CN113205208A - Comprehensive energy system exergy efficiency and energy efficiency assessment method considering primary energy permeability - Google Patents

Comprehensive energy system exergy efficiency and energy efficiency assessment method considering primary energy permeability Download PDF

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CN113205208A
CN113205208A CN202110441895.2A CN202110441895A CN113205208A CN 113205208 A CN113205208 A CN 113205208A CN 202110441895 A CN202110441895 A CN 202110441895A CN 113205208 A CN113205208 A CN 113205208A
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钟永洁
李玉平
胡兵
王玉婷
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Nanjing SAC Automation Co Ltd
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Abstract

The invention discloses a comprehensive energy system considering the permeability of primary energy
Figure DDA0003035346340000011
The invention relates to an efficiency and energy efficiency evaluation method, which determines the input total of each energy type of an energy supply side
Figure DDA0003035346340000012
Values including external grid purchase input determined on account of primary energy source permeability
Figure DDA0003035346340000013
A value; determining the output sum of each energy type at the energy consumption side
Figure DDA0003035346340000014
A value; output according to energy consumption side
Figure DDA0003035346340000015
Value and energy supply side input assembly
Figure DDA0003035346340000016
Ratio of values to each other
Figure DDA0003035346340000017
And (5) evaluating efficiency. Introduction of the invention
Figure DDA0003035346340000018
Efficiency quantifies this characteristic. The invention determines the electricity purchasing input of the external power grid on the basis of considering the permeability of the primary energy source
Figure DDA0003035346340000019
Value, comprehensive consideration of multi-type energy quality, determined comprehensive energy system input total
Figure DDA00030353463400000110
The energy efficiency of the comprehensive energy system can be evaluated more objectively and effectively by comprehensively considering two attributes of 'quantity' and 'quality' of energy.

Description

Comprehensive energy system exergy efficiency and energy efficiency assessment method considering primary energy permeability
Technical Field
The invention relates to an integrated energy system, in particular to an integrated energy system considering primary energy permeability
Figure BDA0003035346320000012
Provided is an efficiency and energy efficiency evaluation method.
Background
With the worldwide concern about low carbon, economy, high efficiency and sustainable development, the cooperative optimization operation of various energy sources, such as cold, heat, electricity, gas and the like, becomes a new possible way for improving the operation efficiency of the system. The comprehensive energy system relates to the interconnection and coupling of various types of energy such as cold, heat, electricity, gas and the like, and comprises various devices, so that the operation condition of the whole system is more complex. The energy network covering multiple energy fields of electricity, gas, heat, cold and the like is constructed, technical barriers and management barriers among heterogeneous energy sources are broken, resource optimization configuration and energy cascade utilization are achieved, and new energy consumption is improved.
The development of modern smart power grids and energy internet puts high requirements on energy efficiency indexes of the comprehensive energy system. However, the prior art is lack of comprehensive consideration of energy quality characteristics, and the quantity characteristic of the energy is more concerned.
Disclosure of Invention
The invention aims to provide a comprehensive energy system considering the permeability of primary energy
Figure BDA0003035346320000013
An efficiency and energy efficiency evaluation method comprehensively considers diversified energy supply and energy utilization and establishes a comprehensive energy system from the energy quality perspective
Figure BDA0003035346320000014
The efficiency and energy efficiency evaluation method is used for realizing high-efficiency scheduling operation of the multi-energy complementary comprehensive energy system and promoting new energy consumption.
The present invention adopts the following scheme. In one aspect, an integrated energy system is provided that accounts for primary energy penetration
Figure BDA0003035346320000015
The efficiency and energy efficiency evaluation method comprises the following steps: acquiring an energy type and corresponding parameters of an energy supply side and an energy type and corresponding parameters of an energy consumption side;
determining the input of each energy type according to the energy type and corresponding parameters of the energy supply side
Figure BDA0003035346320000021
Value including purchase input from external network
Figure BDA0003035346320000022
Value, the external network purchasing power input
Figure BDA0003035346320000023
The value is determined on the basis of accounting for the permeability of the primary energy source; for each input
Figure BDA0003035346320000024
Summing the values to obtain an energy supply side input sum
Figure BDA0003035346320000025
The value of the one or more of the one,
determining the output of each energy type according to the energy type and corresponding parameters of the energy consumption side
Figure BDA0003035346320000026
Value, to each output
Figure BDA0003035346320000027
Summing the values to obtain an energy consumption side output sum
Figure BDA0003035346320000028
A value;
output according to energy consumption side
Figure BDA0003035346320000029
Value and energy supply side input assembly
Figure BDA00030353463200000210
Ratio of values to each other
Figure BDA00030353463200000211
And (5) evaluating efficiency.
