explain why tap changer is always connected to high voltage
winding side of the transformer.

Answer Posted / d4

The HV windings are placed on the LV windings, so it is easy
to take tappings from the HV side. Also the currrent in the
HV side is less than that on the LV side; this helps in
reducing the arcing which takes place as a result of tap
changing.

Is This Answer Correct ?    35 Yes 4 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is the formula to calculate the rating of power cable for three phase current.

1668


How energy is generated in hydroelectric power plant?

636


which is the best institute for PLC,SCADA,DCS in hyderabad

1894


Explain in brief description about the operation of DG sets.

1881


1. Can a 12v DC choke operate a 60v/12w PL lamp ? 2. Can a 230v ballast fire / operate a 60v/12w PL lamps.

1766






How you give clearance to a spare feeder.

1225


A power transformer 4MVA/11KV/0.415Kv has been out of use in 12years. what maintenance actions/test need to be carried out before energizing.

923


Initially, when the input is not equal to the output — what type of response is this?

671


what is the purpose of using filters in a protective relaying scheme?

1768


1.what is difference between ATS & STS main use. 2.what is difference between ACB& VCB With symobles,and main partes, manimum range. 3.How many types of relays and main function.

5612


What is knee point voltage of transformer?

679


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

1451


give me applications of sequence bridges . (used in 3 phase un balanced systems)

1462


When lag/lead/lag-lead compensation is employed?

739


what is the basic construction diffrance between servo motor ans sqiralcage induction motor

2018