High Voltage Winding Best Practice Training
The High Voltage Winding Best Practice training is a high-quality technical course that provides solid knowledge, both practical and theoretical, on best practice operations in High Voltage systems and equipment.
Duration: 2 days
Time: 9 -17 Central European Time (CET)
Fees: £990 GBP EASA Members - £1090 GBP Non-members
Available Online and in Classroom. Private sessions upon request (6 minimum)
The course is divided into 6 sessions:
Session 1: Introduction and HV coil design
Introduction
- What the course contains
- Tools and equipment
- Resources
HV Coil manufacturing
- HV coil insulation design
- VPI insulation system
- Roebel coil design
Coil testing & coil test standard
HV Coil insulation basics
- Requirements for coil insulation
- Introduction to dielectric stress
- Introduction to partial discharge
- Insulation temperature classes
- Introduction to mica
Session 2 Fundamentals
- Basic electrical theory
- How windings work
- Coil connections
- Transpositions
- Bar forces
Session 3 Recording coil & stator data
- Slot measurement & winding detail, left & right, handed coils
- Wedges, transpositions, end-winding blocking etc
- Core inspection & testing
- Control of partial discharge
Session 4: HV Winding Essentials and best practice
HV Coil installation & shaping
- Coil fit tolerances in slot, to bracing rings
- Endwinding blocking & bracing
- Multi-turn coil connection
- Stator half-bar alignment & connection
- Coil & Winding testing
Varnish and epoxies
- Difference between materials
- Purpose of varnish protection
- Types of epoxy for VPI
Session 5 Testing
- Recommended winding tests
- Reasons for performing tests
- Theory behind tests
- Common mistakes
- Interpretation of results
Session 6 Case studies
A look at a few examples of rewinds and highlighting specific features