SUBSTATION CONSTRUCTION AND ERECTION

We can provide a complete solution for the installation or replacement of power transformers and high voltage installations.

• New Construction
• Upgrades
• Component Procurement
• Decommissioning and Disposal

SUBSTATION REPAIR AND MAINTENANCE

Throughout the lifecycle of substation assets, we perform planned and unplanned maintenance services including: 

• Regasketing
• LTC Maintenance
• Switch Alignments
• Welding
• Painting
• Procrement and Replacement

• Transformer oil draining and refilling

• Internal transformer inspections and repairs

• High voltage bushing and low voltage bushing removal, refurbishment and reinstallation

• Transformer turns ratio testing to verify primary and secondary windings and connections

• Transformer core insulation testing to verify core condition and losses

• Insulation power factor testing to measure transformer losses

• Transformer dew point testing to verify windings and core are sufficiently dry

• Load tap changer overhaul and testing

• Doble testing to assess transformer health

• Test operation and controls of oil pumps

• Test operation and controls of cooling fans

• Transformer inrush current testing to verify winding and core condition

• Transformer winding resistance testing and ‘megger’ testing to verify winding integrity

• Grounding resistor inspection and testing to verify

• Gas operated protection relay inspection and testing

• Oil temperature gauge calibration

• Transformer temperature sensor testing

• Oil level and flow alarm testing

• Transformer oil purification and analysis equipment

• Oil cooler replacement

INSPECTIONS

• Visual Inspections
• Transformer Condition Assessment
• Infrared / Thermal Scanning