Transcription of SR4B Generators Standby
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SR4B Generators Standby
CATERPILLAR SR4B GENERATORG eneralClass H insulation (rotor, stator, and leads)Improved efficiencyMotor starting capability in excess of SkVA per continuous kWImproved wire & terminal identification ensuring reliable connectionsNew compact size reduction in lengthPerformance and design matched to Caterpillar enginesRadio frequency noise suppression better than industry standardsSix leads standard for differential protectionStandards: meets or exceeds the requirements of IEC 34-1, NEMA MG 1-22, BS4999, BS5000, VDE0530, UTE5100, , ISO8528-3 Superior construction and testingMechanicalFull cage constructionSix-hole power bus bars for convenient customer load connection Terminal box with DIN rail mounted terminal blocks Wet, layer wound rotors individually tested to 125% of rated speed; prototypes to 150% @ 170 C for two hoursStatorAnticondensation heaters standardOptimum winding pitch for minimum total harmonic distortionStandard voltages: 380V, 480V, & 600V @ 60 Hz; 380V, 400V, 415V, & 500V @ 50 HzVacuum impregnation insulation systemWindings coated with a fungus resistant resinExcitation SystemAdjustable voltage droop and paralleling capabilityImproved transient response with a standard V/HzregulatorSelf excitedVR3 automatic voltage
60 Hz 1000-2250 kW 1800 rpm SR4B Generators STANDARD FEATURES. The main rotor uses a precision “wet” layer wound process, with epoxy painted on the bare ... SR4B GENERATORS – 820 STANDBY. 50 Hz 1500 rpm Frame 822 824 825 826 Voltage 400 400 400 400 Ratings 130° C Rise kV•A 1500 1750 2000 2250
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