YFujian YihuaDiesel Generator Sets
Fujian Yihua
500 kVA Open Type Set (Cummins)

Key parameters

Rated power (prime)400 kW / 500 kVA
Standby power (110 %)440 kW / 550 kVA
Rated voltage400 / 230 V, three phase, four wire
Noise level100 dB(A) at 7 m
Net weight3,100 kg
Fuel consumption at 100 % load102 L/h
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500 kVA Open Type Set (Cummins)

400 kW / 500 kVA

Open frame set for plant duty where maintenance access and floor space are the priority.

Engine

Cummins DCEC

Alternator

YHG brushless

  • Open base frame for fast service access
  • Heavy duty air filter for dusty sites
  • Manual or automatic control panel
FactoryMine siteStandby power

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Technical specifications

The tables below cover the generator set, engine, alternator, control and protection system and the packaging that suits this model. Data shown is typical for this rating and configuration; the final datasheet is issued with the quotation.

Generator set

Typical data for this rating and configuration; the final datasheet is confirmed with the quotation.

Rated power (prime)400 kW / 500 kVA
Standby power (110 %)440 kW / 550 kVA
Frequency and speed50 Hz, 1500 rpm (60 Hz, 1800 rpm on request)
Rated voltage400 / 230 V, three phase, four wire
Power factor0.8 lagging
Voltage regulation+/- 1 % from no load to full load
Fuel consumption at 100 % load102 L/h
Fuel consumption at 75 % load78 L/h
Fuel tankOptional base tank, 820 L
Running time at 75 % load10.5 h per tank
Cooling systemWater cooled radiator, rated for 40 °C ambient
Starting system24 V DC electric starter with charging alternator
Overall dimensions (L x W x H)3,800 x 1,288 x 1,700 mm
Net weight3,100 kg
Noise level100 dB(A) at 7 m
Type approvalCE marked set, ISO 9001 certified factory
Warranty12 months or 1,000 running hours

Engine

Typical data for this rating and configuration; the final datasheet is confirmed with the quotation.

Engine brandCummins DCEC
Engine familyQSL9-G3
Cylinder arrangementIn-line 6
Displacement8.9 L
Bore x stroke114 x 145 mm
AspirationTurbocharged and aftercooled
GovernorElectronic
Lubrication oil capacity26.5 L
Cooling systemWater cooled, radiator rated for 40 °C ambient
Fuel typeDiesel, EN 590 / ASTM D975

Alternator

Typical data for this rating and configuration; the final datasheet is confirmed with the quotation.

AlternatorYHG brushless
ExcitationBrushless, self-excited with automatic voltage regulator
Rated capacity500 kVA
Voltage regulation+/- 1 % with AVR
Insulation classClass H
Protection classIP23, IP44 terminal box option
Bearing and couplingSingle bearing, flexible disc coupling to engine flywheel
Efficiencyabout 93 % at full load
Overload capacity110 % for 1 h in every 12 h duty cycle
Ambient and altitude40 °C ambient, up to 1,000 m without derating

Skid, base frame and package

Typical data for this rating and configuration; the final datasheet is confirmed with the quotation.

ConfigurationOpen skid, no canopy
Base frameHeavy channel steel base with anti-vibration mounts
Fuel systemOptional base tank, 820 L
Noise level100 dB(A) at 7 m
AccessOpen access for maintenance in plant rooms
LiftingLifting eyes and forklift slots on base frame

Control, protection and options

Typical data for this rating and configuration; the final datasheet is confirmed with the quotation.

ControllerAuto start AMF controller with LCD, three phase metering (SmartGen or ComAp confirmed on order)
Start modesAutomatic mains failure, manual and remote start
ProtectionsLow oil pressure, high coolant temperature, over and under speed, over current, low fuel level, battery voltage
Emergency stopPanel mounted emergency stop button
Battery24 V DC maintenance-free starting battery set
Battery chargerFloat charger with mains or engine driven option
Transfer switchOptional automatic transfer switch, wall or floor mounted
Exhaust systemIndustrial silencer with flexible bellows and rain cap
DocumentationOperation manual, load test report, wiring diagram
TestingLoad tested at rated output, test report issued with the set
Optional extrasRemote monitoring, paralleling panel, weatherproof control box, fuel polishing, dual voltage

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Tell us the site conditions, running hours and preferred engine brand. We will suggest the canopy, tank and control panel to match.

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