An AC power source out electric power in the form of "Power On" and '"Reactive Power".
* Power On (dalamWatt) are:
Electrical energy needed to be transformed (converted) into other forms of energy: mechanical energy, thermal energy, light.
Electrical energy needed to be transformed (converted) into other forms of energy: mechanical energy, thermal energy, light.
* Reactive Power (the VAR) are:
Electrical energy is required for the formation of the magnetic field is required 'by the equipment that works with the system of electromagnetic (inductive equipment). Without these magnetization currents of electricity can not flow through the transformer core or through the air gap induction motors. Both these resources form the total power called the "Real Power" (in VA).
The third power is:
Active Power (Watt):
P = √ 3 x VL x IL x cos φ
Reactive Power (VAR) :
Q = √ 3 x VL x IL x sin φ
Real Power (VA):
S = √ 3 x VL x IL.
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