Single-phase soft-switched current-source inverter for utility interactive photovoltaic power generation system

2003 ◽  
Author(s):  
H. Oishi ◽  
H. Okada ◽  
K. Ishizaka ◽  
R. Itoh
Keyword(s):  
Power Generation ◽  
Single Phase ◽  
Current Source ◽  
Generation System ◽  
Current Source Inverter ◽  
Photovoltaic Power ◽  
Switched Current ◽  
Power Generation System

scholarly journals Modified Grid-Connected CSI for Hybrid PV/Wind Power Generation System

2012 ◽  
Vol 2012 ◽  
pp. 1-12 ◽  
Author(s):  
D. Amorndechaphon ◽  
S. Premrudeepreechacharn ◽  
K. Higuchi ◽  
X. Roboam
Keyword(s):  
Power Generation ◽  
Wind Power ◽  
Current Source ◽  
Wind Power Generation ◽  
Generation System ◽  
Unity Power Factor ◽  
Current Source Inverter ◽  
Power Conditioner ◽  
Power Generation System ◽  
System Configurations

The principle of a power conditioning unit for hybrid PV/wind power generation system is proposed. The proposed power conditioner is based on the current source inverter (CSI) topology. All energy sources are connected in parallel with a DC-bus through the modified wave-shaping circuits. To achieve the unity power factor at the utility grid, the DC-link current can be controlled via the wave-shaping circuits with the sinusoidal PWM scheme. In this work, the carrier-based PWM scheme is also proposed to minimize the utility current THD. The power rating of the proposed system can be increased by connecting more PV/wind modules through their wave-shaping circuits in parallel with the other modules. The details of the operating principles, the system configurations, and the design considerations are described. The effectiveness of the proposed CSI is demonstrated by simulation results.

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