NDLI: Comparison of matrix converter stabilisation techniques based on the damping resistor and digital filter approaches for bidirectional power flow control

Content Provider	IET Digital Library
Author	Malekjamshidi, Zahra Jafari, Mohammad Zhu, Jianguo Xiao, Dan
Abstract	The matrix converter is becoming a mature technology with its specific advantages and limitations and can be effectively used as interface link in the future smart grids. In this context, the stability of the converter under different power flow conditions is highly important and needs more clarification. The input inductor–capacitor filter can significantly impact the stability of the converter when the output is tightly regulated, especially in bidirectional power flow control applications where a low-impedance source is connected to the converter output. This study investigates the matrix converter stability for bidirectional power flow control, considering the input filter and other parameters of the system. A detailed analysis of two commonly used active and passive stabilisation techniques known as digital filter and damping resistor approaches is presented, and a combination of these two methods is suggested as a better choice. The converter stability region for the proposed technique is determined by using the small-signal model of the converter. The converter performance for the methods is compared in terms of the efficiency, stability, transients, and quality of the input and output currents. Numerical simulations and experimental tests are conducted on a prototype direct matrix converter to validate the proposed method.
Starting Page	3964
Ending Page	3976
Page Count	13
ISSN	17554535
Volume Number	12
e-ISSN	17554543
Issue Number	Issue 15, Dec (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-pel/12/15
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2018.6178
Journal	IET Power Electronics
Publisher Date	2019-09-10
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Bidirectional Power Flow Control Application Commonly Used Active Stabilisation Technique Control of Electric Power System Converter Output Converter Performance Converter Stability Region Damping Damping Resistor Approach Different Power Flow Condition Digital Filter Approach Electrical Power System Future Smart Grid Inductor Input Inductor–capacitor Filter Load Flow Control Matrix Converter Matrix Converter Stabilisation Technique Matrix Converter Stability Other Power Apparatus And Electric Machine Passive Stabilisation Technique Power Capacitor Power Filter Power System Control Prototype Direct Matrix Converter Smart Power Grid
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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