to the limit value, the balance calculation is finished; if the coal-electricity utilization hours are larger than the limit value, firstly increasing the nuclear power generating capacity and the electric quantity of external water and electricity, if the coal-electricity utilization hours are still larger than the limit value, optimally planning a newly-added power supply installation scheme until the coal-electricity utilization hours are smaller than the limit value of the coal-electricity utilization hours of various atmospheric pollutants.
2. The electric power quantity balancing method considering the prevention and treatment of the atmospheric pollutants as claimed in claim 1, wherein:
in the step a), the coal-electricity atmospheric pollutants are mainly sulfur dioxide, nitrogen oxides, dust and carbon dioxide; the total limit amount T of the atmospheric pollutant emissionMMainly divided into sulfur dioxide emission limiting total amount TSO2Nitrogen oxide emission limiting total TNOXDust emission limit total TDustAnd a carbon dioxide emission limiting total amount TCO2；
In the step b), the coal electric machine set i generates various atmospheric pollutant emission design quantities a corresponding to one-degree electricity generationMiMainly divided by sulfur dioxide emission coefficient aSO2iNitrogen oxide emission coefficient aNOXiDust emission coefficient aDust iAnd carbon dioxide emission coefficient aCO2i；
In the step c), the overall emission coefficient A of various atmospheric pollutantsM TotalMain component sulfur dioxide overall discharge coefficient ASO2 TotalOverall emission coefficient of nitrogen oxides ANOX assemblyOverall dust emission coefficient ADust assemblyAnd overall carbon dioxide emission coefficient ACO2 Total；
In the step d), the limit value L of the number of hours of coal-electricity utilization of various atmospheric pollutants isMCoal-electricity utilization hour limit value L mainly comprising sulfur dioxideSO2Limit value L of nitrogen oxide coal electricity utilization hoursNOXLimit value L of coal dust electricity utilization hoursDustLimit value L of coal-electricity utilization hours of carbon dioxideCO2；
In the step f), if the coal electricity charging machine is adjusted, the coal electricity utilization hours and the limit value are changed; if the installations other than the coal electricity are adjusted, the coal electricity utilization hours will change.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710256976.9A CN107194539B (en) | 2017-04-19 | 2017-04-19 | Electric power and electric quantity balancing method considering prevention and control of atmospheric pollutants |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710256976.9A CN107194539B (en) | 2017-04-19 | 2017-04-19 | Electric power and electric quantity balancing method considering prevention and control of atmospheric pollutants |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107194539A CN107194539A (en) | 2017-09-22 |
| CN107194539B true CN107194539B (en) | 2020-08-25 |
Family
ID=59872091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710256976.9A Active CN107194539B (en) | 2017-04-19 | 2017-04-19 | Electric power and electric quantity balancing method considering prevention and control of atmospheric pollutants |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107194539B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107679747B (en) * | 2017-09-30 | 2020-11-13 | 国网青海省电力公司 | Control method for photovoltaic output tracking environment governing load demand |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8277543B2 (en) * | 2010-12-02 | 2012-10-02 | Bert Zauderer | Fossil fuel fired, closed cycle MHD generator in parallel with steam turbine cycle with zero emissions and CO2 sequestration |
| CN104123596A (en) * | 2014-07-30 | 2014-10-29 | 南方电网科学研究院有限责任公司 | Power supply optimization planning method considering renewable energy sources |
| CN106021892A (en) * | 2016-05-12 | 2016-10-12 | 广东电网有限责任公司电网规划研究中心 | Method and device for determining construction space of heat-engine plant on basis of PM2.5 forming contribution rate |
| CN106056245A (en) * | 2016-05-30 | 2016-10-26 | 国家电网公司 | Provincial level low-carbon energy program analysis method |
-
2017
- 2017-04-19 CN CN201710256976.9A patent/CN107194539B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8277543B2 (en) * | 2010-12-02 | 2012-10-02 | Bert Zauderer | Fossil fuel fired, closed cycle MHD generator in parallel with steam turbine cycle with zero emissions and CO2 sequestration |
| CN104123596A (en) * | 2014-07-30 | 2014-10-29 | 南方电网科学研究院有限责任公司 | Power supply optimization planning method considering renewable energy sources |
| CN106021892A (en) * | 2016-05-12 | 2016-10-12 | 广东电网有限责任公司电网规划研究中心 | Method and device for determining construction space of heat-engine plant on basis of PM2.5 forming contribution rate |
| CN106056245A (en) * | 2016-05-30 | 2016-10-26 | 国家电网公司 | Provincial level low-carbon energy program analysis method |
Non-Patent Citations (1)
| Title |
|---|
| 火电厂大气污染物与温室气体协同减排效应核算及负荷优化控制研究;汤烨;《中国优秀硕士学位论文全文库》;20150228;全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107194539A (en) | 2017-09-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107153885B (en) | Real-time power generation plan optimization method considering deep peak shaving of thermal power generating unit | |
| CN106682810B (en) | Long-term operation method of cross-basin cascade hydropower station group under dynamic production of giant hydropower station | |
| CN105305435B (en) | A kind of region electric power subtracts carbon amounts computational methods | |
| CN102074954A (en) | Comprehensive energy-conservation evaluation and decision-making method for urban and rural distribution network | |
| CN104123596B (en) | A kind of electricity optimization planing method for considering regenerative resource | |
| CN103390904A (en) | Analysis method of renewable energy grid-connected power generation | |
| CN110533236A (en) | A kind of power station refines peak regulation dispatching method in short term | |
| CN105303243A (en) | Blast furnace gas prediction balancing and scheduling system and method | |
| CN105184474B (en) | A kind of consideration irregularly limits economic load dispatching method in the Hydroelectric Plant of Operational Zone | |
| Wang et al. | Developing a more comprehensive energy efficiency index for coal production: Indicators, methods and case study | |
| CN110932261B (en) | Multi-energy system joint installation planning method based on global benefit maximization | |
| CN107194539B (en) | Electric power and electric quantity balancing method considering prevention and control of atmospheric pollutants | |
| CN101593975B (en) | Energy-saving power generation dispatching method | |
| Liwen et al. | An analysis on the low-carbon benefits of smart grid of China | |
| Urban et al. | Renewable and low-carbon energies as mitigation options of climate change for China | |
| CN108695893B (en) | Method for decomposing influence factors of new energy electric quantity abandoning of provincial power grid | |
| Wen et al. | Forecasting CO2 mitigation and policy options for China's key sectors in 2010–2030 | |
| CN106203704B (en) | Introduce the generating set CO2 emissions measuring method of water-storage device | |
| CN115099489B (en) | Industrial and commercial energy storage system capacity configuration method based on optimal economic measurement and calculation | |
| Yisui et al. | Analysis of the grey correlation between energy consumption and economic growth in Fujian Province | |
| Xie | Level and drivers of China’s construction industry energy efficiency under carbon dioxide emissions | |
| Liu et al. | Energy saving generation dispatch for sustainable development of energy utilizing in china | |
| CN111179111B (en) | Thermal power generating unit annual electric quantity plan making method based on coefficient fairness of foundation | |
| Huang et al. | The quantitative assessment method for flexibility adjustment of self-supplied power plants | |
| CN105574778B (en) | Wind power quality quantitative segmentation method based on optimized calculation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |