Oscilloscopes measure current and voltage and, through the magic of mathematics, calculate power. Unfortunately, power comes in a large number of guises: instantaneous, real, apparent, and reactive.

Want to challenge our Grid Masters for a chance to win? Q: What's the physical meaning of instantaneous active and reactive power? A: Reactive power fluctuates as much as active (real) power. For ...

The meters installed on the premises of the micro units to calculate electricity consumption charges do not have provision to calculate reactive power and hence power factor cannot be calculated ...