CN113946966A - Performance evaluation method of heterogeneous energy system exergy and related device thereof - Google Patents
Performance evaluation method of heterogeneous energy system exergy and related device thereof Download PDFInfo
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Abstract
The application discloses heterogeneous energy systemA performance evaluation method and a related device thereof are provided, the method comprises the following steps: based on the energy quality of the system,The economy is improved,Environment-friendly construction heterogeneous energy systemThe performance evaluation index system comprises a plurality of evaluation indexesA first-level evaluation index and a second-level evaluation index; calculating a first weight of each primary evaluation index and a second weight of each secondary evaluation index; synthesizing the first weight and the second weight to obtain the comprehensive weight of each secondary evaluation index; calculating the weighted index value of each secondary evaluation index according to the index value and the comprehensive weight of each secondary evaluation index, and determining the heterogeneous energy system based on the weighted index value of each secondary evaluation indexThe performance evaluation result improves the technical problem that the performance evaluation index system of the existing heterogeneous energy system is not complete enough, so that the performance evaluation result is not ideal.
Description
Technical Field
Background
In the heterogeneous energy system, there are many kinds of energy (electric power, cold energy, heat energy, etc.), the equipment structure is complicated (gas turbine, internal combustion engine, exhaust-heat boiler, refrigerating unit, etc.), the operation mechanism is complicated (power generation, refrigeration, heating, etc.), and these factors easily cause the performance levels of various aspects including the energy utilization rate, etc. in the heterogeneous energy system to be unstable, even to be reduced. Therefore, the performance level of the heterogeneous energy system needs to be comprehensively evaluated to judge whether the system achieves the target of energy conservation and emission reduction. However, the performance evaluation index system of the existing heterogeneous energy system is not complete enough, so that the performance evaluation result is not ideal.
Disclosure of Invention
The application provides a heterogeneous energy systemThe performance evaluation method and the related device thereof are used for solving the technical problems that the performance evaluation index system of the performance of the existing heterogeneous energy system is not complete enough, so that the performance evaluation result is not ideal.
In view of the above, the first aspect of the present application provides a heterogeneous energy systemThe performance evaluation method comprises the following steps:
based on the energy quality of the system,The economy is improved,Environment-friendly construction heterogeneous energy systemThe performance evaluation index system comprises a plurality of first-level evaluation indexes and second-level evaluation indexes;
calculating a first weight of each primary evaluation index and a second weight of each secondary evaluation index;
synthesizing the first weight and the second weight to obtain the comprehensive weight of each secondary evaluation index;
calculating the weighted index value of each secondary evaluation index according to the index value of each secondary evaluation index and the comprehensive weight, and determining the heterogeneous energy system based on the weighted index value of each secondary evaluation indexAnd (5) performance evaluation results.
Optionally, the primary evaluation index includesEnergy grade utilization,Economic performance andenvironmental performance;
the secondary evaluation index comprises system energy utilization efficiency and systemEfficiency, product unitCost, relative cost difference, systemEconomic factor, product unitEnvironmental impact, relative environmental impact difference and systemAn environmental factor.
Optionally, the calculation process of the first weight of each primary evaluation index is as follows:
constructing a first judgment matrix according to the obtained importance ratio score among the primary evaluation indexes;
and performing hierarchical single-rank order calculation based on the first judgment matrix, and normalizing the result of the hierarchical single-rank order calculation to obtain a first weight of each primary evaluation index.
Optionally, the constructing a first determination matrix according to the importance ratio score between the primary evaluation indexes further includes:
calculating the maximum characteristic root of the first judgment matrix;
calculating a consistency check coefficient according to the maximum characteristic root and the order of the first judgment matrix;
and judging whether the consistency check coefficient is smaller than a threshold value, if so, judging that the first judgment matrix passes consistency check, and if not, re-acquiring the importance ratio score.
Optionally, the calculation process of the second weight of each secondary evaluation index is as follows:
constructing a second judgment matrix according to the index values of the two-level evaluation indexes;
calculating the entropy value of each secondary evaluation index according to the second judgment matrix;
and calculating a second weight of each secondary evaluation index according to the entropy value of each secondary evaluation index.
