NDLI: Improved SHM-PAM-based five-level CHB inverter to fulfil NRS 048-2:2003 grid code and to apply as shunt active power filter with tuned proportional-resonant controller for improving power quality

Content Provider	IET Digital Library
Author	Kundu, Sourabh Banerjee, Subrata Bhowmick, Supratik
Abstract	This study proposes a selective harmonic minimisation-pulse amplitude modulation (SHM-PAM) technique utilising least number of switching based on optimised waveform pattern for five-level cascaded H-bridge (CHB) inverter to satisfy the NRS 048-2:2003 grid code standard. Here, particle swarm optimisation method is used to evaluate the solution of the optimised switching angles and variable DC-link voltages. A comparison between the proposed SHM-PAM and conventional selective harmonic elimination-pulse width modulation (SHE-PWM) techniques has been carried out by harmonic performance analysis (total harmonic distortion (THD), weighted current THD and harmonic loss factor) and loss analysis (conduction, switching and their cumulative losses) of the switches of five-level CHB inverter under different load power factor angles for medium-voltage application. The performances of the conventional SHE-PWM and proposed SHM-PAM techniques are examined through experimentation using a three-phase five-level CHB inverter. Finally, the proposed technique based 5-level CHB inverter is applied to shunt active power filter using tuned proportional plus parallel resonant current controller for improvement in power quality under non-ideal grid conditions.
Starting Page	2350
Ending Page	2360
Page Count	11
ISSN	17554535
Volume Number	13
e-ISSN	17554543
Issue Number	Issue 11, Aug (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-pel/13/11
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2019.1295
Journal	IET Power Electronics
Publisher Date	2020-05-06
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	5-level CHB Inverter Active Filter Active Network Control of Electric Power System Current Control DC-link Voltage Electric Current Control Five-level Cascaded H-bridge Inverter Harmonic Distortion Harmonic Loss Factor Harmonic Performance Analysis Harmonics Harmonics Suppression Invertors Load Power Factor Angles Loss Analysis Nonideal Grid Condition NRS 048-2:2003 Grid Code Standard Optimisation Technique Other Power Apparatus And Electric Machine Particle Swarm Optimisation Power Conversion Harmonics Power Electronics Power Factor Power Filter Power Grid Power Harmonic Filter Power Quality Power Supply Power Supply Quality Power System Control Power System Economics Power System Managemen Power System Operation Proportional-resonant Controller Pulse Amplitude Modulation PWM Invertors PWM Power Converter Selective Harmonic Elimination-pulse Width Modulation Selective Harmonic Minimisation-pulse Amplitude Modulation SHM-PAM Shunt Active Power Filter Supervisory Circuit Switching Angles Three-phase Five-level CHB Inverter Total Harmonic Distortion Tuned Proportional Plus Parallel Resonant Current Controller Voltage Control Waveform Pattern Optimisation Weighted Current THD
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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