Mixed redundancy strategy for modular multilevel converters in high-power applications

M Ahmadi, A Shekhar, P Bauer - IEEE Open Journal of the …, 2024 - ieeexplore.ieee.org
Modular multilevel converters are favorable for efficiently operating high-power usages. The
required number of components significantly increases when higher modularity is …

Optimal power flow control in parallel operating AC and DC distribution links

A Shekhar, TB Soeiro, Y Wu… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
DC links with back to back voltage source converters are usually built alongside the existing
medium voltage ac distribution grids for infrastructure reinforcement. The distribution …

Design trade-offs of modular multilevel converter-based arbitrary wave shape generator for conventional and unconventional high voltage testing

DA Ganeshpure, TB Soeiro, MG Niasar… - IEEE Open Journal …, 2021 - ieeexplore.ieee.org
This paper comprehensivelyinvestigates the design trade-offs of a Modular Multilevel
Converter (MMC) operations as an Arbitrary Wave shapesGenerator (AWG) to perform High …

Switch voltage rating selection considering cost-oriented redundancy and modularity-based trade-offs in modular multilevel converter

M Ahmadi, A Shekhar, P Bauer - IEEE Transactions on Power …, 2023 - ieeexplore.ieee.org
Modular Multilevel Converters (MMCs) find increasing applications in medium to high-
voltage systems. In such systems, reliability-oriented selection of power electronic switches …

Reconfigurability, modularity and redundancy trade-offs for grid connected power electronic systems

M Ahmadi, A Shekhar, P Bauer - 2022 IEEE 20th International …, 2022 - ieeexplore.ieee.org
Power electronic converters (PECs) are workhorses of emerging distribution networks. PEC
interfaced grids can function as flexible power corridors facilitating compact and efficient …

Virtual resistor active dam** with selective harmonics control of LCL-filtered VSCs

Y Wu, TB Soeiro, A Shekhar, J Xu… - 2021 IEEE 19th …, 2021 - ieeexplore.ieee.org
LCL filter is widely adopted for strict standard compliance of grid-tied voltage source
converters (VSCs). The third order low-pass filtering provides great attenuation for the high …

Offline reconfigurability based substation converter sizing for hybrid ac–dc distribution links

A Shekhar, TB Soeiro… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Hybrid ac-dc distribution systems with multiple parallel operating ac and dc links are being
developed to maximize system capacity during (n-1) contingencies. This paper shows that …

Voltage source converter control under distorted grid voltage for hybrid ac-dc distribution links

Y Wu, A Shekhar, TB Soeiro… - IECON 2019-45th Annual …, 2019 - ieeexplore.ieee.org
Back-To-Back (B2B) Voltage Source Converter (VSC) with AC-side LCL filters can be
adopted for parallel AC-DC distribution links. In this paper, Grid-side Current Control (GCC) …

Zero sequence currents externally circulating between the back to back modular multilevel converters in parallel ac-dc distribution links

A Shekhar, TB Soeiro… - … Conference on Power …, 2019 - ieeexplore.ieee.org
During the operation of a three line ac link in parallel with a ac-dc-ac link system that
employs Back-to-Back (B2B) Medium Voltage Modular Multilevel Converters (MMC), a path …

Modular multilevel converter-based arbitrary wave shape generator used for high voltage testing

DA Ganeshpure, TB Soeiro, MG Niasar… - 2021 IEEE 19th …, 2021 - ieeexplore.ieee.org
This paper analyses different design trade-offs for a Modular Multilevel Converter (MMC)-
based Arbitrary Wave shape Generator (AWG) used for High Voltage (HV) testing and …