Transformer Tutorial

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Session 1 & 2:

Presentation 1: Preparation of Transformer Specification

  • Ratings
  • Single phase vs Three phase
  • Winding Connections
  • Vector Group
  • Insulation Levels
  • Terminals
  • Accessories
  • Types of Cooling
  • Sound Levels
  • Tap Range and location
  • Taps in Auto-Transformer
  • Items to consider for Taps
  • Tap Changer Application
  • Tap Changer Types
  • Impedance
  • Loss Evaluation
  • Over-Excitation
  • Short-Circuit Requirement
  • Short-Circuit Withstand
  • Special requirements
  • Overloads
  • Implications of Overloads
  • Parallel Operation
  • Rating Plate/Name Plate
  • Alternatives
  • Ambiguity in specification
  • Over specifying
  • Data Sheets
  • Tests
  • Tender Review
  • Design Review
  • Transportation
  • Globalization

Session 2&3:

Presentation 2: Fundamentals of Auto Transformer Design

  • Fundamental/co-ratio
  • Advantage/disadvantage  of auto Tx
  • Tap changers
    • Electrical Location
    • Geometrical location
  • Types of taps
    • Operation
    • Function
    • Types of Connection
    • Electrical Connection
  • Standards for Auto Transformer
  • Physical location of only DTC Tap windings
    • Advantage/disadvantage
    • Dielectric challenges
    • Short Circuit challenges
    • Thermal challenges
  • Physical location of only LTC Tap windings
    • Advantage/disadvantage
    • Dielectric challenges
    • Short Circuit challenges
    • Thermal challenges
  • Physical location of both DTC and LTC Tap windings
    • Advantage/disadvantage
    • Dielectric challenges
    • Short Circuit challenges
    • Thermal challenges
  • Impedance variation due to geometric location of tap windings
  • Different type of tap windings (Taped Helix, Multi-start..etc) and their impact in design
  • Non-Linear Devices
  • Series Transformer/Reactor when needed
  • Different type of Tertiary loading and their impacts in auto design
  • Over load for auto
  • Testing of auto
  • Pictures of a 450 MVA 345 kV auto and explanation of mechanical challenges

Session 4:

Presentation #3: Phase Shifting Transformer Fundamentals

  • PST Transformer Fundamentals
    • Symmetrical/Asymmetrical
    • Quadrature/Non-Quadrature
    • Single Core
    • Two-Core
    • Limitations of OLTC
    • Testing
    • Manufacturing Points
    • Recent Developments
  • Phase Shifting Transformers (PST) Applications
    • Power Flow Control in Today's Deregulated Power System Market
    • Parallel Transmission Paths Owned or Operated by Different Entities
    • PSTs Are More Economical and Reliable Than FACTS Devices
    • Unique Designs and Construction
    • PST Cost Tradeoffs


  Date and Time

  Location

  Contact

  Registration


  • 36 Old Portland Rd
  • Brunswick, Maine
  • United States 04011
  • Building: Fairfield Inn & Suites Brunswick Freeport
  • Click here for Map

Staticmap?size=250x200&sensor=false&zoom=14&markers=43.912445%2c 70
  • Registration closed


  Speakers

Ronnie Minhaz, P.Eng. of Transformer Consulting Services Inc.

Topic:

Transformer Tutorial

Biography:

Ronnie holds B.Sc. degree in Electrical Engineering from University of Manitoba, Canada. Before founding his own company “Transformer Consulting Services Inc(www.tc-servicesinc.com)”, Ronnie worked as Transformer Designer at Pauwels Canada(Manufacturer), as Equipment Engineer at SNC Lava Lin(EPCM) and Enmax Power(Utility), as Substation Lead Engineer at McGregor Construction(Substation Construction). Ronnie is a registered professional engineer in the province of Alberta, Canada and an IEEE Senior member. He held various leadership positions at IEEE Section level and a regular member of IEEE PES society. He is a member of several working groups and task forces in the IEEE Transformers Committee.

Email:

Ronnie Minhaz, P.Eng. of Transformer Consulting Services Inc.

Topic:

Transformer Tutorial

Biography:

Email:





Agenda

08:00-09:45 am: Preparation of Transformer Specification

09:45-10:00 am: Coffee Break

10:00-12:00 am:  Preparation of Transformer Specification/Fundamentals of Auto Transformer Design

12:00-01:00 pm: Lunch break

01:00-2:30 pm: Fundamentals of Auto Transformer Design

02:30-02:45 pm: Coffee Break

02:45-04:30 pm: Phase Shifting Transformer Fundamentals

04:30-05:00 pm: Q&A