Answer / rabindra kumar

because motor gives mechanical power as output, where as transformer
n alternator give electrical power as output.

Answer / sanju

All depend on power factor.

Answer / jagu

Transformer is independent of pf.Hence the transformer rating is always expressed in KVA.
In Motor the pf is dependent on percentage loading & hence expressed in KW.

Answer / brd ganesh

All ac sources are rated in kva where alternator
&transformer and all ac loads are rated in kw
where motor

Answer / ritika

motor manufacture ki marji.
alternator manufacture ki marji.

Answer / prasanna

becoz iron losses depends on voltage and copperlosses depends on current.....so the motor rating is in KVA

When star connection of motor is use?

1 Answers  

what's prime importance of protection in electrical system.if protection system don't work properly what can happen in electrical system?

0 Answers  

who iz power minister ?? :P

1 Answers   IOCL,

For a CT the number of turns in the primary winding is.........

5 Answers  

how to convert star network in delta or vice versa...?

1 Answers   Toyota,

phase association of 3PH L&T static CT meter is wrong. means 1PH & 1 CT connected properly and other 2 voltage and CT's inter changed. what would be the impact in the reading?

3 Answers   KSEB,

What is the black star?

2 Answers  

What is the difference between Ac curent & DC current

2 Answers   Juniper Networks,

What is the function of turbo charger in generators

1 Answers  

Can we indroduce the principle of single phase induction mator to Transformer? i.e. by Producing rotating flux in the transformer.

0 Answers  

How to identify 3 phases of 3 phase supply irrespective of there color????

1 Answers  

In my project i am layout cables under the Maintainance bay /Maintainance yard in the TG Building. Whether in this route i can lay the H.T.Cables??? i am taking all H.T cables from the H.T Transformer to the TG Building..

1 Answers