Why the wave trap is put in Y phse only in switchyard?why
not in other phases?
Answer / star
Because Y phase is less prone to faults. B phase is prone
to earth fault and R phase is prone to lightning. So Y
phase is more safe.
| Is This Answer Correct ? | 9 Yes | 21 No |
what are the protection for DG set and why?
Why single core cable required bonding at double end.
What will be the resultant out put voltage when two different voltage rating batteries are vconnected in parallel? pls. answer with example if available.
How to convert farad to kvar. both are the unit of capacitor.
5 Answers College School Exams Tests, UltraTech, Vikram Ispat Industries,
what is the surge arrestor?how it operates?what is the range for it?
Distribution Transformer are connected in configuration? a. Star/delta b. delta/star c. star/star d. delta/delta
why the altrnator(AVR) not showing the any voltage after making the new winding and insulation?
WHAT ARE THE SITE TEST APPLIED ON A SURGE ARRESTORS? DO MEGGER TEST APPLIED ON SURGE ARRESTOR? IF YES THEN WHAT ARE THE ACCEPTED IR VALUE REQUIRED FOR SURGE ARRESTORS FOR VOLTAGE LEVEL 11KV, 33KV, 66KV 132KV, 220KV AND 400KV?
How much RPM in Turbocharger in Diesel engine.
Why the dc voltage drop during starting of emergency lube oil pump? The Voltage drop from 135kv to 125 kv for one min. before re-establish to 135kv?
in three 3.5 core aluminium ug cable. one cable is used for one phase by shrting R,Y and B wires and other 2 cables used for Y and b phases. balace 3 neutral wires are made common and connected to load. suddenly neutral current was more than line current what is the reason behind this?
How can CALCULAT the current carrying capacity of aluminum and cOpper cables respective of that Sq.mm ? with formulas ?
12 Answers Bajaj, Eagle, Godawari Power and Ispat, Havells, L&T, Mascot, Polycab, SGML, Sterling Wilson,
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)