Optionally, a calculation formula of the comprehensive weight of each secondary evaluation index is as follows:
in the formula (I), the compound is shown in the specification,is the comprehensive weight of the secondary evaluation index j,is a first weight of the primary evaluation index i,is the second weight of the second-level evaluation index j, m is the number of the first-level evaluation indexes, and n is the number of the second-level evaluation indexes.
In a second aspect, the present application provides a heterogeneous energy systemA performance evaluation system comprising:
a building block for building a model based on the system energy quality,Economy of productionProperty of,Environment-friendly construction heterogeneous energy systemThe performance evaluation index system comprises a plurality of first-level evaluation indexes and second-level evaluation indexes;
the calculation module is used for calculating a first weight of each primary evaluation index and a second weight of each secondary evaluation index;
the acquisition module is used for integrating the first weight and the second weight to acquire the integrated weight of each secondary evaluation index;
the evaluation module is used for calculating the weighted index value of each secondary evaluation index according to the index value of each secondary evaluation index and the comprehensive weight, and determining the heterogeneous energy system based on the weighted index value of each secondary evaluation indexAnd (5) performance evaluation results.
Optionally, a calculation formula of the comprehensive weight of each secondary evaluation index is as follows:
in the formula (I), the compound is shown in the specification,is the comprehensive weight of the secondary evaluation index j,is a first weight of the primary evaluation index i,is the second weight of the secondary evaluation index j, m is the number of the primary evaluation indexes, and n is the number of the secondary evaluation indexes.
A third aspect of the present application provides a heterogeneous energy systemA performance evaluation device comprising a processor and a memory;
the memory is used for storing program codes and transmitting the program codes to the processor;
the processor is configured to execute the heterogeneous energy system according to any one of the first aspect according to instructions in the program codeAnd (3) a performance evaluation method.
A fourth aspect of the present application provides a computer-readable storage medium for storing program code, which when executed by a processor, implements the heterogeneous energy system of any of the first aspectsAnd (3) a performance evaluation method.
According to the technical scheme, the method has the following advantages:
the application provides a heterogeneous energy systemThe performance evaluation method comprises the following steps: based on the energy quality of the system,The economy is improved,Environment-friendly construction heterogeneous energy systemThe performance evaluation index system comprises a plurality of first-level evaluation indexes and second-level evaluation indexes; calculating each of the primary evaluation indexesA first weight and a second weight of each secondary evaluation index; synthesizing the first weight and the second weight to obtain the comprehensive weight of each secondary evaluation index; calculating the weighted index value of each secondary evaluation index according to the index value and the comprehensive weight of each secondary evaluation index, and determining the heterogeneous energy system based on the weighted index value of each secondary evaluation indexAnd (5) performance evaluation results.
In the present application, the system energy quality is comprehensively considered,The economy is improved,Environment-friendly construction heterogeneous energy systemAn evaluation index system of performance, and comprehensive analysis and evaluation comprises energy utilization,Economic performance,Heterogeneous energy system with environmental performanceThe performance level is obtained by calculating the first weight of each primary evaluation index and the second weight of each secondary evaluation index to obtain the comprehensive weight of each secondary evaluation index, and the heterogeneous energy system is determined according to the index value of each secondary evaluation index and the weighted index value of each secondary evaluation index obtained by calculating the comprehensive weightThe performance evaluation result improves the incomplete performance evaluation index system of the performance of the existing heterogeneous energy system, so that the performance evaluation result is not idealThe technical problem is solved.
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In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a heterogeneous energy system provided in an embodiment of the present applicationA schematic flow diagram of a performance evaluation method;
fig. 2 is a heterogeneous energy system provided in an embodiment of the present applicationA schematic diagram of a performance evaluation index system;
Detailed Description
In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
To facilitate understanding, referring to fig. 1, embodiments of the present application provide a heterogeneous energy systemThe performance evaluation method comprises the following steps:
The embodiment of the application considers that the research on the heterogeneous energy system mainly lies in load simulation prediction, operation strategy optimization and the like of the system at present, a part of research on system performance level analysis and evaluation adopts relatively extensive system evaluation indexes such as energy consumption, investment cost, carbon dioxide emission and the like, the heterogeneous energy system is evaluated simply from the aspects of energy quantity, economic benefit, greenhouse gas emission and the like of the heterogeneous energy system, different energy flows in the heterogeneous energy system have energy grade difference and cost difference caused by grade difference, the heterogeneous energy system is analyzed and evaluated only from the aspects of energy quantity, economic benefit and the like, the evaluation indexes are not comprehensive enough, a relatively complete evaluation system is lacked, and the analysis and evaluation and the reflection of the performance levels of the heterogeneous energy system in all aspects can not be carried out comprehensively and accurately.
