how can i get an electrical c-certificate?

0 Answers   Wartsila,

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explain the Trip supervision circuit

0 Answers   NCC,

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If a 3 phase induction motor is in off condition in the conveyor and rotor of the motor keeps moving with the conveyor than the resistance of windings of motor varies. why is it so ??

0 Answers   Jindal,

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if a 3phase 100kva distribution transformer , 400 v,50 hz, 4-wire system is loaded at 160 k.w mostly 1-phase Lighting & Airconditioning split a.c load what will be the net effect on the power system in terms of voltage, powerfactor, current , efficiency of xformer

1 Answers  

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explain in detail HV & LV bushing connection in power transformer (110 / 11 kv 16 MVA)

6 Answers   TNEB Tamil Nadu Electricity Board, wbsedcl,

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why we are using in reverse power relay in generator singranizing

1 Answers   Dalkia,

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How one may guess the direction from which the distribution line is incoming if there is no pole plate on poles?

0 Answers  

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why transmission voltages are in multiple of 11kv?

10 Answers  

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What is thermal overload relay

2 Answers   Tech Mahindra,

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why we used servo motor insted of inducation motor?

1 Answers  

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Why we are use 11KV / 22KV / 33KV / 66KV / 110KV / 230KV / 440KV this type of ratio. why cant we use other voltage ratio like 54KV / 99KV et.,

8 Answers   College School Exams Tests, Hino, ITC Infotech, Reliance, UPRVUNL,

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what factor is necessary during design of HT & LT MOTORS.

2 Answers   ABB, L&T,

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