IS HI-POT TEST DONE ON A TRANSFORMER - YES OR NO?
WHY?

Answer Posted / gunasekaran

yes we have to check the insulation helthyness and leakage
current of the insulation.at the time of hipot suppose ur
doing hipot for HV LV should be shortedand earthed that
time we can get healthyness of insulation of the transformer

Is This Answer Correct ?    11 Yes 4 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

explain Density

638


Incoming line 11kv And transformer capacity is 2500kva. Consumption load is 1300A. Then fuse capacity is 11kv line.

1255


How we can calculate the consumption in kwh of motor on basis of kw @100% load, @50% load & @ no load.

2326


How isolater function when installed inelectrical 440V wiring

1693


what happen if the parallel generator phase angle shift by 1 degree in manual mode

1554






3Cx240 & 3Cx300 sqmm Al. cable from lv side. What is the calculation for this cable??

884


How can we calculate ac current from the given DC current when AC voltage is given?

1521


What are the limitations of Kirchoff's laws?

1114


define superposition theorem thevnin theorem ,norton theorom?

1791


hi Is there any possibilities to find out the rotation of a shaft or something else by using electromagnectic waves or by IR rays.If s then can v change the dir., of rotation of the same by remotely?& how? plz dn't any1 say "NO r CAN'T"

1603


how to calculate the no load current in transformer?

1969


what is the power factor used by the PHCN in nigeria? 2. what is the difference between an alternator and generator. 3. Generation of poweris in KV but how is transmission is in MW. 4.If the transmission of power is 20,000MW how can it be increaesed to 80,000MW

8023


I have motor of 3 H.P. How i found the rating of capacitor use in it in single phase motor..???

2125


What are the classifications of heating element?

1512


Define branch?

623