CN113205208B - 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 - Google Patents

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 Download PDF

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CN113205208B
CN113205208B CN202110441895.2A CN202110441895A CN113205208B CN 113205208 B CN113205208 B CN 113205208B CN 202110441895 A CN202110441895 A CN 202110441895A CN 113205208 B CN113205208 B CN 113205208B
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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 value comprehensively considers two attributes of 'quantity' and 'quality' of energy, and a comprehensive energy system can be evaluated more objectively and effectivelyAnd (4) energy efficiency.

Description

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
Technical Field
The invention relates to an integrated energy system, in particular to an integrated energy system considering primary energy permeability
Figure SMS_1
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 SMS_2
An efficiency and energy efficiency evaluation method comprehensively considers diversified energy supply and energy utilization and establishes a comprehensive energy system based on energy quality>
Figure SMS_3
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 SMS_4
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 SMS_5
Value, including external network purchase input->
Figure SMS_6
Value, the external network purchasing input->
Figure SMS_7
The value is determined on the basis of accounting for the permeability of the primary energy source; for each input->
Figure SMS_8
Value is summed to obtain an energy supply side input total &>
Figure SMS_9
Value of,
determining the output of each energy type according to the energy type and corresponding parameters of the energy consumption side
Figure SMS_10
Value, for each output->
Figure SMS_11
The values are summed to obtain the energy consumption side output total->
Figure SMS_12
A value;
output according to energy consumption side
Figure SMS_13
Value and energy supply side input total->
Figure SMS_14
The ratio of the values is taken>
Figure SMS_15
And (5) evaluating efficiency.
Further, still include: output by energy consumption side
Figure SMS_16
Value and energy supply side input total->
Figure SMS_17
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 SMS_18
An efficiency and energy assessment system comprising: data acquisition module and energy supply side input total->
Figure SMS_19
Value determination module and energy consumption side output total->
Figure SMS_20
Value determination module and>
Figure SMS_21
an efficiency and energy efficiency evaluation module; the data acquisition module is used for acquiring the energy type and corresponding parameters of an energy supply side and the energy type and corresponding parameters of an energy consumption side;
the energy supply side input assembly
Figure SMS_22
A value determining module for determining the input of each energy type according to the energy type and corresponding parameters on the energy supply side>
Figure SMS_23
Value, including external network purchase input->
Figure SMS_24
Value, the external network purchasing input->
Figure SMS_25
The value is determined on the basis of accounting for the permeability of the primary energy source; for each input->
Figure SMS_26
Value is summed to obtain an energy supply side input total &>
Figure SMS_27
The value of the sum of the values,
the energy consumption side output assembly
Figure SMS_28
A value determining module for determining the output of each energy type based on the energy type of the energy consumption side and the corresponding parameters>
Figure SMS_29
Value, for each output->
Figure SMS_30
The values are summed to obtain the energy consumption side output total->
Figure SMS_31
A value;
the above-mentioned
Figure SMS_32
An efficiency and energy efficiency evaluation module used for outputting total ^ according to the energy consumption side>
Figure SMS_33
Value and energy supply side input assembly
Figure SMS_34
Value ratio proceeds>
Figure SMS_35
And (5) evaluating efficiency.
Further, the system also comprises
Figure SMS_36
Efficiency and energy efficiency optimization moduleIn said +>
Figure SMS_37
An efficiency and energy efficiency optimization module for outputting a sum on the energy consumption side>
Figure SMS_38
Value and energy supply side input total>
Figure SMS_39
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
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 SMS_40
Efficiency quantifies this characteristic. The invention determines the electricity purchasing input of the external power grid on the basis of considering the penetration rate of the primary energy source>
Figure SMS_41
Value, combined consideration of multi-type energy quality, determined combined energy system input total->
Figure SMS_42
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 SMS_43
The energy efficiency angle is used for carrying out the collaborative scheduling optimization of the comprehensive energy system, thereby being beneficial to the high-quality utilization of energy and the improvement of energy efficiency(ii) a Diversified energy supply and energy utilization requirements are fully and comprehensively considered, and the method is favorable for realizing resource optimal allocation and energy cascade utilization and promoting the consumption of new energy such as wind energy, solar energy and the like.