Further, still include: output by energy consumption side
Figure BDA00030353463200000212
Value and energy supply side input assembly
Figure BDA00030353463200000213
And the maximum value ratio is used as an optimization target, and the optimization target is solved to obtain an optimized comprehensive energy system scheduling result.
In another aspect, the present invention provides an integrated energy system that accounts for primary energy penetration
Figure BDA00030353463200000214
An efficiency and energy assessment system comprising: data acquisition module and energy supply side input assembly
Figure BDA00030353463200000215
Value determination module and energy consumption side output assembly
Figure BDA00030353463200000216
Value determination module and
Figure BDA00030353463200000217
an efficiency and energy efficiency evaluation module; the data acquisition module is used for acquiring the energy type and the corresponding parameters of the energy supply side and the energy type and the corresponding parameters of the energy consumption side;
the energy supply side input assembly
Figure BDA00030353463200000218
A value determining module for determining input of each energy type according to the energy type and corresponding parameters of the energy supply side
Figure BDA00030353463200000219
Value including purchase input from external network
Figure BDA00030353463200000220
Value, the external network purchasing power input
Figure BDA00030353463200000221
The value is determined on the basis of accounting for the permeability of the primary energy source; for each input
Figure BDA00030353463200000222
Summing the values to obtain an energy supply side input sum
Figure BDA00030353463200000223
The value of the one or more of the one,
the energy consumption side output assembly
Figure BDA00030353463200000224
A value determining module for determining output of each energy type according to the energy type and corresponding parameters of the energy consumption side
Figure BDA0003035346320000031
Value, to each output
Figure BDA0003035346320000032
Summing the values to obtain an energy consumption side output sum
Figure BDA0003035346320000033
A value;
the above-mentioned
Figure BDA0003035346320000034
An efficiency evaluation module for outputting the total output according to the energy consumption side
Figure BDA0003035346320000035
Value and energy supply side input assembly
Figure BDA0003035346320000036
Ratio of values to each other
Figure BDA0003035346320000037
And (5) evaluating efficiency.
Further, the system also comprises
Figure BDA0003035346320000038
An efficiency optimization module, said
Figure BDA0003035346320000039
An efficiency and energy efficiency optimization module for outputting the total output by the energy consumption side
Figure BDA00030353463200000310
Value and energy supply side input assembly
Figure BDA00030353463200000311
Ratio of valuesThe maximum value is used as an optimization target, the optimization target is solved to obtain an optimized comprehensive energy system scheduling result
The invention has the following beneficial technical effects: along with the energy step conversion, the energy quality is gradually reduced, so that different forms of energy have different quality levels besides the quantitative connection, and the invention introduces
Figure BDA00030353463200000312
Efficiency quantifies this characteristic. The invention determines the electricity purchasing input of the external power grid on the basis of considering the permeability of the primary energy source
Figure BDA00030353463200000313
Value, comprehensive consideration of multi-type energy quality, determined comprehensive energy system input total
Figure BDA00030353463200000314
The energy efficiency of the comprehensive energy system can be evaluated more objectively and effectively by comprehensively considering two attributes of 'quantity' and 'quality' of energy;
the invention realizes high-quality utilization of cold, heat, electricity, gas and the like, such as energy cascade utilization and the like, meets the diversified energy utilization requirements of users, realizes high-efficiency dispatching operation of a multi-energy complementary comprehensive energy system, and promotes new energy consumption.
The invention takes into account a primary energy permeability factor from
Figure BDA00030353463200000315
The comprehensive energy system collaborative scheduling optimization is carried out in the energy efficiency angle, and high-quality utilization of energy and improvement of energy efficiency are facilitated; diversified energy supply and energy utilization requirements are fully and comprehensively considered, resource optimization configuration and energy cascade utilization are facilitated, and consumption of new energy such as wind energy and solar energy is promoted.
