Генератор PRO35S D/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

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

Electrical Specifications

• Rated Power at 50 Hz: 550 kVA

• Rated Power at 60 Hz: 660 kVA

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

• Rated current: 273.5 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: 0.066 p.u.

• Harmonic distortion: < 5%

• Winding pitch: 2/3

Excitation & Voltage Regulation

• Brushless excitation with auxiliary winding

• AVR located inside terminal box

• 12-lead reconnectable winding

• Stable voltage control during load variations

Mechanical Specifications

• Frame size: 35

• Dimensions:

  • Length (L): 993 mm

  • Height (H): 690 mm

  • Width (W): 560 mm

• Shaft diameter: 55 mm

• Total weight: 389 kg

• Cooling: Shaft-mounted fan

• Mounting: Suitable for single-bearing generator coupling

Operational Performance

• Excellent voltage recovery during sudden load application

• High efficiency contributes to improved fuel performance

• Suitable for continuous-duty and standby power systems

• Performs efficiently with resistive, inductive, and nonlinear loads

Applications

• Industrial generator units

• Commercial backup and emergency systems

• Rental and construction gensets

• Telecom, utilities, and infrastructure power backup