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 comprehensive energy system of a park
Figure SMS_44
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 SMS_45
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 SMS_46
Efficiency evaluation model
A. Input at the side of energy supply
Figure SMS_47
Value of
Figure SMS_48
/>
In the formula: EX in For energy supply side input assembly
Figure SMS_49
A value; />
Figure SMS_50
Respectively purchase the electricity input for the external power grid>
Figure SMS_51
Value, renewable energy generation input>
Figure SMS_52
Value, biomass power generation input->
Figure SMS_53
Value, natural gas power generation input->
Figure SMS_54
The value is obtained.
B. Energy consumption side export
Figure SMS_55
Value of
Figure SMS_56
In the formula: EX out Output for energy consumption side
Figure SMS_57
A value; />
Figure SMS_58
Respectively outputs a cold load->
Figure SMS_59
Value, heat load output->
Figure SMS_60
Value, electrical load output->
Figure SMS_61
Value, natural gas load output->
Figure SMS_62
The value is obtained.
C、
Figure SMS_63
Efficiency and energy assessment
Figure SMS_64
In the formula:
Figure SMS_65
is integrated for an integrated energy system>
Figure SMS_66
Efficiency; EX out Output for energy consumption side>
Figure SMS_67
A value; EX in For inputting the total for the energy supply side>
Figure SMS_68
The value is obtained.
(3) Establishing energy supply side input
Figure SMS_69
Value model
A. External network electricity purchasing input
Figure SMS_70
Value of
Figure SMS_71
In the formula:
Figure SMS_72
for external power grid to purchase the electricity input->
Figure SMS_73
A value; />
Figure SMS_74
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; eta coal 、η gas The average generating efficiency of the coal-fired thermal power generating unit and the average generating efficiency of the gas generating unit are respectively; />
Figure SMS_75
Is outsourcing power at time t; delta t is a scheduling optimization step length; NT is a scheduling optimization period; />
Figure SMS_76
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 SMS_77
Value of
Figure SMS_78
In the formula:
Figure SMS_79
power generation input for renewable energy sources>
Figure SMS_80
A value; />
Figure SMS_81
Respectively the wind power generation amount and the photovoltaic power generation amount at the moment t; delta t is a scheduling optimization step length; NT is the scheduling optimization period.
C. Biomass power generation input
Figure SMS_82
Value of
Figure SMS_83
In the formula:
Figure SMS_84
generating electricity input for biomass>
Figure SMS_85
A value; ζ represents a unit bb Is based on the charge substance>
Figure SMS_86
A factor; />
Figure SMS_87
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 SMS_88
Value of
Figure SMS_89
In the formula:
Figure SMS_90
for the electricity generation input of natural gas->
Figure SMS_91
A value; zeta g For natural gas>
Figure SMS_92
A factor; />
Figure SMS_93
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 SMS_94
Value model
A. Cold load output
Figure SMS_95
Value of
Figure SMS_96
In the formula:
Figure SMS_97
output for cold load->
Figure SMS_98
A value; />
Figure SMS_99
The working environment temperature and the reference point temperature are used for cooling at the moment t; />
Figure SMS_100
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 SMS_101
Value of
Figure SMS_102
In the formula:
Figure SMS_103
output for a heat load>
Figure SMS_104
A value; />
Figure SMS_105
Working environment temperature and reference point temperature during heat supply at the moment t; />
Figure SMS_106
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 SMS_107
Value of
Figure SMS_108
In the formula:
Figure SMS_109
output for an electrical load>
Figure SMS_110
A value; />
Figure SMS_111
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 SMS_112
Value of
Figure SMS_113
In the formula:
Figure SMS_114
for natural gas load export>
Figure SMS_115
A value; />
Figure SMS_116
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 SMS_117
Efficiency and energy efficiency optimal scheduling operation model
Figure SMS_118
In the formula:
Figure SMS_119
is integrated for an integrated energy system>
Figure SMS_120
Efficiency; EX out Output for energy consumption side>
Figure SMS_121
A value; EX in For inputting the total for the energy supply side>
Figure SMS_122
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 SMS_123
Efficiency, new energy consumption and the like.
