Generic stabilization strategy for the modern power electronic system

This dissertation focuses on the stability issue of the modern power electronic system. The power electronic system is a multi-converter system, a number of converters exhibit the constant power loads behavior, which may lead to the instability of the system. Firstly, some background knowledge and...

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Bibliographic Details
Main Author: Zhang, Shuying
Other Authors: Jack Zhang Xin
Format: Thesis-Master by Coursework
Language:English
Published: Nanyang Technological University 2020
Subjects:
Online Access:https://hdl.handle.net/10356/142894
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Institution: Nanyang Technological University
Language: English
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Summary:This dissertation focuses on the stability issue of the modern power electronic system. The power electronic system is a multi-converter system, a number of converters exhibit the constant power loads behavior, which may lead to the instability of the system. Firstly, some background knowledge and system models are introduced, following this, it explains the criterion used to judge stability of the system. Further, two types of damping as solutions to the negative incremental impedance are presented. The corresponding constraints are listed to determine whether the design meets the stability requirements. Consequently, the validity of both approaches is verified by simulations and experimental results.