In order to solve the above problems, the present embodiment considers energy grade utilization,Economic performance andenvironment performance to construct a complete evaluation index system, please refer to fig. 2, the evaluation index includes a plurality of first-level evaluation indexes and second-level evaluation indexes, specifically, the first-level evaluation indexes include energyThe grade is utilized,Economic performance andenvironmental performance; the secondary evaluation indexes comprise system energy utilization efficiency and systemEfficiency, product unitCost, relative cost difference, systemEconomic factor, product unitEnvironmental impact, relative environmental impact difference, systemAn environmental factor.
And 102, calculating a first weight of each primary evaluation index and a second weight of each secondary evaluation index.
The calculation process of the first weight of each primary evaluation index is as follows:
constructing a first judgment matrix according to the obtained importance ratio scores among the primary evaluation indexes;
and performing hierarchical single-rank order calculation based on the first judgment matrix, and normalizing the hierarchical single-rank order calculation result to obtain a first weight of each primary evaluation index.
Specifically, an evaluation index scoring scale table is first constructed, as shown in table 1:
TABLE 1 evaluation index score Scale Table
The importance ratio score, x, between the primary evaluation indices was evaluated according to Table 1ijA score (i.e., an importance ratio score) given to a comparison result indicating the degree of importance of the evaluation index i with respect to the primary evaluation index j, and a first determination matrix X of the primary evaluation index is constructed*It can be expressed as:
and performing hierarchical single ordering calculation on the first judgment matrix by adopting a characteristic root method, wherein the hierarchical single ordering calculation formula is as follows:
in the formula, alphaiThe root of the cumulative product of the ith row elements in the first judgment matrix is n, wherein n is the order of the first judgment matrix;
normalizing the results of the ranking order calculation to obtain the first weight of each primary evaluation indexNamely:
in the formula, m is the number of first-level evaluation indexes.
Further, constructing a first judgment matrix according to the importance ratio, and then:
calculating the maximum characteristic root of the first judgment matrix;
calculating a consistency check coefficient according to the maximum characteristic root and the order of the first judgment matrix;
and judging whether the consistency check coefficient is smaller than a threshold value, if so, judging that the first judgment matrix passes the consistency check, and if not, re-acquiring the importance ratio score.
In order to determine the distribution reasonableness of the first weight of each primary evaluation index, consistency check is required. By calculating the maximum characteristic root λ of the first decision matrixmaxAnd defining a consistency index CI capable of measuring the consistency deviation degree of the first judgment matrix, introducing a random consistency index RI, and calculating a consistency check coefficient CR to determine the consistency of the first judgment matrix.
The consistency index CI is calculated by the following formula:
wherein CI is 0, which is completely the same; CI is close to 0, and the consistency is better; the larger the CI, the worse the consistency.
The correlation between the random consistency index RI and the rank n of the first determination matrix is shown in table 2.
TABLE 2 average random consistency index RI standard value
n | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
RI | 0 | 0 | 0.58 | 0.90 | 1.12 | 1.24 | 1.32 | 1.41 | 1.45 | 1.49 |
The consistency check coefficient CR is calculated as:
and when CR is less than 0.1, the first judgment matrix is considered to pass the consistency check, otherwise, the first judgment matrix is considered to not pass the consistency check, the importance ratio scores of the primary evaluation indexes are required to be obtained again, and then the consistency check is carried out.
The calculation process of the second weight of each secondary evaluation index is as follows:
constructing a second judgment matrix according to the index values of the secondary evaluation indexes;
calculating the entropy value of each secondary evaluation index according to the second judgment matrix;
and calculating a second weight of each secondary evaluation index according to the entropy value of each secondary evaluation index.
