Electric Power Systems

EGR 325, Fall 2014

Professor: Judith Cardell
Office: 352 Ford Hall
Office hours: TBD

Class Time: MWF 10:00 - 10:50 FH 143
Prerequisites: EGR 220, Circuit Theory, or permission of instructor
Readings: Posted in table below and on Moodle. An optional, and possibly useful text is: Electric Power Systems: A Conceptual Introduction, Alexandra von Meier, Wiley Survival Guides

 


 

EGR 325 Class and Assignment Schedule, Fall 2014

Week Topic Reading HW due WEDNESDAY
(by 4pm to 352 FH)
 Sept 5 • Course Overview
• ABET Outcomes Discussion - the Book of Evidence
* Course Concept Map *
 
Reading Strategy Ideas
 Sept 8  Electricity Uses, Benefits and Drawbacks
• Rural Electrification Discussion
• Knowledge Forum for Power Systems CO2 regulation discussion
• Energy Policy Discussion - The why and what of government intervention
• Meet the Mobile Wind Turbine
 
RE Questions slides
Monday:
Rural Electrification (see Reading Strategy Ideas, above)
 
Wednesday:
Knowledge Building: Note green underlines in these readings
 
Friday:
Energy Policy
HW1: Bring questions and comments for discussion each day;
º Hand in neatly typed (non yes/no) question(s) or brief comment(s) each day

º Begin using KF
 

 Sept 15 The Transmission System & Power Flow Analysis
• AC circuit review: Z, S = P + jQ
• Power Flow - The physical and mathematical problem
• Modeling a power system with Power World
 
Power Flow
Power Flow Models
º How Stuff Works: How Power Grids Work
 
º Review EGR 220 chapters 7, 9, 10, 11, 13 as needed
º Power System Analysis, Bergen & Vittal, Chapter 10, pp 323-329
º Power System Analysis, Grainger & Stevenson, Chapter 9, pp 329-339
º OLD PowerWorld User's Guide
º PowerWorld Education Version, Windows machines ONLY
º Power System Analysis & Design, Glover & Sarma, examples 1.1 - 1.3
º HW 2 - Start power flow problems, due next week
º Wind Cart Lab: Hand in your plan for using wind turbine cart - DUE Wed.
º Wind Cart overview
 Sept 22 Generator Efficiency & System Operations
• Recap power flow process; KB discussion
• Generating plant costs, efficiency, heat rate
• Constrained optimization and the Lagrangian
 
PowerFlow Self-Quiz
Gen Costs & Constrained Optimization
Economic Dispatch
Economic dispatch (this week and next)
º Power Generation, Operation & Control, Wood & Wollenberg, pp 29-34
º Power System Analysis & Design, Glover & Sarma, pp 525-536
º Linear Programming Tutorial, Chapters 1 & 2 as needed
º deNeufville and Vanderbei as needed
HW 2: Power flow
º HW2 PwrWorld Files
º PowerWorld examples (from 2010)
º HW 2 Solution
 Sep 29 Day-ahead & Hour-ahead Planning
• Economic dispatch, ED
• Optimal power flow, OPF
 
ED3
OPF Slides
KB Principles
continue with previous week's readings
and Wind Cart Manuals on Moodle
º Wind Cart Lab: Interim lab memo for experiments with anemometers
 Oct 6
Load Modeling, DSM;
Smart Grid Technologies

• Electrical load modeling: the Load Duration Curve (LDC)
• Smart Grids and Smart Technologies

Load Modeling

Load Modeling
º Power Generation, Operation & Control, Wood & Wollenberg, pp 270-272
º The Electric Power Engineering Handbook, ed. Grigsby, pp 7-12 - 7-16
º Load Forecasting, IAEA Expansion Planning (Full, huge, report available here)
 
Energy Efficiency
º California Illuminates the World, NRDC
º Home Efficiency & Solar, Westinghouse Solar, 2010
º Energy Efficiency & Dynamic Pricing, LBNL 2010
 
º (Continue) Finding your own smart grid readings
HW 3: Economic dispatch
HW 3 Solution
 Oct 13 System Integration of Renewables, Distributed Generation; HOMER
 
Integrating RETs
Generating Power (and wind cart)
Integrating Renewables
º NY Wind Policy
º Capacity Credit Calcs, IEEE
º Capacity Credit Methods, NREL
º Capacity Value, Electricty Jrnl
º Wind Power in New England
º Integrating RETs, Am Phys. Soc., 2010
 
HOMER model
º HOMER Energy home page
º HOMER getting started guide (large .pdf file)
º HOMER Intro
º HOMER Slides (few useful)
º HOMER Algorithms article
º HOMER user articles
 
