Sincro FB2 2-pole Alternators for industrial gen-set. Brushless / AVR

FB2 2-Pole Alternators for Industrial Gen-Sets 3000-3600 rpm/ 3-phase, Brushless / AVR, IP23

Overview

The FB2 series comprises high-performance 2-pole synchronous brushless alternators specifically engineered for industrial generator applications. These compact units deliver reliable power outputs ranging from 12.5 to 19 kVA at 50 Hz (15 to 22.8 kVA at 60 Hz), making them ideal for smaller industrial power generation needs.

Key Technical Specifications

• Configuration: Three-phase or single-phase capability
• Speed: 3000 RPM (50 Hz) / 3600 RPM (60 Hz)
• Insulation Class: H
• Protection Degree: IP23 standard (higher protection available on request)
• Excitation System: Brushless
• Voltage Regulator: AVR BL4-u
• Voltage Regulation Accuracy: ±1%
• Terminal Connections: 6 leads
• Short Circuit Capacity: >250% of rated current

Performance Features

• Harmonic Distortion: <4.5% total harmonic content
• Telephone Harmonic Factor: <3%
• Transient Response: Voltage drop less than 18% for rated step load at 0.8 power factor
• Heavy-Duty Bearings: Dimensioned for demanding applications
• Efficiency: Up to 88.7% for optimal fuel economy

Available Models

• FB2 SA: 12.5 kVA (50 Hz) / 15 kVA (60 Hz)
• FB2 SB: 14 kVA (50 Hz) / 16.8 kVA (60 Hz)
• FB2 MA: 16.5 kVA (50 Hz) / 19.8 kVA (60 Hz)
• FB2 MB: 19 kVA (50 Hz) / 22.8 kVA (60 Hz)

Mounting Configurations

• Single bearing (SAE) design
• Double bearing (IM B34) option
• Multiple flange configurations (SAE 5, 4, 3)
• Various coupling options including cone and disk joint connections

Standards Compliance

Fully compliant with EN 60034-1, IEC 60034-1, and ISO 8528-3 standards. Electromagnetic compatibility according to EN 61000-6-2 and EN 61000-6-4.

Versatile Applications

The FB2 series alternators feature single-phase connection capability, making them suitable for diverse applications requiring either three-phase or single-phase power. Their robust construction ensures reliable performance in demanding industrial environments while maintaining excellent voltage stability.