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

without name plate detail of blower how we can find out the HP & Rpm ? the input voltage is 230v single phase

1 Answers  

what is the generating transformer?

3 Answers  

1.Z transform always lies around ? a) origin b) pole c) zero d) z=1. Multiples Mcqs which is bother me can’t find answers on internet. Some help required with little explanation . Note: this is not homework or related to any test. Thanks

0 Answers   CCP,

IF we have 500kva transformer 11.0/0.415V, 50Hz. How to calculate the current on HT & LT side, how can we consider for its breaker (HT & LT both)? You are requested to solve the question herewith.

3 Answers   Bhutan Power Corporation,

Hi I'm doing my MBA(3rd semester).I applied for the post of ET conducted by BHEL the last year.I cleared the written and lost in personal interview.Again I wrote the exam this time and cleared the written n yet to take the personal interview.Shall I disclose in the interview about my studies.What shall i say if they ask about my change from studies to job

0 Answers   Bhel,

if we use contactor & MCCB both in a feeder.in this feeder rating of contactor is higher or lower or same of MCCB rating & why?

1 Answers  

in how many ways we can make induction motor to run in reverse direction?

5 Answers  

why in motors dc extitaedtion is prefer

1 Answers  

Explain the method to keep noises low in a control system?

0 Answers   HPCL,

how point on wave controller works.

0 Answers  

What is Isolation Transformer???

4 Answers   Emerson,

IN bateery size of positive is biger than negative .why?

8 Answers   Power Grid,