Find in Library
Search millions of books, articles, and more
Indexed Open Access Databases
A Single Source Quadruple Boost Nine-Level Switched-Capacitor Inverter With Reduced Components and Continuous Input Current
oleh: Devanand Kumar, Ravi Raushan, Suprava Chakraborty
Format: | Article |
---|---|
Diterbitkan: | IEEE 2024-01-01 |
Deskripsi
The multilevel inverter (MLI) serves as a pivotal class of power electronic converters, well-suited for high-power applications at medium voltage levels, ensuring superior power quality. While designing an MLI, there is a motif among the number of components, voltage stress on the semiconductor devices, and its voltage-boosting ability. A single source nine-level switched-capacitor based novel inverter with reduced components has been proposed in this paper. The proposed H-bridge based switched capacitor inverter topology employs nine switches, two capacitors, two diodes, and one DC source. The inverter has a quadruple voltage boost and the ability to draw continuous input current from the DC supply and self-voltage balance with a voltage ripple of less than <inline-formula> <tex-math notation="LaTeX">$\bf {5\%}$ </tex-math></inline-formula>. A comprehensive study of performance parameters, design consideration, and loss analysis of the proposed inverter is also incorporated. A level-shifted pulse width modulation technique is implemented to operate the inverter for unity to <inline-formula> <tex-math notation="LaTeX">$\bf {0.5}$ </tex-math></inline-formula> lagging load power factors and <inline-formula> <tex-math notation="LaTeX">$\bf {1-0.2}$ </tex-math></inline-formula> modulation indices. The dynamic responses of the proposed switched capacitor inverter topology are obtained through MATLAB simulation for analysis and further validated by hardware prototype.