Drawings
FIG. 1 is a flow chart of an embodiment of the present invention;
FIG. 2 is a diagram of an integrated energy system architecture according to an embodiment of the present invention;
FIG. 3 is a plot of a load demand and new energy forecast for a campus integrated energy system;
FIG. 4 is a diagram of a regional integrated energy system load demand and new energy prediction algorithm;
FIG. 5 shows a park integrated energy system
Figure BDA0003035346320000043
A plot of the change in efficiency from time period to time period;
fig. 6 shows the permeability of the primary energy source for different types of energy sources to generate electricity in the purchased electric energy, which changes from time to time.
Detailed Description
The technical solution of the present invention is described in detail below with reference to the drawings and the specific embodiments, but the scope of the present invention is not limited to the embodiments.
Comprehensive energy system considering primary energy permeability
Figure BDA0003035346320000044
The efficiency and energy efficiency evaluation method, as shown in fig. 1, includes the following steps:
(1) inputting an integrated energy system dataset
And inputting a data set of the comprehensive energy system, wherein the data set comprises data sets of energy types of an energy supply side, energy types of an energy consumption side, environmental temperature and the like.
(2) Establishing
Figure BDA0003035346320000045
Efficiency evaluation model
A. Input at the side of energy supply
Figure BDA0003035346320000046
Value of
Figure BDA0003035346320000041
In the formula: EXinFor energy supply side input assembly
Figure BDA0003035346320000047
A value;
Figure BDA0003035346320000042
respectively purchasing power from external network
Figure BDA0003035346320000048
Value, renewable energy power generation input
Figure BDA0003035346320000049
Value, biomass power generation input
Figure BDA00030353463200000410
Value, natural gas power generation input
Figure BDA00030353463200000411
The value is obtained.
B. Energy consumption side output
Figure BDA00030353463200000412
Value of
Figure BDA0003035346320000051
In the formula: EXoutOutput for energy consumption side
Figure BDA00030353463200000510
A value;
Figure BDA0003035346320000052
respectively cold load output
Figure BDA00030353463200000511
Value, heat load output
Figure BDA00030353463200000512
Value, electrical load output
Figure BDA00030353463200000513
Value, natural gasLoad output
Figure BDA00030353463200000516
The value is obtained.
C、
Figure BDA00030353463200000514
Efficiency and energy assessment
Figure BDA0003035346320000053
In the formula:
Figure BDA0003035346320000054
for integration of an integrated energy system
Figure BDA00030353463200000515
Efficiency; EXoutOutput for energy consumption side
Figure BDA00030353463200000517
A value; EXinFor energy supply side input assembly
Figure BDA00030353463200000518
The value is obtained.
(3) Establishing energy supply side input
Figure BDA00030353463200000519
Value model
A. External network electricity purchasing input
Figure BDA00030353463200000520
Value of
Figure BDA0003035346320000055
In the formula:
Figure BDA0003035346320000056
purchasing power input for external network
Figure BDA00030353463200000521
A value;
Figure BDA0003035346320000057
respectively showing the permeability of a new energy source in outsourcing power, the permeability of a coal source in outsourcing power and the permeability of a natural gas source in outsourcing power at the moment t; etacoal、ηgasThe average generating efficiency of the coal-fired thermal power generating unit and the average generating efficiency of the gas generating unit are respectively;
Figure BDA0003035346320000058
is outsourcing power at time t; delta t is a scheduling optimization step length; NT is a scheduling optimization period;
Figure BDA0003035346320000059
the total amount of renewable energy power generation, the total amount of power generation of a coal-fired thermal power generating unit, the total amount of power generation of a gas generating unit and the total amount of power generation of all types of generating units at the energy supply side of the comprehensive energy system at the moment t are respectively.
B. Renewable energy power generation input
Figure BDA00030353463200000617
Value of
Figure BDA0003035346320000061
In the formula:
Figure BDA0003035346320000062
power generation input for renewable energy sources
Figure BDA00030353463200000618
A value;
Figure BDA0003035346320000063
respectively representing wind power generation capacity and photovoltaic power generation capacity at the moment t; delta t is a scheduling optimization step length; NT is the scheduling optimization period.
C. Biomass power generation input
Figure BDA00030353463200000619
Value of
Figure BDA0003035346320000064
In the formula:
Figure BDA0003035346320000065
generating electricity for biomass
Figure BDA00030353463200000620
A value; zetabbIs biomass
Figure BDA00030353463200000621
A factor;
Figure BDA0003035346320000066
is the biomass fuel quantity at time t; delta t is a scheduling optimization step length; NT is the scheduling optimization period.
