Transformer Tutorial
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
- Date: 10 November 2016
- Time: 08:00 AM to 05:00 PM
- All times are EST
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- 36 Old Portland Rd
- Brunswick, Maine
- United States 04011
- Building: Fairfield Inn & Suites Brunswick Freeport
- Click here for Map
- Registration closed
Speakers
Ronnie Minhaz, P.Eng. of Transformer Consulting Services Inc.
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.
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