kWH
kWH means Kilo Watt hour
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kVA
kVA means Kilo Volt-Amps
kVA = Volts x Amps / 1000
Example: Equipment using Current = 2.5 A; Voltage = 120 Volt; Frequency = 50 Hz
kVA = 120 x 2.5 / 1000 = 0.3 kVA
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kW and kVA
Difference between kW and kVA is power factor. Power factor is generally given by equipment supplier.
Power factor = 0.95 then kVA x 0.95 = kW.
*Conversion from kWH to kVA. These are two different measures. kWH is energy and kVA is power . kW (power) and kVA (power) related by power factor.