D. Natural gas power generation input
Figure BDA00030353463200000622
Value of
Figure BDA0003035346320000067
In the formula:
Figure BDA0003035346320000068
for power input of natural gas
Figure BDA00030353463200000623
A value; zetagAs natural gas
Figure BDA00030353463200000624
A factor;
Figure BDA0003035346320000069
is the natural gas fuel quantity at time t; delta t is a scheduling optimization step length; NT is the scheduling optimization period.
(4) Establishing energy consumption side output
Figure BDA00030353463200000625
Value model
A. Cold load output
Figure BDA00030353463200000626
Value of
Figure BDA00030353463200000610
In the formula:
Figure BDA00030353463200000611
for cold load output
Figure BDA00030353463200000627
A value;
Figure BDA00030353463200000612
the working environment temperature and the reference point temperature are used for cooling at the moment t;
Figure BDA00030353463200000613
is the cooling load on the energy consumption side at time t; delta t is a scheduling optimization step length; NT is the scheduling optimization period.
B. Heat load output
Figure BDA00030353463200000628
Value of
Figure BDA00030353463200000614
In the formula:
Figure BDA00030353463200000615
for heat load output
Figure BDA00030353463200000629
A value;
Figure BDA00030353463200000616
working environment temperature and reference point temperature during heat supply at the moment t;
Figure BDA0003035346320000071
is the thermal load on the energy consumption side at time t; delta t is a scheduling optimization step length; NT is the scheduling optimization period.
C. Output of electrical load
Figure BDA00030353463200000710
Value of
Figure BDA0003035346320000072
In the formula:
Figure BDA0003035346320000073
for outputting of electrical loads
Figure BDA00030353463200000711
A value;
Figure BDA0003035346320000074
is the electrical load on the energy consumption side at time t; delta t is a scheduling optimization step length; NT is the scheduling optimization period.
D. Natural gas load export
Figure BDA00030353463200000712
Value of
Figure BDA0003035346320000075
In the formula:
Figure BDA0003035346320000076
for natural gas load export
Figure BDA00030353463200000713
A value;
Figure BDA0003035346320000077
is the natural gas load on the energy consumption side at time t; delta t is a scheduling optimization step length; NT is the scheduling optimization period.
(5) Put forward
Figure BDA00030353463200000714
Efficiency and energy efficiency optimal scheduling operation model
Figure BDA0003035346320000078
In the formula:
Figure BDA0003035346320000079
for integration of an integrated energy system
Figure BDA00030353463200000715
Efficiency; EXoutOutput for energy consumption side
Figure BDA00030353463200000716
A value; EXinFor energy supply side input assembly
Figure BDA00030353463200000717
The value is obtained.
(6) Outputting an integrated energy system dataset
Outputting the data set of the comprehensive energy system, including the energy consumption ratios of various types at the energy supply side and the energy consumption ratios of various types at the energy consumption side, and optimizing
Figure BDA00030353463200000718
Efficiency, new energy consumption and the like.
This exampleIn the middle, a typical day in winter in a certain area is taken as an analysis research object, the simulation step length is set to be 1 hour, and the optimized scheduling operation period is set to be 24 hours. Integrated energy system taking primary energy permeability into account in embodiment
Figure BDA00030353463200000719
The comprehensive energy system architecture and the multi-type energy flow relationship of the efficiency and energy efficiency evaluation method are shown in fig. 2.