In this embodiment, a typical day in winter in a certain area is used as an analysis research object, the simulation step size is set to 1 hour, and the optimal scheduling operation period is set to 24 hours. Integrated energy system taking primary energy permeability into account in embodiment
Figure SMS_124
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 SMS_125
The example architecture of the efficiency and energy efficiency assessment method mainly comprises three parts, namelyIs 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, thermal power, an air source and coal, the electric power system, the thermodynamic system and the gas system are coupled, interconnected and energy-converted through an electric boiler, a thermoelectric cogeneration device, an electric gas conversion device and a gas boiler device, energy consumption requirements mainly comprise an electric load, a thermal load and a gas load, 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 comprehensive energy system part of the park, the energy distribution station inputs electric energy and natural gas energy to the comprehensive energy system of the park, distributed small-scale photovoltaic and wind power can inject electric energy into the comprehensive energy system of the park, biomass injects fuel into a biomass boiler, terminal loads mainly comprise electric loads, heat loads, cold loads and gas loads, and the loads are output on a consumption side (or on a consumption side)>
Figure SMS_126
Part of the park, the input of the park integrated energy system>
Figure SMS_127
And output->
Figure SMS_128
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. The comprehensive energy system taking into account the permeability of the primary energy source in the invention>
Figure SMS_129
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 SMS_130
Evaluating the efficiency and the energy efficiency, and combining various types of loads in the park comprehensive energy system to output->
Figure SMS_131
The power distribution station, the gas distribution station, the photovoltaic, the wind power and the biomass form an input->
Figure SMS_132
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 Main energy conversion equipment parameters of park Integrated energy System
Figure SMS_133
TABLE 2 regional Integrated energy System Primary energy conversion device parameters
Figure SMS_134
The results of this example were analyzed as follows: park comprehensive energy system
Figure SMS_135
The efficiency varies from time period to time period as shown in fig. 5, where the result is a regional summary in fig. 5The combined system and the park integrated system are simulated as a whole, and the optimization target is the energy efficiency optimization, namely the based on the & ltSUB & gt/SUB & gt of the park integrated energy system>
Figure SMS_136
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. It can be clearly seen from fig. 5 that->
Figure SMS_137
The efficiency fluctuation range is relatively large, the efficiency fluctuation range continuously changes in the optimized scheduling period, and the simulation result is clear and intuitive and reflects the comprehensive energy system of the park in each time period>
Figure SMS_138
The efficiency state, the technology of the invention can effectively evaluate out->
Figure SMS_139
The variation of the efficiency.
Further, the permeability of the primary energy source for different types of energy generation in the electric energy purchased by the park integrated energy system changes from time to time as shown in fig. 6, and in the normal situation
Figure SMS_140
In the related research of the efficiency optimization scheduling, the component factors of the input electric energy are not considered, namely the ratio of new energy power generation in the electricity purchasing electric energy, the ratio of coal-fired unit power generation, the ratio of gas unit power generation and the like, however, in the application of the actual engineering scene, the input ^ is greater or less than the preset value>
Figure SMS_141
The value, in particular the contribution of the electrical energy purchase, influences the input->
Figure SMS_142
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 be directly or directlyIndirect influencing>
Figure SMS_143
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 comprehensive energy system can influence the comprehensive energy system of the park
Figure SMS_144
Efficiency and energy efficiency, it can be seen that the integrated energy system of the invention, taking into account the permeability of the primary energy source>
Figure SMS_145
The efficiency and energy efficiency evaluation method can effectively and accurately evaluate>
Figure SMS_146
Efficiency and reflecting the influence factors of the permeability of primary energy, and the technology of the invention has obvious creativity.
And the comprehensive energy system taking the permeability of the primary energy into account provided by the embodiment
Figure SMS_147
In accordance with the efficiency and energy assessment method, embodiments of the present invention provide an integrated energy system based on primary energy penetration>
Figure SMS_148
Efficiency evaluation system includes: data acquisition module and energy supply side input total->
Figure SMS_149
Value determination module and energy consumption side output total->
Figure SMS_150
Value determination module and>
Figure SMS_151
