Successful Replacement of Old Protective Relays (Electromechanical, Numerical) With New Microcessor Based Relay (ABB Make Ref Series) In Various Petrochemical Plants.
• Ten Delta • Magnetizing Current • Magnetic Balance • Vector Group • IR/PR • Ratio • Winding Resistance • CRM • REF Scheme • Differential Scheme
• Ten Delta • Partial Discharge Test • Ratio /Polarity • Knee Point • IR/PI
• Manual ‘ON’ and ‘OFF’ operation • Contact Resistance • Insulation Resistance • Opening Time • Closing Time • Close to Open Time ( HT Breaker) • Vacuum Bottle Level Check (HV Test)
• Insulation Resistance Test • Bus Bar Resistance (With Joint) • Bus Bar High Voltage
• HT Breaker Servicing • LT Breaker Servicing • Bus Bar Tightness • Transformer Maintenance • HT/LT Panel Wiring
To be one of the most recognized Electrical Contracting Company in India.
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