In fig. 2, an integrated energy system taking into account the permeability of primary energy
Figure BDA0003035346320000081
The example architecture of the efficiency and energy efficiency evaluation method mainly comprises three parts, namely a regional comprehensive energy system, an energy distribution station and a park comprehensive energy system. In the regional comprehensive energy system part, an energy transmission system comprises an electric power system, a thermodynamic system and a gas system, an input source of the regional comprehensive energy system comprises wind power, photovoltaic power, thermal power, an air source and coal, the electric power system, the thermodynamic system and the gas system are coupled and interconnected and energy conversion is carried out through an electric boiler, a combined heat and power supply, electricity is converted into gas, and gas boiler equipment, energy consumption requirements mainly comprise electric loads, thermal loads and gas loads, and the regional comprehensive energy system transmits different types of energy to a power distribution station. The energy distribution station mainly comprises a power distribution station and a gas distribution station, and is a middle coupling conversion and distribution hub of a regional comprehensive energy system and a park comprehensive energy system. In the park comprehensive energy system part, the energy distribution station inputs electric energy and natural gas energy to the park comprehensive energy system, distributed small-scale photovoltaic and wind power can inject electric energy into the park comprehensive energy system, biomass injects fuel into a biomass boiler, and terminal loads mainly comprise electric loads, heat loads, cold loads and gas loads, namely consumption side output loads
Figure BDA0003035346320000082
Part of, the input of the park's integrated energy system
Figure BDA0003035346320000083
And output
Figure BDA0003035346320000084
The coupling conversion is carried out through equipment such as an electric refrigerator, an ice cold storage air conditioner, a ground source heat pump, an absorption refrigerator, a gas turbine, a waste heat recovery device, a biomass boiler, a gas boiler and the like. Comprehensive energy system taking primary energy permeability into account in invention
Figure BDA0003035346320000085
The calculation example of the efficiency and energy efficiency evaluation method has a wide engineering application scene, and has typical representativeness and universality.
Comprehensive energy system for park in embodiment
Figure BDA0003035346320000086
Evaluating efficiency and energy efficiency, and forming output by various types of loads in the park comprehensive energy system
Figure BDA0003035346320000087
Input of power distribution station, gas distribution station, photovoltaic, wind power and biomass composition
Figure BDA0003035346320000088
The change of the energy permeability is changed through the input change of wind power, photovoltaic power, thermal power and an air source of a regional comprehensive energy system, and the change of the component proportion of the electric energy source and the change of the distribution volume in power distribution is directly reflected. In the embodiment of the present invention shown in fig. 2, the analysis is performed only in the winter scene, and the energy flow of the cooling part is not turned on.
The basic parameter setting in this embodiment includes: the thermal load, electrical load, and gas load demand and the predicted output of wind power and photovoltaic in the park integrated energy system are shown in fig. 3, and the parameter information of the main energy conversion equipment is shown in table 1. The heat load, the electric load, the gas load demand and the predicted output of wind power and photovoltaic in the regional integrated energy system are shown in fig. 4, and the parameter information of main energy conversion equipment is shown in table 2, wherein 2 thermal power units are provided and are respectively abbreviated as thermal power #1 and thermal power # 2.
TABLE 1 park Integrated energy System Primary energy conversion device parameters
Figure BDA0003035346320000091
TABLE 2 regional Integrated energy System Primary energy conversion device parameters
Figure BDA0003035346320000092
The results of this example were analyzed as follows: park comprehensive energy system
Figure BDA0003035346320000093
The variation of the efficiency from time period to time period is shown in fig. 5, and the result in fig. 5 is simulated on the basis of the regional integrated system and the park integrated system as a whole, and the optimization target is the optimization of the energy efficiency, namely, the park integrated energy system
Figure BDA0003035346320000094
And (4) efficiency scheduling, wherein the occupation ratio of different types of energy power generation of the electricity purchasing power is the variable quantity of the primary energy permeability, and the park comprehensive energy system and the regional comprehensive energy system are mutually coupled through tie line data. As is evident from the view of figure 5,
Figure BDA0003035346320000101
the efficiency fluctuation range is relatively large, the efficiency fluctuation range is continuously changed in the optimized dispatching cycle, and the simulation result is clear and visual in each time period
Figure BDA0003035346320000102
The efficiency state can be effectively evaluated by the technology of the invention
Figure BDA0003035346320000103
The variation of the efficiency.
Further, the park comprehensive energy system purchases electricityThe permeability of the primary energy source for the generation of electricity from different types of energy in the energy varies from time to time as shown in fig. 6, in the usual case
Figure BDA0003035346320000104
In the related research of efficiency optimization scheduling, the component factors of input electric energy, namely the ratio of new energy power generation, the ratio of coal-fired unit power generation, the ratio of gas unit power generation and the like in the electricity purchasing electric energy are not considered, however, in the application of actual engineering scenes, the input is input
Figure BDA0003035346320000105
The input is influenced by values, in particular by the composition of the electrical energy purchased
Figure BDA0003035346320000106
The different proportions of the various components of the electric energy source, the different efficiencies of the various types of generating sets and the different grades of the various types of energy sources can directly or indirectly influence
Figure BDA0003035346320000107
Efficiency and the output condition of each power supply of the regional comprehensive energy system.
