NDLI: Improved two-stage boost inverter with integrated control strategy

Content Provider	IET Digital Library
Author	Hong, Feng Zhu, Peng Ji, Baojian
Abstract	In this study, an integrated control strategy is proposed which can be widely used in two-stage boost inverters, and an improved two-stage boost inverter is taken as an example to present the proposed integrated control idea. The presented inverter can operate in four quadrants, which can realise grid-connected or stand-alone inverter. With improved control strategy, it not only can reduce the number of switching times and improve the efficiency but also can reduce the harmonic contents of bridge arm voltage and further decrease the volume and weight of the filter. Therefore, the presented inverter still has the advantages in efficiency and volume when compared with single-stage boost inverters. The operating principle, harmonic analysis, simulation and experiments are provided in this study. A 500 W prototype is established and tested, and the results of simulation and experiments verify the correctness of the theoretical analysis.
Starting Page	2266
Ending Page	2275
Page Count	10
ISSN	17554535
Volume Number	12
e-ISSN	17554543
Issue Number	Issue 9, Aug (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-pel/12/9
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2019.0112
Journal	IET Power Electronics
Publisher Date	2019-05-15
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Bridge Arm Voltage Centralised Control Control of Electric Power System Electric Current Control Harmonic Analysis Integrated Control Strategy Invertors Mathematical Analysis Operating Principle Power Converter Power Grid Power Supplies to Apparatus Power System Control Single-stage Boost Inverter Two-stage Boost Inverter
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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