power factor
If a 1-Phase Supply is 230V, Why is 3-Phase 400V & Not 690V?
When Single Phase Supply Voltage is 220V, Why is Three Phase 440V and Not 660V? In an alternator, three separate…
Why is a Power Plant Capacity Rated in MW and not in MVA?
Why is the Rating of a Power Plant Capacity Expressed in MW instead of MVA? A power plant’s capacity is…
Why 3-Phase Power? Why Not 6, 12 or More for Power Transmission?
Why is Only a 3-Phase Power Supply System Used Instead of 2-Φ, 4-Φ, 6-Φ, 12-Φ, or More Phases for Power…
Why is a Battery Rated in Ah (Ampere hour), Not in VA?
Why are Batteries and Cells Rated in Ah (Ampere-hour) and Not in VA or Watts? A battery stores energy in…
Why is a Transformer Rated in kVA, and Not in kW?
Why are Transformers Always Rated in kVA Instead of kW? As the name suggests, a transformer is an electrical device…
