Comprehensive Evaluation of Energy-Saving Amorphous Alloy Transformer in Distribution Grid

2014 ◽  
Vol 953-954 ◽  
pp. 900-906
Author(s):  
Yun Cai Lu ◽  
Wei Li ◽  
Peng Wu ◽  
Chao Wei
Keyword(s):  
Environmental Impact ◽  
Amorphous Alloy ◽  
Energy Saving ◽  
Economic Performance ◽  
Noise Level ◽  
High Efficiency ◽  
Comprehensive Evaluation ◽  
Safety Performance ◽  
Distribution Grid ◽  
Saving Effect

Firstly, this paper introduces the development of amorphous alloy transformer. According to the technical characteristics of amorphous alloy transformer and the application of Jiangsu power, the comprehensive evaluation about amorphous alloy transformer from the safety performance, the economic performance and the environmental impact are studied comparing with S11 type, S13 type and S15 type transformer. In the safety performance, overload capacity and over-excitation ability of amorphous alloy transformer is insufficient; in the economic performance, low no-load loss, high efficiency, energy saving effect of amorphous alloy transformer is obvious; in terms of environmental impact, the audible noise level of amorphous alloy transformer is higher than that of conventional transformer, and manufacturers need to study to reduce the noise level. Finally, the application recommends of amorphous alloy transformer is presented based on comprehensive evaluation.

Renewable Energy and Energy Saving: Worldwide Research Trends

2021 ◽  
Vol 13 (23) ◽  
pp. 13261
Author(s):  
Alberto-Jesus Perea-Moreno
Keyword(s):  
Renewable Energy ◽  
Environmental Impact ◽  
Energy Saving ◽  
High Efficiency ◽  
Research Trends ◽  
Important Resource ◽  
Industrial Sectors

Energy is a very important resource for the development of the residential and industrial sectors, and it should be used with high efficiency, low environmental impact, and at the lowest possible cost [...]

Design and Experimental of High-Performance Interior PMSM with the Aid of Identical Polarization Embedding

2012 ◽  
Vol 229-231 ◽  
pp. 911-914
Author(s):  
Yue Jun An ◽  
Li Ping Xue ◽  
Zhao Jun Meng ◽  
Li Min Zhou
Keyword(s):  
Energy Saving ◽  
Permanent Magnet ◽  
High Performance ◽  
High Efficiency ◽  
Asynchronous Motor ◽  
Permanent Magnet Synchronous Motor ◽  
Synchronous Motor ◽  
Chaos Optimization ◽  
Production Type ◽  
Saving Effect

This paper design an identical polarization embedding high-efficiency permanent magnet synchronous motor and analysis electromagnetic field distribution of the new structure permanent magnet synchronous motor, as well as optimize the design using modern chaos optimization algorithm based on the invention patent. Carried out analysis of energy-saving effect combination high-performance interior PMSM with the aid of identical polarization embedding in textiles with small batch production type test. The optimize design and experiment show that the new structure motor efficiency and power factor higher than the previous configuration of the asynchronous motor, and with high-efficiency and energy-saving advantages in a very broad power output range at the condition of same load.

Energy-Saving Effect Evaluation Research of the Existing Residential Building in North China Area Based on Unascertained Measure Theory

2012 ◽  
Vol 178-181 ◽  
pp. 113-119 ◽  
Author(s):  
Da Jiang Liu
Keyword(s):  
Energy Saving ◽  
Evaluation System ◽  
North China ◽  
Comprehensive Evaluation ◽  
Residential Buildings ◽  
Measure Theory ◽  
Evaluation Research ◽  
Residential Building ◽  
Relative Index ◽  
Saving Effect

Evaluating energy-saving effect plays an important role during the transformation on existing residential buildings for energy saving in cold area of north China. A relative index evaluation system of the energy efficiency in residential buildings is formed according to relevant energy-saving standards of the Ministry of Construction of China and the present situation in this area . Then a comprehensive evaluation model is built based on entropy and Unascertained Measure theory, and through an example to verify the applicability and feasibility of the model.

