Генератор PRO28M F/4

General Characteristics:

• Three-phase synchronous alternator

• 4-pole, brushless, self-excited

• Electronic AVR 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

Electrical Specifications:

• Rated Power at 50 Hz: 180 kVA

• Rated Power at 60 Hz: 216 kVA

• Rated voltage: 400/230 V (50 Hz) / 480/277 V (60 Hz)

• Rated current: 259.0 A

• Power factor: 0.8

• Frequency: 50 / 60 Hz

• Phase: Three-phase

• Efficiency:

– 92.7% at 50 Hz

– 93.7% at 60 Hz

• Transient reactance X’’d: 0.053 p.u.

• Harmonic distortion (THD): < 5%

• Winding pitch: 2/3

Excitation & Regulation:

• Brushless excitation with auxiliary winding

• AVR installed inside terminal box

• 12-lead reconnectable winding

• Stable voltage regulation under load variation

Mechanical Specifications:

• Frame size: 28

• Dimensions:

– Length (L): 973 mm

– Height (H): 690 mm

– Width (W): 540 mm

• Shaft diameter: 55 mm

• Weight: 416 kg

• Cooling: Shaft-mounted fan

• Mounting: Suitable for single-bearing generator coupling

Operational Performance:

• Withstands sudden load application with stable voltage recovery

• High efficiency supports fuel savings in genset operation

• Suitable for continuous-duty and standby configurations

• Performs reliably under resistive, inductive, and nonlinear loads

Applications:

• Industrial gensets

• Backup and emergency power

• Rental fleet and construction power

• Utility, telecom, infrastructure systems