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Alternator PRO22S C/4

Linz Electric PRO22S C/4 Alternator – 85 kVA Three-Phase Brushless Synchronous Alternator

The PRO22S C/4 alternator from Linz Electric is a robust three-phase, 4-pole brushless synchronous alternator designed for industrial generator applications. Offering 85 kVA at 50 Hz and 102 kVA at 60 Hz, it provides stable voltage, low harmonic distortion, and reliable performance with Class H insulation and IP23 protection. Suitable for both standby and continuous-duty generator systems.

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Alternator Model

PRO22S C/4

50Hz (kVA)

85

60Hz (kVA)

102
Control Systemself-excited
A.V.R.HVR11-HVR30
Voltage Regulation± 1 %
Sustained Short Circuit> 250 % of rated current
Rated Power Factor0,8

  • General Characteristics:

    • Three-phase, 4-pole synchronous alternator

    • Brushless and self-excited

    • Electronic voltage regulation system

    • Rated speed: 1500 rpm (50 Hz) / 1800 rpm (60 Hz)

    • Cooling system: Self-ventilated axial fan

    • Protection degree: IP23

    • Insulation system: Class H

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

  • Electrical Specifications:

    • Rated Power (50 Hz): 85 kVA

    • Rated Power (60 Hz): 102 kVA

    • Voltage output: 400/230 V (50 Hz) / 480/277 V (60 Hz)

    • Rated current: 144.3 A

    • Phase: Three-phase

    • Power factor: 0.8

    • Frequency: 50 Hz / 60 Hz

    • Efficiency:

    – 90.3% at 50 Hz

    – 92.0% at 60 Hz

    • Transient reactance Xd’’: 0.062 p.u.

    • Harmonic distortion (THD): < 5%

    • Winding pitch: 2/3

  • Excitation & Regulation:

    • Brushless excitation system with auxiliary winding

    • Automatic Voltage Regulator (AVR) located inside terminal box

    • Stable voltage regulation under load variations

    • 12-lead reconnectable winding (star, series/parallel configurations)

  • Mechanical Specifications:

    • Frame size: 22

    • Dimensions:

    – Length (L): 824 mm

    – Height (H): 564 mm

    – Width (W): 450 mm

    • Shaft diameter: 42 mm

    • Weight: 244 kg

    • Cooling: Shaft-mounted fan

    • Mounting: Compatible with various generator bases and couplings

  • Operational Performance:

    • Designed for both prime and standby power applications

    • Maintains voltage stability during sudden load steps

    • High efficiency reduces generator fuel consumption

    • Suitable for inductive, resistive, and mixed loads

  • Applications:

    • Industrial generator sets

    • Backup and emergency power systems

    • Rental and construction gensets

    • Telecom, infrastructure, and utility power systems

Datasheet

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