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 SMS_152
A value determining module for determining the input of each energy type according to the energy type and corresponding parameters on the energy supply side>
Figure SMS_153
Value, including external network purchase input->
Figure SMS_154
Value, the external network purchasing input->
Figure SMS_155
The value is determined on the basis of accounting for the permeability of the primary energy source; for each input->
Figure SMS_156
The values are summed to obtain the energy supply side input total->
Figure SMS_157
Value of,
the energy consumption side output assembly
Figure SMS_158
A value determining module for determining the output of each energy type based on the energy type of the energy consumption side and the corresponding parameters>
Figure SMS_159
Value, for each output>
Figure SMS_160
Value is summed up to an energy consumption side output sum->
Figure SMS_161
A value;
the above-mentioned
Figure SMS_162
An efficiency and energy efficiency evaluation module for evaluating the energy according to the energySource-consumer side output summation>
Figure SMS_163
Value and energy supply side input assembly
Figure SMS_164
The ratio of the values is taken>
Figure SMS_165
And (5) evaluating efficiency. />
Optionally, the system further comprises
Figure SMS_166
An efficiency-efficiency optimization module that £ vs>
Figure SMS_167
An efficiency and energy efficiency optimization module for outputting the total->
Figure SMS_168
Value and energy supply side input total>
Figure SMS_169
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 so forth) 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 particular illustrative embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but is intended to cover various modifications, equivalent arrangements, and equivalents thereof, which may be made by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (2)

1. And a meterComprehensive energy system of primary energy permeability
Figure FDA0004067465250000011
The efficiency and energy efficiency evaluation method is characterized by comprising the following steps:
collecting the energy type and corresponding parameters of an energy supply side and the 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 FDA0004067465250000012
Values including external grid Electricity purchasing input>
Figure FDA0004067465250000013
Value, the external network purchasing input->
Figure FDA0004067465250000014
The value is determined on the basis of accounting for the permeability of the primary energy source; for each input->
Figure FDA0004067465250000015
The values are summed to obtain the energy supply side input total->
Figure FDA0004067465250000016
A value;
determining the output of each energy type according to the energy type and corresponding parameters of the energy consumption side
Figure FDA0004067465250000017
Value, for each output>
Figure FDA0004067465250000018
The values are summed to obtain the energy consumption side output total->
Figure FDA0004067465250000019
A value;
output according to energy consumption side
Figure FDA00040674652500000110
Value and energy supply side input total->
Figure FDA00040674652500000111
Value ratio proceeds>
Figure FDA00040674652500000112
Evaluating efficiency;
further comprising: output by energy consumption side
Figure FDA00040674652500000113
Value and energy supply side input total>
Figure FDA00040674652500000114
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;
input of various energy types
Figure FDA00040674652500000115
The value is not provided with the input of the external power grid for purchasing electricity>
Figure FDA00040674652500000116
The value also includes a renewable energy generation input >>
Figure FDA00040674652500000117
Value, biomass power generation input->
Figure FDA00040674652500000118
Value and/or gas power input->
Figure FDA00040674652500000119
A value;
the renewable energy power generation input
Figure FDA00040674652500000120
The values are calculated as follows:
Figure FDA00040674652500000121
in the formula (I), the compound is shown in the specification,
Figure FDA0004067465250000021
power generation input for renewable energy sources>
Figure FDA0004067465250000022
A value; />
Figure FDA0004067465250000023
For the wind power generation at instant t>
Figure FDA0004067465250000024
Is the photovoltaic power generation at time t; delta t is a scheduling optimization step length; NT is a scheduling optimization period;
biomass power generation input
Figure FDA0004067465250000025
The values are calculated as follows:
Figure FDA0004067465250000026
in the formula:
Figure FDA0004067465250000027
generates electricity to the biomass and inputs>
Figure FDA0004067465250000028
A value; zeta bb Based on the growth substance>
Figure FDA0004067465250000029
A factor; />
Figure FDA00040674652500000210
Is the biomass fuel quantity at time t; delta t is a scheduling optimization step length; NT is a scheduling optimization period;
natural gas power generation input
Figure FDA00040674652500000211
The values are calculated as follows:
Figure FDA00040674652500000212
in the formula:
Figure FDA00040674652500000213
for natural gas power generation input>
Figure FDA00040674652500000214
A value; zeta g Is based on natural gas>
Figure FDA00040674652500000215
A factor; />
Figure FDA00040674652500000216
Is the natural gas fuel quantity at time t; delta t is a scheduling optimization step length; NT is a scheduling optimization period; external power grid electricity purchasing input->
