Perkins 2806A-E18TAG2 Diesel Generator with Leroy Somer / Stamford Alternator

The Perkins 2806A-E18TAG2 diesel generator is engineered to deliver exceptional performance in industrial power generation. This robust unit is powered by a 6-cylinder, 4-stroke, turbocharged diesel engine with air-to-air after-cooling and electronic governing (G2 Class, ISO 8528 Part 1). With a displacement of 18.1 liters and a compression ratio of 14.5:1, the engine ensures high torque output, fuel efficiency, and stability across load conditions. Overspeed protection is set at 2250 rpm, and the system includes a 70AMP, 24V dynamic charging alternator.

The generator features an AQT I Leroy Somer or Stamford alternator, model options AQT I TAL-047-F and HCI544F, built for high durability and output. These 4-pole alternators with 6 winding leads utilize a single-bearing design and offer self-excited operation via AVR R150. Voltage regulation is maintained at ±1%, with a harmonic coefficient (THF) under 2% and telephone influence factor (TIF) below 50, ensuring clean and stable power. The alternator's cooling airflow is rated at 0.9 m³/sec, with IP23 protection and Class H insulation for operation in industrial environments.

This generator is fully compliant with ISO 3046, BS 5514, DIN 6271, BS 5000, IEC 60034, IEC 60947-2, and NEMA-MGI standards, and supports dual-frequency operation at 50 Hz / 400V and 60 Hz / 480V.

Specifications:

– Engine Make: Perkins
– Engine Model: 2806A-E18TAG2
– Number of Cylinders: 6, vertical in-line
– Cycle: 4 Stroke
– Aspiration: Turbocharged with air-to-air after-cooling
– Cooling Method: Water cooled
– Governing Type: Electronic
– Governing Class: G2 — ISO 8528 Part 1
– Compression Ratio: 14.5:1
– Displacement: 18.1 liters
– Bore x Stroke: 145 mm x 183 mm
– Dynamic Charging Alternator: 70AMP, 24V
– Overspeed Limit: 2250 rpm
– Alternator Make: AQT I Leroy Somer | Stamford
– Alternator Model: AQT I TAL-047-F | HCI544F
– Number of Poles: 4
– Number of Winding Leads: 6
– Type of Bearing: Single Bearing
– Insulation Class: Class H
– Temperature Rise: 125°C at 40°C ambient
– Ingress Protection Rating: IP23
– Excitation System: Self Excited
– Automatic Voltage Regulator (AVR): R150
– Voltage Regulation: ±1%
– Harmonic Coefficient (THF): < 2%
– Telephone Influence Factor (TIF): < 50
– Cooling Air Flow: 0.9 m³/sec

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