A Comparative Study between Z-Source Inverter and Voltage Source Inverter for Induction Motor Drive
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2015, Vol 3, Issue 6
Abstract
This paper presents comparative performance characteristics of Z-source inverter (ZSI) fed Induction Motor (IM) drives with traditionally used voltage source inverter (VSI) fed Induction Motor (IM) drives. As ZSI has unique capabilities of voltage buck and boost, it can produce any desired output AC voltage. It employs a combination of cross coupled network of two inductors and two capacitors to dc-link of main inverter circuit. By using simple boost control the ZSI reduces line harmonics, improve power factor, increases reliability as variable torque is provided. Simulation result of ZSI fed IM drives as compared with VSI fed IM drives gives superior performance for torque, speed, and stator & rotor current characteristics.
Authors and Affiliations
Shobhana D. Langde, Dr. D. P. Kothari
Keywords
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