NDLI: Cascaded controller for a standalone microgrid-connected inverter based on triple-action controller and particle swarm optimisation

Content Provider	IET Digital Library
Author	Salim, Omar M. Aboraya, Amgad Arafa, Shawky I.
Abstract	In this study, power quality (PQ) improvement has been addressed, in the form of total harmonic distortion (THD) minimisation, as well as, voltage regulation using two cascaded schemes. The first scheme is the optimised triple action controller (TAC)-based pulse width modulated voltage source inverter. TAC consists of a proportional resonant controller, selective harmonic compensator, and a new added current-assisted feed forward controller. The second scheme is the optimised cascaded dual-level control of a standalone microgrid. Cascaded level control consists of droop, secondary, and synchronisation control loops. The two approaches have been optimised for best parameter selection out of the possible solution space using a particle swarm optimisation algorithm to satisfy the study objectives. The optimisation objectives/constraints were to minimise THD and minimise overshoot/undershoot, rise time, and steady-state error for voltage compensation under two disturbance scenarios, sudden load change, and voltage flicker injection as a power frequency disturbance. These research results have been compared to other existing simulation and experimental work. The results proved to be better in output voltage, frequency, response time, and THD. Furthermore, the proposed schemes ensure power factor improvement, high efficiency, overall system PQ, and reliability at various load conditions.
Starting Page	3389
Ending Page	3399
Page Count	11
ISSN	17518687
Volume Number	14
e-ISSN	17518695
Issue Number	Issue 17, Sep (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/14/17
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2019.1641
Journal	IET Generation, Transmission & Distribution
Publisher Date	2020-07-07
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Added Current-assisted Feed Forward Controller Cascade Control Cascaded Controller Cascaded Level Control Cascaded Scheme Control of Electric Power System Current Control Distributed Power Generation Electric Current Control Feedforward Harmonic Distortion Invertors Modulated Voltage Source Inverter Optimisation Technique Optimised Cascaded Dual-level Control Optimised Triple Action Controller-based Pulse Output Voltage Particle Swarm Optimisation Particle Swarm Optimisation Algorithm Power Converter Power Factor Power Factor Improvement Power Frequency Disturbance Power Generation Control Power Grid Power Quality Improvement Power Supplies to Apparatus Power Supply Quality Proportional Resonant Controller Selective Harmonic Compensator Standalone Microgrid-connected Inverter Study Objectives Synchronisation Control Loops TAC THD Total Harmonic Distortion Triple-action Controller Voltage Compensation Voltage Control Voltage Flicker Injection Voltage Regulation
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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