WHY TRANSFORMERS ARE RATED IN 11KV 22KV 33KV Instead off
10kv 20kv 30kv

Answer Posted / suneetha

this is due to form factor
rms value of induced emf= form factor * average value

form factor is calculated as 1.11
so the ratings are usually expressed in multiples of 11

Is This Answer Correct ?    72 Yes 11 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is meant by carrier aided trip protection in transmission line

3277


Explain Creepage Distance of Insulator

1714


which is chemical used as in ro water what is difference betweeen multi grade filter&dual media filter

1603


I have c license but I don't know eligibility of Max Kilo Volts under the electrical licensing board.

1186


How will you define capacitance?

669






PLS SEND THE RRB CHENNAI MODEL QUESTION PAPER my email id is ganesan98655@rediffmail.com

1582


What are the commonly used schemes for the bus zone protection?

520


Whats the difference btwn a latch, port,data bus buffer? Do they all not hold data in d flip flops??

1928


I use 20 nos led tube 4feet, in pathway 100mtr approximate, so what size cable i use for lighting

1011


can we install HT panel & LT panel side by side or how much clearance is required ?

1058


PLEASE SEND THE PREVIOUS YEARS QUESTION PAPERS OF RRB JUNIOR ENGINEER-ELECTRICAL

1387


describe the Tranformer testing procedure

1432


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?

1491


i want to apper for apgenco or aptransco or related can any one sugest me where can i get previous papers of thouse exams

2792


what is difference between earthingpits,earthing grid & earthing mess?

2030