What value of resistance required between Saftey earth and instrunment earth , maximum and minimum values required
Answer / muthu
It's varying asper soil resistance but my answer is 100 to 400 ohm
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What is the distance between each insulator in 33kv transformer and how can it calculate
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Why only plate(copper) Earth pit given for neutral earthing? why not pipe(G.I) Earth pit?
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A 400 V, 50 Hz, Δ connected synchronous generator has a field reactance of 0.1 Ω and armature resistance of 0.015 Ω. At full load, the machine supplies 1200 A at 0.8 pf lagging. Under full-load conditions, the friction and windage losses are 40 KW and the core losses are 30 KW. What is the machine’s overall efficiency? Ignore any field circuit losses.
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