Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Firehiwot Gurara"'
Publikováno v:
2023 IEEE Applied Power Electronics Conference and Exposition (APEC).
Autor:
Firehiwot Gurara, Sreyam Sinha, Rabail Makhdoom, Lingcheng Kong, Zhiting Tian, Khurram K. Afridi
Publikováno v:
2021 IEEE 22nd Workshop on Control and Modelling of Power Electronics (COMPEL).
Autor:
Danish Shahzad, Saad Pervaiz, Khurram K. Afridi, Maida Farooq, Firehiwot Gurara, Mausamjeet Khatua
Publikováno v:
2021 IEEE Energy Conversion Congress and Exposition (ECCE).
This paper presents improved control techniques for a current-mode-controlled offline LED driver that uses a merged energy buffer for twice-line-frequency energy buffering. The LED driver has two power conversion stages: a four-switch buck-boost PFC
Autor:
Saad Pervaiz, Khurram K. Afridi, Maida Farooq, Mausamjeet Khatua, Firehiwot Gurara, Danish Shahzad
Publikováno v:
2020 IEEE 21st Workshop on Control and Modeling for Power Electronics (COMPEL).
This paper presents an improved control strategy and a systematic optimization methodology to enhance the operation and energy density of merged energy buffer-based two-stage ac-dc converters. The merged energy buffer comprises series-stacked switcha
Publikováno v:
2020 IEEE Energy Conversion Congress and Exposition (ECCE).
This digest presents an improved design methodology to enhance the energy density of the recently proposed merged energy buffer used for twice-line frequency energy buffering in single phase ac-dc converters. The merged energy buffer architecture has
Publikováno v:
2020 IEEE Energy Conversion Congress and Exposition (ECCE).
This paper studies, the grid-interconnection requirements of directly connected medium-voltage (MV) Silicon Carbide-based (SiC-based) converters and details the necessary control implementations. These power electronic converters follow the interconn