The High Voltage Winding Best Practice training is a 2 days training that includes 4 sessions.

1. Basic AC machine design theory & constrains
2. HV Coil insulation & control of partial discharge
3. HV Coil manufacturing & testing
4. HV Winding best practices

Session 1: Basic AC machine design theory & constraints

Design constraints - Critical design area

• Active surface area D2L, Amperturns/cm, flux & current densities etc
• Coil pitch factors
• Winding distribution factors
• Induction machine winding connections
• Consequent poles
• Lap & wave winding connections
• Concentric windings
• Star / Delta connections
• Control of stray losses using transpositions

Session 2: HV Coil insulation & control of partial discharge

HV Coil insulation basics

• Requirements for coil insulation
• Introduction to dielectric stress
• Introduction to partial discharge
• Insulation temperature classes
• Introduction to mica
• HV hot press coil design 
• Control of partial discharge

Session 3: HV Coil manufacturing & testing

Visual examples of different coil types 
Examples of typical coil data sheets 
HV Coil manufacturing

• HV coil insulation design
• Production of insulated rectangular conductor
• Coil shaping & insulating; Lap, concentric, half-bar
• Hot pressing for consolidation & slot cell insulation
• VPI insulation system
• Roebel coil design
• Coil testing & coil test standards

Session 4: HV Winding best practice

Recording coil & stator data

• Slot measurement & winding detail, left & right, handed coils
• Wedges, transpositions, endwinding blocking etc
• Core inspection & testing

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

Basic partial discharge analysis 
Examples of failure modes

Course trainer - John Allen
After graduating from UMIST with a BSC in Electrical Engineering & Electronics, John started his working life in 1970 as an electrical design engineer. He is an authority in our industry, and is also representing EASA in IEC Ex committees and working as an independent engineer and Trainer.

Pricing
£900 GBP (EASA Members)
£1000 GBP (Non-members)

Click here to register