NDLI: One cycle controlled grid-tied differential boost inverter

Content Provider	IET Digital Library
Author	Purnama, Irwan Chi, Pei Chin Hsieh, Yao Ching Lin, Jing Yuan Chiu, Huang Jen
Abstract	A differential boost inverter (DBI) consists of two bidirectional boost converters and has a differential sinusoidal output voltage. This output voltage is obtained because each bidirectional boost converters generates a dc-biased sinusoidal voltage. Owing to this characteristic, this inverter topology requires a controller that can track a dc-biased sinusoidal voltage as the control reference. One cycle control (OCC) is a non-linear control approach that can meet the requirements and be easily implemented in a simple circuit with constant switching frequency. The controller must be capable of achieving a unity power factor (PF) because the inverter is designed to deliver maximum active power to the grid. Therefore, the sinusoidal reference signal of the OCC is formed by the scaled grid voltage and its derivation. Given this reference signal, the inverter output voltage represents the grid voltage with a small variation phase and amplitude. Furthermore, this strategy will guarantee that the output current and the grid voltage are in phase. An experimental prototype of DBI is implemented to verify that the control approach can achieve PF close to unity such that the maximum active power can be delivered to the grid with minimum current total harmonic distortion.
Starting Page	2216
Ending Page	2222
Page Count	7
ISSN	17554535
Volume Number	9
e-ISSN	17554543
Issue Number	Issue 11, Sep (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-pel/9/11
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2015.0611
Journal	IET Power Electronics
Publisher Date	2016-09-07
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Active Power Bidirectional Boost Converter Control of Electric Power System DBI DC-biased Sinusoidal Voltage Differential Sinusoidal Output Voltage Grid Voltage Grid-tied Differential Boost Inverter Harmonic Distortion Inverter Topology Invertors Nonlinear Control Approach Nonlinear Control System OCC One Cycle Control Power Conversion Harmonics Power Electronics Power Factor Power Grid Power Supply Sinusoidal Reference Signal Supervisory Circuit Switching Circuit Switching Converter Total Harmonic Distortion Unity Power Factor Voltage Control
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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