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General Characteristics:
The Linz Electric E1X13M F/4 is a brushless, self-excited, three-phase synchronous alternator designed for professional and industrial generator applications. It features AVR-based regulation (models HVR11 or HVR30) that maintains ±1% voltage accuracy under all operating conditions. Built to comply with EN60034-1, ISO 8528-3, and EN55011, it delivers reliable operation in demanding environments.
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Electrical Specifications:
• Rated Power: 16.0 kVA (50 Hz) / 19.0 kVA (60 Hz)
• Rated Power Factor: 0.8
• Rated Voltage (Star Connection): 380–480 V
• Frequency: 50 Hz (1500 rpm) / 60 Hz (1800 rpm)
• Efficiency (Class H): up to 86.5% at full load
• Total Harmonic Distortion (THD): <3% (full load and no load)
• Voltage Regulation Accuracy: ±1%
• Sustained Short-Circuit Capability: >300% of rated current
• Overload Capacity: 110% of rated power for one hour per six-hour cycle
• Air Flow Requirement: 4.5 m³/min at 50 Hz, 5.1 m³/min at 60 Hz
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Winding and Excitation System:
• Stator: Double-layer winding with auxiliary winding
• Rotor: Damped rotor with cage construction
• Winding Pitch: 2/3
• Number of Stator Leads: 12
• Stator Winding Resistance: 0.64 Ω at 20°C
• Rotor Winding Resistance: 9.86 Ω at 20°C
• Exciter Stator Resistance: 16.5 Ω at 20°C
• Exciter Rotor Resistance: 2.15 Ω at 20°C
• Excitation Current: 0.58 A (no load) / 1.63 A (full load)
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Reactances and Time Constants (50 Hz):
• Xd (Direct Axis Synchronous): 288%
• X’d (Transient): 22.2%
• X’’d (Subtransient): 8.5%
• Xq (Quadrature Axis): 155%
• T’do (Open Circuit Field Time Constant): 402 ms
• T’d (Transient Time Constant): 31 ms
• T’’d (Subtransient Time Constant): 6 ms
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Mechanical Specifications:
• Frame Forms: B2, B3/B14, B3/B9
• Weight: 100 kg (B2) / 95.9 kg (B3/B14)
• Moment of Inertia: 0.091 kg·m² (B2) / 0.094 kg·m² (SAE 7½)
• Bearings: Drive End – 6208-2Z-C3 / Non-Drive End – 6305-2Z-C3
• Cooling Method: Self-ventilated air cooling
• Maximum Overspeed: 2250 rpm
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Performance and Efficiency:
• Efficiency: 80.0% at 25% load, 85.1% at 50% load, 86.4% at 75% load, 86.5% at full load
• Voltage Dip (Transient Load Step): <25% with recovery time <0.5 s
• Excellent frequency and voltage stability under dynamic load variations
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Environmental and Operational Conditions:
• Ambient Temperature: 40°C nominal
• Altitude Derating: Begins above 1000 m
• Insulation Class: H (125°C rise)
• Protection Degree: IP21
• Cooling Air Flow: 4.5–5.1 m³/min depending on frequency
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Certifications and Compliance:
• Standards: EN60034-1, ISO 8528-3, EN55011
• Optional Certifications: UL 1446, CSA-C22.2 No.100, UL1004-1, UL1004-4
