In a 3 phase system , when using the vigi module for earth leakage protection , the natural unbalance existing in the system will cause the tripping of the vigi module ? | Schneider Electric Saudi Arabia

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In a 3 phase system , when using the vigi module for earth leakage protection , the natural unbalance existing in the system will cause the tripping of the vigi module ?

The vigi module measure the vectorial sum of currents in the 3 phases + neutral , so any unbalance in the 3 phases in currents will circulate in the neutral wire and the vectorial sum will be zero , so the vigi module will not trip in case of the unbalance in load , it will trip only for earth leakage

Released for: Schneider Electric Saudi Arabia

Published on:10/6/2013Last Modified on:7/10/2025

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