(based on diesel fuel with a specific gravity of 0.85 and conforming to BS2869, Class A2)
Exhaust System 50 Hz 60 Hz
Silencer Type: Level 1
Silencer Model & Qty: SD300 (1) Pressure Drop Across
Silencer System: kPa (in Hg) 0.30 (0.089)
- Silencer Noise Reduction
Level: dB 25 - Max. Allowable Back
Pressure: kPa (in. Hg) 9.3 (2.7) - Exhaust Gas Flow:
m³/min (cfm) -Standby: 245.0 (8652) -
-Prime: 245.0 (8652)
- Exhaust Gas Temperature: °C (°F)
m³/min (cfm) -Standby: 460 (860) -
-Prime: 460 (860)
P1250P1 / P1375E1
Alternator Performance Data
Motor Starting Capability* kVA
Short Circuit Capacity** %
Reactances: Per Unit
Xd X'd X''d
Reactances shown are applicable to prime ratings
Based on 30% voltage dip. Improved motor starting capability is available with optional Permanent Magnet generator or AREP excitation.
** With optional Permanent Magnet generator or AREP excitation.
Alternator Technical Data
Physical Data Operating Data
Manufacturer: FG WILSON
Overspeed: RPM 2250
Voltage Regulation (steady state) (%): + /- 0.5
No. of Bearings: 1
Wave Form NEMA = TIF: 50
Insulation Class: H
Wave Form IEC = THF: 2.0%
Winding Pitch Code: 2/3 - 6S
Total Harmonic Content LL/LN: 3.5%
Supression is in line with European Standard
Radio Interference: EN61000-6
Ingress Protection Rating: IP23
Radiant Heat: kW (Btu/min)
-50 Hz: 55.5 (3156)
-60 Hz: -
Excitation System: AREP
AVR Model: R449
P1250P1 / P1375E1
3 Phase Ratings and Performance at 50 Hz, 1500 RPM
3 Phase Ratings and Performance at 60 Hz- RPM
Voltage Prime Model Standby Model Voltage Prime Model Standby Model
P1250P1 P1375E1 - -
These ratings are applicable for supplying continuous electrical power (at variable load) in the event of a utility power failure. No overload is permitted on these ratings. The alternator on this model is peak continuous rated (as defined in ISO 8528-3).
These ratings are applicable for supplying continuous electrical power (at variable load) in lieu of commercially purchased power. There is no limitation to the annual hours of operation and this model can supply 10% overload power for 1 hour in 12 hours.
Standard Reference Conditions
Note: Standard reference conditions 27°C (80°F) Air Inlet Temp, 152.4m (500ft) A.S.L. 60% relative humidity. Fuel consumption data at full load with diesel fuel with specific gravity of 0.85 and conforming to BS2869: 1998, Class A2.
Weights and Dimensions
A full set of operation and maintenance manuals, circuit wiring diagrams, and commissioning/fault finding instruction leaflets.
Generating Set Standards
The equipment meets the following standards: BS5000, ISO 8528, ISO 3046, IEC 60034, VDE 0530, NEMA MG-1.22.
All equipment carries full manufacturer's warranty.