scholarly journals Design and Implementation of a Robust Current Controller for Single-Phase Inverters Connected Electrical Network via a damped LCL filter for Renewable Energy Systems

2018 ◽  
Vol 1 ◽  
pp. 209-214
Author(s):  
J.A. Borges ◽  
◽  
M. V. B. Mendonca ◽  
F.A.M. Moura ◽  
M. R. M. C. Albertini
Keyword(s):  
Renewable Energy ◽  
Single Phase ◽  
Energy Systems ◽  
Electrical Network ◽  
Lcl Filter ◽  
Renewable Energy Systems ◽  
Design And Implementation ◽  
Current Controller

scholarly journals Realization of 485 Level Inverter Using Tri-State Architecture for Renewable Energy Systems

Energies ◽  
2020 ◽  
Vol 13 (24) ◽  
pp. 6627
Author(s):  
Vijayaraja Loganathan ◽  
Ganesh Kumar Srinivasan ◽  
Marco Rivera
Keyword(s):  
Renewable Energy ◽  
Significant Role ◽  
Direct Current ◽  
Simulation Study ◽  
Output Voltage ◽  
Single Phase ◽  
Energy Systems ◽  
Experimental Setup ◽  
Renewable Energy Systems ◽  
The Cost

In this paper, a ‘k’-state inverter producing a higher number of voltage levels was designed, and we studied the inverter’s working. Further, a tri-state inverter was derived from the ‘k’-state inverter, which could build a maximum number of output voltage levels with the requirement of fewer components, thereby reducing the cost and size. A single Tri-state architecture generates three direct current (D.C.) voltage levels; therefore, cascading five tri-state architectures can generate 242 levels of DC voltages. Further, the inversion is done via the H bridge, which leads to 485 levels of the output voltage. Algorithms to design the amplitude of voltage sources and the generation of pulses are discussed in this paper. The proposed tri-state inverter takes a significant role in advancing renewable energy systems in utilizing inverter technology. A simulation study validated the operation of the proposed inverter. Moreover, an experimental setup was built for a single-phase 485-level inverter, and the structure’s performance was verified through the experimental results.

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