please what is different

Options
EG. AMMORI
EG. AMMORI ✭
in Robot Controller
please what is different between kilo watt meter and kilo var meter in theory of work 
as we know they have same construction and same shape

Comments

  • ferdity
    ferdity ✭


    VA = measured volts X measured current. Watts = measured volts X measured current X cos Phi (angle between V and I) = real power. So if you put a VA meter on the feed to an electric motor you might read 1kW, if you replace it with a watt meter you would read 800W because the current and voltage are not in phase due to the inductive impedance of the motor. Thank you. :).ferdity2013-01-23 08:59:25
    Agen bola

Categories

In this Discussion