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General Characteristics:
• Three-phase synchronous alternator
• 4-pole, brushless, self-excited
• Electronic AVR voltage regulation
• Rated speed: 1500 rpm (50 Hz) / 1800 rpm (60 Hz)
• Cooling: Self-ventilated
• Protection degree: IP23
• Insulation class: H
• Standards: EN 60034-1, IEC 60034-1, ISO 8528-3
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Electrical Specifications:
• Rated Power at 50 Hz: 250 kVA
• Rated Power at 60 Hz: 300 kVA
• Rated voltage: 400/230 V (50 Hz) / 480/277 V (60 Hz)
• Rated current: 201.8 A
• Power factor: 0.8
• Frequency: 50 / 60 Hz
• Phase: Three-phase
• Efficiency:
– 91.4% at 50 Hz
– 92.7% at 60 Hz
• Short-circuit transient reactance X’’d: 0.060 p.u.
• Harmonic distortion: < 5%
• Winding pitch: 2/3
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Excitation & Regulation:
• Brushless excitation with auxiliary winding
• AVR installed inside the terminal box
• 12-lead reconnectable stator winding
• Stable voltage regulation under load steps
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Mechanical Specifications:
• Frame size: 28
• Dimensions:
– Length (L): 973 mm
– Height (H): 630 mm
– Width (W): 520 mm
• Shaft diameter: 55 mm
• Total weight: 331 kg
• Cooling: Shaft-mounted fan
• Mounting: Suitable for single-bearing generator coupling
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Operational Performance:
• Stable voltage recovery during sudden load application
• High efficiency enhances genset fuel economy
• Suitable for continuous or standby service
• Compatible with resistive, inductive, and nonlinear loads
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Applications:
• Industrial generator systems
• Commercial backup and emergency power
• Rental and construction gensets
• Telecom, utilities, infrastructure support
