please let me know , we have installed two separate motor for fire fighting system 1) 60 hp and 2) 15 hp the load is 74 AMPS and 20 AMPS then tell me the main power cable in Aluminum will be what thickness , the length is 225 mt from the main utility to fire pump house
HOW TO DO GRID EARTHING IN INDUSTRIES FOR A PRODUCTION BUILDING
Why HT motors are connected in star.
3 phase induction motor rotor field rotate at synchronous speed w.r.t ?
why we are using KVA rating for transformer,not KWh rating?
how a circuit breakers work at fault condition .plz give a specified answer.
Name two low frequency oscillators?
234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,
why the iron chains were hanged at the back or front of the trucks earlier which were touching the earth?
Why generally the transformer primary is connected in star & secondary in delta
Transmission voltage is kept 11KV,33KV,66KV,132KV,220KV due to form factor. What happen to 400KV and 765KV transmission voltage?
what are the different types of bus bar used at electrical work at shelter
3 Answers Aster Teleservices, Costco,
What are the site acceptance tests for power cables, DG Sets, LT panels & 30kVA UPS ?