Many problems faced by oil-filled electrical equipment can simply be avoided due to a maintenance program. At Dalf Eti we offer regular testing of insulating oils, which includes testing of silicone, mineral, and FR3 insulating oils.
We can provide:
- Complete transformer and breaker dress out
- Dissolved gas analysis
- Oil processing
- Oil quality sampling and recommendations
- Used Oil disposal
- transformer oil regeneration
- Bushing replacement
- Hot oil vacuum filling
In our oil diagnostics, we report things such as:
- Degree of polymerization
- Dissolved metal analysis
- Furanic compounds
- Dissolved gas analysis
- Moisture
- Visual and sediment exam
- Interfacial tension
- Acid number
- Color comparison
- Polychlorinated biphenyls
- Power factor
- Corrosive sulfur
- Particle count
- Passivator inhibitor
- Wear debris
- Temperature and viscosity
- Specific gravity
Transformer & Circuit Breaker services:
- Transformer oil regeneration
- PCB dechlorination
- PCB transport - oil and equipment
- Gasket and bush replacement
- Oil sampling and testing
- Vacuum filling/drying of transformers
- Supply/install of filtration/dry out systems
Low voltage circuit breaker services:
- Primary injection, secondary injection
- Trip unit repairs and calibration
- Complete rebuild - powder coating frames - silver coating conductors
High voltage test services:
- Transformer winding resistance/ turns ratio
- Insulating fluid analysis
- Infrared analysis
- Dissolved gas analysis
- Instrument transformer tests
- Circuit breaker timing
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