why open circuit test is conducted on hv side and short
circuit test is conducted on lv side of a transformer ?what is
the reason for it ?

Answer Posted / nitish prajapati

short ckt test is performed at rated current,as the rated current on hv side is much less than lv side so the rated current is easily achieved(compared to lv side).

Is This Answer Correct ?    59 Yes 6 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How two nos. 130 kw D.C motor get synchronise using D.C drive.

1580


how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec.

1732


describe the Operation of induction generators from bus bars

1807


what do you mean by type zero control sytem ?Give an practical example of type zero contol sytem?

1545


bitumar

1797






Is single load(eg: three phase motor) having all the components like positive,negative,zero sequence components during fault condition?

1355


What is Icu and Ics and what is difference b/w them. please tell me how to calculate a size of a copper bar for a system or a breaker... reply on... king.arish@gmail.com would be waiting for a logical answer.

1930


Is there any question in the name of Static Switch in UPS??

1571


how the CT and PT is connected in the circuit during testing of transformer explain with diagram

1513


at work i have a genertor/alternater what is the easyest way to work out if it is dc or ac?

1382


Do closed loops systems require manual input?

638


hello friends.. I have a doubt regarding the operation of dc machines.. I studied in a text book that a dc machine can be used as a generator and as a motor.. is this possible? If so,please send me the info about this topic.. you can also send your info to my mail.

1538


why we permissive overreach in distance protection.where it is applicable to use in long r short lines

2294


if i am in front of transmission line how to know that current direction without any equipment

1250


Why efficiency of generator is higher than motor at a particular load?

1623