Browsing PhD Dissertations - DO NOT EDIT by Author "Lee, Wei-Jen"
Now showing items 1-20 of 32
-
AC ARC FLASH LIGHT INTENSITY ESTIMATOR AND MHD BASED DC ARC MODEL
Rau, Shiuan-Hau (2016-08-10)Since the light emitted by arc flash is significantly brighter than the normal lighting background, the light sensors have been applied to the arc flash detection. Currently, the optically based arc flash relaying has been ... -
APPLICATION OF THE RESEARCH PROCESS FOR THE DEVELOPMENT OF A MICROGRID MODULAR DESIGN FOR TRIBAL HEALTHCARE FACILITIES IN THE NAVAJO NATION: KAYENTA HEALTH CENTER USED AS A SUBJECT STUDY FOR EXPERIMENTAL DATA
Vega-Cotto, Samuel; 0000-0002-6377-4885 (2018-05-09)There exist significant challenges and opportunities for improvement the power system of healthcare facilities for American Indian and Alaska natives. This Dissertation establishes plans and methodology to include the ... -
AUTOMATIC SYSTEM RESTORATION FOR INDUSTRIAL POWER SYSTEMS
Papasani, Anusha (2021-04-06)The power system industry often operates close to its limits to accommodate the increased demand posing a high risk of blackouts. Power system restoration techniques are utilized post breakout with the focus on load pickup ... -
Distribution Network Contingency Analysis And Contingency Detection With The Consideration Of Load Models
Hu, Qiaohui (Electrical Engineering, 2011-03-03)The electric utility market environment has changed quite radically during recent years due to the process of deregulation. This has changed the asset management towards a capital controlled business where owners are ... -
DYNAMIC EQUIVALENT WIND FARM MODELS FOR PLANNING, OPERATION, AND POST-FAULT ANALYSES
Zhou, Yuhao; 0000-0002-3347-1357 (2021-03-15)With high penetration level of the wind power energy in the power grid, it is necessary to develop robust dynamic wind farm models for stability analysis under different scenarios. However, one single wind generator (WG) ... -
Dynamic Stability Analysis Of Large-scale Power Systems Using A Fast Investigation Method
Kuo, Ming-Tse (Electrical Engineering, 2007-08-23)Following power market deregulation and the proposed standard market design, the activities of cross boundary power transactions are increased significantly. Traditional company based stability analysis can not satisfy ... -
Dynamic System Reduction And Fault Location Identification Using Synchrophasors
Nashawati, Eithar (Electrical Engineering, 2012-07-25)The advent of the synchronized phasor measurement units' technology allow for new applications to the power systems and improvement of existing applications. This dissertation presents a new method for synchrophasor-assisted ... -
Dynamic Voltage Restorer For Sensitive Equipment
Kuo, Yea Zong (Electrical Engineering, 2007-08-23)Voltage sags are considered to be the most frequent type of disturbances in the field based on recent power disturbances studies. Their impact on sensitive loads is severe. The impact ranges from load disruptions to ... -
Effects Of Voltage Unbalance And System Armonics On The Performance Of Doubly Fed Induction Wind Generators
Kiani, Morgan Mozhgan (Electrical Engineering, 2009-09-16)Inherent difficulties in management of electric power in the presence of an increasing demand for more energy, non-conventional loads such as digital appliances, and non-sustainable imported fossil fuels has initiated a ... -
Employing Online Data For Dynamic Equivalent Model Parameter Identification Of Large Scale Wind Farm
Cheng, XueyangAs one of the major renewable energy sources, wind power has experienced a fast growth in recent years. The installed capacity of wind farms has increased dramatically. Similar to other generator facilities, their impacts ... -
Energy Storage Devices For Seamless Integration Of Renewable Energy
Liu, Meng (Electrical Engineering, 2014-12)Renewable energy, as a promising resource for supporting continuously growing electricity demand, bears the disadvantages of un-controllable variability and partial unpredictability, which present challenges for large-scale ... -
ENHANCED CUSTOMER DEMAND LOAD PROFILES ESTIMATION ALGORITHMS FOR FIELD APPLICATION
Wang, Xin (2016-07-27)Due to the deregulation of the power system, the electric power industry is undergoing a transformation in terms of its planning and operation strategies. Because of the importance in reducing financial and operational ... -
EXPLORING IOT-BASED APPLICATIONS IN POWER SYSTEMS MONITORING, DEMAND SIDE MANAGEMENT AND PROTECTION
Zhao, Long; 0000-0003-1710-4431 (2020-06-22)The Internet-of-Things (IoT) concept allows objects to share data through wired or wireless connections for communication purposes. Currently, IoT has been involved with the development of smart grids in many applications. ... -
Forecasting Of Wind, PV Generation, And Market Price For The Optimal Operations Of The Regional PEV Charging Stations
Sarikprueck, PiampoomThe transition from the conventional spark ignition engine vehicles to the electric vehicular technologies helps reduce greenhouse gas (GHG) emissions as well as improve the energy efficiency in the transportation sector. ... -
Generation Planning And Market Operation Strategies In The Southwest Power Pool Energy Imbalance Service Market
Methaprayoon, Kittipong (Electrical Engineering, 2007-08-23)The transition of the Southwest Power Pool (SPP) from its traditional operation under tariff towards the new market environment has significant impact on the utilities in the SPP footprint, both in terms of planning and ... -
A Hybrid Method For Identifying And Estimating Key Dynamic Parameters For Exciters, Pss And Governors Based On Event-recorded Measurements On-line Measurements
Cheng, Yunzhi (Electrical Engineering, 2010-03-03)Following the power market deregulation, power systems have become more complex and are found to be consistently operating closer to their stability limits. Power system dynamic modeling and studies which provide significant ... -
Integrated High Speed Intelligent Utility Tie Unit For Disbursed/renewable Generation Facilities
Wongsaichua, Worakarn (Electrical Engineering, 2007-08-23)After experiencing the price hikes and rotating blackouts in California, the disbursed or distributed generation (DG) is considered as one of the most attractive alternatives for future utility industry. In addition to the ... -
Multi-area Unit Commitment And Economic Dispatch With Market Operation Components
Yingvivatanapong, Chitra (Electrical Engineering, 2007-08-23)Unit commitment and economic dispatch, when combined together, is a useful tool to find the most economical generation schedule with which demand and spinning reserve requirement are supplied and all generating unit ... -
Novel Algorithms for Medium/Low-voltage Arcing Faults in Switchgear & Motor Coils: From Concept to Realization
Sahni, Mandhir Singh (Electrical Engineering, 2008-09-17)Switchgear arcing faults have been a primary cause for concern for the manufacturing industry and safety personnel alike. The deregulation of the power industry being in full swing and ever-growing competitiveness in the ... -
A Novel Method For Major Harmonic Sources Identification In High Voltage Transmission Systems
Liang, Shun (Electrical Engineering, 2010-03-03)Due to the proliferation of high-voltage power electronics devices and nonlinear loads connected to power systems, the penetration of produced harmonics into power transmission networks to pollute power quality of power ...