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Minimization of dead-time effect in current-controlled three-phase pwm inverters by using virtual inductor

Putri A.I.a, Rizqiawan A.a, Rachmildha T.D.a, Haroen Y.a, Dahono P.A.a

a School of Electrical Engineering and Informatics Institut Teknologi Bandung, Bandung, Indonesia

[vc_row][vc_column][vc_row_inner][vc_column_inner][vc_separator css=”.vc_custom_1624529070653{padding-top: 30px !important;padding-bottom: 30px !important;}”][/vc_column_inner][/vc_row_inner][vc_row_inner layout=”boxed”][vc_column_inner width=”3/4″ css=”.vc_custom_1624695412187{border-right-width: 1px !important;border-right-color: #dddddd !important;border-right-style: solid !important;border-radius: 1px !important;}”][vc_empty_space][megatron_heading title=”Abstract” size=”size-sm” text_align=”text-left”][vc_column_text]© 2020, School of Electrical Engineering and Informatics. All rights reserved.Dead-time causes distorted output current in current-controlled three-phase PWM inverters. Instead of using a real inductor, a virtual inductor is proposed in this paper to minimize the dead-time effects. Virtual inductor is an additional controller block that changes the system behavior so that it is similar as if there is a real inductor in the system. As it is virtual inductor, we have no problems of cost and losses. How to design a virtual inductor for dead-time effect minimization is presented in this paper. The effect of low-pass filter (LPF) which is mandatory in virtual inductor application is also presented in this paper. Simulation and experimental results are included to show the effectiveness of proposed virtual inductor.[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Author keywords” size=”size-sm” text_align=”text-left”][vc_column_text][/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Indexed keywords” size=”size-sm” text_align=”text-left”][vc_column_text]Current-controller,Dead-time effect,Inverter,Virtual inductor[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Funding details” size=”size-sm” text_align=”text-left”][vc_column_text][{‘$’: ‘The first author thanks to LPDP for doctoral scholarship. This research is Ministry of Research, Technology and Higher Education Indonesia through Excellence Research 2016 and LPDP.’}, {‘$’: ‘The first author thanks to LPDP for doctoral scholarship. This research is funded by Ministry of Research, Technology and Higher Education Indonesia through University Excellence Research 2016 and LPDP.’}][/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”DOI” size=”size-sm” text_align=”text-left”][vc_column_text]https://doi.org/10.15676/ijeei.2020.12.1.10[/vc_column_text][/vc_column_inner][vc_column_inner width=”1/4″][vc_column_text]Widget Plumx[/vc_column_text][/vc_column_inner][/vc_row_inner][/vc_column][/vc_row][vc_row][vc_column][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][/vc_column][/vc_row]