why are transformers rated in KVA and not in KW
- 8 Answers
- 12416 Views
- ABB, Bosch, I also Faced
- E-Mail Answers
Answer Posted / nachu
Only the voltage (V) or Current (A) is stepped up or down and there is no change in the power (W). Power in this case is reactive power not active power so it is mentioned as KVA.
| Is This Answer Correct ? | 13 Yes | 13 No |
Post New Answer View All Answers
How to select circuit breakers rating eg. if i select a circuit breakers of capacity 40 amps DC with operating voltage 28 volts and if i what to use same circuit breakers for 300 Volts DC application what is the current rating of this circuit breakers.
How to calculate energy stored in a capacitance
i have flexible wire. size of conductors is 0.190 mm & no.of conductors are 48. then size of wire comes 1.37 sqmm instead of 1.5 sqmm . the what is tolerance for this size.
if the armature current in a dc generator is ac ( sinusoidal ) why doesnt the sjhape af armature mmf a sinusoidal (ni) ? armature mmf in case of a dc machine is triangular.
what is the use of sdf?
what is difference between line differential and transformer differential?
what is the need to express current and voltage in rms value? rms value is also called as effective value,what is effective value?
Explain cos(theta) and Sin(theta)
can anyone explain the star-delta motor control wiring ,which wire go where and how they operate?
what is meant by neutral compensation factor and where it is used
what is plunger and what's the use of it in motor alignment?
I have made a 3 phase thyristor full bridge rectifier. But at the moment it is working only for the half bridge operation. Both the half bridges are on operation separately but when i put it into full bridge operation the oscilloscope output is zero. I rechecked that the pulses are correct for each thyristor. what could be the possible reason for this?
why current is constant on d.c?
8. A DYNAMOMETER TYPE WATTMETER RESPONDS TO THE.......
How to select transmission line type (i.e. 11kv or 33kv) for new established industries
