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Alstom Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is droop?

13 78555

Why DC excitation is used for alternators? Why cant it be AC?

35 70583

how does electrical train works and what type of motors are used to drive the train? which level of supply voltage is used?

22 59924

what is the function and use of oil filled cables specify its advantages and disadvantages

7 26310

what type of cables exsisting in the world and how many types

9 11878

Define the overload capacity of the motor.

3 8650

What the capacitor Current formula?, For 1 KVAr how amps its required? for using the KVAr for boosting the PF Design Calculation.( Eg: for 30 KVAr required how many KW?)

17 222968

AVR is used for the Voltage regulation of the Generator using the feedback signal by exciting the field winding of the generator.But how the field winding will be excited & using what?

2 5050

I HAVE A 1 MVA TRANSFORMER, I WANT TO KNOW THE FAULT LEVEL OF THE SYSTEM ( WHAT IS FAULT LEVEL PLEASE EXPLAIN WITH EXAMPLE)

5 22119

In hydro plant,generally we install vertical hydro generators..why dont we recommend horizontal one??

1 4065

My switchgear busbar is rated at 2000A and just imagine the actual load on busbar is 1000A. From that busbar there are 10 outgoing feeders. Now the question is will the load be 1000A on each outgoing feeder or 100A per outgoing feeder. 2nd thing how do i calculate the load on individual feeder. Thanks for your time. Please provide some clarification on this issue.

1 4652

why phase always came one direction in 5pin socket(right hand or left hand) which direction and why..........?

4 14670

which is the best, A/C DRIVES or D/C DRIVES for cranes,...... ...and why......?

2 4935

What is the full form of CNC in electrical mechines.......?

1 7611

what is the RMU and RMU system in sub-station(11kv,66kv.....)

2 7646

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