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Comparative Analysis of Z-Source Inverter Control Techniques for Photovoltaic Applications

Mustafa Sacid Endiz*, Ramazan Akkaya**

* Department of Electrical and Electronics Engineering, Necmettin Erbakan University, Konya, Turkey.

** Department of Electrical and Electronics Engineering, Konya Technical University, Konya, Turkey.

Periodicity:May - July'2019
DOI : https://doi.org/10.26634/jps.7.2.16729

Abstract

The impedance-source power converter (Z-Source inverter) has become progressively well known and is considered as a unique alternative for classic inverters. Z-Source inverter advantageously eliminates the conceptual and theoretical limitations of conventional inverters and provides an advanced power conversion concept, which is not conceivable in Voltage Source Inverter (VSI) and Current Source Inverter (CSI). It has a particular impedance network, where a capacitor and inductor are combined into the Z network to link the inverter circuit to the DC power source. Classic carrier-based Pulse Width Modulation (PWM) control techniques of the Z-Source inverter are simple boost control, maximum boost control and maximum constant boost control respectively. In this paper, a comparative analysis of three different control techniques of the Z-Source inverter for the determined boost factor (B) is conducted based on simulations and mathematical analysis using MATLAB/Simulink. Maximum voltage stress applied on semiconductor devices (V_s), voltage gain (G) and modulation index (M) of each control techniques are compared in details. According to the obtained results Maximum Boost Control techniques has better performance than other PWM control techniques.

Keywords

Z-Source Inverter, Voltage Stress, Voltage Gain, Modulation Index.

How to Cite this Article?

Endiz, M. S., and Akkaya, R. (2019). Comparative Analysis of Z-Source Inverter Control Techniques for Photovoltaic Applications. i-manager’s Journal on Power Systems Engineering, 7(2), 1-10. https://doi.org/10.26634/jps.7.2.16729

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Comparative Analysis of Z-Source Inverter Control Techniques for Photovoltaic Applications

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