Feeder Protection Relay REF 610 - APE Distribuidor ABB
Feeder Protection Relay REF 610 - APE Distribuidor ABB
Feeder Protection Relay REF 610 - APE Distribuidor ABB
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<strong>Feeder</strong> <strong>Protection</strong> <strong>Relay</strong><strong>REF</strong> <strong>610</strong>1MRS756295Stage q>FeatureValueSet full load current, I q0.30...1.50 x I nSet alarm level, q a> 50...100%Trip level, q t> 100 %Time constant, τ1...200 minOperate time accuracy I/I q>1.2±2% of the set operate time or ±1 sStage ΔI>FeatureValueSet start value, ΔI> at definite-time characteristic 10...100% ΔI =(I max-I min)/I max*100%Start time, typical100 msTime/current characteristics definite time operatetime, tΔ>1...300 sResetting time, maximum70 msDrop-off/pick-up ratio, typical 0.90Operate time accuracy• at definite-time characteristic ±2% of the set operate time or ±75msOperation accuracy• 10...100%±3% of the set start value and ±1 unitStage ARCFeatureStage ARCSet trip value ArcI>Operate timeArcI 0>Operate timeResetting timeOperation accuracyLightSensor>Activation time of LightSensor>Resetting timeValue0.5...35.0 x I n< 15 ms a)5.0...800% I n< 17 ms a)30 ms±7% of the set start value< 15 ms20 msa) Applies only if a signal output contact (SO1...5) is used. If a power output contact (PO1...3) is used, 2...3 ms willbe added. It is used only for alarm purposes.<strong>ABB</strong> 15
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