Electrical interview questions – page 33

What happen if any one phase of a slipring induction rotor winding is open?is it start or won't?

We all know that both the generator and motor areelectromechanical conversion devices.....then why we ratemotor in kw and generator in kva????

What is the operating principle of contactor(power).along with disection?

How to know the diffrential relay setting of 06mva step-down (delta-star)transformer?

How to do loop checking

Is there any difference in reading or error in value, if weconnect the R phase in Y terminal and Y phase in R terminalof electronic energy meter of 11 kv feerders???

Which one is correct mVA or MVA. Whether both the units are same for the transformer

Purpose of check value

How u measure dp in dp tx? how u calibrate a dp tx?

What is the practical use of ENTROPY?

What are documents to be required for export of the material?

WHY THE RATINGS OF TRASNFORMER IS IN KVA?

How can we find a burden of potential transformer? what does it effects? how can we calculate rated load of it?

What is differential relay ? where it can be used?

When capacitor bank connect on line. It's draw some current but it's current not increase of main line ammeter. Why?

What the purpose of transmited high voltage in over head lines

Why fuel tanks to be earthed ?

What the purpose of data retrivala panel in substation

Name of the relay of low lub oil presuure in DG sets

What is the implications when 600 hp motor is started whenthe unit is running with Transformer of capacity 1500 KVAand DG set of 1000kva

Difference between torque mode and speed mode

What is negative current?

How to calculate percentage impedance

What is the VCB & how it work? What is the function of Transformer?

What are the equipments in the sub-station

What is transformer and how does it work?

Basic electrical engg,

Technical skill U have

Major problems faced during pre-commissioning & commissioning at Saudi Kayan plants.

Diploma in EEE