11kv/0.433kv, 2 mva , transformer , for protection and
metering how many CT/PT are required?
Answer Posted / d ramesh
11KV side(delta)
Line side 3core CT :1No. for metering, O/C&E/F protection,
Differential protection with ICT.
0.433KV(Star)
Nuetral CTs :1core for Standby E/F 5p20
Line CTs :3core CT:1No for metering, O/C&E/F
protection,Differential protection with ICT.
1No. 1-core CT in LV nuetral of Transformer of class 5P20
for earth fault protection.
panel side in the panel itself remaining CTs can be
provided for metering, O/C&E/F, and differential cores with
ICT. In both HV panel & LV panel.
| Is This Answer Correct ? | 2 Yes | 1 No |
Post New Answer View All Answers
What is the formulae of Megger value for a A.C.Motor
How can I known multiplying factor .without multiplying table
Pleae send me last 5 years of Question book about RRB chennai.
For a spring controlled governer the relation F = ar+b (F is the controlling force, r is the radius of rotation a and b are constants), indicates that the governer is
if 12v battery get discharged for 2 months after if we put charge it will charge again?how much time it will take to charge?
What is meant by celling voltage & current in excitor ?
What is the ratio of Booster transformer?
why the difference arise between HT reading & LT reading (submeters fixed in complexes, apartments etc)if the power factos exceed from 0.9 to 1 can the ht meter reads fast?
difference between Ac and Dc mcb ????
Which types of gate insttaled in static switch. Please give me answer.
What are the internal and external faults?
how many load we can take for lighting
HOW TO CALCULATE ELECTRICAL, MECHANICAL,& OVERALL EFICIENCY OF GAS ENGINE POWER PLANT
How do the synchronizing lamps indicate the correctness of phase sequence between existing and incoming alternators?
What test must you do before powering up a circuit that you have been working on?