Wind and Solar Resource Data
º Hourly Solar Data
º NREL EWITS Wind Data
º Hourly Wind Data (.asc files open in Excel)
 
for reference
º Hydroelectric Power, Wikipedia
º Wind Power, Wikipedia
º Interstate RETs
º Solar Radiation Basics 1 (Introduction and Background links)
º Solar Radiation Basics 2
º Small Wind Guide
HW 4: OPF and Load Modeling
HW4
ISOne_loadHrly.m
NYISO_loadHr.m
º Wind Cart Lab: Memo with initial work on final experiment(s)
 Oct 20
Midterm Exam - Wednesday

º System Planning - Monday
º KB Group discussions - what ideas has the group improved? What knowledge has been built? (Friday)
 
Screening Curves

Continue with Renewables readings and HOMER user's guide and posted reports as needed
º Reliability, ORNL
º Production Cost & Screening Curves, IAEA Expansion Planning
º Power System Planning, NREL
HW 5: RET integration
NREL EWITS Site 3069 wind data
HW 5b: KB Self-assessment
 Oct 27 Long Term Power System Planning:
Screening curves, Technology mix, Expansion planning
Hydroelectric modeling
 
º Hydro Modeling
º Reliability
º Wind Capacity Value
º FOR data (may be useful, not necessarily valid data)
º Wind ECLL and CC

System Planning Examples
º Beginner Planning Example
º Power System Planning in S.A.
º Power System Planning, Ch 1

º Wind Cart Lab: Final Lab Report due on Friday
 Nov 3 Electric Machines
• 3φ Power
• Induction motors
• Synchronous generators
 
3 phase power
Induction Motors
Synchronous Gens
º Electric Energy: An Introduction, Chapter 12, pp 309-331, 339-358
º Induction Motor link, Wikipedia
º Induction Motor, Rockwell (.pdf)
º Synchronous Generator, Wiley (.pdf)
º Synchronous Machine, Colorado.edu (.pdf)
º Amatrol lab equipment information: General equipment setup, Induction Motor Lab (to hand in), Prony brake, Strobe → On Moodle
HW 6 : HOMER modeling
º CO2 calc (p 2)
º EIA Gen Costs
º Gen Costs (partly processed)
º FOR data
 Nov 10 º Guest speaker on Cogeneration
º Tour of the Smith Cogeneration facility
º In class time to use motors lab equipment
Continue with Amatrol motor lab manuals and lab handout HW 7: Motors and Generators
HW 7 Solutions
 Nov 17 System Stability and Control
• Ancillary services: Reserves, Ramping
• DG, RETs and stability issues
• Governors and AGC
 
º Ancillary Services
º Stability 1
º Stability 2
Ancillary Services (A/S)
(long reports, read sections defining A/S and others of interest)
º A/S Definitions, Kirby
º A/S and Demand Response, NYISO
º Fast Demand Response for A/S, Xerox Parc
HW 8: Motor Lab write-up due
 Nov 24 Time for KB discussions
 
Thanksgiving Break

 
  No Homework This Week
 Dec 1 Smart Grids, Distributed Generation, MicroGrids
• Smart Grids - High Voltage System Definition; Issues
• Smart Grids, Microgrids and DG - Low Voltage
 
º EPRI demos links
º NOVA Video
º Distribution Voltage slides
º Solution to In-class problem
º Discussion slides
º Distributed Utility Overview - quick & easy ppt slides
º MicroGrid Overview - short brochure
º MicroGrid IEEE Concept Paper - the original concept paper

Knowledge Building time

Equal emphasis on final score to:

  • Framing your great Knowledge Building question
  • Demonstrating concisely and elegantly your journey: the discourse, your idea improvement, your collective creation of knowledge
  • Any final artifact you all create that demonstrates your knowledge building quest, progress and current status in this quest
 Dec 8 Safety with Electric Power
Safety slides
Electric Energy: An Introduction, Chapter 9, Safety, pp 218-233 HW 9 Final KB work, demonstrating to me your building of knowledge
 
Take Home FINAL EXAM
   

 


 

Course Overview and Topics

This course introduces students to the field of electric power, including generating technologies (renewable, hydro, nuclear and fossil), electricity transmission and distribution, and more recent developments in smart grids and demand response. Topics include modeling, analysis and simulation of power systems, small design projects, discussions of emerging technologies, with an awareness of policy, environmental and societal aspects of energy use. Work with knowledge building allows students to explore questions around power systems and energy use in greater depth.

