Performance Evaluation of Two-Level Photovoltaic Voltage Source Inverter Considering SPWM and SVM Switching Controller
Journal Title: International Journal of engineering Research and Applications - Year 2017, Vol 7, Issue 3
Abstract
The switching control schemesincluding sinusoidal pulsewidth modulation (SPWM) and space vector modulation (SVM) are very important for the efficiency and accuracyof the voltage source inverter (VSI). Therefore, this paper presents a performance evaluation of a two-level VSI for the photovoltaic (PV) system based on adopted switching controllers namely, SPWM and SVM switching methods. The evaluation procedure and accuracy are demonstrated and investigated using simulations conducted for a 1.5 kW inverter in a MATLAB/Simulink environment. Two types of loads are utilized to assess the performance of the VSI which are resistive (R) load and resistive and inductive (RL) load. Total harmonic distortion (THD) is used for the comparison of the SPWM and the SVM. Results show that the SVM performs better compared with the SPWM in terms of THD rate. The THDs for SVM based system are found to be 0.02% and 0.08% for the R and RL, respectively; whereas the THDsfor SPWM controller are found to be 0.43% and 0.51% for the R and RL, respectively. Furthermore, mean square error (MSE) is also consideredas a statistical indicator. The MSE indicates that the SVM switching controller technique have superior outcomes compared with the SPWM switching controller technique and thus increases the efficiency of the whole system.
Authors and Affiliations
Dr. Ammar Hussein Mutlag, Siraj Qays Mahdi, Omar Nameer Mohammed Salim
Keywords
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- EP ID EP390324
- DOI 10.9790/9622-0703022935.
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