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# RELAYS 101

### Symmetrical Components Calculator

Enter 3-phase voltage, current or impedance values and the output calculation is the symmetrical components. Symmetrical Components are merely a mathematical method to help analyze complex electrical systems. There will be positive sequence components only appearing during a 3-phase fault. There will be positive and negative sequence components appearing during a phase-to-phase fault. All three symmetrical components (positive, negative and zero sequence) will appear during phase-to-ground faults.
Phase 1 Magnitude : Phase 1 Angle (deg) :

Phase 2 Magnitude : Phase 2 Angle (deg) :

Phase 3 Magnitude : Phase 3 Angle (deg) :

Positive Sequence Magnitude : Positive Sequence Angle (deg) :

Negative Sequence Magnitude : Negative Sequence Angle (deg) :

Zero Sequence Magnitude : Zero Sequence Angle (deg) :
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