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Safety in Electrical Systems thru Effective Design ...
Safety in Electrical Systems thru Effective Design & Maintenance OISD Workshop New Delhi 16th January, 2014. A C Sen Executive Vice President ER. IOT Infrastructure & Energy Services Ltd Working environment in Petroleum plants Working environment is hazardous Can`t avoid presence of vap/gas Air is present in abundance Can`t avoid Oxygen Only thing, we can control is Ignition . Electrical hazards and Consequences Ignition Sources : Electrical Hazards : Consequences : Tank Trucks Electrocution Fall Electrical drives, controlling devices, cables. Burn Lights and Switches Arc Flash Atmospheric discharges (lightning) Injury Arc Blast Static charge Generation Damages Uncontrolled Presence Stray current Fire Fatality Arc Flash / Blast Effect can be disastrous Arc produces a temperature of 19000 deg Celsius apprx Arc melts wires, expands air several times, creates blast pressure waves Key parameters for Electrical System Design System Design should be based on : Supply voltage rating, Current capacity, frequency.
Safety in Electrical Systems thru Effective Design & Maintenance OISD Workshop New Delhi 16th January, 2014 A C Sen Executive Vice President ER IOT Infrastructure & Energy Services Ltd
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