According to the graph 6, the new energy permeability in the regional integrated energy system can influence the park integrated energy system
Figure BDA0003035346320000108
Efficiency and energy efficiency, it can be seen that the comprehensive energy system of the present invention takes into account the permeability of primary energy
Figure BDA0003035346320000109
The efficiency and energy efficiency evaluation method can effectively and accurately evaluate
Figure BDA00030353463200001010
The efficiency and the influence factors reflecting the permeability of the primary energy source have obvious creativity.
And the comprehensive energy system taking the permeability of the primary energy into account provided by the embodiment
Figure BDA00030353463200001011
Corresponding to the efficiency and energy efficiency evaluation method, the embodiment of the invention provides a comprehensive energy system considering the primary energy permeability
Figure BDA00030353463200001012
An efficiency and energy assessment system comprising: data acquisition module and energy supply side input assembly
Figure BDA00030353463200001013
Value determination module and energy consumption side output assembly
Figure BDA00030353463200001014
Value determination module and
Figure BDA00030353463200001015
an efficiency and energy efficiency evaluation module;
the data acquisition module is used for acquiring the energy type and the corresponding parameters of the energy supply side and the energy type and the corresponding parameters of the energy consumption side;
the energy supply side input assembly
Figure BDA0003035346320000111
A value determining module for determining input of each energy type according to the energy type and corresponding parameters of the energy supply side
Figure BDA0003035346320000112
Value including purchase input from external network
Figure BDA0003035346320000113
Value, the external network purchasing power input
Figure BDA0003035346320000114
The value is determined on the basis of accounting for the permeability of the primary energy source; for each input
Figure BDA0003035346320000115
Value is calculatedAnd obtaining an energy supply side input assembly
Figure BDA0003035346320000116
The value of the one or more of,
the energy consumption side output assembly
Figure BDA0003035346320000117
A value determining module for determining output of each energy type according to the energy type and corresponding parameters of the energy consumption side
Figure BDA0003035346320000118
Value, to each output
Figure BDA0003035346320000119
Summing the values to obtain an energy consumption side output sum
Figure BDA00030353463200001110
A value;
the above-mentioned
Figure BDA00030353463200001111
An efficiency evaluation module for outputting the total output according to the energy consumption side
Figure BDA00030353463200001112
Value and energy supply side input assembly
Figure BDA00030353463200001113
Ratio of values to each other
Figure BDA00030353463200001114
And (5) evaluating efficiency.
Optionally, the system further comprises
Figure BDA00030353463200001115
An efficiency optimization module, said
Figure BDA00030353463200001116
An efficiency and energy optimization module for eliminating energyFee side output assembly
Figure BDA00030353463200001117
Value and energy supply side input assembly
Figure BDA00030353463200001118
And the maximum value ratio is used as an optimization target, and the optimization target is solved to obtain an optimized comprehensive energy system scheduling result.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses/units or modules may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (10)

1. Comprehensive energy system considering primary energy permeability
Figure FDA0003035346310000011
The efficiency and energy efficiency evaluation method is characterized by comprising the following steps: acquiring an energy type and corresponding parameters of an energy supply side and an energy type and corresponding parameters of an energy consumption side;
determining the input of each energy type according to the energy type and corresponding parameters of the energy supply side
Figure FDA0003035346310000012
Value including purchase input from external network
Figure FDA0003035346310000013
Value, the external power grid purchasing power transmissionInto
Figure FDA0003035346310000014
The value is determined on the basis of accounting for the permeability of the primary energy source; for each input
Figure FDA0003035346310000015
Summing the values to obtain an energy supply side input sum
Figure FDA0003035346310000016
The value of the one or more of the one,
determining the output of each energy type according to the energy type and corresponding parameters of the energy consumption side
Figure FDA0003035346310000017
Value, to each output
Figure FDA0003035346310000018
Summing the values to obtain an energy consumption side output sum
Figure FDA0003035346310000019
A value;
output according to energy consumption side
Figure FDA00030353463100000110
Value and energy supply side input assembly
Figure FDA00030353463100000111
Ratio of values to each other
Figure FDA00030353463100000112
And (5) evaluating efficiency.
