how does it help for selection of a transformer.

1352

What is the formula to find out two phase active & reactive power

1683

what is the series parallel connection of capacitors? and how can we use these application in three phase motors for controlling torque?

1572

When are the directional relays used?

601

what is the meaning of number in (11, 31, 61,14, etc. CDG11, CDG31, CDG61, DDT32

884

i have a 4 Mva transformer 34.5 kv / 480-277 v and i used 2 parallel 3200 amp bus duct for the secondary feeder using 3 ply of bus bar ( 3/8" x 5" ) as a common where the flexible link terminated and 6300 amps breaker for the main, the lower bus duct reaches 70 degrees and the upper bus duct reaches 55 degrees when i used thermal scanner. why the temperature is not balance when the load reaches 3600 amps.

1448

Tell me all plants load factors i.e which plant operating on which load?

1542

How select ELCB for 32amp. socket having quantity 12Nos. We have to do this wiring in PLANT. Please Also explain the incoming cable specification.

1473

what is x'mer ,isolation x'mer & yltra-isolation x'mer?????

1827

What do you mean by screen of power cables?

1270

HOW TO DESIGN THE body EARTH cable(Copper Conductor) size for 60KVA UPS?

1550

Z transform is use when system is not a) converges b) diverges

1167

Difference between low impedance and high impedance Restricted Earth Fault

2613

explain remenance . differentiate high remenance type ct & low remenance type ct

1609

What is phenomenon of electromagnetic induction and how it works?

604