Alternator MWL 18FL

18FL 1. Basic Data TypeMWL 18FLEfficiencyη0.8=70.6%/η1.0=78.3%Prime power8.8kW/11kVAStand by（27°C）8.5kW/10.6kVARated frequency50HzRated speed1500 rpmRated voltage400VRated current13.5AP.F.0.8(lagging)Phase3 Rated excitation voltageage62.9VRated excitation current2.82ACooled wayIC01Installation wayIMB34Ambient temperature40°CAltitude≤1000mInsulation classHExcitation system Shunt/ AREPPMGTerminals12AVR SMAVC6305ASMAVC6307BWinding ModelConcentric Static VoltageRegulation Rate±0.5%±0.5%Drip proofIP22Recovery Time /s<1<1 Over Speed Capacity≤2160 rpm Short-circuited CurrentCapacity /s-300%IN:10 Telephone Harmonic FactorTHF<2%Waveform Distortion RateTHD<3%<3%2. Electrical Data: Reactance (%) Time Constant (ms) Short circuit ratioKC0.5161Subtransient timeconstantT'ds0.0541Direct axisSynchronous reactanceXdPer unit3.0315Direct axis subtransient reactanceX"dPer unit0.177Quadra. axisSynchronous reactanceXqPer unit1.3521Quadra. axisSubtransient reactanceX"qPer unit0.1696Open circuit time constantTdos0.364Subtransient timeconstantT"ds0.0068 Direct axis transientreactanceX'dPer unit0.4502Zero sequencereactanceXoPer unit0.08075 Quadra. axis transientreactanceX'qPer unit1.3521Negative sequence reactanceX2Per unit0.1733