The objective of this course is to introduce students to electric power systems, and to the broader issues of energy policy and complex systems analysis. Through the material presented in this course, students will learn:

  1. The fundamental principles of producing and transmitting electric power,
  2. To analyze complex engineering systems, and to gain familiarity with incorporating technical, policy and societal elements in the analysis framework,
  3. How to simulate electric power systems, in order to understand their behavior and also to make design decisions about the types of generating technologies to use and when to expand the power system to meet demand.
  4. Introduction to optimization: The inherent tradeoffs between the often conflicting objectives of power system design and operation, including cost, reliability, and environmental impacts,
  5. The far reaching effects of electric power and energy conversion on human society,
  6. To evaluate her personal learning process and understanding of the concepts and skills from class.

ABET Outcomes for EGR 325
For students' Books of Evidence, the following ABET outcomes can be achieved by every student taking EGR 325. Note that this is a shared responsibility between the course professor and each student. If you do not understand how or when these outcomes are being addressed through the course material, be sure to come to office hours (while there are still many weeks remaining in the semester). If populating your BoEs is left until the end of the semester, it could be too late to achieve all you had planned.

Course Concept Map
The concept map will be used throughout the semester to bring together the course topics, and modeling and analysis techniques.

Assignments
The syllabus lists the reading for each class period. Students are expected to do the reading before coming to class, in order to be fully prepared to solidify the material in the class period. Note that this does not mean every word of every reading needs to be carefully read. Each student needs to read about and ponder enough of the issues to be able to contribute to class discussion and the class learning.

Assginments also include participation in Knowledge Building (via Knowledge Forum, online) which allows for out-of-class discussion and learning to occur in a continuous and self-guided manner. Use and assessment of KF will evolve over the course of the semester.

There will be almost-weekly homework assignments, collective knowledge building work, one midterm exam and a final take home exam.

Written homework format
All mathematical homework solutions must be written on standard engineering paper in the standard Picker Engineering homework format. Short essay questions should be typed and printed out. Homework from computer simulation tools should be typed, with graphs from the computer models pasted into a Word (or similar) document, and clearly explained. Students are encouraged to work together to understand the concepts, but each student must hand in her own solutions. All assignments are to be neatly written or typed, and stapled, with your name and date. Note that students are expected to follow the Honor Code for all work in this course. Copying on homework or quizzes/exams, and other violations will be brought to the honor board.

The purpose of the homework is for you to have the opportunity to practice - practice - practice the skills and concepts from class, and to think about the policy and societal questions beyond class discussions. Since homework is the time to practice, you are not expected to have perfects solutions at all times. You are expected to do your best work for each problem however. In recognition of these goals, each homework problem, as well as participation in Knowledge Forum, will be evaluated with the following 10 point scale as a guide:

A complete attempt includes identifying what is known, articulating what you are solving, stating any assumptions, properly labeling figures, including units and a reasonable number of significant figures in your answer, and clearly and neatly documenting your progression towards a final result. Homework solutions often will be compiled from the solutions submitted by the class, so it is very important that your solutions can be clearly understood by all!

Essays and discussion questions will be graded as ✓, ✓- or ✓+

Class attendance
Students are required to attend class and participate in class discussions and problem solving exercises. This means that you must be in class and come prepared to participate in the discussions to receive full credit for this portion of the course.

Grading
Grades in this course are designed to represent your achievement of the objectives and student ABET outcomes. The course components that will make up your grade are listed below.

ASSIGNMENT
GRADE CONTRIBUTION
Homework (separate from KF)
25%
Class participation
15%
Knowledge Building work
20%
Midterm exam
20%
Final exam
20%

Late Policy
All homework assignments are to be submitted at the time specified; late assignments will be penalized at the rate of one point per minute unless you have requested and received and extension at least 24 hours before the deadline. However, each student will have a total of 1 hour (60 minutes) grace time to be used as desired by that student over the course of the semester, such that you can have a semester total of 60 tardy minutes for homework and labs without penalty (note that these minutes cannot be used for in-class reading questions, quizzes or exams).

Knowledge Forum participation must be on an on-going basis, so that all class participants have plenty of time to see, read and respond to your notes, thoughts and responses. Notes need to be posted well in advance of class time to allow everyone to read and process all the notes. This means, with class starting at 10am, initial postings should be made by dinnner time (6pm) the evening before class so that everyone will have the opportunity to read and respond to each others' notes, and gather thoughts for class.

Honor Code
The homework assignments that you submit must be your own work. You are encouraged to discuss the problems and essay questions with your classmates and work on them together, but each student must work out her own answers. It is not okay to copy answers from another student's homework - doing so is a violation of the Honor Code. Note that it is a violation of the honor code to 1) use or copy another student's work, and 2) provide another student with your work. Projects will be done in small groups. Exams must be exclusively each student's own work, following the instructions provided with each exam. Do not hesitate to ask any questions that you may have concerning the honor code!