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Alternateur PRO22M G/4

Alternateur Linz Electric PRO22M G/4 – Alternateur Synchrone Triphasé Haute Efficacité

Le PRO22M G/4 délivre 150 kVA à 50 Hz et 180 kVA à 60 Hz, avec THD < 3 % et un rendement jusqu’à 94 %. Doté d’une isolation classe H, IP23 et d’une excitation auto-excitée robuste, il est idéal pour les applications industrielles exigeantes.

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Puissance Principale (kVA / kW)

Puissance Standby (kVA / kW)

Vitesse (r.p.m)

Tension Standard (V)

Facteur puissance (Cos Phi)

  • General Characteristics:

    The Linz Electric PRO22M G/4 is a heavy-duty brushless, self-excited synchronous alternator designed for medium-to-large generator sets. Equipped with an AVR system (HVR11 / HVR30), it maintains voltage regulation within ±1%. It is designed for 1500 rpm (50 Hz) and 1800 rpm (60 Hz) operations and meets EN60034-1, ISO 8528-3, and EN55011 (EMC) standards.

  • Electrical Specifications:

    • Rated Power Output: 150 kVA (50 Hz) / 180 kVA (60 Hz)

    • Rated Voltage Range: 380–480 V (star)

    • Frequency: 50 Hz / 60 Hz

    • Rated Power Factor: 0.8

    • Efficiency: up to 94%

    • Total Harmonic Distortion (THD): <3%

    • Voltage Regulation: ±1%

    • Sustained Short-Circuit Capability: >250% rated current

    • Overload Rating: 110% for 1 hour every 6 hours

    • Cooling Air Requirement: 25–33 m³/min

    • EMC/RFI: EN55011 compliant

  • Winding & Excitation System:

    • Stator: Double-layer winding with auxiliary winding

    • Rotor: Wound rotor with damping cage

    • Winding Pitch: 2/3 for reduced THD

    • Number of Leads: 12

    • Stator Resistance: 0.016 Ω @ 20°C

    • Rotor Resistance: 1.70 Ω @ 20°C

    • Exciter Stator Resistance: 7.5 Ω

    • Exciter Rotor Resistance: 0.26 Ω

    • Excitation Current:

    – No-load: 1.90 A

    – Full load: 4.90 A

  • Reactances & Time Constants (50 Hz):

    • Xd: 140% – 95%

    • X’d: 14.5% – 9.5%

    • X’’d: 4.8% – 3.0%

    • Xq: 78% – 57%

    • T’do: 90 ms

    • T’d: 7 ms

    • T’’d: 5 ms

  • Mechanical Specifications:

    • Frame Configurations: B3, B3/B14, B3/B9

    • Weight: 370–395 kg

    • Moment of Inertia: 1.40–1.65 kg·m²

    • Bearings:

    – Drive End: 6313-2RS-C3

    – Non-Drive End: 6311-2RS-C3

    • Maximum Overspeed: 2250 rpm

    • Cooling: Self-ventilated airflow system

  • Performance & Efficiency:

    • 50 Hz Efficiency:

    – 25% load: ~92%

    – 50% load: ~93%

    – 75% load: ~94%

    – 100% load: ~94%

    • 60 Hz Efficiency: up to 94.5%

    • Transient Behavior:

    – Voltage dip <25% on sudden load

    – Recovery time <0.5 s

    • Low harmonic distortion due to 2/3 pitch winding

  • Environmental & Operating Conditions:

    • Rated Ambient Temperature: 40°C

    • Altitude Derating Above: 1000 m

    • Insulation Class: Class H (125°C rise)

    • Protection Level: IP23

    • Vibration and balance compliant with EN mechanical standards

  • Certifications:

    • EN60034-1

    • ISO 8528-3

    • EN55011

    • Optional UL1446, CSA-C22.2 No.100, UL1004-1 / UL1004-4

Datasheet

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