Protection and Power Smoothing of a DFIG DC Microgrid Hybrid Power System With SMES Based Unified Power Quality Conditioner
Also Available Domains Hybrid Systems
Objective
The primary objective of this paper is to develop a superconducting magnetic energy storage (SMES)-based unified power quality conditioner (UPQC) to enhance power quality, ensure protection, and smooth power fluctuations in a hybrid DFIG/DC micro grid system. The proposed system addresses low-voltage ride-through (LVRT) issues and power instability caused by renewable energy variability and grid faults.
Abstract
This paper proposes a unified power quality conditioner (UPQC) based on superconducting magnetic energy storage (SMES) for the protection and power smoothing of a doubly fed induction generator (DFIG)/DC microgrid hybrid power system. The UPQC integrates its DC side with the DC microgrid bus to stabilize the voltage and its AC side with the DFIG terminal to act as a dynamic voltage restorer (DVR). A step-shaped superconducting coil (SC) is designed to optimize the critical current and reduce cost while maintaining operational efficiency. The system employs a dual control strategy to manage the positive and negative sequence voltage components, ensuring robust performance under grid faults and load fluctuations. Simulation results validate the proposed method's ability to smooth power fluctuations, improve LVRT capabilities, and stabilize the hybrid system's operational parameters, demonstrating its feasibility and effectiveness for hybrid microgrid applications.
Keywords: DFIG, DC microgrid, SMES, unified power quality conditioner (UPQC), LVRT, hybrid power system, power smoothing.
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Block Diagram
Specifications
Operating System : Windows 7/8/10
Application Software: Matlab/Simulink
Hardware Configuration:
RAM : 8 GB
Processor : I3 / I5 (Mostly prefer)
Learning Outcomes
· Introduction to Matlab/Simulink
· What is EISPACK & LINPACK
· How to start with MATLAB
· About Matlab language
· About tools & libraries
· Application of Matlab/Simulink
· About Matlab desktop
· Features of Matlab/Simulink
· Basics on Matlab/Simulink
· Introduction DFIG
· Introduction to Solar System
· Introduction to SMES
· Introduction to UPQC
· Project Development Skills:
o Problem analyzing skills
o Problem solving skills
o Creativity and imaginary skills
o Programming skills
o Deployment
o Testing skills
o Debugging skills
o Project presentation skills
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