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dingbo@dieselgeneratortech.com
+86 134 8102 4441
Jul. 23, 2025
Technical data of 320kW/400kVA Cummins Diesel Generator Set
Genset Model: DB-320GF
Rated power:320kW/400kVA
Standby power:360kW/450kVA
Engine: Cummins QSZ13-G7
Alternator: Shanghai Stamford GR314F
Controller: SmartGen HGM6110CAN-4G-G
| Configuration Features | |
| Engine: Cummins QSZ13-G7, meet GB 20891-2014 China Stage III emission requirements | Alternator: Single bearing, IP23 protection, H class insulation. |
| 50℃ original water radiator, cooling fan, with fan safety cover | Air filter, fuel filter, oil filter |
| Chassis and vibration absorber | Standard control panel (integrated) |
| 24V charging generator | Gas exhaust bellows, gas exhaust elbows, industrial silencers and standard parts for connections |
| Electronic Governor | Accompanying documentation |
| Maintenance-free lead-acid batteries and battery connection cables | |
| Different voltage levels | ||||||
| Voltage (V) | Frequency (Hz) | Phase | Power factor | Current( A) | Standby power | Prime Power |
| 440/254 | 50 | 3 | 0.8 | 525 | 360kW/450kVA | 320kW/400kVA |
| 415/240 | 50 | 3 | 0.8 | 556 | 360kW/450kVA | 320kW/400kVA |
| 400/230 | 50 | 3 | 0.8 | 577 | 360kW/450kVA | 320kW/400kVA |
| 380/220 | 50 | 3 | 0.8 | 608 | 360kW/450kVA | 320kW/400kVA |
Prime power (PRP): is available for an unlimited number of annual hours in variable load application, in accordance with GB/T 2820 (eqv ISO 8528); A 10% overload capacity is available for a period of 1 hour within a 12-hour period of operation.
Standby power (ESP): is the maximum power limit for emergency use and cannot be overloaded, i.e. the fuel cut-off power.
| Engine Specifications | ||
| Manufacturer & engine Model: | Cummins QSZ13-G7 | |
| Air intake system: | Turbocharged & Charge air cooled | |
| Fuel system: | High pressure common rail | |
| Cylinders no. & Type: | 6 Cylinders, in line | |
| Displacement: | 13.0L | |
| Bore x Stroke: | 130×163mm | |
| Compression Ratio: | 17:1 | |
| Engine Speed: | 1500rpm | |
| Engine minimum power: | 367kW /491hp | |
| Engine maximum power： | 419kW/561hp | |
| Governor system: | Electronic Governor | |
| Noise: | 102.3dB | |
| Exhaust system | ||
| Exhaust Gas Flow: | 36.9kg/min | |
| Exhaust Gas Temperature: | 513°C | |
| Maximum Back Pressure: | 10kpa | |
| Air intake/ Exhaust system | ||
| Maximum Intake Air Restriction: | 6.2 kPa | |
| Intake Air Flow: | 30m³/min | |
| Fuel system | ||
| Fuel Consumption @ 100%prime power | 209/kW•h | 89.2L/h |
| Fuel Consumption @ 75%prime power | 225g/ kW•h | 72L/h |
| Fuel Consumption @ 50%prime power | 248g/ kW•h | 52.9L/h |
| Lubrication system | ||
| Total system capacity (standard pan): | 75.33L | |
| Cooling System | ||
| Coolant Capacity (Engine Only) | 23.1 L | |
| Maximum coolant temperature - engine out: | 102°C | |
| Alternator Specifications | |
| Meet BS5000, VDE0530, NEMAMG1-22, IEC34, CSA C22 and AS1359 standards | |
| Technical Data | |
| Phase: | 3 |
| Wire connecting method: | Y type, 3 phase 4 wire |
| Bearing： | 1 |
| Power Factor: | 0.8 |
| Protection: | IP23 |
| Altitude requirements: | ≤1000m |
| Exciter type: | Brushless Self-Excited |
| Insulation/temperature rise class: | H/H |
| Waveform TIF: | <50 |
| Waveform THF: | <2% |
| Rated Power/Capacity: | 320KW |
| Efficiency: | 93.7% |
| Genset Technical Specifications | |
| Voltage adjustment rate: | ≥±5% |
| Steady-state voltage regulation rate: | ≤±1% |
| Transient voltage deviation (100% sudden power reduction): | ≤+25% |
| Transient voltage deviation (sudden power increase): | ≤-20% |
| Voltage stability time (100% sudden power reduction): | ≤6S |
| Voltage stability time (sudden power increase)： | ≤6S |
| Frequency adjustment rate: | 0-5% |
| Steady-state frequency band: | ≤1.5% |
| Transient frequency deviation (100% sudden power reduction)： | ≤+12% |
| Transient frequency deviation (sudden power increase)： | ≤-10% |
| Frequency stability time (100% sudden power reduction): | ≤5S |
| Frequency stability time (sudden power increase): | ≤5S |
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