A substation fuel oil treatment area houses equipment for filtering, heating, and purifying insulating oil used in power transformers and related equipment.

Components

• •Oil filtration and purification units
• •Heating systems for viscosity control
• •Pumps and transfer equipment
• •Storage tanks and day tanks

Safety Features

• •Fire suppression systems
• •Containment for oil spills
• •Grounding of all metallic equipment
• •Ventilation for fume control

Design Standards

• •IEEE C57.106 for oil maintenance
• •IEC 60422 for insulating oil supervision
• •Local fire safety regulations