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This FAQ has been written for NEAL (North East Africa and Levant) region. If you are looking for information for another region, please select the correct country from the top-left dropdown in the page and 'Navigate to Browse FAQs' in the Support menu.
What is the definition of ANSI 46 - Negative sequence / unbalance?
Protection against phase unbalance, detected by the measurement of negative sequence current:
- sensitive protection to detect 2-phase faults at the ends of long lines
- protection of equipment against temperature build-up, caused by an unbalanced power supply, phase inversion or loss of phase, and against phase current unbalance.
Released for:Schneider Electric Egypt and North East Africa
