Answer / gunasekaran

it may dangerous at full load condition because excessive
high voltage is build up in secondary so we have take
shutdown then only we have use tester or screw driver

Answer / s

if u like to change ammeter so u have to provide short link
on panel terminal....every panel having this
facility...suppose u like to use screwdriver or tester u can
use bcos there is a no voltage.....just u have to keep in yr
mind that if panel in running condition so carefully
....this type of condition occurred when u like to change
ammeter ......hope u understand

Answer / velu5185

no sec open plz short it because sec open CT ill burn

Answer / kashif saeed

it is danger to short the CT with screw driver or tester, it
is better to take the shutdown and than short the CT with
the tester or screw driver.

Answer / lokesh ranjith

before opening the ct or if ct get short circuit
we can short the ct terminals by using tester or can short
the terminals
causes no danger or else ct will blast

Answer / suresh

You should short the secondary use tester or screw driver
no prblem

should %impedance be high or low in a power transformer? if so why?

0 Answers  

why the electrical insulators suspention breakdowen

2 Answers  

What is the make of breakers, transformers, generators? What are their capacities and ratings?

1 Answers  

why using 3 phase

1 Answers  

KVA transformer of different frequencies of 50hz,100hz,500hz&1000hz. which one of these transformer has big size? Give reason

4 Answers   Suzlon,

what is the dedicated earthing

1 Answers   Reddy Labs,

what is the standard duration after failure EB power

0 Answers  

v=I*R, i.e V is directly proportional to I. now P=V*I. so V=P/I. thus v is inversely proportional to I. so what is the correct one? If both are correct than for which kind of condition this 2 differ

3 Answers  

EXPLAIN WHY THE SURGE CURRENT RATING OF AN MCCB OR CIRCUIT BREAKER DECREASES WITH INCREASE IN THE RATING OF MCCB OR CIRCUIT BREAKER.

0 Answers  

I am an electrical contractor in noida, I am registereg in noida vat. i got a contract in Delhi State, my party told me that we shall deduct WCT @4% & reimburse Service tax all in composite scheme. Now Problem is this, 1 Can i able to purchase outside the delhi? 2 Can i produce a c form to our vendors? 3 What is limitation of purchase from outside the Delhi? 4 What % of tax Govt will levied upon me? 5 How can i take credit of tax paid upon purchase made by us. So, like these type questions i have in my mind if any person know the right answer please write to sksproj@gmail.com or contact me on - 8010076534 / 9212758177 / 9718378190. Thanks with Best Regards, S.K.Saxena

3 Answers  

What will be advantage if we put some load in neutral of grounded star transformer & loadshortcircuit current,rated current of cable & MCB with example?

0 Answers  

What is NGR . What is the purpose of 10 sec ,60 sec rating of NGR.

0 Answers   KOTC,