why for transformer protection we protect tranformer from
3rd hormonics and 5th hormonics and what is the reason of
generating these horminics in electrical system?

Answer Posted / geno peter

well, it causes disturbances to the communication systems
nearby ie., electro magnetic waves . its causes unwanted
heating in the core

Is This Answer Correct ?    3 Yes 8 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

how test transfomer(3 phase75kva) by megger

1621


what is the main function of capacitors in mccs.

1272


Sir, I have applied for the of Jr.engineer(Electrical & Electronics) & ASST. LOCO PILOT at ALL RRB BOARDS. please send me all RRB Boards solved papers in the year of 2001 tO till date. i requested send me the papers to my id as soon as possible (jet_0991@yahoo.com). (This is very urgent) Thank You,

1406


What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works?

1520


How to calculate no of Lighning arrestors are required for protecting 50mX 50m*20m cubical building and locations of LA?

1451






Zone of protection and tripping scheme of arc protection relay.

1409


What are marginally stable systems?

675


The specific heats of the gas at constant pressure and constant volume are respectively 1.0 kJ/kg K and 0.72 kJ/kg K; the value of R for the gas is

702


1. what is usage for power factor in industries?? 2.why we need to monitor power factor??

6749


Pls tell me whether we can use EN3A material for shafts of Permanent magnet alternator.What will be the effect of magnetic and nonmagnetic material for shafts on magnetic properties of PM rotor .

2999


What is signal flow graph?

660


what is droop control?

1630


What are the advantages of speed control using thyristor?

652


If o/p power is doubled by how much does the sound increase

637


On a 3 winding transformer YNynd11, how do you apply REF protection to the Delta tertiary winding that is supplying auxiliaries to a substation?

3610