why the the phase transformer's nuetral has been grounded

Answer Posted / s c budhiraja

The neutral is grounded for:

1.To give a refrence voltage point with respect to earth
voltage ( Zero volt)

2.To facilitate operation of earth fault relay & other
relays like negetive sequence relay etc.

Is This Answer Correct ?    2 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

The shot circuit in any winding of transformer result? Explain

799


how to calculate the power factor when instantaneous voltage and current has harmonics in it ?

1414


What is the function of interposing current transformer?

609


What is the difference between Droop vs Isoch Control?

1914


Currently what is the highest capacity (MVA) of SPPg generator available in the market?

1335






FOR 16/20 MVA 132/33 KV ONAN/ONAF TYPE TRANSFORMER IT IS DESIGNED FOR 16 MVA WITH ONAN CONDITION.IT BECOMES 20 MVA UNDER ONAF CONDITION.LOAD LOSS IS GUARANTEED FOR 65KW AT 20 MVA AND % IMPEDANCE 13.75. PLEASE TELL US AT WHAT LOAD LOSS AND % IMPEDANCE IT SHOULD BE DESIGNED FOR 16 MVA AND WHAT WILL BE ITS EFFICIENCY AT 20 MVA?

2956


how we arrange the hv side with delta connection in case 33/11kv of transformer.

1550


When color of silica gel will gets change from blue to pink from Top to bottom?

1127


what is the reason the main breaker is trip during the motor is running? (some time the breaker is not trip)

1309


Why line VTG = √3 phase VTG in star? How?

1184


What are the specifications for conducting earth leakage test as per IEC standard?

1523


Why derivative controller is not used in control systems?

657


What are operating procudures & Safety precautions to be observed while operating OLTC in manual mode ?

1462


What are high pass filter and low pass filter? and What are the flowmeter ?

1514


Dear friends I want to design busbar for1600 kva transformer(i.e2100 amps) what are all the factors to be considered before selectinga busbar what are all the standard sizes of busbars what is the formula for finding current of copper and aluminium busbar

1488