Analysis and design of single stage modified Z source inverter in PV system using MATLAB Mohan P. R. Murali1, Vardhan M. Vishnu2, Kumar Y. N. Vijaya2 1Assoc. Professor, Dept of EEE, Sri Venkateswara College of Engineering and Technology, Chittoor, Andhra Pradesh, India 2Professor, Dept of EEE, Sri Venkateswara College of Engineering and Technology, Chittoor, Andhra Pradesh, India Online published on 1 November, 2018. Abstract This paper presents the PV based enhanced single stage modified Z Source Inverter applied to various applications. In the recent era, Z Source Inverter is improving. And the modified Z Source Inverter is developed from traditional Z Source Inverter It has two configurations are continuous input current and discontinuous inputs current. Similarly, improved ZSI's also have high output voltage gain at the shoot-through state and high modulation index. In order to enhance ZSI's provides an increase in output voltage. These proposed inverters compared with conventional enhanced-boost ZSIs, ZSI, SL-ZSI, qZSI. The proposed inverters have a high modulation index, high boost factor. The stress across the capacitor is reduced, overcomes the problem occurs in the circuit are starting inrush current, input current ripple can also be negligible. Analysis, the design of enhanced-boost modified Z-Source Inverter with a simple boost PWM technique and LC network. The study can finish, and it can validate in simulation results through MATLAB/SIMULINK tools. Top Keywords Z-source inverter, PWM, inrush current, boost factor, voltage gain inversion, shoot through state ratio. Top |