What is the basis for selecting Vk/2 or Vk/4 for REF and Differential protection of Transformer and What is the significance of magnetising current

944

How RTCC panel is working and give single line diagram for RTCC with transformer?

1793

What is the criteria that generally follow by distribution licenses to fix contact demand of their industrial customers?

366

how can i get the formula to find out the cable size if i know the load of main fuse protection.

636

WHAT IS THE CURRENT CARRYING CAPACITY OF 2.5/3 CORE HI TUFF CABLE,WILL IT SAFLEY CARRY 8.6 AMPS OVER 120 METRES,CAN YOU ALSO ANSWER WITH FORMULA FOR WORKINGS OUT ,THANK YOU 3RDYR APPRENTICE.

1995

What are operating procudures & Safety precautions to be observed while operating OLTC in manual mode ?

707

how does an centrifugal and screw type chiller will work. which chiller efficiency is high and why.

980

we use capister for power factor. when we use capaciter in dg circuit  than defect dg. can we use capaciter bank for dg circuit

452

can any one tell me about the Extra low voltage systems?From where we give supply to these type of systems??

703

how technical is calculated in 11kv line and lt line

659

can i connect REF and Differencial relay in 1 CT core for transformer protection?

628

When can we take Neutral as common neutral link?

391

what are the range of memory address in plc for L&T lx7 4A

822

What should be the Sandwitch type Al. bus bar capacity for 2 M.W.Gen. set, having continuous full load current- 3463 Amps,ambient temp.- 50 Deg. C., Required temp. raise-20 deg.C., it will run 24 hrs, 365 days on full load, required highly reliable.

1045

how desiel generate sart fail of eb?

793