Hydroelectric generators/
Turbine generators/
High voltage motors
Insulating materials for stators in hydroelectric generators, turbine generators, high voltage motors
| Application | Material | KREMPEL Type |
| Roebel bar fill material | Electrically conducting mastic | ERKITT |
| Vertical separator | Multi-layer prepreg | TRIPREG-STABIL |
| Drive strip,
top packing |
Cuts from fibre-reinforced
plastic sheets |
PREGNIT |
| Slot closing wedge | Pultruded plastic profiles | WACOSIT® |
| Slot closing | Fibre-reinforced spring material | Top ripple springs |
| Corona protection | Flexible electrically conducting
materials |
Conductive non-woven
ELR / EFR and EWR, conductive fabric EGR/GGR |
| Stress grading | Semi-conducting fabric prepreg | AKASIC |
| Slot side filling | Fibre-reinforced spring material,
electrically conductive |
Side ripple springs |
| Fibre-reinforced plastic sheets,
electrically conductive |
PREGNIT GGBE-R | |
| Separator | Pultruded plastic profiles with
electrically conducting surfaces |
WACOSIT®-R |
| Insulating caps | Pultruded rectangular profiles | WACOSIT® |
Insulating materials for rotors in hydroelectric generators, turbine generators, high voltage motors
| Anwendung | Material | KREMPEL-Typ |
| Slot insulation | Glass fibre fabric prepreg | PREPREG GGBE |
| Inter-turn
insulation |
Single-layer glass hard fabric
with adhesive layer |
VERDUR |
| Aramide paper prepreg | PREPREG NPBE | |
| Separator | Pultruded plastic profiles | WACOSIT® |
HV-coil
HV-coil in the slot
Roebel bar
Roebel bar in the slot
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