Генератор PRO28S B/4

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

• Compliance: EN 60034-1, IEC 60034-1, ISO 8528-3

Electrical Specifications:

• Rated Power at 50 Hz: 100 kVA

• Rated Power at 60 Hz: 120 kVA

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

• Rated current: 144.3 A

• Frequency: 50 / 60 Hz

• Phase: Three-phase

• Power factor: 0.8

• Efficiency:

– 91.1% at 50 Hz

– 92.3% at 60 Hz

• Short-circuit transient reactance X’’d: 0.076 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 output during load variation

Mechanical Specifications:

• Frame size: 28

• Dimensions:

– Length (L): 804 mm

– Height (H): 630 mm

– Width (W): 520 mm

• Shaft diameter: 42 mm

• Total weight: 259 kg

• Cooling: Shaft-mounted fan

• Mounting: Suitable for single-bearing generator coupling

Operational Performance:

• Excellent response to sudden load changes

• High efficiency reduces generator fuel consumption

• Suitable for continuous-duty and standby systems

• Compatible with resistive, inductive, and nonlinear loads

Applications:

• Industrial and commercial generator sets

• Emergency backup power systems

• Rental and construction sector gensets

• Telecom, utilities, infrastructure power support