2. The integrated energy system of claim 1 taking into account primary energy penetration
Figure FDA00030353463100000113
The efficiency and energy efficiency evaluation method is characterized by further comprising the following steps: output by energy consumption side
Figure FDA00030353463100000114
Value and energy supply side input assembly
Figure FDA00030353463100000115
And the maximum value ratio is used as an optimization target, and the optimization target is solved to obtain an optimized comprehensive energy system scheduling result.
3. The integrated energy system of claim 1 taking into account primary energy penetration
Figure FDA00030353463100000116
The efficiency and energy efficiency assessment method is characterized in that the input of each energy type
Figure FDA00030353463100000117
Value except for external power supply purchasing input
Figure FDA00030353463100000118
The value also includes renewable energy power generation input
Figure FDA00030353463100000119
Value, biomass power generation input
Figure FDA00030353463100000120
Value and/or natural gas power generation input
Figure FDA00030353463100000121
The value is obtained.
4. The integrated energy system of claim 3 taking into account primary energy penetration
Figure FDA00030353463100000122
The efficiency and energy efficiency assessment method is characterized in that the renewable energy power generation input
Figure FDA00030353463100000123
The values are calculated as follows:
Figure FDA0003035346310000021
in the formula (I), the compound is shown in the specification,
Figure FDA0003035346310000022
power generation input for renewable energy sources
Figure FDA00030353463100000211
A value;
Figure FDA0003035346310000023
is the wind power generation amount at the moment t,
Figure FDA0003035346310000024
Is the photovoltaic power generation at time t; delta t is a scheduling optimization step length; NT is the scheduling optimization period.
5. The integrated energy system of claim 3 taking into account primary energy penetration
Figure FDA00030353463100000212
The efficiency and energy efficiency assessment method is characterized in that the biomass power generation input
Figure FDA00030353463100000213
The values are calculated as follows:
Figure FDA0003035346310000025
in the formula:
Figure FDA0003035346310000026
generating electricity for biomass
Figure FDA00030353463100000214
A value; zetabbIs biomass
Figure FDA00030353463100000215
A factor;
Figure FDA0003035346310000027
is the biomass fuel quantity at time t; delta t is a scheduling optimization step length; NT is the scheduling optimization period.
6. The integrated energy system of claim 3 taking into account primary energy penetration
Figure FDA00030353463100000216
The efficiency and energy efficiency assessment method is characterized in that natural gas power generation input
Figure FDA00030353463100000217
The values are calculated as follows:
Figure FDA0003035346310000028
in the formula:
Figure FDA0003035346310000029
for power input of natural gas
Figure FDA00030353463100000218
A value; zetagAs natural gas
Figure FDA00030353463100000219
Factor(s)；
Figure FDA00030353463100000210
Is the natural gas fuel quantity at time t; delta t is a scheduling optimization step length; NT is the scheduling optimization period.
7. The integrated energy system of claim 1 taking into account primary energy penetration
Figure FDA00030353463100000220
The efficiency and energy efficiency assessment method is characterized in that the power purchasing input of an external power grid
Figure FDA00030353463100000221
The values are calculated as follows:
Figure FDA0003035346310000031
in the formula:
Figure FDA0003035346310000032
purchasing power input for external network
Figure FDA00030353463100000314
A value;
Figure FDA0003035346310000033
in order to increase the permeability of the new energy source in the outsourcing power at the moment t,
Figure FDA0003035346310000034
the permeability of the coal primary energy source in the outsourcing power supply at the time t,
Figure FDA0003035346310000035
Is the natural gas primary energy source permeability in the outsourcing electricity at the moment t; etacoalThe average power generation efficiency eta of the coal-fired thermal power generating unitgasThe average generating efficiency of the gas turbine set is obtained;
Figure FDA0003035346310000036
is outsourcing power at time t; delta t is a scheduling optimization step length; NT is a scheduling optimization period;
Figure FDA0003035346310000037
Figure FDA0003035346310000038
the total amount of renewable energy power generation, the total amount of power generation of a coal-fired thermal power generating unit, the total amount of power generation of a gas generating unit and the total amount of power generation of all types of generating units at the energy supply side of the comprehensive energy system at the moment t are respectively.
