Transcript What is Power Quality - Department of Electrical Engineering

ELCT 752-Power Systems Grounding and
Transients
Dr. Hasan Ali
Department of Electrical Engineering,
University of South Carolina, Columbia
Spring Semester 2011
Department of Electrical Engineering
The University of South Carolina
Academic background
and work experience
# Ph.D. degree obtained: March 2004 (Kitami Institute of Technology
[KIT], Hokkaido, Japan)
# M.Sc. Engg. degree obtained: March 2001 (KIT, Japan)
# B.Sc. Engg. degree obtained: January 1995 (Rajshahi University of
Engineering and Technology [RUET], Bangladesh)
Research and teaching experience:
1. Part-time Lecturer (RUET, Bangladesh): March 1995-July 1996
2. Lecturer (RUET, Bangladesh): Aug 1996-Sept 2004
(on leave for M.Sc. Engg. and Ph.D. studies in Japan from Nov 1998March 2004)
3. Assistant Prof. (RUET, Bangladesh): Sept 2004-Nov 2004
4. Postdoc Research Fellow under JSPS (Japan Society for the
Promotion of Science) program (KIT, Japan): Nov 2004-Jan 2007
5. Research Prof. (Changwon National University, South Korea):Feb
2007-Dec 2007
6. Postdoc Research Fellow (Ryerson University, Canada): Jan 2008June 2009
7. Research Assistant Professor (USC): July 2009-Present
Department of Electrical Engineering
The University of South Carolina
Research Interests
•
Electric ship systems modeling and analysis
•
Stability analysis of high speed generators
•
Design, analysis, stability, control, and modeling of advanced power
systems
•
Smart grid and micro-grid systems, wide area measurements and
control
•
Control of flexible AC transmission systems (FACTS) devices
•
Renewable energy systems, especially wind power, photovoltaic power,
and fuel cells systems
•
Energy storage systems (superconductive magnetic energy storage
(SMES), flywheel energy storage, super-capacitor energy storage,
battery energy storage, vehicle-to-grid energy storage, etc.)
•
Application of power electronics to power systems
•
Electric machines and motor drives
Department of Electrical Engineering
The University of South Carolina
Course Information
• Pre-requisite for this class is ELCT 551(Power Systems Design & Analysis)
• Suggested Text: “Electrical Power Systems Quality,” 2nd Edition,
Roger C Dugan, Surya Santoso, Mark F. McGranaghan, H. Wayne
Beaty, ISBN 007138622X.
• Meeting time and locations
Time: Tue-Thu 2:00 pm-3:15 pm
Location: 2A21 Swearingen
• Office hours
Tuesday: 3:30-5:00 PM, Thursday: 3:30-5:00 PM
(or by appointment)
Department of Electrical Engineering
The University of South Carolina
What is Power Quality ?
• Quality of electrical service
# Utility, Equipment supplier/Manufacturer, Consumer
• Power Quality problem:
“Any power problems manifested in voltage, current,
or frequency deviations which results in failure or
misoperation of customer equipment”
Department of Electrical Engineering
The University of South Carolina
Purpose of Course
•
•
•
•
•
Understanding of Power Quality Problems
Power Quality Standard
Real-world Power Quality Problems
Solutions for Power Quality Problems
Skills for Power Systems Simulation Tools
Department of Electrical Engineering
The University of South Carolina
Course Preview
•
•
•
•
•
•
•
•
•
•
•
Introduction
Terms and Definitions
Voltage Sags and Interruptions
Transient Overvoltages
Fundamentals of Harmonics
Applied Harmonics
Long-Duration Voltage Variations
Power Quality Benchmarking
Distributed Generation and Power Quality
Wiring and Grounding, and
Power Quality Monitoring
Department of Electrical Engineering
The University of South Carolina
Project and Software
• Project
• Study of Power Quality
• Simulation and Solutions of Power Quality
• Simulation Software
• ATP/EMTP
• VTB
• PSCAD
• MATLAB/Simulink
Department of Electrical Engineering
The University of South Carolina
Course Information
(Grading Policy)
• Grading:
2 Midterm Tests (2 x 15% each),
Project and homework (30%),
Final test (40%)
• Grading scale:
A = 90-100,
B+ = Upper 80s, B = Lower 80s,
C+ = Upper 70s, C = Lower 70s,
D+ = Upper 60s, D = Lower 60s,
F = less than 60;
However, the instructor reserves the right to adjust the scale if
needed.
Department of Electrical Engineering
The University of South Carolina
Course Information
Some notes:
• Homework assignments must be submitted within due
date.
• The exam format will be announced before each exam, and
you will need a calculator, paper and pencil/pen
• Project assignments will be announced later.
• Please work independently on projects and exams.
Department of Electrical Engineering
The University of South Carolina
Reading Assignment
• Pick up and go through a paper regarding power
quality from IEEE Transactions on Power Delivery.
Department of Electrical Engineering
The University of South Carolina