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Can we use shunt trip coil instead of trip coil with protection relay for protection?
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If a shunt Dynamo has induced emf 100V and 0.4 ohm resistance and battery of accumulator of open circuit emf 110V and 0.5 Ohm resistance are in parallel what is common terminal potential difference?
sourse is 66 KV / 350 MVA, transfarmer is 1000 KVA 6.6 / 0.415 kv, iF fault is 28.75 MVA on 0.415 KV Bus then calculat the Transfarmer Impidance
explain why core loss of a transformer is almost constant under different load conditions when connected across a constant voltage and constant frequency.
How to Prepare preventive maintenance shedule of machine tool.
