why is one voltage transformers (instead of three )
installed at the entrence of the incoming line in a
substation.

Answer Posted / saravanan

If we use 3 phase voltage transformer, it wiil be more cost.
and we have do maintenance also. For single voltage
transformer cost will be less. we can get the Phase to
phase distance clearance.

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What will happen if the voltage in my house drops from 220V to any lower voltage?

1628


What is the difference between diesel generator engine with and without turbo charger with the same capacity?

1167


how ceiling fan worked?

1459


for a 400kv t/m line with 10 ampere current will corona occur?

1674


Why the earth to phase voltage is high 250 compare to other two phases

1030






In siemens S7-300 PLC, what is function and function block ? What is the difference between them ? When to use function and when to use function block ?

2632


What are the specifications for getting approval of Substation?

1389


how to calculate the Neutral transformer impedance?

1800


Pls mail me utility & Dg related question with answer

1388


Why current shoots up in the secondary on the knee point voltage during saturation test of CT? How core saturation effects the secondary current (while the primary side is open)? What the logic behind this?

1498


pls someone send me sample question papers along with the key.thanks in advance

1850


why the arc welding machines require parallel earthing systems? ie why each machines are connected to earth pit by separate wires during earthing? wats it adavantages?

1714


what happen if field of dc shunt motor opens? what is function of putting res. in parallel to one phase of 3 phase IM? the power supplied by 5A source in circuit is given by------Watt.

1535


single phase power supply give to separate one steel coup with water, what reaction create

1551


Explain mechanical rotational system?

617