Md Rifat Kaisar Rachi

Works (13)

Updated: June 29th, 2024 05:02

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
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Source: Web Of Science
Added: August 21, 2023

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
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Sources: Web Of Science, NC State University Libraries
Added: September 5, 2023

2023 journal article

Modeling, Analysis, and Design for Small-Signal Stability in Sequence-Decomposed Grid-Forming Control

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, 60(1), 865–875.

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

author keywords: Grid-forming control; fault ride-through; unbalanced faults; symmetrical component extraction
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 1, 2024

2022 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)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: December 9, 2022

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)
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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).

By: M. Awal *, R. Rachi  n, H. Yu *, S. Schroder * & I. Husain n

author keywords: Grid-forming control; inverter based resources; fault ride-through; unbalanced faults; symmetrical component extraction; positive and negative sequence components
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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
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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
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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
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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
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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)
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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.

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

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 n, M. Rachi  n, C. Peng  n & I. Husain n

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

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