What is OLTC in transformers and what is its function?

Answer Posted / er. bhabani shankar behera

OLTC is on line tap changer.it in normally connected in hv
winding.becz in order to minimize the sparking during tap
changing.as current is less in hv winding a compared to lv
winding.it helps in changing no. of turns during loading
condition.in order to very the out put voltage as per desire.

Is This Answer Correct ?    17 Yes 4 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is calculation mathod/formaulla for deciding Size of busbar (Copper/ aluminum)for L.T. panel on Various Fault level like 50kA,25kA,10kA

2312


testing of Vector Group – YNaoD II

2444


Refernce currents are to be generated using refernce cueernts how can this be done

1776


i have 90kw motor.so i choose connect cable .please what is parameter checked so please give to formula

1723


how to calculate the earth mat design in 132 kv substation yard ????

5716






how can calculation ate Amps for cabel. Ex-for 1sqmm wire hou many amps we can draw

1982


why i can not use thimble on capacitor duty contactor

872


What is the safety of UPS?

1277


what is the minimum requirement gigaohms for the insulation test using 5kv in 300mm xlpe cable

1518


what is through fault?

1760


Draw the wave shape of armature current in a generator subjected to a sudden three phase short- circuit at its terminals. Define various reactance of generator from this wave shape.

1621


what is the standard values(Megger test) of resistances between L&N,L&E and N&E for a system on IEE regulations?

1650


dg started in plc mode and load taken later one battery terminal connection will be disconnected by loose connection what will happen for dg and shall we connect battery terminals while dg in load time?

1518


1.What is the range of stator resistance of 3-phase induction motor? 2.Two electrically operated vibro motors are foxed in parallel direction in vibrating feeders. what is the direction of both vibro motors?

1449


working of diesel generator ?

1351