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Electrical Engineering Interview Questions

234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,

1039

current and voltage equations for a star connected load fed from a delta connected load.

2809

what is the maximim current drawn by 1 phase and three phase welding machine

1012

what is power factor for any engineering equipment?? what should be its value?

ETA,

3357

how to calculate capacitor rating for an induction transformer ex.for 12 mva furnace calculate capacitor rating

3915

How we can make sure cable size of LT cable without any parameter.

4657

what is the meaning of knee point in current transformer and how to calculate?

5126

234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,

1162

63MVA,220KV/6.9KV Transformer LV side neutral is connected to Earth pit through NGR. Whether this earth pit required to connect with near by below grouding earth mat or it is to be kept separate?

GSECL, L&T,

1767

i have installed my solar site of 6.7kw and is working perfectly , can somebody tell me that how can i measure my solar irradiation kw/day/sq m ?

2556

our scope called one core cable for distribution system so we like to use 4 core cable with one equipment grounding conductor so what kind of technical reasons i can say that the 4core is better then 1 core,

2424

how to calculate busbar size? if ex:1000amps i need to calculate busbar size and what size of bar?if any example caculation pls give the formulas.

3651

what are the components of a start and stop motor control?

2273

In my project i am layout cables under the Maintainance bay /Maintainance yard in the TG Building. Whether in this route i can lay the H.T.Cables??? i am taking all H.T cables from the H.T Transformer to the TG Building..

1582

why we use ac system in india why not dc

6560

Un-Answered Questions { Electrical Engineering }

What is the Basic Difference bitween Long Shunt Connection and Short Shunt Connection in DC Generator?

1178

What is cut-off rate?

171

what are the breakdown voltage rating of mini- curcuit'transfarmer!

1188

In synchronous motor, how the field current is related to armature current..i know its inversely proportional..but concept wise...i was nt clear....pls help me...

1107

what is the safety of voltage power transformer(2250KVA0

1090

How to decide whether A / B / C / D curve type MCB should be used?

1374

apti mainly on logical reasoning, verbal and non-verbal ability (70 percent) and remaining technical. I was in ee but technical had mech ques like on turbines and welding.

1258

Role of active and reactive Power sharing in between two synchronized Generators, Droop Setting role ?

898

IN electrical field, WHAT ALL THINGS THE CUSTOMER WILL ASK WHILE ORDERING FOR LT PANEL (ALL TYPES OF LOW TENSION PANEL)

1144

What is the formula to calculate a three phase alternator

1304

-What should be minimum value of insulation resistance and maximum value of earth resistance at any electrical instillation and what is method of testing the same.

1101

Explain the following and how these are working with PLC Unit 1 I/O Module Card 2 Adaptor Card 3 Ribbon Adaptor 4 I/O bus 5 I/O Devices

732

how to calculte capacitor range for single phase induction motors??pls tel

1082

can any one tell in easy method for circulating current ??

1230

how to modify DOL control panel into Delta Y connection?

1040