ECE524: Transients in Power Systems

Lecture 1

• Lecture 1 handwritten notes
• Course Syllabus (PDF)
• Student background and objectives (PDF)
• Handout: Introduction to transient analysis (PDF)

Lecture 2

• Lecture 2 Handwritten Notes

Lecture 3

• Lecture 3 Handwritten Notes

Lecture 4

• Lecture 4 Handwritten Notes
• RC Transient Example (PDF)
• RC Transient Example (Mathcad)
• RC Transient Example (Mathcad Prime)
• Simulation examples discussed in class (zip file with ATPdraw file and PSCAD/EMTDC version 4.2 file)

Lecture 5

• Lecture 5 Handwritten Notes
• Introduction to ATPDraw, short version presented in class. (PDF)
• Introduction to ATPDraw, full version (PDF)
• Introduction to PSCAD/EMTDC (PDF)
• Introductory tutorial videos on EMTP-RV, at EMTP-RV web site
• EMTP-RV example discussed at the end of class (zip)
• Tutorial video for getting startsed with PSCAD/EMTDC (at Manitoba HVDC Centre web site
• PSCAD/EMTDC example from Lecture 4 posted as a PSCAD version 4.6 file (zip)

Lecture 6

• Lecture 6 Handwritten Notes
• Derivation of energy dissipated in series RC transient (PDF)
• Derivation of energy dissipated in series RC transient (Mathcad)
• Derivation of energy dissipated in series RC transient (Mathcad Prime)
• Series RL and LC transient examples (PDF)
• Series RL and LC transient examples (Mathcad)
• Series RL and LC transient examples (Mathcad Prime)
• ATPDraw files for series RL and LC examples (zip)
• PSCAD/EMTDC version 4.2 files for series RL and LC examples (zip)
• PSCAD/EMTDC version 4.6 files for series RL and LC examples (zip)

Lecture 7

• Lecture 7 Handwritten Notes

Lecture 8

• Lecture 8 Handwritten Notes
• EMTP-RV files from Lecture 6 examples (zip)

Lecture 9

• Lecture 9 Handwritten Notes

Lecture 10

• Lecture 10 Handwritten Notes
• Importing ATP, EMTDC and EMTP-RV files to Mathcad (PDF)
• Importing ATP, EMTDC and EMTP-RV files to Mathcad (Mathcad)
• Importing ATP, EMTDC and EMTP-RV files to Mathcad (Mathcad Prime)
• Example comparing Mathcad results with ATP simulation results in Mathcad (PDF)
• Example comparing Mathcad results with ATP simulation results in Mathcad (Mathcad)
• Example comparing Mathcad results with ATP simulation results in Mathcad (Mathcad Prime)
• ATPDraw, PSCAD/EMTDC and EMTP-RV files used in examples (zip)
• ATPDraw, PSCAD/EMTDC and EMTP-RV text outputfiles used in examples (zip)

Lecture 11

• Lecture 11 Handwritten Notes
• More detailed derivation of capacitor voltage from Lecture 6 (PDF)
• More detailed derivation of capacitor voltage from Lecture 6 (Mathcad)
• More detailed derivation of capacitor voltage from Lecture 6 (Mathcad Prime)
• Capacitor Switching RLC example (PDF)
• Capacitor Switching RLC example (Mathcad)
• Capacitor Switching RLC example (Mathcad Prime)
• ATPDraw, PSCAD/EMTDC and EMTP-RV files used in RLC examples (zip)

Lecture 12

• Lecture 12 Handwritten Notes

Lecture 13

• Lecture 13 Handwritten Notes
• Examples 6-1 and 6-4 (PDF)
• Examples 6-1 and 6-4 (Mathcad)
• Examples 6-1 and 6-4 (Mathcad Prime)
• Derivation of series RLC response (PDF)
• Derivation of series RLC response (Mathcad)
• Derivation of series RLC response (Mathcad Prime)
• Example from Lecture 11 with trapped charge, and correction of Vc calculation (PDF)
• Example from Lecture 11 with trapped charge, and correction of Vc calculation (Mathcad)
• Example from Lecture 11 with trapped charge, and correction of Vc calculation (Mathcad Prime)
• ATPDraw, PSCAD-EMTDC and EMTP-RC files used in RLC examples (zip)

Lecture 14

• Lecture 14 Handwritten Notes
• ATPdraw, EMTDC and EMTP-RV examples for simulating only the transient response
• LCLC transients for back to back switching to be discussed in Lecture 15 (PDF)
• LCLC transients for back to back switching to be discussed in Lecture 15 (Mathcad)
• LCLC transients for back to back switching to be discussed in Lecture 15 (Mathcad Prime)
• ATPdraw, EMTDC and EMTP-RV examples for simulating back-to-back switching

Lecture 15

• Lecture 15 Handwritten Notes

Lecture 16

• Lecture 16 Handwritten Notes
• Examples reducing capacitor switching transient (pdf)
• Examples reducing capacitor switching transient (Mathcad)
• Examples reducing capacitor switching transient (Mathcad Prime)
• ATPdraw, EMTDC and EMTP-RV examples for reducing capacitor switching transients

Lecture 17

• Lecture 17 Handwritten Notes
• Derivation of transient recovery voltage with minimal resistance in circuit (PDF)
• Derivation of transient recovery voltage with minimal resistance in circuit (Mathcad)
• Derivation of transient recovery voltage with minimal resistance in circuit (Mathcad Prime)

