Parallel Inverters Based on Switched Inductor Z-Source Impedance Network for Renewable Energy Systems
Publish place: The First Annual Congress on World and Energy Crisis
Publish Year: 1394
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ACWEC01_022
تاریخ نمایه سازی: 8 آذر 1394
Abstract:
Considering the fast growing energy demand and existing problems of conventional fossil fuel, renewable energy has received more attention nowadays. In orderto connect different kinds of renewable energy sources to common bus, power electronics converters are employed as the interface. As the system capacity increased, theformer single power electronic converters (e.g. inverter) cannot fulfill the demand any more. It can be solved byhigh power rating devices. But the cost will be obviously high. Parallel inverter may be the best choice for this issue. Instead of using single inverter, two or moreinverters are connected in parallel and share output current. In this paper, the modeling, designing and stability analysis of parallel switched inductor Z-sourceinverters are derived for application in renewable energy system. Compared with the classical Z-source inverter (ZSI) the proposed inverter significantly increases the voltage boost inversion ability and also can increase the power capacity and the reliability of inverter systems.The proposed topology and its performances are validated using simulation results which are obtained in Matlab/Simulink.
Keywords:
Voltage gain , Parallel operation , Z-source inverter (ZSI) , Switched Inductor Z-source inverter (SLZSI) , Modulation index
Authors
Ali Zakerian
Faculty of Electrical and Computer Engineering, University of Urmia, Urmia, Iran;
Daryoosh Nazarpour
Faculty of Electrical and Computer Engineering, University of Urmia, Urmia, Iran;
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