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Title: Resonance damping and torsional vibration issues in inverter-fed motor drive systems
Authors: Liang,Shijie
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2021
Publisher: Nanyang Technological University
Source: Liang, S. (2021). Resonance damping and torsional vibration issues in inverter-fed motor drive systems. Master's thesis, Nanyang Technological University, Singapore.
Project: D-205-20211-02635
Abstract: The core module of renewable energy power generation system is grid connected inverter. LCL-based grid-connected inverter is widely valued because of its superior high frequency harmonic suppression ability. LCL-filter has better high frequency harmonic attenuation and better filtering effect, but resonance suppression should be considered. In this dissertation, the inherent damping characteristic of LCL-filters is used to improve the resonance suppression. Two-mass drive system has the problem of torsional vibration when the torsion changes instantaneously. This issue can be solved using the same method as the LCL-filters. Both systems are modeled and simulated in PLECS to find the effect of resonance suppression or torsional vibration suppression. The two systems will be compared with each other.
Schools: School of Electrical and Electronic Engineering 
Fulltext Permission: restricted
Fulltext Availability: With Fulltext
Appears in Collections:EEE Theses

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