Output capacity (kVA)

25/31.25

Output power (kW)

20/25

Power factor

0.8 (lagging)

Frequency (Hz)

50

Output voltage (V)

400 / 230

Maximum (long-term/standby) output current (A)

36/45

Unit dimensions (length × width × height) (mm)

1550*630*1150

Unit net weight (kg)

650

Diesel engine

Manufacturer

Weichai Power Co., Ltd.

Model

WP2.3ND28E310

Rated speed (RPM)

1500

Number of cylinders

4

Output power (kW)

25/27.5

Cylinder arrangement

V

Fuel specifications and grade

China 0# (light diesel)

Bore/stroke (mm)

89*92

Fuel consumption (L/h)

299

Total cylinder capacity (L)

50.3

Fuel consumption (g/kwh)

≤210

Compression ratio

17.5:1

Lubricating oil specifications and grade

API-CD grade and above

Intake method

Turbocharged

Total lubricating oil capacity (L)

8

Speed control method

Electronic controlled high-pressure common rail

Lubricating oil consumption (L/h)

1.725

Thermostat adjustment temperature range (°C)

Electric start DC12V

Normal operating temperature of lubricating oil (°C)

110

Allowable maximum back pressure (KPa)

10

Maximum exhaust temperature (°C)

550

Cooling method

Closed-loop water cooling

Intake air flow (m3/min)

62.5/67.6

Coolant capacity (L)

5

Exhaust gas flow (m3/min)

176.2/193.5

Normal operating temperature of cooling water (°C)

83-95

Air consumption (m3/min)

113.7

Cooling water flow (L/sec)

5.4

Radiator dimensions (length × width × height) (mm)

410×1745×2025

Generator

Manufacturer

Jiangsu Weiming Power Generation Equipment Co., Ltd.

Model

WM 48OF

Excitation method

Brushless self-excited (PMG optional)

Voltage adjustment range

≥±5%

Steady-state voltage regulation rate

≤±1.0%

Temperature rise

H

Voltage control method

AVR

Insulation class

H

Overload capacity

1.5 times for 2 minutes

Protection class

IP22

Short-circuit capacity

3 times for 10 seconds

Efficiency

95.7%

Cooling method

Self-cooled

Telephone interference coefficient

THF<2%, TIF<50

Rotor type

Salient-pole type