220kW 275kVA Cummins QSL8.9-G34 Diesel Generator Set Technical Specifications

Jul. 23, 2025

Technical data of 220kW/275kVA Cummins Diesel Generator Set

 

Genset Model: DB-220GF

Rated power:220kW/275kVA

Standby power:240kW/300kVA

Engine: Cummins QSL8.9-G34

Alternator: Shanghai Stamford GR270L

Controller: SmartGen HGM6110CAN-4G-G


220kW 275kVA Cummins QSL8.9-G34 Diesel Generator Set Technical Specifications


Configuration Features
Engine: Cummins QSL8.9-G34, Meet GB 20891-2014 China Stage III emission requirementsAlternator: Single bearing, IP23 protection, H class insulation.
40/50°C genuine radiator with cooling fan and fan safety guardAir filter, fuel filter, oil filter
Chassis and vibration absorberStandard control panel (integrated)
 24V charging generatorGas exhaust bellows, gas exhaust elbows, industrial silencers and standard parts for connections
Electronic GovernorAccompanying documentation
Maintenance-free lead-acid batteries and battery connection cables


Different voltage levels
Voltage (V)  Frequency (Hz) PhasePower factor Current( A)Standby powerPrime Power
440/2545030.8360240kW/300kVA220kW/275kVA
415/2405030.8382240kW/300kVA220kW/275kVA
400/2305030.8396240kW/300kVA220kW/275kVA
380/2205030.8417240kW/300kVA220kW/275kVA


Prime power (PRP): According to GB/T 2820 (equivalent to ISO 8528), the generator can operate unlimited hours within a specified power range, allowing a cumulative 10% overload for 1 hour every 12 hours of operation.

 

Standby power(ESP): Standby power represents the maximum power limit for emergency use. It shall not be exceeded and is equivalent to the fuel cut-off power. 


Engine Specifications
Manufacturer & engine Model:Cummins QSL8.9-G34
Air intake system:Turbocharged & Charge Air Cooled
Fuel system:HPCR
Cylinders no. & Type:6 cylinders, in-line
Displacement:8.9L
Bore x Stroke:116.5×144.5mm
Compression Ratio:16.8:1
Engine Speed:1500rpm
Engine minimum power:255kW / 341hp
Engine maximum power:280kW / 375hp
Governor system:ECU
Exhaust system
Exhaust gas flow:20.5m³/min 
Exhaust Gas Temperature:596°C
Maximum Back Pressure:10kpa
Air intake/ Exhaust system
Maximum Intake Air Restriction:6.2kPa
Inlet air flow:14.22m³/min
Exhaust air flow:327 m³/min
Fuel system
Fuel Consumption @ 100% prime power197g/kW·h      58.4L/h
Fuel Consumption @ 75% prime power203g/ kW·h   45.1L/h
Fuel Consumption @ 50% prime power224g/ kW·h   33.2L/h
Lubrication system
Total Lube System Capacity :28.1L
Engine Oil Consumption rate:≤0.4g/kwh
Sump oil capacity17.8~23.5L
Cooling System
Total Coolant Capacity:57L
Coolant Capacity- engine only11
Maximum coolant temperature - engine out:105°C


Alternator Specifications
Meet BS5000, VDE0530, NEMA MG1-22, 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 lag
Protection:IP23
Altitude requirements:≤1000m
Exciter type:Brushless Self-Excited
Insulation/temperature rise class:H/H
Waveform TIF<50
Waveform THF<2%
Rated Capacity:220kW/275kVA
Efficiency:90%
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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