List of Articles Total harmonic distortion Open Access Article Abstract Page Full-Text 1 - An Approach for improving the total harmonic distortion in a triple level photovoltaic invertor based on selective harmonic elimination technique Majid Rezvani Mohamad T.Askari Open Access Article Abstract Page Full-Text 2 - Improved Structure Design of a Single Phase Multilevel Inverter with the Aim of Reducing Switching Devices A. Seifi M. Hoseinpour M. DejamKhoy F. Sedaghati Open Access Article Abstract Page Full-Text 3 - Voltage THD Minimization in Multilevel Cascade Inverters Using Repetitive Quadratic Programming Mehdi Mohammadzamani Majid Moazzami Iman Sadeghkhani Open Access Article Abstract Page Full-Text 4 - Electronic Ballast Design for Fluorescent Lamps with High Power Factor Omid Sharifiyana Majid Dehghani Ghazanfar Shahgholian Sayyed Mohammad Mehdi Mirtalaei Masoud Jabbari Open Access Article Abstract Page Full-Text 5 - Optimal Allocation of the Distributed Active Filters Based on Total Loss Reduction Vahid Chakeri Mehrdad Tarafdar Hagh Open Access Article Abstract Page Full-Text 6 - Determination of optimal control coefficients for Dynamic Voltage Restorer (DVR) based on Non-dominated Sorting Bird Swarm Algorithm (NSBSA) Reza Ghanizadeh Hamed Azadrou Open Access Article Abstract Page Full-Text 7 - Improving the Performance of Permanent Magnet Synchronous Motor by Using Direct Current Control Method Based On Predictive Controller With Continuous Control Set Reza Sharifian Hamid Rahimi Esfahani