The secondary evaluation indexes comprise system energy utilization efficiency and systemEfficiency, product unitCost, relative cost difference, systemEconomic factor, product unitEnvironmental impact, relative environmental impact difference and systemThe calculation process of the index values of the environmental factors and the secondary evaluation indexes is as follows:
1) the calculation formula of the system energy utilization efficiency eta is as follows:
in the formula, Ein,iThe number of each input energy source of the heterogeneous energy system, n is the type of the input energy source of the heterogeneous energy system, including but not limited to primary energy sources such as natural gas and the like, renewable energy sources of solar lamps, Eout,jThe number of each output energy source of the heterogeneous energy system is m, the type of the output energy source of the heterogeneous energy system is classified into process energy according to the energy quality, and the process energy comprises but is not limited to electric power, chilled water, steam, hot water and the like.
in the formula, Exin,iFor each input of energy to heterogeneous energy systemsValue, Exout,jFor each output of energy from heterogeneous energy systemsThe value is obtained.
in the formula (I), the compound is shown in the specification,exporting a product for heterogeneous energy systemsThe cost of the process is reduced, and the cost of the process,exporting a product for heterogeneous energy systemsThe value of the one or more of the one,for each output product of heterogeneous energy systemsThe cost of the process is reduced, and the cost of the process,for each output product of heterogeneous energy systemsThe value is obtained.
4) Relative cost difference rex-ecoThe calculation formula of (2) is as follows:
in the formula (I), the compound is shown in the specification,units of fuel input for heterogeneous energy systemsAnd (4) cost.
5) System for controlling a power supplyEconomic factor fex-ecoThe calculation formula of (2) is as follows:
in the formula (I), the compound is shown in the specification,is the total investment cost of heterogeneous energy systems, CD,SYSAs a whole of heterogeneous energy systemsLoss of cost, ExD,SYSAs heterogeneous energy systemsGeneral of the systemAnd (4) loss.
in the formula (I), the compound is shown in the specification,exporting a product for heterogeneous energy systemsThe influence of the environment is that the environment is influenced,for each output product of heterogeneous energy systemsEnvironmental impact.
7) Relative environmental impact difference rex-envThe calculation formula of (2) is as follows:
in the formula (I), the compound is shown in the specification,the unit environmental impact of the product output for heterogeneous energy systems,for heterogeneous energy systemUnit of input fuelEnvironmental impact.
8) System for controlling a power supplyEnvironmental factor fex-envThe calculation formula of (2) is as follows:
in the formula (I), the compound is shown in the specification,the total environmental impact generated during the manufacturing, transportation and other processes of all devices of the heterogeneous energy system, BD,SYSAs a whole of heterogeneous energy systemsThe environmental impact is damaged.
The index value of each secondary evaluation index can be calculated through the formula, and then a second judgment matrix Y is constructed according to the index value of each secondary evaluation index*Namely:
Y*=(yij)m×n;
in the formula, yijThe index value of the jth secondary evaluation index in the ith heterogeneous energy system to be evaluated is obtained, m is the total number of the heterogeneous energy systems to be evaluated, and n is the number of the secondary evaluation indexes.
And normalizing the index values in the second judgment matrix, namely:
calculating entropy bases of all secondary evaluation indexes based on normalized second judgment matrixNamely:
calculating a second weight of each secondary evaluation index according to the entropy value of each secondary evaluation indexNamely:
and 103, integrating the first weight and the second weight to obtain the integrated weight of each secondary evaluation index.
The calculation formula of the comprehensive weight of each secondary evaluation index is as follows:
in the formula (I), the compound is shown in the specification,is the comprehensive weight of the secondary evaluation index j,is a first weight of the primary evaluation index i,is the second weight of the second-level evaluation index j, m is the number of the first-level evaluation indexes, and n is the number of the second-level evaluation indexes.
104, calculating the weighted index value of each secondary evaluation index according to the index value and the comprehensive weight of each secondary evaluation index, and basing on the weighted index valueDetermining heterogeneous energy systems according to weighted index values of secondary evaluation indexesAnd (5) performance evaluation results.
Weighting the index value of each secondary evaluation index and the corresponding comprehensive weight to obtain the weighted index value of each secondary evaluation index, determining the comprehensive score of each heterogeneous energy system according to the weighted index value of each secondary evaluation index, and determining the heterogeneous energy system according to the comprehensive scoreAnd (5) performance evaluation results.
