Research on Network Operation Capability and Benefit Evaluation Method for 5G-Enabled Grid

2021 ◽  
pp. 1509-1516
Author(s):  
Shen Jin ◽  
Wei Deng ◽  
Ningchi Zhang ◽  
Yanru Wang ◽  
Chun Yang ◽  
...  
Keyword(s):  
Evaluation Method ◽  
Benefit Evaluation ◽  
Network Operation

Economic benefit evaluation method for the micro-grid renewable energy system operation

2018 ◽  
Vol 09 (04) ◽  
pp. 1850032 ◽  
Author(s):  
Jiani Wu
Keyword(s):  
Renewable Energy ◽  
Economic Benefit ◽  
Evaluation Method ◽  
Energy System ◽  
System Operation ◽  
Benefit Evaluation ◽  
Renewable Energy System ◽  
Network Operation ◽  
Micro Grid ◽  
Flexible Operation

The development of micro-grid renewable energy system in China has achieved rapid growth in recent years, and the micro-grid renewable energy system has been drawing more and more attention by its flexible operation. Due to the randomness, fluctuation, uncertainty of the wind and photovoltaic renewable generation, abundant flexibility is required to meet the needs of safe, reliable and independent operation of the micro-grid energy system. We need to connect large energy systems to accept outside assistance when the micro-grid renewable energy system is short of adjustment capability. Independent operation and network operation will affect the economic benefit of the micro-grid energy system, so it is practically meaningful to study on the economic benefit evaluation of the micro-grid renewable energy system. This paper proposes a micro-grid energy system operation simulation model about wind and photovoltaic generation, the uncertainty of which is tackled based on the scenario generation and extraction techniques. Based on the proposed indices, the economic benefit could be evaluated by simulating the micro-grid energy system operation. The proposed method is validated by a real micro-grid energy system.

scholarly journals Research on benefit evaluation method of pumped storage power station

2021 ◽  
Vol 692 (2) ◽  
pp. 022015
Author(s):  
Mingjie Xie ◽  
Chuanzheng Gong ◽  
Tongfa Chen ◽  
Ligang Pan ◽  
Qingran Wang ◽  
...  
Keyword(s):  
Evaluation Method ◽  
Power Station ◽  
Benefit Evaluation ◽  
Pumped Storage

scholarly journals Research on the Economic Benefit Evaluation of Combined Heat and Power (CHP) Technical Renovation Projects Based on the Improved Factor Analysis and Incremental Method in China

2019 ◽  
Vol 11 (19) ◽  
pp. 5162 ◽  
Author(s):  
Yang ◽  
Li ◽  
Niu ◽  
Sun
Keyword(s):  
Factor Analysis ◽  
Economic Benefit ◽  
Evaluation Method ◽  
Thermal Power ◽  
Combined Heat And Power ◽  
Economic Benefits ◽  
Improve Energy Efficiency ◽  
Incremental Method ◽  
Benefit Evaluation ◽  
The Difference

With the increasingly prominent problems of resources and environment, thermal power enterprises in China are facing more severe challenges. To improve energy efficiency, a great number of thermal power enterprises implement the technical renovation of equipment. However, current methods cannot meet the needs of scientific and effective evaluations. In this context, the internal rate of return (IRR) is used as the main index to evaluate the economic benefits of the technical renovation of combined heat and power (CHP) plants. In order to improve the accuracy of the economic benefit evaluation results, the incremental cash flow is calculated through the incremental method, which is based on the existence and non-existence method, and the improved factor analysis method is utilized to eliminate the influence of price factors from markets that have no direct and definite relationship with the technical renovation. Then, the evaluation method is validated by taking a CHP technical renovation project in B city of China as an example. By comparing with other methods, the results show that the IRRs calculated by different methods are quite different, and the difference between the maximum and the minimum can reach 69.95%. The result of the method proposed in this paper is more reasonable and reliable and can effectively evaluate the economic benefits of CHP technical renovation projects.

Comprehensive Benefit Evaluation of Rural Household Biogas Based on Fuzzy Comprehensive Evaluation Method

2013 ◽  
Vol 663 ◽  
pp. 801-806 ◽  
Author(s):  
Kun Ding ◽  
You Yong Su ◽  
Yan Xia Wang ◽  
Wu Di Zhang
Keyword(s):  
Quantitative Evaluation ◽  
Evaluation Method ◽  
Comprehensive Evaluation ◽  
Fuzzy Comprehensive Evaluation ◽  
Rural Household ◽  
Social Benefits ◽  
Comprehensive Evaluation Method ◽  
Benefit Evaluation ◽  
Ecological Benefit ◽  
Comprehensive Benefit

The comprehensive benefit evaluation is the key of reasonable development for the rural household biogas. The evaluation index was established according to the economic efficiency, energy efficiency, ecological benefit and social benefits and so on, which was used to resolve the problem that the effect factors of comprehensive benefit evaluation of rural household biogas are more and the quantitative evaluation can't completely be finished. The secondary mathematical model of fuzzy comprehensive evaluation for comprehensive benefit evaluation of rural household biogas was established by fuzzy mathematical method. The case calculation shows that this method is simple and practical, which not only convenient for experts to compare, selection and score, but also has the effect of quantification. It is integrated between the qualitative analysis and quantitative evaluation and the result is satisfactory through.

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