400KW 500kVA Cummins Diesel Generator Set Technical Specifications

Jul. 19, 2025

Technical data of 400KW 500kVA Cummins Diesel Generator Set

 

Genset Model: DB-400GF

Rated power:400KW/500kVA

Standby power:440kW/550kVA

Engine: Cummins QSZ13-G3

Alternator: Shanghai Stamford GR355D

Controller: SmartGen HGM6110N-4G-G

 

400KW 500kVA Cummins Diesel Generator Set Technical Specifications


Configuration Features of 500kVA Cummins generator set
Engine: Cummins QSZ13-G3,  meet GB 20891-2014 China Stage II emission requirementsAlternator: Single bearing, IP23 protection, H class insulation.
50℃ original water radiator, cooling fan, with fan safety coverAir 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
440/2545030.8656440kW/550kVA400KW/500kVA
415/2405030.8695440kW/550kVA400KW/500kVA
400/2305030.8720440kW/550kVA400KW/500kVA
380/2205030.8759440kW/550kVA400KW/500kVA


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-G3
Air intake system:Turbocharged & Charge air cooled
Fuel system:HPCR
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:450kW/603hp
Engine maximum power:470kW/629hp
Governor system:Electronic Governor
Noise:102.3dB
Exhaust system
Exhaust Gas Flow:81.8m³/min
Exhaust Gas Temperature:530°C
Maximum Back Pressure:13kpa
Air intake/ Exhaust system
Maximum Intake Air Restriction:6.2kPa
Inlet Air Flow:30.7m³/min
Exhaust air rate:588m³/min
Fuel system
Fuel Consumption @ 100%prime power193g/kW•h101.0L/h
Fuel Consumption @ 75%prime power189g/ kW•h74.2L/h
Fuel Consumption @ 50%prime power187g/ kW•h48.9L/h
Lubrication system
Minimum Required Lube System Capacity:46L
Oil Capacity with Oil Pan:42.3~45.1L
Cooling System
Coolant Capacity:64L
Maximum Top Tank Temperature for Prime Power:104°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:400KW/500kVA
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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