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
topics (OpenAlex): Microgrid Control and Optimization; HVDC Systems and Fault Protection; Multilevel Inverters and Converters
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7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID, Crossref, NC State University Libraries
Added: August 21, 2023

2023 article

Grid-Forming Nature Retaining Fault Ride-Through Control

Awal, M. A., Rachi, M. R. K., Yu, H., Schröder, S., Dannehl, J., & Husain, I. (2023, March 19). 2023 IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION, APEC, Vol. 3, pp. 2753–2758.

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

author keywords: Grid-forming control; GFM; fault ride-through; FRT; current constrained operation; current limiting control
topics (OpenAlex): Microgrid Control and Optimization; Islanding Detection in Power Systems; Multilevel Inverters and Converters
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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), 1–11.

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

author keywords: Grid-forming control; fault ride-through; unbalanced faults; symmetrical component extraction
topics (OpenAlex): Microgrid Control and Optimization; Islanding Detection in Power Systems; Wind Turbine Control Systems
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Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
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)
topics (OpenAlex): Microgrid Control and Optimization; Smart Grid Energy Management; Islanding Detection in Power Systems
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, Crossref
Added: December 9, 2022

2022 article

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

Rachi, M. R. K., & Husain, I. (2022, March 7). IEEE Transactions on Industry Applications.

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)
topics (OpenAlex): HVDC Systems and Fault Protection; Silicon Carbide Semiconductor Technologies; High-Voltage Power Transmission Systems
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID
Added: June 13, 2022

2022 article

Symmetrical Components Extraction for Grid-Forming Voltage Source Converters

Awal, M. A., Rachi, M. R. K., Yu, H., Schroder, S., & Husain, I. (2022, October 9). 2022 IEEE Energy Conversion Congress and Exposition (ECCE).

By: M. Awal *, M. 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
topics (OpenAlex): Microgrid Control and Optimization; Islanding Detection in Power Systems; Wind Turbine Control Systems
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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 Control

Awal, M. A., Rachi, M. R. K., Bipu, M. R. H., Yu, H., & Husain, I. (2021, October 10). 2021 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE).

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
topics (OpenAlex): Microgrid Control and Optimization; Smart Grid Energy Management; Islanding Detection in Power Systems
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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

Rachi, M. R. K., & Husain, I. (2021, June 14).

By: M. Rachi n & I. Husain n

author keywords: DC distribution system; fault; arc-free isolation; hybrid DC circuit breaker; current limiting converter; MOV
topics (OpenAlex): HVDC Systems and Fault Protection; High-Voltage Power Transmission Systems; Advanced DC-DC Converters
UN Sustainable Development Goals Color Wheel
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

Rachi, M. R. K., Cen, S., Bipu, M. R. H., Khan, M. A., & Husain, I. (2021, October 10).

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
topics (OpenAlex): Microgrid Control and Optimization; Advanced DC-DC Converters; Energy Harvesting in Wireless Networks
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UN Sustainable Development Goal Categories
Source: Web Of Science
Added: July 5, 2022

2021 article

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

Rachi, M. R. K., Khan, M. A., & Husain, I. (2021, June 23). IEEE Transactions on Industry Applications.

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
topics (OpenAlex): Microgrid Control and Optimization; HVDC Systems and Fault Protection; Islanding Detection in Power Systems
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID
Added: September 20, 2021

2020 journal article

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

IEEE Transactions on Industry Applications, 56(3), 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
topics (OpenAlex): HVDC Systems and Fault Protection; Silicon Carbide Semiconductor Technologies; Power System Reliability and Maintenance
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 Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID, Crossref
Added: September 14, 2020

2017 article

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

Mackey, L., Rachi, M. R. K., Peng, C., & Husain, I. (2017, October 1).

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

topics (OpenAlex): HVDC Systems and Fault Protection; Silicon Carbide Semiconductor Technologies; Power System Reliability and Maintenance
Source: NC State University Libraries
Added: August 6, 2018

2017 article

Z-Source circuit breaker utilizing Ultra-Fast Mechanical Switch for high efficiency DC circuit protection

Mackey, L., Rachi, M. R. K., Peng, C., & Husain, I. (2017, June 1).

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

topics (OpenAlex): HVDC Systems and Fault Protection; Silicon Carbide Semiconductor Technologies; Electrical Fault Detection and Protection
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018

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