Figure FDA00040674652500000217
The values are calculated as follows: />
Figure FDA00040674652500000218
In the formula:
Figure FDA00040674652500000219
for external power grid to purchase the electricity input->
Figure FDA00040674652500000220
A value; />
Figure FDA00040674652500000221
For the penetration rate of the new energy source in the purchased electricity at the moment t, the ratio of the new energy source to the source is selected>
Figure FDA00040674652500000222
Is the penetration rate of the primary energy source of coal in outsourcing electricity at the moment t>
Figure FDA00040674652500000223
Is the natural gas primary energy source permeability in the outsourcing electricity at the moment t; eta coal The average power generation efficiency eta of the coal-fired thermal power generating unit gas The average generating efficiency of the gas turbine set is obtained; />
Figure FDA00040674652500000224
Is outsourcing power at time t; delta t is a scheduling optimization step length; NT is a scheduling optimization period; />
Figure FDA0004067465250000031
Figure FDA0004067465250000032
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;
output of each energy type
Figure FDA0004067465250000033
Value bagOutputs the cold load together>
Figure FDA0004067465250000034
Value, heat load output->
Figure FDA0004067465250000035
Value, electrical load output->
Figure FDA0004067465250000036
Value and/or gas load output->
Figure FDA0004067465250000037
A value; wherein
Cold load output
Figure FDA0004067465250000038
The values are calculated as follows:
Figure FDA0004067465250000039
in the formula:
Figure FDA00040674652500000310
output for cooling load>
Figure FDA00040674652500000311
A value; />
Figure FDA00040674652500000312
For a working environment temperature at the time t for cooling, is>
Figure FDA00040674652500000313
Is the reference point temperature when cooling is supplied at time t; />
Figure FDA00040674652500000314
To the side of energy consumption at time tThe cold load of (2); delta t is a scheduling optimization step length; NT is a scheduling optimization period;
heat load output
Figure FDA00040674652500000315
The values are calculated as follows:
Figure FDA00040674652500000316
in the formula:
Figure FDA00040674652500000317
output for a heat load>
Figure FDA00040674652500000318
A value; />
Figure FDA00040674652500000319
For a working environment temperature at the moment t when supplying heat>
Figure FDA00040674652500000320
Is the reference point temperature when heat is supplied at time t; />
Figure FDA00040674652500000321
Is the thermal load on the energy consumption side at time t;
output of electrical load
Figure FDA00040674652500000322
The values are calculated as follows:
Figure FDA00040674652500000323
in the formula:
Figure FDA00040674652500000324
output for an electrical load>
Figure FDA00040674652500000325
A value; />
Figure FDA00040674652500000326
Is the electrical load on the energy consumption side at time t;
natural gas load export
Figure FDA00040674652500000327
The values are calculated as follows: />
Figure FDA0004067465250000041
In the formula:
Figure FDA0004067465250000042
output for natural gas load->
Figure FDA0004067465250000043
A value; />
Figure FDA0004067465250000044
Is the natural gas load on the energy consumption side at time t.
2. Comprehensive energy system considering primary energy permeability
Figure FDA0004067465250000045
An efficiency/energy efficiency evaluation system, comprising: data acquisition module and energy supply side input total->
Figure FDA0004067465250000046
Value determination module and energy consumption side output total->
Figure FDA0004067465250000047
Value determination module and>
Figure FDA0004067465250000048
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 FDA0004067465250000049
A value determining module for determining the input of each energy type according to the energy type and corresponding parameters on the energy supply side>
Figure FDA00040674652500000410
Value, including external network purchase input->
Figure FDA00040674652500000411
Value, said external grid purchase input>
Figure FDA00040674652500000412
The value is determined on the basis of accounting for the permeability of the primary energy source; for each input->
Figure FDA00040674652500000413
Summing the values to obtain an energy supply side input sum
Figure FDA00040674652500000414
A value;
the energy consumption side output assembly
Figure FDA00040674652500000415
A value determining module for determining the output of each energy type based on the energy type of the energy consumption side and the corresponding parameters>
Figure FDA00040674652500000416
Value, for each output->
Figure FDA00040674652500000417
Value is summed up to an energy consumption side output sum->
Figure FDA00040674652500000418
A value;
the above-mentioned
Figure FDA00040674652500000419
An efficiency and energy efficiency evaluation module used for outputting total & lt/EN & gt according to the energy consumption side>
Figure FDA00040674652500000420
Value and energy supply side input total->
Figure FDA00040674652500000421
The ratio of the values is taken>
Figure FDA00040674652500000422
Evaluating efficiency;
the system also comprises
Figure FDA00040674652500000423
Efficiency optimization module, said->
Figure FDA00040674652500000424
An efficiency and energy efficiency optimization module for outputting the total->
Figure FDA00040674652500000425
Value and energy supply side input total->
Figure FDA00040674652500000426
