ECE524: Transients in Power Systems

Lecture 1

• Welcome to ECE 524: Summer 2013
• Summer 2013 Recommended Due Dates
• Lecture 1 handwritten notes
• Summer 2013 Course Syllabus
• Homework 0: Background/objectives
• Introduction to Transients and Solution Tools

Lecture 2

• Lecture 2 handwritten notes
• Setting up off campus access to UI library Once you have this set up, you need to go to library web site and access a paper or document through that site. Then you can select links from the course web page.

Lecture 3

• Lecture 3 handwritten notes
• Getting started with ATPDraw/ATP
• Getting started with PSCAD/EMTDC

Lecture 4

• Lecture 4 handwritten notes

Lecture 5

• Lecture 5 handwritten notes

Lecture 6

• Lecture 6 Handwritten Notes
• MathCAD example (PDF format)
• MathCAD example (Mathcad format)
• ATPDraw and PSCAD files from example (combined in a zip file)

Lecture 7

• Lecture 7 Handwritten Notes
• MathCAD ac circuit RL transient response example (PDF format)
• MathCAD ac circuit RL transient response example (Mathcad format)
• ATPDraw and PSCAD files from example (combined in a zip file)

Lecture 8

• Lecture 8 Handwritten Notes
• Hw 1 due date changed to session 11 (about May 31)

Lecture 9

• Lecture 9 handwritten notes

Lecture 10

• Lecture 10 handwritten notes

Lecture 11

• Lecture 11 handwritten notes
• Series RLC Response Examples (pdf)
• Series RLC Response Examples (Mathcad)
• ATPDraw and PSCAD/EMTDC files from example cases (Zip file)

Lecture 12

• Lecture 12 handwritten notes

Lecture 13

• Lecture 13 handwritten notes

Lecture 14

• Lecture 14 handwritten notes
• Correction to example 6.1 in book (PDF)
• Correction to example 6.1 in book (Mathcad)
• Back to back capacitor switching example (PDF)
• Back to back capacitor switching example (Mathcad)
• ATPDraw and PSCAD/EMTDC files for back to back capacitor switching example (zip)

Lecture 15

• Lecture 15 handwritten notes

Reference Material

• Link to IEEE Xplore for IEEE Standard 1036-2010, "IEEE Guide for Application of Shunt Power Capacitors" sections 6 and 7 Note, you either need an IEEE/PES Digital Library subscription or else use the UI subscription (either connect from a UI IP-address or set up remote access through the UI Library)


• Link to IEEE Xplore for IEEE Standard C37.06-2009, "IEEE Standard for High-Voltage Circuit Breakers Rated on a Symmetrical Current Basis " Tables 4, 8 and 14 and related text Note, you either need an IEEE/PES Digital Library subscription or else use the UI subscription (either connect from a UI IP-address or set up remote access through the UI Library)

Lecture 16

• Lecture 16 handwritten notes
• Derivation for undamped TRV equation (PDF)
• Derivation for undamped TRV equation (Mathcad)
• Homework 2 clarification (PDF) You don't need to redo the assignment if you have done it differently but please note your assumptions in your solution

Reference Material

• The following references on parameter determination follow from a question asked during class in lecture 16


• Link to IEEE Xplore for: J.A. Martinez, J. Mahseredjian, and. R.A. Walling, "Parameter Determination: Procedures for Modeling System Transients," IEEE Power and Energy Magazine, Vol 3, no. 5, Sept/Oct 2005, pp 16-28. Note, you either need an IEEE/PES Digital Library subscription or else use the UI subscription (either connect from a UI IP-address or set up remote access through the UI Library)


• There are also 6 related papers that were published in the July 2005 issue of the IEEE Transactions on Power Delivery Several of the paper cover topics we will get to later in the course and a few pertain to topics for other courses. The papers go from page 2038 - 2094. Topics are:
  1. Parameter determination for overhead lines
  2. Parameter determination for insulated cable
  3. Parameter determination for transformers
  4. Parameter determination for rotating machines
  5. Parameter determination for surge arresters
  6. Parameter determination for circuit breakers
  7. Parameter determination for power semiconductor device models

