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IJSTR >> Volume 9 - Issue 2, February 2020 Edition



International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616



TZ- Source Inverter For The Speed Control Of Three Phase Induction Motor

[Full Text]

 

AUTHOR(S)

S. B. Ron Carter, L. P. Sivakumar, K. Premkumar, A.Selvaraj, M. Vishnu Priya

 

KEYWORDS

Induction motor, adjustable speed drives, voltage and frequency control, rectifier, inverter, boost inversion ability, transformer, Z- source inverter.

 

ABSTRACT

TZ-source inverter is a new boost voltage source inverter, designed by replacing the inductors with two transformers in the classical Z source inverter. This new topology inverter uses transformers with low number of turns in order to minimize the size and weight of the model without compromising the voltage gain at output. The voltage boosts up ability can be achieved with very low shoot-through duty ratio which helps in improving the modulation index. By improving the modulation index the main circuit output power quality can be improved. In this, speed control is possible by controlling the gate pulse given to the inverter. The PWM method is used for controlling the pulse width given to the inverter switches.

 

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