The maximum ratio of the values is used as the optimization target forSolving to obtain an optimized comprehensive energy system scheduling result;
input of various energy types
Figure FDA00040674652500000427
The value is not provided with the input of the external power grid for purchasing electricity>
Figure FDA00040674652500000428
The value also includes a renewable energy generation input >>
Figure FDA0004067465250000051
Value, biomass power generation input->
Figure FDA0004067465250000052
Value and/or gas power input->
Figure FDA00040674652500000520
A value;
the renewable energy power generation input
Figure FDA0004067465250000053
The values are calculated as follows:
Figure FDA0004067465250000054
in the formula (I), the compound is shown in the specification,
Figure FDA0004067465250000055
power generation input for renewable energy sources>
Figure FDA0004067465250000056
A value; />
Figure FDA0004067465250000057
For the wind power generation at instant t>
Figure FDA0004067465250000058
Is the photovoltaic power generation at time t; delta t is a scheduling optimization step length; NT is a scheduling optimization period;
biomass power generation input
Figure FDA0004067465250000059
The values are calculated as follows:
Figure FDA00040674652500000510
in the formula:
Figure FDA00040674652500000511
generates electricity to the biomass and inputs>
Figure FDA00040674652500000512
A value; zeta bb Is based on the charge substance>
Figure FDA00040674652500000513
A factor; />
Figure FDA00040674652500000514
Is the biomass fuel quantity at time t; delta t is a scheduling optimization step length; NT is a scheduling optimization period;
natural gas power generation input
Figure FDA00040674652500000515
The values are calculated as follows: />
Figure FDA00040674652500000516
In the formula:
Figure FDA00040674652500000517
for natural gas power generation input>
Figure FDA00040674652500000521
A value; ζ represents a unit g Is based on natural gas>
Figure FDA00040674652500000522
A factor; />
Figure FDA00040674652500000518
Is the natural gas fuel quantity at time t; delta t is a scheduling optimization step length; NT is a scheduling optimization period;
external network electricity purchasing input
Figure FDA00040674652500000519
The values are calculated as follows:
Figure FDA0004067465250000061
in the formula:
Figure FDA0004067465250000062
purchasing power input for external power grid>
Figure FDA0004067465250000063
A value; />
Figure FDA0004067465250000064
In order to change the penetration rate of the new energy source in the purchased electricity at the time t, the ratio of the penetration rate of the new energy source is changed into the value of the original energy source>
Figure FDA0004067465250000065
Is the penetration rate of the primary energy source of coal in outsourcing electricity at the moment t>
Figure FDA0004067465250000066
The permeability of the natural gas primary energy source in the outsourcing electricity at the moment t；η coal The average power generation efficiency eta of the coal-fired thermal power generating unit gas The average generating efficiency of the gas turbine set is obtained; />
Figure FDA0004067465250000067
Is outsourcing power at time t; delta t is a scheduling optimization step length; NT is a scheduling optimization period; />
Figure FDA0004067465250000068
Figure FDA0004067465250000069
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;
output of each energy type
Figure FDA00040674652500000610
The value comprises a cold load output->
Figure FDA00040674652500000611
Value, heat load output->
Figure FDA00040674652500000612
Value, electrical load output->
Figure FDA00040674652500000613
Value and/or gas load output->
Figure FDA00040674652500000614
A value; wherein
Cold load output
Figure FDA00040674652500000615
The values are calculated as follows:
Figure FDA00040674652500000616
in the formula:
Figure FDA00040674652500000617
output for cooling load>
Figure FDA00040674652500000618
A value; />
Figure FDA00040674652500000619
For a working ambient temperature at the time t for cooling purposes>
Figure FDA00040674652500000620
Is the reference point temperature when cooling is supplied at time t; />
Figure FDA00040674652500000621
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 FDA00040674652500000622
The values are calculated as follows:
Figure FDA0004067465250000071
in the formula:
Figure FDA0004067465250000072
output for a heat load>
Figure FDA0004067465250000073
A value; />
Figure FDA0004067465250000074
Is at the time ofWorking environment temperature at moment t during heat supply>
Figure FDA0004067465250000075
Is the reference point temperature when heat is supplied at the moment t; />
Figure FDA0004067465250000076
Is the thermal load on the energy consumption side at time t; />
Output of electrical load
Figure FDA0004067465250000077
The values are calculated as follows:
Figure FDA0004067465250000078
in the formula:
Figure FDA0004067465250000079
output for an electrical load>
Figure FDA00040674652500000710
A value; />
Figure FDA00040674652500000711
Is the electrical load on the energy consumption side at time t;
natural gas load export
Figure FDA00040674652500000712
The values are calculated as follows:
Figure FDA00040674652500000713
in the formula:
Figure FDA00040674652500000714
for natural gas load export/>
Figure FDA00040674652500000715
A value; />
Figure FDA00040674652500000716
Is the natural gas load on the energy consumption side at time t. />
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