General Optimization Algorithm for Capacitor Voltage Balance of Multilevel Inverters

2013 ◽  
Vol 12 (12) ◽  
pp. 2382-2389 ◽  
Author(s):  
Wei Wu ◽  
Jian-Guo Jiang ◽  
He Liu
Keyword(s):  
Optimization Algorithm ◽  
Multilevel Inverters ◽  
Capacitor Voltage ◽  
Voltage Balance ◽  
Capacitor Voltage Balance

scholarly journals Design and implementation of a single-phase five-level inverter using a DC Source with voltage balancer on capacitor

2021 ◽  
Vol 12 (2) ◽  
pp. 902
Author(s):  
Leonardus Heru Pratomo ◽  
Slamet Riyadi
Keyword(s):  
High Performance ◽  
Single Phase ◽  
Reference Signal ◽  
Renewable Energy Resources ◽  
Pulse Width Modulated ◽  
Multilevel Inverters ◽  
Control Scheme ◽  
Capacitor Voltage ◽  
Voltage Balance ◽  
Capacitor Voltage Balance

<span lang="EN-US">The global use of renewable energy resources has led to the design and development of high performance, efficient, controllable, and cheap multilevel inverters, which act as a solution to the numerous power deficiencies. However, in terms of control, these multilevel inverters are often associated with DC sources and complexity. Therefore, this research designed a single-phase five-level inverter using a DC source, with a novel sinusoidal pulse-width-modulated (SPWM) control scheme. The system consists of a Flying Capacitor DC-DC Converter and H-Bridge Inverter (FCDCDC-HBI). A single absolute reference signal and the phase-shifted triangular carrier were used to generate SPWM to enhance the capacitor voltage balance. The designed inverter is capable of producing five levels of output voltage levels, namely Vi, Vi/2, 0, −Vi/2, and −Vi from a DC supply, thereby reducing the overall cost and complexity of the SPWM system. This research also produced a detailed operation principle of the proposed system, which was verified through simulation and implemented using a prototype. Finally, hardware implementation results are presented to check the performance of the inverter.</span>

scholarly journals Pulsewidth Modulations for the Comprehensive Capacitor Voltage Balance of $n$-Level Three-Leg Diode-Clamped Converters

2009 ◽  
Vol 24 (5) ◽  
pp. 1364-1375 ◽  
Author(s):  
Sergio Busquets-Monge ◽  
Salvador Alepuz ◽  
Joan Rocabert ◽  
Josep Bordonau
Keyword(s):  
N Level ◽  
Capacitor Voltage ◽  
Voltage Balance ◽  
Capacitor Voltage Balance
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