Bishopstoke Hampshire

Full commissioning works as per the customers specification which includes;

• Insulation resistance of each winding
• Core & secondary circuits
• Transformer ratio check
• Vector group check by 3 phase low voltage energization of transformer
• Checks on all CTs & VTs for insulation resistance
• Ratio & magnetization curves
• Operation of tapchanger through range & operation of limit switches
• Operation of protection equipment
• Oil sampling for routine
• Water & dissolve gas analysis.