In the embodiment of the application, the system energy quality is comprehensively considered,The economy is improved,Environment-friendly construction heterogeneous energy systemAn evaluation index system of performance, and comprehensive analysis and evaluation comprises energy utilization,Economic performance,Heterogeneous energy system with environmental performanceThe performance level is obtained by calculating the first weight of each primary evaluation index and the second weight of each secondary evaluation index to obtain the comprehensive weight of each secondary evaluation index, and the heterogeneous energy system is determined according to the index value of each secondary evaluation index and the weighted index value of each secondary evaluation index obtained by calculating the comprehensive weightThe performance evaluation result improves the technical problem that the performance evaluation index system of the existing heterogeneous energy system is not complete enough, so that the performance evaluation result is not ideal.
Above is this application provides a heterogeneous energy systemOne embodiment of the performance evaluation method is as follows, and provides a heterogeneous energy systemOne embodiment of a performance evaluation system.
Referring to fig. 3, an embodiment of the application provides a heterogeneous energy systemA performance evaluation system comprising:
a building block for building a model based on the system energy quality,The economy is improved,Environment-friendly construction heterogeneous energy systemThe performance evaluation index system comprises a plurality of first-level evaluation indexes and second-level evaluation indexes;
the calculation module is used for calculating a first weight of each primary evaluation index and a second weight of each secondary evaluation index;
the acquisition module is used for integrating the first weight and the second weight to acquire the integrated weight of each secondary evaluation index;
an evaluation module for calculating weighted index value of each secondary evaluation index according to the index value and the comprehensive weight of each secondary evaluation indexAnd determining the heterogeneous energy system based on the weighted index value of each secondary evaluation indexAnd (5) performance evaluation results.
As a further improvement, the first-level evaluation indexes comprise energy grade utilization,Economic performance andenvironmental performance;
the secondary evaluation indexes comprise system energy utilization efficiency and systemEfficiency, product unitCost, relative cost difference, systemEconomic factor, product unitEnvironmental impact, relative environmental impact difference and systemAn environmental factor.
As a further improvement, the calculation formula of the comprehensive weight of each secondary evaluation index is as follows:
in the formula (I), the compound is shown in the specification,is the comprehensive weight of the secondary evaluation index jThe weight of the steel is heavy,is a first weight of the primary evaluation index i,is the second weight of the secondary evaluation index j, m is the number of the primary evaluation indexes, and n is the number of the secondary evaluation indexes.
In the embodiment of the application, the system energy quality is comprehensively considered,The economy is improved,Environment-friendly construction heterogeneous energy systemAn evaluation index system of performance, and comprehensive analysis and evaluation comprises energy utilization,Economic performance,Heterogeneous energy system with environmental performanceThe performance level is obtained by calculating the first weight of each primary evaluation index and the second weight of each secondary evaluation index to obtain the comprehensive weight of each secondary evaluation index, and the heterogeneous energy system is determined according to the index value of each secondary evaluation index and the weighted index value of each secondary evaluation index obtained by calculating the comprehensive weightThe performance evaluation result improves the technical problem that the performance evaluation index system of the existing heterogeneous energy system is not complete enough, so that the performance evaluation result is not ideal.
The embodiment of the application also provides a heterogeneous energy systemA performance evaluation device, the device comprising a processor and a memory;
the memory is used for storing the program codes and transmitting the program codes to the processor;
the processor is used for executing the heterogeneous energy system in the method embodiment according to the instructions in the program codeAnd (3) a performance evaluation method.
The embodiment of the present application further provides a computer-readable storage medium for storing program codes, and the program codes, when executed by a processor, implement the heterogeneous energy system in the foregoing method embodimentsAnd (3) a performance evaluation method.
