NDLI: Coupled-inductor based diode assisted boost inverter for achieving high gain

Content Provider	IET Digital Library
Author	Iqbal, Taosif Lu, Haibin Zaman, Shah Tan, Siew Chong Li, Guojun Zhang, Xiongwen
Abstract	A high-gain single-stage three-phase coupled-inductor diode-assisted boost inverter (CL-DABI) is presented for energy applications. A new scheme has been proposed which is simple, has less number of energy storage components and uses non-shoot-through pulse-width modulation (PWM) techniques such as sine-wave PWM and space vector modulation to get the maximum gain from a low-voltage dc source. During simulation and hardware implementation, it was observed that the SPWM method resulted in a lower conversion rate and higher device stress. To improve the shortcomings, extended sine-wave PWM (ESPWM) method is proposed to achieve high gain without compromising the conversion efficiency and putting devices under stress. Mathematical analysis, simulations results and experimental verifications are presented here. Hardware results prove the validity of the proposed CL-DABI with ESPWM by achieving high intermediate dc gain, excellent dc–ac coupling, less device stress, comparable power quality and smaller size.
Starting Page	410
Ending Page	420
Page Count	11
ISSN	17554535
Volume Number	12
e-ISSN	17554543
Issue Number	Issue 3, Mar (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-pel/12/3
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2018.5449
Journal	IET Power Electronics
Publisher Date	2018-11-15
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Control of Electric Power System Conversion Efficiency Energy Application Energy Storage Energy Storage Component Excellent Dc–ac Coupling Extended Sine-wave PWM Method Hardware Implementation Hardware Result High Gain High Intermediate Dc Gain High-gain Three-phase CL-DABI Higher Device Stress Inductor Invertors Low-voltage Dc Source Lower Conversion Rate Mathematical Analysis Maximum Gain Power Converter Power Electronics Power Supplies to Apparatus Power Supply Pulse-width Modulation Technique Putting Device PWM Invertors PWM Power Converter Simulation Simulations Result Single-stage Three-phase Coupled-inductor Diode Space Vector Modulation SPWM Method Supervisory Circuit Switching Converter
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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