Power Electronics and Energy Conversion Systems

2013 ◽  
Author(s):  
Adrian Ioinovici
Keyword(s):  
Energy Conversion ◽  
Power Electronics ◽  
Energy Conversion Systems

Analysis on the Topology and Control of Power Electronics Converters for Wind Energy Conversion Systems

2021 ◽  
Vol 8 (8) ◽  
pp. 127-137
Author(s):  
Dourodjayé Pierre Aguemon ◽  
Richard Gilles Agbokpanzo ◽  
Frédéric Dubas
Keyword(s):  
Wind Energy ◽  
Energy Conversion ◽  
Power Electronics ◽  
Pulse Width Modulation ◽  
Wind Energy Conversion ◽  
Wind Energy Conversion Systems ◽  
Point Tracking ◽  
Power Electronics Converters ◽  
Energy Conversion Systems ◽  
Power Point

Power Electronics converters become nowadays the most important part in Wind Energy Conversion Systems (WECS). They are an intermediate between the generator and grid to achieve low cost, high power density and reliability. This paper deals with the analysis on the topology and control of the most power Electronics Converters for generators using in WECS. Design, (dis)advantages, and market penetration are analyzed and discussed. The control includes maximum power point tracking, dc bus voltage control, balancing of the dc capacitor voltages, and reactive power generation are also analyzed. Simulations have been carried out using MATLAB/SIMULINK on the control strategies for the case of back to back converter with Pulse Width Modulation (PWM) demonstrating its good potential to meet the grid connection requirements. Keywords: Wind Energy Conversion Systems (WECS), power electronics converters, back to back converter, maximum power point tracking, Pulse Width Modulation (PWM).

Power Electronics Sliding Mode Control Design for Photovoltaic Energy Conversion Systems

2019 ◽  
Author(s):  
Mehmetcan Gursoy ◽  
Andy G. Lozowski ◽  
Xin Wang
Keyword(s):  
Power Generation ◽  
Sliding Mode Control ◽  
Energy Conversion ◽  
Power Electronics ◽  
Sliding Mode ◽  
Control Design ◽  
Photovoltaic Energy ◽  
Mode Control ◽  
Photovoltaic Energy Conversion ◽  
Energy Conversion Systems

Abstract The manuscript presents a novel power electronics sliding mode control design for photovoltaic energy conversion systems. In order to maximize the power generation from solar panels, P&O maximum power point tracking algorithm is applied. The purposed first and high-order sliding mode control techniques are developed to overcome the irradiance and load fluctuation challenge, and to optimize the power conversion efficiency. Compared with the first-order method, the higher-order sliding mode approach can significantly reduce the chattering effect in the Buck-Boost converter. The output of the DC-DC converter is then fed into a voltage-oriented control based SVPWM inverter for three-phase AC power generation. Computer simulation studies have shown the effectiveness and robustness of the proposed power electronics control approach for solar energy systems.

scholarly journals A Review of Power Electronics Applications for Wind Energy Systems in Microgrids

2020 ◽  
pp. 139-148
Author(s):  
John Nwankwo Chijioke ◽  
Vedat KIray
Keyword(s):  
Wind Energy ◽  
Energy Conversion ◽  
Power Electronics ◽  
Energy Demand ◽  
Energy Systems ◽  
Speed Control ◽  
Wind Energy Conversion ◽  
Wind Energy Conversion Systems ◽  
Energy Conversion Systems ◽  
Wind Energy Systems

Wind energy conversion systems continue to show promises as energy source of the future. To champion the supply for future industrial and domestic energy demand, it is imperative to improve on their reliability, energy extraction efficiency and security as these factors would enormously affect their viability and deployment. This paper presents an overview of the applications of power electronics to speed control of generators in wind energy conversion systems. Wind energy conversion system, the basis on which they are classified and their various components are concisely reviewed. Further, an up-to-date highlight of wind turbines speed control schemes is presented with focus on the roles of power electronics in these schemes. Concluding, necessary technological and economic development to aid applications of power electronics devices in emerging wind energy systems and their significance to the microgrid is understudied.

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