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Protection Scheme of an Integrated Photovoltaic and Type 3 Wind Turbines System

Citation

CHEN, XIAOQING. (2019-12). Protection Scheme of an Integrated Photovoltaic and Type 3 Wind Turbines System. Theses and Dissertations Collection, University of Idaho Library Digital Collections. https://www.lib.uidaho.edu/digital/etd/items/chen_idaho_0089n_11706.html

Title:
Protection Scheme of an Integrated Photovoltaic and Type 3 Wind Turbines System
Author:
CHEN, XIAOQING
Date:
2019-12
Program:
Electrical and Computer Engineering
Subject Category:
Electrical engineering
Abstract:

The increasing penetration of renewable energy sources into power grids has been driven by the rapid growth of both renewable technologies and economic benefits. Among various renewable generation sources, photovoltaic (PV) and wind energy have grown faster than others. Normally most installations use the same type of renewables integrated into a collector bus. In this thesis a system with different renewables, PVs and Type 3 WTGs integrated into the same collector bus is proposed for the greater usage of the renewable energy sources, especially in a resource rich area. A PV model using an averaged voltage source converter representation is designed and implemented, and the real power characteristic of the PV site with daily insolation and temperature variation in steady-state is investigated with the simulation in RTDS/RSCAD and data post-processed in MATLAB. A Type 3 WTG using averaged voltage source converters is also modelled for the integrated system. An overcurrent protection scheme using symmetrical components is applied on the collector feeder of the integrated PVs and Type 3 WTGs system, and the good performance is shown with the simulation results of the system response to unbalanced and balanced faults. The protection scheme is also verified with the fault responses when different wind speeds are among WTGs, and the same protection performance is achieved.

Description:
masters, M.S., Electrical and Computer Engineering -- University of Idaho - College of Graduate Studies, 2019-12
Major Professor:
Johnson, Brain
Committee:
Frenzel, Karen ; Lei, Hangtian
Defense Date:
2019-12
Identifier:
CHEN_idaho_0089N_11706
Type:
Text
Format Original:
PDF
Format:
application/pdf

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