Shared redundancy strategy to improve the reliability and fault-tolerant capability of modular multilevel converter

S Farzamkia, HS Rizi, AQ Huang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Utilizing redundant submodules is a well-known strategy to improve the reliability and fault-
tolerant capability of the modular multilevel converter (MMC). Redundancy-based fault …

A software-based fault-tolerant strategy for modular multilevel converter using DC bus voltage control

S Farzamkia, H Iman-Eini… - IEEE Journal of …, 2020 - ieeexplore.ieee.org
A software-based method is proposed in this article to enhance the fault-tolerant capability of
modular multilevel converters (MMCs). In the proposed approach, dc bus voltage is …

Reliability assessment of modular multilevel converters: A comparative study of mil and mission profile methods

M Ahmadi, F Kardan, A Shekhar… - CIPS 2024; 13th …, 2024 - ieeexplore.ieee.org
Power electronics converters are essential for power generation, transmission, and
distribution. The modular multilevel converter (MMC) is highly valued for its versatility, high …

Optimum number of cascade cells for multilevel inverter considering redundancy strategies based on cost and reliability optimization

M Azimi, M Asadi - IET Generation, Transmission & Distribution, 2023 - Wiley Online Library
This paper proposes an economical reliability‐oriented solution to determine the optimal
number of cascade cells and redundancies for STATCOM using a Non‐Dominated Sorting …

Maintenance Scheduling Strategy for MMCs within an MVDC System Using Sensitivity Analysis

TY Nam, DI Cho, JW Shin, KH Yoon, JC Kim… - IEEE …, 2024 - ieeexplore.ieee.org
The rapid deployment of renewable energy sources is highlighting the critical need for
availability and efficiency in power systems, particularly within medium-voltage direct-current …

A Flexible Step-up Modular Multilevel Converter for High-Power Drive Application

S Farzamkia, A Khoshkbar-Sadigh… - … Conference & Expo …, 2020 - ieeexplore.ieee.org
A flexible step-up modular multilevel converter (MMC) is proposed in this paper with a
potential for high-power motor drive applications. Increasing the DC-link voltage utilization …

Detection and localization of open-circuit fault in modular multilevel converter

M Khaleghi, H Iman-Eini, S Farhangi… - 2020 11th Power …, 2020 - ieeexplore.ieee.org
Reliability is one of the main concerns in utilizing modular multilevel converter (MMC) in
medium-voltage and high-voltage systems due to having a large number of vulnerable …

An Filter Design Based on the Maximum Ripple Current for Two-Level Inverters Controlled with a Bipolar Switching Scheme

S Farzamkia, K Lakhera… - 2020 Clemson …, 2020 - ieeexplore.ieee.org
One of the key elements in transferring the power from the distributed renewable energy
resources into the power grid is the single-phase inverters. However, due to the operation …

Current THD comparison of different offset injections in the linear modulation range for cascaded H-bridge converters

MU Khan, O Dordevic, M Jones - 2022 XIV International …, 2022 - ieeexplore.ieee.org
The equivalence of space vector pulse width modulation (PWM) and carrier-based PWM
through the injection of a common-mode voltage is already known for two-level (first min …

6MW, 10KV High Speed PMSM Digital Drive System for Highly Efficient Compressors

J Janning, P Zhu, C Deng - 2024 PCIC Energy Europe (PCIC …, 2024 - ieeexplore.ieee.org
Modern gas compressor systems in the megawatt range strive for high reliability and
efficiency. High speed motors with active magnetic bearings (AMB) can be directly coupled …