Md Rifat Kaisar Rachi

Works (12)

Updated: April 5th, 2024 10:47

2023 journal article

Asymmetrical Fault Ride-Through and Power Oscillation Characterization for Grid-Tied Voltage Source Converters

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, 59(4), 4550–4561.

By: M. Rachi*, M. Awal* & I. Husain n

author keywords: Distributed energy resources; fault ride-through; grid-tied voltage source converter; power oscillation; symmetrical and asymmetrical fault
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 21, 2023

2023 journal article

Double Synchronous Unified Virtual Oscillator Control for Asymmetrical Fault Ride-Through in Grid-Forming Voltage Source Converters

IEEE TRANSACTIONS ON POWER ELECTRONICS, 38(6), 6759–6763.

By: M. Awal n, M. Rachi n, H. Yu n, I. Husain n & S. Lukic n

author keywords: Oscillators; Synchronization; Voltage control; Phase locked loops; Control systems; Frequency synchronization; Switches; Asymmetrical fault ride-through; fault-ride-through (FRT); grid-forming (GFM) converter; unified virtual oscillator controller (UVOC)
TL;DR: A double synchronous unified virtual oscillator controller (dsUVOC) is proposed for grid-forming voltage source converters to achieve synchronization to the fundamental frequency positive- and negative-sequence components of unbalanced or distorted grids. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: December 9, 2022

2023 article

Grid-Forming Nature Retaining Fault Ride-Through Control

2023 IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION, APEC, pp. 2753–2758.

By: M. Awal*, M. Rachi n, H. Yu*, S. Schroeder, J. Dannehl* & I. Husain n

author keywords: Grid-forming control; GFM; fault ride-through; FRT; current constrained operation; current limiting control
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: September 5, 2023

2022 journal article

Metal Oxide Varistor Design Optimization and Main Breaker Branch Switch Control of a Progressively Switched Hybrid DC Circuit Breaker

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, 58(3), 3064–3075.

By: M. Rachi n & I. Husain n

author keywords: Switching circuits; Circuit breakers; Circuit faults; Frequency modulation; Switches; Control systems; Fault currents; DC systems; fast mechanical switch; fault isolation; hybrid dc circuit breaker; metal oxide varistor (MOV)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Web Of Science
Added: June 13, 2022

2022 article

Symmetrical Components Extraction for Grid-Forming Voltage Source Converters

2022 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE).

author keywords: Grid-forming control; inverter based resources; fault ride-through; unbalanced faults; symmetrical component extraction; positive and negative sequence components
Source: Web Of Science
Added: November 20, 2023

2021 article

Adaptive Pre-Synchronization and Discrete-Time Implementation for Unified Virtual Oscillator Control1

2021 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE), pp. 3418–3424.

By: M. Awal n, M. Rachi n, M. Bipu n, H. Yu n & I. Husain n

author keywords: pre-synchronization; unified virtual oscillator control; uVOC; grid-forming converter; terminal voltage compensation
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: July 5, 2022

2021 article

Design and Development of A Hybrid DC Circuit Breaker for 380V DC Distribution System

2021 THIRTY-SIXTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC 2021), pp. 1122–1127.

By: M. Rachi n & I. Husain n

author keywords: DC distribution system; fault; arc-free isolation; hybrid DC circuit breaker; current limiting converter; MOV
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Source: Web Of Science
Added: September 20, 2021

2021 article

Design and Development of a Multi-Port Converter for Marine Microgrid Applications

2021 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE), pp. 1184–1190.

By: M. Rachi n, S. Cen n, M. Bipu n, M. Khan n & I. Husain n

author keywords: Multi-port converter; wave energy; microgrid; active damping; resonant controller; thermal analysis
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: July 5, 2022

2021 journal article

Local Measurement-Based Protection Coordination System for a Standalone DC Microgrid

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, 57(5), 5332–5344.

By: M. Rachi n, M. Khan n & I. Husain n

author keywords: Microgrids; Circuit faults; Circuit breakers; Inverters; Reliability; Load modeling; Torque; Constant power load; current limit; power electronic converter; solid-state dc circuit breaker; standalone dc microgrid; wave energy
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Source: Web Of Science
Added: September 20, 2021

2020 article

Optimization and Control of a Z-Source, Ultrafast Mechanically Switched, High-Efficiency DC Circuit Breaker

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, Vol. 56, pp. 2871–2879.

By: L. Mackey n, M. Rachi n, C. Peng n & I. Husain n

author keywords: DC circuit breaker (DCCB); power system protection; ultrafast mechanical switch (UFMS); Z-source
TL;DR: A novel design of the Z-source circuit breaker topology is presented to minimize on-state losses of the protection device and an ultrafast mechanical switch is proposed to commutate the fault current and improve the controllability of the circuit breaker. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Source: Web Of Science
Added: September 14, 2020

2017 conference paper

Optimization of a Z-source, ultra-fast mechanically switched, high efficiency DC circuit breaker

2017 ieee energy conversion congress and exposition (ecce), 3764–3770.

Source: NC State University Libraries
Added: August 6, 2018

2017 conference paper

Z-source circuit breaker utilizing ultra-fast mechanical switch for high efficiency DC circuit protection

2017 IEEE Second International Conference on DC Microgrids (ICDCM), 452–458.

By: L. Mackey*, M. Rachi, C. Peng & I. Husain*

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018

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