General Features:
Engine(DCEC Cummins 4BT3.9-G1 )
Radiator 50OC max, fans are driven by
belt, with safety guard
24V charge alternator
Alternator: single bearing alternator IP23,
insulation class H/H
Absorber
Dry type air filter, fuel filter, oil filter
Main line circuit breaker
Standard control panel
Two12V batteries, rack and cable
Ripple flex exhaust pipe, exhaust siphon, flange, muffler
User manual
Engine Data
Manufacturer / Model: DCEC Cummins 4BT3.9-G1 , 4-cycle
Air Intake System: Turbo,
Fuel System: A type fuel pump
Cylinder Arrangement: 4 in line
Displacement: 3.9L
Bore and Stroke: 102*120(mm)
Compression Ratio: 16.5:1
Rated RPM: 1500rpm
Max. Standby Power at Rated RPM: 40KW/54.4HP
Governor Type: RSV Mechanical(Std) / Electronic (Optional)
Exhaust System
Exhaust Gas Flow: 6.48m3/min
Exhaust Temperature: 487℃
Max Back Pressure: 10kPa
Air Intake System
Max Intake Restriction: 6.35kPa
Burning Capacity: 2.69m3/min
Air Flow: 146m3/min
Fuel System
100%( Prime Power) Load: 214 g/Kw.h
75%(Prime Power) Load: 223 g/Kw.h
50%(Prime Power) Load:: 244 g/Kw.h
100%( Prime Power) Load: 8.7L/h
Oil System
Total Oil Capacity: 11L
Oil Consumption: ≤4g/kwh
Engine Oil Tank Capacity: 9.5L
Oil Pressure at Rated RPM: 345kPa
Cooling System
Total Coolant Capacity: 21L
Thermostat: 82-95℃
Max Water Temperature: 104℃
Alternator SpecifiCAT-parts-partsion
GENERAL DATA
Compliance with GB755, BS5000, VDE0530, NEMAMG1-22, IED34-1,
CSA22.2 and AS1359 standards.
Alternator Data
Number of Phase: 3
Connecting Type: 3 Phase and 4 Wires, “Y” type connecting
Number of Bearing: 1
Power Factor: 0.8
Protection Grade: IP23
Altitude: ≤1000m
Exciter Type: Brushless, self-exciting
Insulation Class, Temperature Rise: H/H
Telephone Influence Factor (TIF): ＜50
THF: ＜2%
Voltage Regulation, Steady State: ≤±1%
Alternator Capacity: 37.5KVA
Alternator Efficiencies: 86.6%
Air Cooling Flow: 0.15m3/s
Generating set data:
Voltage Regulation: ≥±5%
Voltage Regulation, Stead State: ≤±1%
Sudden Voltage Warp (100% Sudden Reduce): ≤+25%
Sudden Voltage Warp (Sudden Increase): ≤-20%
Voltage Stable Time (100% Sudden Reduce): ≤6S
Voltage Stable Time (Sudden Increase) ≤6S
Frequency Regulation, Stead State: ≤5%
Frequency Waving: ≤1.5%
Sudden Frequency Warp (100% Sudden Reduce): ≤+12%
Sudden Frequency Warp (Sudden Increase): ≤-10%
Frequency Recovery Time (100% Sudden Reduce): ≤5S
Frequency Recovery Time (Sudden Increase): ≤5S
Options
Competitive Advantage:
High Performance of loading Easy start
Nice protection User-friendly operation
Low running cost Environmental Long service life
