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Title: Design and implementation of a virtual synchronous generator based microgrid system
Authors: Teo, Guofeng
Keywords: DRNTU::Engineering::Electrical and electronic engineering
Issue Date: 2019
Abstract: In this paper, we will look into the design of virtual synchronous generator (VSG) which are controlled to mimic the characteristics of synchronous generator and the use of grid-controlled converter with virtual inertia which uses energy stored in dc-link capacitors for frequency support. The proposed control scheme involves two control loops, an inner voltage and current controller that is designed in z-domain which ensures system stability and voltage control, while an outer frequency and power controller that is in continuous s-domain, be consistent with current frequency regulation models. With the proposed design system, utilizing various control aims such as voltage support, damping of resonance, minimizing steady-state error, frequency support and virtual inertia, we can design and implement it to determine its feasibility in power system. Simulation result is obtained from a 1000W three phase system with a 3% load increase, to verify the effectiveness of the proposed design model
Rights: Nanyang Technological University
Fulltext Permission: restricted
Fulltext Availability: With Fulltext
Appears in Collections:EEE Student Reports (FYP/IA/PA/PI)

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