scholarly journals The Possibility of a High-Efficiency Wave Power Generation System Using Dielectric Elastomers

Energies ◽  
2021 ◽  
Vol 14 (12) ◽  
pp. 3414
Author(s):  
Seiki Chiba ◽  
Mikio Waki ◽  
Changqing Jiang ◽  
Makoto Takeshita ◽  
Mitsugu Uejima ◽  
...  
Keyword(s):  
Power Generation ◽  
Environmental Sustainability ◽  
High Efficiency ◽  
Low Cost ◽  
Artificial Muscle ◽  
Current Status ◽  
Oscillating Water Column ◽  
Generation System ◽  
Power Generation System ◽  
Recycling Society

Power generation using dielectric elastomer (DE) artificial muscle is attracting attention because of its light weight, low cost, and high-efficiency. Since this method is a system that produces electricity without emitting carbon dioxide nor using rare earths, it would contribute to the goal of environmental sustainability. In this paper, the background of DEs, the associated high efficiency wave energy generation (WEG) systems that we developed using DEs, as well as the latest development of its material are summarized. By covering both the challenges and achievements, this paper discusses the opportunities to build the foundation of an energy recycling society through the usage of these WEGs. To make these possibilities commercially successful, the advantages of DEs need to be integrated with traditional technologies. To achieve this, the method of using DEs alone and a system used in combination with an oscillating water column were also considered. Finally, the current status and future of DE generators (DEGs) are discussed.

scholarly journals The Possibility of a High-efficiency Wave Power Generation System using Dielectric Elastomers

2021 ◽  
Author(s):  
Kazuhiro Ohyama ◽  
Seiki Chiba ◽  
Mikio Waki ◽  
Changqing Jiang ◽  
Makoto Takeshita ◽  
...  
Keyword(s):  
Power Generation ◽  
Environmental Sustainability ◽  
High Efficiency ◽  
Low Cost ◽  
Artificial Muscle ◽  
Current Status ◽  
Oscillating Water Column ◽  
Generation System ◽  
High Efficient ◽  
Power Generation System

Abstract: Power generation using dielectric elastomer (DE) artificial muscle is attracting attention because of its light weight, low cost, and high efficiency. Since this method is a system that produces electricity without emitting carbon dioxide nor using rare earths, it would contribute to the goal of environmental sustainability. In this paper, the background of DEs, the associated high-efficient wave energy generation (WEG) systems that we developed using DEs, as well as the latest development of its material are summarized. By covering the challenges we face and the achievements that we’ve reached, we can discuss the opportunities to build the foundation of a recycled energy society through the usage of these WEGs. On the other hand, to make these possibilities commercially successful, the advantages of DEs need to be integrated with traditional technologies. To achieve this, we also consider the method of using DEs alone and a system used in combination with an oscillating water column. Finally, the current status and future of DEGs are discussed.

Improved Output Voltage in Micro Wind Power Generator Fed Z Source Inverter Based System

2014 ◽  
Vol 984-985 ◽  
pp. 764-773 ◽  
Author(s):  
J. Jane Justin Brintha ◽  
S. Rama Reddy ◽  
N. Subashini
Keyword(s):  
Power Generation ◽  
Wind Power ◽  
Output Voltage ◽  
Low Cost ◽  
Wind Power Generation ◽  
Single Stage ◽  
Generation System ◽  
Stage Conversion ◽  
Wind Power Generator ◽  
Power Generation System

The micro wind power generation system is used to generate the power at low cost. In this paper, generator fed SEPIC, Z source inverter based systems are presented. The unique feature of Z source inverter is shoot-through duty cycle control by which any desired output voltage even greater than input line voltage is possible. Both buck-boost capabilities in single stage conversion are possible. This is not possible in conventional inverters. Also conversion losses are reduced in Z-source inverter due to single stage conversion which increases the output voltage of the system. Keywords: micro-wind power generation system, Single-Ended Primary Inductor converter, Z source inverter.

Research Status and Prospect of Dish-Stirling System

2014 ◽  
Vol 953-954 ◽  
pp. 83-86 ◽  
Author(s):  
Lin Jun Wang ◽  
Li Xiao Xu ◽  
Jing Men ◽  
Dong Zhang ◽  
Zhang Wei Gao ◽  
...  
Keyword(s):  
Power Generation ◽  
Simple Structure ◽  
High Efficiency ◽  
Low Cost ◽  
Thermal Power ◽  
Low Noise ◽  
Green Energy ◽  
Main Research ◽  
Power Generation System ◽  
Solar Thermal Power Generation

Solar energy is a kind of clean and green energy, its use can reduce the dual pressure of resources and environmental pollution. Firstly, this paper introduces groove, tower and dish type solar thermal power generation system. Then it introduces the components of dish-stirling system and the principle and features of stirling engine. The system has simple structure, reliable operation, high efficiency, low noise, low cost of power generation and good commercial prospects. But for some key parts of system, there are many problems that need to be solved. The main research of dish-stirling system is to optimize the key parts of system and reduce the system costs.

scholarly journals Variable DC-Link Voltage Control of Dual Active Bridge Converter in a Standalone Wind Power Generation System for High-Efficiency Battery-Discharging Operation

Energies ◽  
2021 ◽  
Vol 14 (20) ◽  
pp. 6786
Author(s):  
Yuto Takayama ◽  
Hiroaki Yamada
Keyword(s):  
Power Generation ◽  
High Efficiency ◽  
Power Conversion ◽  
Voltage Control ◽  
Wind Power Generation ◽  
Generation System ◽  
Dual Active Bridge ◽  
Power Generation System ◽  
Simulation Results ◽  
Peak Value

In this study, we deal with a dual active bridge (DAB) converter-based battery charger in a standalone wind power generation system (WPGS) with a small-scale wind turbine. However, the power conversion efficiency under the low power output in the discharging mode is low. In this paper, we propose variable DC-link voltage control in a standalone WPGS with a DAB converter under a light load. The proposed control can compensate for the shortage of generated power and suppress the peak value of the transformer current. Simulation results demonstrate that the proposed control can decrease the peak value of the transformer current and improve the power conversion efficiency of the DAB converter. An experimental setup was constructed to confirm the basic operation of the variable DC-link voltage control. In addition, a reference DC-link voltage switchover control is proposed to enable a high-efficiency drive under all load ranges. From simulation results, the power loss can be reduced by the switchover control of the reference DC-link voltage.

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