A.C. Brushless Alternator

1. Basic Data Rated frequency/voltage50Hz/400Rated speed1500 rpmP.F.0.8(lagging)Phase3Cooled wayIC01Installation wayIMB34Ambient temperature40°CAltitude≤1000mInsulation classHExcitation systemShunt/ AREPPMGTerminals12AVR SMAVC6305SMAVC6307BWinding ModelConcentricStatic VoltageRegulation Rate±0.5%±0.5%Protection levelIP22Recovery Time /s<1<1Over Speed Capacity≤2160 rpmShort-circuited Current Capacity /s-300%IN:10THF<2%THD<3%<3%2. Electrical Data: Reactance (%) Time Constant (ms)Short circuit ratioKC 0.4706Subtransient time constantT'ds0.045Direct axis Synchronous reactanceXdPer unit3.2123Direct axis Subtransient reactanceX"dPer unit0.2185Quadra. Axis transient reactanceXqPer unit1.4474Quadra. Axis Subtransient reactanceX"qPer unit0.2107Open circuit time constantTdos0.282Subtransient time constantT"ds0.0056Direct axis transient reactanceX'dPer unit0.5125Zero sequence reactanceXoPer unit0.1038Quadra. axis transient reactanceX'qPer unit1.4474Negative sequence reactanceX2Per unit0.2146