Lecture 18

• Lecture 18 Handwritten Notes
• TRV examples (PDF)
• TRV examples (Mathcad)
• TRV examples (Mathcad Prime)
• ATPdraw, EMTDC and EMTP-RV TRV examples (zip)

Lecture 19

• Lecture 19 Handwritten Notes
• Numerical models for inductors and capacitors in EMTP-like programs, for Lecture 20 (PDF)
• Numerical models for inductors and capacitors in EMTP-like programs, for Lecture 20 (Mathcad)
• Numerical models for inductors and capacitors in EMTP-like programs, for Lecture 20 (Mathcad Prime)
• Causes and possible fixes for numerical oscillations in EMTP-like programs, for lecture 20 (PDF)

Lecture 20

• Lecture 20 Handwritten Notes

Reference Material

• Link to paper: H. W. Dommel, "Digital Computer Solution of Electromagnetic Transients in Single-and Multiphase Networks," IEEE Transactions on Power Apparatus and Systems. Vol PAS-88, No. 4, 1969, pp. 388-399
• Link to paper: H.W. Dommel and W.S. Meyer, "Computation of Electromagnetic Transients," Proceedings of the IEEE. Vol 62, No. 7, 1974, pp. 983-993.

Lecture 21

• Lecture 21 Handwritten Notes

Lecture 22

• Lecture 22 Handwritten Notes
• Effects of grounding on TRV (for Lecture 23) (PDF)
• Effects of grounding on TRV (for Lecture 23) (Mathcad)
• Effects of grounding on TRV (for Lecture 23) (Mathcad Prime)
• ATPDraw and PSCAD/EMTDC files for thee effects of grounding on TRV (for Lecture 23) (zip)

Lecture 23

• Lecture 23 Handwritten Notes
• Analysis of TRV from opening a 3 phase reactor (PDF)
• Analysis of TRV from opening a 3 phase reactor (Mathcad)
• Analysis of TRV from opening a 3 phase reactor (Mathcad Prime)
• ATPdraw and PSCAD/EMTDC files for example cases Slight update for Mathcad Prime (zip)
• Plot data from ATPDraw and PSCAD/EMTDC for example cases for example cases Slight update for Mathcad Prime (zip)

Lecture 24

• Lecture 24 Handwritten Notes
• Current chopping examples (PDF)
• Current chopping examples (Mathcad)
• Current chopping examples (Mathcad Prime)
• ATPdraw and PSCAD/EMTDC files for current chopping examples (zip)
• Transient modeling of transmission line modeling introduction (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)

• Link to IEEE Xplore for IEEE Standard 1036-2010, "IEEE Guide for Application of Shunt Power Capacitors" See 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 " See Tables 4, 8 and 14 and related text Again, need remote access to UI library.
• 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," Again, need remote access to UI library.

Lecture 25

• Lecture 25 Handwritten Notes

Lecture 26

• Lecture 26 Handwritten Notes
• Single phase transmission line modeling: DC energization examples (PDF)
• Single phase transmission line modeling: DC energization examples (Mathcad)
• Single phase transmission line modeling: DC energization examples (Mathcad Prime)
• ATPDraw and PSCAD files from examples in handout (zip)

Lecture 27

• Lecture 27 Handwritten Notes
• Entering data to line models in ATPDraw and PSCAD/EMTDC (discussed in L28) (PDF)
• Development of multiphase line models (discussed in L28) (PDF)
• Three phase line example cases (discussed in L28 and L29) (PDF)
• Three phase line example cases (discussed in L28 and L29) (Mathcad)
• Three phase line example cases (discussed in L28 and L29) (Mathcad Prime)
• ATPDraw and PSCAD/EMTDC files for the example cases (zip)

Lecture 28

• Lecture 28 Handwritten Notes

Lecture 29

• Lecture 29 Handwritten Notes
• Example for extracting modal parameter from line constants program output (PDF)
• Example for extracting modal parameter from line constants program output (Mathcad)
• Example for extracting modal parameter from line constants program output (Mathcad Prime)

Lecture 30

• Lecture 30 Handwritten Notes

Lecture 31

• Lecture 31 Handwritten Notes

Homework 1

• HW 1 (PDF): Due session 8, January 29
• HW 1 (Mathcad): Due session 8, January 29
• HW 1 (Mathcad Prime): Due session 8, January 29

Homework 2

• HW 2 (PDF): Due session 15, February 14
• HW 2 (Mathcad): Due session 15, February 14
• HW 2 (Mathcad Prime): Due session 15, February 14

Homework 3

• Hw 3, due Session 20 (Feb 28) With small change from class in session 17 (PDF)
• Hw 3, due Session 20 (Feb 28) With small change from class in session 17 (Mathcad)
• Hw 3, due Session 20 (Feb 28) With small change from class in session 17 (Mathcad Prime)

Homework 4

• HW 4 (PDF): Due session 25, March 21
• HW 4 (Mathcad): Due session 25, March 21
• HW 4 (Mathcad Prime): Due session 25, March 21

Homework 5

• HW 5 (PDF): Due session 31, April 2 (complete before starting exam 1)
• HW 5 (Mathcad): Due session 31, April 2 (complete before starting exam 1)
• HW 5 (Mathcad Prime): Due session 31 April 2 (complete before starting exam 1)