Lecture 17

• Lecture 17 handwritten notes
• TRV example (PDF)
• TRV example (Mathcad)
• ATPDraw and PSCAD/EMTDC files for TRV example (zip)

Reference Material

• Link to IEEE Xplore for: IEEE Standard C37.011-2011 "IEEE Guide for the Application of Transient Recovery Voltage for AC High-Voltage Circuit Breakers," Note, you either need an IEEE/PES Digital Library subscription or else use the UI subscription (either connect from a UI IP-address or set up

Lecture 18

• Lecture 18 handwritten notes
• TRV and neutral grounding example (PDF)
• TRV and neutral grounding example (Mathcad)
• TRV and neutral grounding example updated with correction and PSCAD/EMTDC results (PDF)
• TRV and neutral grounding example updated with correction and PSCAD/EMTDC results (Mathcad)
• ATPDraw and PSCAD/EMTDC files for TRV example (zip)

Lecture 19

• Lecture 19 handwritten notes
• Importing text data files into Mathcad (PDF)
• Example importing transient simulation results into Mathcad (PDF)
• Example importing transient simulation results into Mathcad (Mathcad)
• Example denergization of an ungrounded three phase reactor (PDF)
• Example denergization of an ungrounded three phase reactor (Mathcad-large file)
• ATPDraw and PSCAD/EMTDC files for three phase reactor denergization (zip-large file)

Lecture 20

• Lecture 20 handwritten notes
• Current chopping example (PDF)
• Current chopping example (Mathcad)
• ATPDraw and PSCAD/EMTDC files for current chopping example (zip)
• Transmission line modeling overview (PDF)
• ATPDraw and PSCAD/EMTDC line modeling (PDF)

Reference Material

• Link to IEEE Xplore for: M. Popov and E. Acha "Overvoltages Due to Switching Off an Unloaded Transformer with a Vacuum Circuit Breaker," IEEE Transactions on Power Delivery, Vol 14, no. 4, October 1999, pp 1317-1326. Note, you either need an IEEE/PES Digital Library subscription or else use the UI subscription (either connect from a UI IP-address or set up remote access through the UI Library)
• Reference to paper: R.B. Lastra and M. Barbieri, "Fast Transients in the Operation of an Induction Motor with Vacuum Switches" from 2001 International Conference on Power Systems Transients.

Lecture 21

• Lecture 21 handwritten notes

Lecture 22

• Lecture 22 handwritten notes

Lecture 23

• Lecture 23 handwritten notes
• Single phase line energization examples (PDF)
• Single phase line energization examples (Mathcad)
• Single phase line energization examples with typos in times on page 14 fixed (PDF)
• Single phase line energization examples with typos on page 14 fixed (Mathcad)
• Single phase line energization example files for ATP and EMTDC (zip)
• Distributed parameter modeling theory for three phase lines (PDF)

Lecture 24

• Lecture 24 handwritten notes
• Single phase line energization examples with travelling wave models and then example calculating modal parameters (PDF)
• Single phase line energization examples with travelling wave models and then example calculating modal parameters (Mathcad)
• Single phase line energization example files with travelling wave mdoels for ATP and EMTDC (zip)

Lecture 25

• Lecture 25 handwritten notes

Lecture 26

• Lecture 26 handwritten notes
• Examples using 3 phase line models (PDF)
• Examples using 3 phase line models (Mathcad)
• Reclosing and preinsertion resistors (PDF)
• Example files for ATP and EMTDC (zip)

Lecture 27

• Lecture 27 handwritten notes
• Examples calculating overhead line parameters (PDF)
• Examples calculating overhead line parameters (Mathcad)
• Line constants routines in ATPDraw and PSCAD/EMTDC