8. The integrated energy system of claim 1 taking into account primary energy penetration
Figure FDA00030353463100000315
An efficiency and energy efficiency evaluation method characterized by outputting of each energy type
Figure FDA00030353463100000316
The value comprising the cold load output
Figure FDA00030353463100000317
Value, heat load output
Figure FDA00030353463100000318
Value, electrical load output
Figure FDA00030353463100000319
Value and/or natural gas load output
Figure FDA00030353463100000320
A value; wherein
Cold load output
Figure FDA00030353463100000321
The values are calculated as follows:
Figure FDA0003035346310000039
in the formula:
Figure FDA00030353463100000310
for cold load output
Figure FDA00030353463100000322
A value;
Figure FDA00030353463100000311
for the operating ambient temperature at the time t for cooling,
Figure FDA00030353463100000312
is the reference point temperature when cooling is supplied at time t;
Figure FDA00030353463100000313
is the cooling load on the energy consumption side at time t; delta t is a scheduling optimization step length; NT is a scheduling optimization period;
heat load output
Figure FDA00030353463100000412
The values are calculated as follows:
Figure FDA0003035346310000041
in the formula:
Figure FDA0003035346310000042
for heat load output
Figure FDA00030353463100000413
A value;
Figure FDA0003035346310000043
in order to provide the working environment temperature at the moment t,
Figure FDA0003035346310000044
is the reference point temperature when heat is supplied at time t;
Figure FDA0003035346310000045
is the thermal load on the energy consumption side at time t;
output of electrical load
Figure FDA00030353463100000414
The values are calculated as follows:
Figure FDA0003035346310000046
in the formula:
Figure FDA0003035346310000047
for outputting of electrical loads
Figure FDA00030353463100000415
A value;
Figure FDA0003035346310000048
is the electrical load on the energy consumption side at time t;
natural gas load export
Figure FDA00030353463100000416
The values are calculated as follows:
Figure FDA0003035346310000049
in the formula：
Figure FDA00030353463100000410
For natural gas load export
Figure FDA00030353463100000417
A value;
Figure FDA00030353463100000411
is the natural gas load on the energy consumption side at time t.
9. Comprehensive energy system considering primary energy permeability
Figure FDA00030353463100000418
An efficiency and energy efficiency evaluation system, comprising: data acquisition module and energy supply side input assembly
Figure FDA00030353463100000419
Value determination module and energy consumption side output assembly
Figure FDA00030353463100000420
Value determination module and
Figure FDA00030353463100000421
an efficiency and energy efficiency evaluation module;
the data acquisition module is used for acquiring the energy type and the corresponding parameters of the energy supply side and the energy type and the corresponding parameters of the energy consumption side;
the energy supply side input assembly
Figure FDA00030353463100000422
A value determining module for determining input of each energy type according to the energy type and corresponding parameters of the energy supply side
Figure FDA00030353463100000423
Value including purchase input from external network
Figure FDA00030353463100000424
Value, the external network purchasing power input
Figure FDA00030353463100000425
The value is determined on the basis of accounting for the permeability of the primary energy source; for each input
Figure FDA00030353463100000426
Summing the values to obtain an energy supply side input sum
Figure FDA00030353463100000427
The value of the one or more of the one,
the energy consumption side output assembly
Figure FDA0003035346310000051
A value determining module for determining output of each energy type according to the energy type and corresponding parameters of the energy consumption side
Figure FDA0003035346310000052
Value, to each output
Figure FDA0003035346310000053
Summing the values to obtain an energy consumption side output sum
Figure FDA0003035346310000054
A value;
the above-mentioned
Figure FDA0003035346310000055
An efficiency evaluation module for outputting the total output according to the energy consumption side
Figure FDA0003035346310000056
Value and energy supply side input assembly
Figure FDA0003035346310000057
Ratio of values to each other
Figure FDA0003035346310000058
And (5) evaluating efficiency.
10. The integrated energy system of claim 9 taking into account primary energy penetration
Figure FDA0003035346310000059
The efficiency and energy efficiency evaluation system is characterized by further comprising
Figure FDA00030353463100000510
An efficiency optimization module, said
Figure FDA00030353463100000511
An efficiency and energy efficiency optimization module for outputting the total output by the energy consumption side
Figure FDA00030353463100000512
Value and energy supply side input assembly
Figure FDA00030353463100000513
And the maximum value ratio is used as an optimization target, and the optimization target is solved to obtain an optimized comprehensive energy system scheduling result.
CN202110441895.2A 2021-04-23 2021-04-23 An efficiency and energy efficiency evaluation method of a comprehensive energy system accounting for primary energy permeability, wherein the efficiency and energy efficiency evaluation method comprises 15794 Active CN113205208B (en)

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