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What is the definition of ANSI 27R - Remanent undervoltage?
Protection used to check that remanent voltage sustained by rotating machines has been cleared
before allowing the busbar supplying the machines to be re-energized, to avoid electrical and mechanical transients.
before allowing the busbar supplying the machines to be re-energized, to avoid electrical and mechanical transients.
Released for: Schneider Electric Egypt and North East Africa
