We have 800KW motor operating at 6600Volt,50 Hz supply.During 1st startup it tripped on overcurrent trip.It's FLA is 88 Amps.The K factor of Thermal overloaaad was set on .94 initially.then we set at 0.97 and then it started fine.i dont understand why it tripped first?What are the protections which comes in picture during starting ?

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My question is abt backlog.I had dropped one subject in my second year, and completed this subject in the 3rd attempt, so how many backlogs i have got?1 or 3?plz sujjest the answer as soon as possible

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Difference between KW & kVA

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please describe the Transformer setting, Motor setting, I/C setting, Tie setting

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why, when birds sit on transmission lines or current wires doesn't get shock?

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choose the non-switch device (A) transformer (B) diode (C) transistor (D) IC

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What will happen if supply to three phase motor is given wiyhout inerting rotor in it?How much current it will draw?

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I am having a 1500 KVA transformer whose secondary current is 2086A and my connected load is 1000 KVA, I am having 400 KVAR APFCR for PF improvement what ratio of CT should i install in LT EB Bus to get optimum PF improvement?

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A logic circuit that provides a HIGH output if one input or the other input, but not both, is HIGH, is a(n)?

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In Aeroplane what circuitry or method use for earthing?

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Saving in copper achieved by converting a 2 winding transformer in to an auto transformer is determined by A voltage transformation ratio B load on secondary C quality of core material D size of transformer core

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why occ characteristics curve in not tracing back when we are bringing back the rhoestat?

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