Report - Richtlinie Notstrom Endfassung 24.08.2004 - ENSO · PDF file- Spannungsdifferenz ∆U ≤ ± 10 % UN - Frequenzdifferenz ∆f ≤ ± 0,5 Hz - Phasenwinkeldifferenz ∆ϕ ≤ ± 10°

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