Lecture 28

• Lecture 28 handwritten notes
• Line constants routine example files for ATP and EMTDC

Lecture 29

• Lecture 29 handwritten notes
• Overview of frequency dependent line modeling (PDF)
• ATPDraw interface for frequency dependent line modeling (PDF)

Lecture 30

• Lecture 30 handwritten notes
• Frequency dependent line modeling example results (PDF)
• ATPDraw and PSCAD/EMTDC dependent line modeling example files (zip)

Lecture 31

• Lecture 31 handwritten notes
• Getting line model data from ATP and PSCAD/EMTDC line constants output for post processing (PDF)
• Getting line model data from ATP and PSCAD/EMTDC line constants output for post processing (Mathcad)

Lecture 32

• Lecture 32 handwritten notes
• Trapezoidal rule model for inductor and capacitor (PDF)
• Trapezoidal rule model for inductor and capacitor (Mathcad)
• Causes of numerical oscillations and possible mitigations (PDF)
• Numerical oscillation damping resistor examples (PDF)

Lecture 33

• Lecture 33 handwritten notes

Reference Material

• EMTP Theory Book

Lecture 34

• Lecture 34 handwritten notes

Lecture 35

• Lecture 35 handwritten notes
• Transformer Modeling Overview

Lecture 36

• Lecture 36 handwritten notes
• Transformer Modeling Examples (PDF)
• Transformer Modeling Examples (Mathcad)
• ATP/EMTDC files for transformer modeling Examples (zip)

• HW 5 posted (PDF), due Session 40 (July 22 Engineering outreach)

Lecture 37

• Lecture 37 handwritten notes

Lecture 38

• Lecture 38 handwritten notes
• Three winding autotransformer (PDF)
• Three winding autotransformer (Mathcad)

Lecture 39

• Lecture 39 handwritten notes

Reference Material

• Link to Metatech Corporation web page, links to animation of 1989 Hydro Quebec Geomagnetically Induced Current Event and other
• IEEEXplore: P.R. Price, Geomagnetically Induced Current Effects on Transformers, IEEE Trans on Power Delivery, Vol. 17, No. 4, October 2002.

Lecture 40

• Lecture 40 handwritten notes
• High Frequency Transformer Example (PDF)
• High Frequency Transformer Example (Mathcad)

Lecture 41

• Lecture 41 handwritten notes
• Lightning examples (PDF)
• Lightning examples (Mathcad)
• Lightning examples PSCAD/EMTDC and ATPDraw files (zip)
• NOTE: Homework 6 is really due with session 45, not session 44

Lecture 42

• Lecture 42 handwritten notes

Lecture 43

• Lecture 43 handwritten notes
• Surge arrester examples
• Insulation coordination

Lecture 44

• Lecture 44 handwritten notes

Lecture 45

• Lecture 45 handwritten notes

Homework 1

• Hw 1 due date changed to session 11 (approx May 31)
• HW 1 (PDF)
• HW 1 (Mathcad)

Homework 2

• HW 2 (PDF), due session 17 (approx June 10)
• HW 2 (Mathcad), due session 17 (approx June 10
• Homework 2 clarification (PDF) You don't need to redo the assignment if you have done it differently but please note your assumptions in your solution

Homework 3

• HW 3 (PDF), due session 24 (approx June 24)
• HW 3 (Mathcad), due session 24 (approx June 24)

Homework 4

• HW 4 (PDF), due Session 29 (approx July 1)
• HW 4 (Mathcad), due Session 29 (approx July 1)

Homework 5

• HW 5 (PDF), due Session 40 (approx July 22)
• HW 5 (Mathcad), due Session 40 (approx July 22)

Homework 6

• HW 6 (PDF), due Session 45 (approx July 30)
• HW 6 (Mathcad), due Session 45 (approx July 30)