This free simulator allows you to explore the relationship between active, reactive, and apparent energy in an electrical system by modifying the power factor (cos φ).
- Adjust cos φ using the sliders.
- Observe the values of active, reactive, and apparent energy, and their relationship as cos φ varies.
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- Active energy (P): Represents the useful energy that performs work in the system, measured in watts (W).
- Reactive energy (Q): Represents the energy that does not perform useful work but is necessary to maintain the electric and magnetic fields in the system, measured in reactive volt-amperes (VAR).
- Apparent energy (S): Is the combination of active and reactive energy, measured in volt-amperes (VA).
More information at What is reactive energy?