The New Development Trend of Distribution Transformer

2014 ◽  
Vol 672-674 ◽  
pp. 831-836 ◽  
Author(s):  
Yun Cai Lu ◽  
Li Wei ◽  
Wei Chao ◽  
Wu Peng
Keyword(s):  
Amorphous Alloy ◽  
Energy Saving ◽  
Reactive Power ◽  
New Technology ◽  
Development Trend ◽  
Low Noise ◽  
Distribution Grid ◽  
Distribution Transformer ◽  
Technology Application ◽  
Distribution Transformers

Firstly, this paper introduces the development of new materials, new technology and new manufacture in power industry of China, energy-saving, low noise and smart distribution transformers are widely used in countryside power grid reconstruction. In this paper, application status and development trend of different types of distribution transformers were introduced and compared in terms of new material and new structure, such as oil-immersed distribution transformer, amorphous core transformer(AMT), dry-type transformer, SF6 insulated distribution transformer, composite transformer and other types of distribution transformers. The development of distribution transformer is mainly based on energy saving, miniaturization, wound core and amorphous alloy nowadays, but the class-H dry-type transformer and tridimensional toroidal-core amorphous alloy transformer are the future direction of development. The technology application of smart distribution grid, power electronics technology and dynamic reactive power compensation technique will also affect the safety and economic operation of distribution transformer.

Comprehensive Evaluation Method of Energy-saving Effect for Frequency Conversion System Based on Total Harmonic Components

2021 ◽  
Author(s):  
Cao Ying ◽  
Li Hui ◽  
Xu Xiu-fen ◽  
Ge Yong-guang
Keyword(s):  
Energy Saving ◽  
Frequency Conversion ◽  
Evaluation Method ◽  
Comprehensive Evaluation ◽  
Evaluation Index System ◽  
Evaluation Index ◽  
Comprehensive Evaluation Method ◽  
Conversion System ◽  
Harmonic Components ◽  
Saving Effect

With the development and application of frequency conversion technology, the types of frequency conversion equipment are becoming more and more diverse, and the corresponding energy efficiency testing and evaluation methods are different, which leads to inconsistencies in the selection of equipment and the operation analysis and evaluation of the frequency conversion system. It is urgent to find an effective solution. By analyzing the problems of the current energy-saving test and evaluation methods of the frequency conversion system, the energy-saving evaluation index system and calculation method based on the total harmonic components are proposed. Establish a harmonic evaluation index system covering 9 indicators. On this basis, 6 core harmonic indicators are selected, and the comprehensive harmonic influence coefficient and weight matrix are introduced to establish a comprehensive evaluation method for energy-saving effects based on harmonic total components and weighted matrix model. On this basis, 15 different working conditions of the energy-saving test and analysis evaluation experiments for of frequency conversion system have been carried out. The results show that the total harmonic components analysis method proposed in this paper can reflect the energy efficiency level of the frequency conversion system and its equipments more realistically on the premise of meeting the analysis and actual operation requirements on site. At the same time, the established comprehensive evaluation method of energy saving effect can comprehensively and reasonably analyze the impact of harmonics on the performance of the frequency conversion system. In addition, it provides theoretical guidance for reasonably determining the optimal operating conditions of the system and equipment, and taking corresponding harmonic prevention measures to effectively improve the quality of power transmission and the actual energy-saving effects of frequency conversion technology.

Research and Application on Vibrating Style Drier with Conduction and Heat Transfer

2009 ◽  
Vol 16-19 ◽  
pp. 224-228 ◽  
Author(s):  
Jing Jiang ◽  
Tong Zhu ◽  
Yuan Hua Xie ◽  
Jin Han ◽  
Lei Wang
Keyword(s):  
Heat Transfer ◽  
Energy Saving ◽  
Economic Benefit ◽  
High Efficiency ◽  
Working Environment ◽  
Structure Characteristics ◽  
Fast Speed ◽  
Working Principle ◽  
Drying Technology ◽  
Saving Effect

Vibrating style drier with conduction and heat transfer is a novel drying equipment combining drying technology with heat transfer technology. It has the properties of high efficiency, energy saving, environmental protection and fast speed, which overcomes the weakness of large energy consumption of drying equipment and uneven drying of sulfurization bed. It can greatly increase the quality and yield of products, improve the working environment, and increase remarkably economic benefit and energy saving effect. In this paper, the structure characteristics, the working principle, and also the application of vibrating style drier with conduction and heat transfer were introduced. Its dynamic characteristics were analyzed, which was of great significance to the application and popularization of this kind of drier.

Energy Saving Effect by Steel Yankee Dryer

2014 ◽  
Vol 68 (6) ◽  
pp. 638-643
Author(s):  
Makoto Matsushita ◽  
Takefumi Ide
Keyword(s):  
Energy Saving ◽  
Saving Effect
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