Yunnei engines are certified to STAGEV (Euro 5) standards for power generators with outputs of up to 130 kW.
Diesel Genset
Model: HPYU04022
 Prime Power: 22 kW / 28 kVA
 Elevation: ≤ 1000 m
 Voltage: 400 V
 Current: 39.69 A
 Frequency: 50 Hz
 Speed: 1500 rpm
 Fuel Oil: 0#, -10#
 Dimensions: 2100 × 950 × 1200 mm
 Weight: 850 kg
Steady-state voltage regulation: ≤ ±1%
 Voltage fluctuation rate: ≤ ±0.5%
 Transient voltage regulation: +20% / −15%
 Voltage settling time: ≤ 1 s
Steady-state frequency regulation: ≤ ±1%
 Frequency fluctuation rate: ≤ ±0.5%
 Transient frequency regulation: +10% / −7%
 Frequency stability time: ≤ 3 s
Fuel consumption (100% load): ≤ 208 g/kW·h
 Noise level (LP7m): ≤ 68 dB
Diesel Engine
Brand: Yunnei (Euro 5)
 Engine Model: DEF20CRA4
 Rated Power: 28 kW
 Cooling Type: Water-cooled
 Oil supply: TDI turbo
 Speed control: Electronic speed governor
 Number of cylinders: 4
 Aspiration: Naturally aspirated
 Bore × Stroke: 81 × 97 mm
 Displacement: 2.0 L
 Compression ratio: (17.5 ± 1) : 1
 Overload capacity: 110%
 Starting system: DC 12 V electric start
 Rated speed: 1500 rpm
Brushless Alternator
Brand: HELVETICA POWER
 Model: HP 184F (Copy Stamford)
 Type: Brushless, 100% copper
 Prime Power: 22 kW / 28 kVA
 Voltage: 230 V / 400 V
 Frequency: 50 Hz
 Power factor: cos φ = 0.8
 Insulation class: Class H
 Protection level: IP23
 Connection mode: Three-phase, four-wire
 Voltage regulation: AVR (Automatic Voltage Regulator)
Others
Type: Super silent
 Controller: Included
 Remote control: Included
 ATS: Included
 Packing: Plastic film + tarpaulin cover