Transformer
high
2 models total
Step-up/step-down transformers for voltage conversion on board.
30 yr
Typical Lifetime
Typical Manufacturers
ABB
Siemens
SGB
2 manufacturers · 2 models
ABB Marine (Finland/Switzerland)
1
Marine Dry-Type Transformer
50-5,000 kVA
· Electrical Power Transformation
Voltage: 440V-11kV
Type
Dry-Type Transformer (Marine)
Size Range
- 50kVA
- 200kVA
- 500kVA
- 1000kVA
- 5000kVA
Drive Type
N/A (passive)
Construction
Cast resin or VPI (Vacuum Pressure Impregnated), marine-certified
Common Failures & Inspection Points
- Winding insulation degradation from age/moisture/heat
- Core lamination vibration noise
- Terminal connection loosening from vibration
- Cooling fan failure (forced-air models)
- Partial discharge in HV windings
Service: Insulation resistance test annually. Winding temperature monitoring continuous. Core bolt torque check at 5-year survey. Fan replacement every 5-10 years.
Spare Parts: ABB Marine. Lead time: 4-8 weeks for standard sizes. Custom sizes: 8-16 weeks.
Siemens (Germany)
1
GEAFOL Marine Transformer
50-3,000 kVA
· Electrical Power Transformation
Voltage: 400V-11kV
Type
Cast Resin Dry-Type Transformer
Size Range
- GEAFOL 50kVA
- GEAFOL 200kVA
- GEAFOL 1000kVA
- GEAFOL 3000kVA
Construction
Cast resin insulation, marine-vibration-tested
Common Failures & Inspection Points
- Cast resin cracking from thermal cycling/vibration
- Winding insulation aging
- Fan failure
- Terminal loosening
Service: Standard transformer maintenance. Insulation test annually.
Spare Parts: Siemens Transformers. Lead time: 4-8 weeks.