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 and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
The terms "first," "second," "third," "fourth," and the like in the description of the application and the above-described figures, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be understood that in the present application, "at least one" means one or more, "a plurality" means two or more. "and/or" for describing an association relationship of associated objects, indicating that there may be three relationships, e.g., "a and/or B" may indicate: only A, only B and both A and B are present, wherein A and B may be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of single item(s) or plural items. For example, at least one (one) of a, b, or c, may represent: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", wherein a, b, c may be single or plural.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for executing all or part of the steps of the method described in the embodiments of the present application through a computer device (which may be a personal computer, a server, or a network device). And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. Heterogeneous energy systemThe performance evaluation method is characterized by comprising the following steps:
based on the energy quality of the system,The economy is improved,Environment-friendly construction heterogeneous energy systemThe performance evaluation index system comprises a plurality of first-level evaluation indexes and second-level evaluation indexes;
calculating a first weight of each primary evaluation index and a second weight of each secondary evaluation index;
synthesizing the first weight and the second weight to obtain the comprehensive weight of each secondary evaluation index;
calculating the weighted index value of each secondary evaluation index according to the index value of each secondary evaluation index and the comprehensive weight, and determining the heterogeneous energy system based on the weighted index value of each secondary evaluation indexAnd (5) performance evaluation results.
2. The heterogeneous energy system of claim 1The performance evaluation method is characterized in that the primary evaluation index comprises energy grade utilization,Economic performance andenvironmental performance;
3. The heterogeneous energy system of claim 1The performance evaluation method is characterized in that the calculation process of the first weight of each primary evaluation index is as follows:
constructing a first judgment matrix according to the obtained importance ratio score among the primary evaluation indexes;
and performing hierarchical single-rank order calculation based on the first judgment matrix, and normalizing the result of the hierarchical single-rank order calculation to obtain a first weight of each primary evaluation index.
4. The heterogeneous energy system of claim 3The performance evaluation method is characterized in that a first judgment matrix is constructed according to the importance ratio score among the primary evaluation indexes, and then the method further comprises the following steps:
calculating the maximum characteristic root of the first judgment matrix;
calculating a consistency check coefficient according to the maximum characteristic root and the order of the first judgment matrix;
and judging whether the consistency check coefficient is smaller than a threshold value, if so, judging that the first judgment matrix passes consistency check, and if not, re-acquiring the importance ratio score.
5. The heterogeneous energy system of claim 1The performance evaluation method is characterized in that the calculation process of the second weight of each secondary evaluation index is as follows:
constructing a second judgment matrix according to the index values of the two-level evaluation indexes;
calculating the entropy value of each secondary evaluation index according to the second judgment matrix;
and calculating a second weight of each secondary evaluation index according to the entropy value of each secondary evaluation index.
6. The heterogeneous energy system of claim 1The performance evaluation method is characterized in that the calculation formula of the comprehensive weight of each secondary evaluation index is as follows:
in the formula (I), the compound is shown in the specification,is the comprehensive weight of the secondary evaluation index j,is a first weight of the primary evaluation index i,is the second weight of the second-level evaluation index j, m is the number of the first-level evaluation indexes, and n is the number of the second-level evaluation indexes.
a building block for building a model based on the system energy quality,The economy is improved,Environment-friendly construction heterogeneous energy systemThe performance evaluation index system comprises a plurality of first-level evaluation indexes and second-level evaluation indexes;
the calculation module is used for calculating a first weight of each primary evaluation index and a second weight of each secondary evaluation index;
the acquisition module is used for integrating the first weight and the second weight to acquire the integrated weight of each secondary evaluation index;
the evaluation module is used for calculating the weighted index value of each secondary evaluation index according to the index value of each secondary evaluation index and the comprehensive weight, and determining the heterogeneous energy system based on the weighted index value of each secondary evaluation indexAnd (5) performance evaluation results.
8. The heterogeneous energy system of claim 7The performance evaluation system is characterized in that the calculation formula of the comprehensive weight of each secondary evaluation index is as follows:
in the formula (I), the compound is shown in the specification,is the comprehensive weight of the secondary evaluation index j,is a first weight of the primary evaluation index i,is the second weight of the secondary evaluation index j, m is the number of the primary evaluation indexes, and n is the number of the secondary evaluation indexes.
9. Heterogeneous energy systemA performance evaluation device, characterized in that the device comprises a processor and a memory;
the memory is used for storing program codes and transmitting the program codes to the processor;
10. A computer-readable storage medium, characterized in that the computer-readable storage mediumThe system is used for storing program code, and the program code realizes the heterogeneous energy system of any one of claims 1 to 6 when executed by a processorAnd (3) a performance evaluation method.
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