Chairman: Prof. Bruce Mork , Michigan Tech Univ Working Group e-mail list: FR-L@mtu.edu

Working Group Objectives

• Charge to the Working Group

Contributors not already involved in Panel Session (see below):

• Dan Durbak, PTI -
• Atef Morched, Labelec - 
• Gene Lindholm, CILCO -
• Noël Janssens, ELIA -
• Donald Shoup, Mitsubishi Electric -

WG Meetings: Agendas & Minutes

• Vancouver - 18 July 2001 : Agenda | Minutes
• New York - 30 January 2002: Agenda | Minutes
• Chicago - 22 July 2002: Agenda | Minutes
• Las Vegas - 28 January 2003: Agenda | Minutes
• Toronto - 15 July 2003: Agenda | Minutes
• Denver - 8 June 2004: Agenda | Minutes
• San Francisco - 14 June 2005: Agenda | Minutes
  
• Montreal - 12 June 2006: Agenda | Minutes
• Tampa - 26 June 2007: Agenda | Minutes
• Pittsburgh - 22 July 2008: Agenda | Minutes
  
• Calgary - 29 July 2009: Agenda | Minutes
  
• Minneapolis - 27 July 2010: Agenda | Minutes
  
• Detroit - 26 July 2011: Agenda | Minutes
  

Ferroresonance Scenarios (Case Studies) and Contributors

• Distribution Systems
• Examples of Ferroresonance-Roger Dugan
• Ferroresonance in Low-Loss Distribution transformers-ReighWalling
• Ferroresonance in a Cable Fed transformer- Francisco DeLa Rosa
• Cost of Mitigation Options- Mort Knodaie
• Subtransmission Systems
•  Open-Delta PT-David Jacobson
• Transmission Systems
• Transformer/grading capacitor-David Jacobson
• Transformer Terminated Double-Circuit Line-DavidJacobson
• Capacitor Voltage Transformer-David Jacobson
  
• Special Cases
  
• Manifestation of Ferroresonance on Customer Side of Meter-??
• Special Cases involving Instrument transformers, industrialApplications-??
• Engineering Forensics, Identifying Ferroresonance, Symptoms, Damage-Atef Morched?

• Cases contributed/available so far:
  
• Gary Kobet (TVA)
  
• Arab FR case
• 13-kV Ungrounded Delta Tertiary
• Gene Lindholm (Ameren)
  
• 8 Different Cases
  
• Todd Sarkinen (Xcel Energy)
  
• 345-kV Bus VTs, Ferroresonance Caused by CB Grading Capacitors
• Michel Rioule (EDF)
• Energization of a 40 MVA 110kV/20kV transformer in a distribution Network
  
• IEEE Documents of interest
• Relaying Committee, Line Protection Subcommittee, WG D5 - Dist Line Protection (see pp.81-82)
  

• TOV Summary-Bruce Mork/David Jacobson (Refer to types described in IEEE TOV task force report, 1990
  Cigre paper 33-210)
• EDF TOV Example-Michel Riouale
• Voltage Magnification (cap bank switching)-??
• Sustained Harmonic Inrush-Bruce Mork
• Shunt reactor resonance-David Jacobson
• Switch Restriking-David Jacobson
• Misinformation in the literature-Bruce Mork
  

Panel Session, 2003 Summer Meeting in Toronto

• Panel Presenters and Topics

• Bruce Mork, Panel Chair, Michigan Technological University - Intro/Overview of Ferroresonance
• David Jacobson, Manitoba Hydro - Useful References &  Examples of Ferroresonance in a High-Voltage Power System | Slides
• Roger Dugan, Electrotek Concepts - Examples of Ferroresonance in Distribution Systems | Slides
  
• B. Tanggawelu, TNB Research, Malaysia - Ferroresonance Studies in Malaysian Utility's Distribution Network
• Reigh Walling, General Electric - Ferroresonance in Low-Loss Distribution Transformers | Slides
• Juan Martinez (w/Bruce Mork), Universitat Politecnica de Barcelona - Transformer Modeling for Simulation of Low-Frequency Transients | Slides

Documents

• Working outline of special publication (revised June 2004)
• Writing Guideline for concise documentation of ferresonance case studies
  
• Cigre WG C4.307 - Resonance and ferroresonance in Power networks and transformer energization studies