WM-S250 unit technical data


Output capacity (kVA)

562.5/625

Output power (kW)

450/500

Power factor

0.8 (lagging)

Frequency (Hz)

50

Output voltage (V)

400 / 230

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

810/900

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

3500×1485×1958

Unit net weight (kg)

3940

Diesel engine

Manufacturer

Shanghai Diesel Engine Co., Ltd.

Model

SC27G755D2

Rated speed (RPM)

1500

Number of cylinders

12

Maximum output power (kW)

: 555

Cylinder arrangement

V

Fuel specifications and grade

China 0# (light diesel)

Bore/stroke (mm)

135/155

Fuel consumption (g/kwh)

220

Total cylinder capacity (L)

26.6

Lubricating oil specifications and grade

API-CD grade and above

Compression ratio

16:1

Total lubricating oil capacity (L)

65

Intake method

Air-to-air cooling

Lubricating oil consumption (g/kwh)

0.4

Governing method

Electronic governing

Maximum exhaust temperature (°C)

650

Starting method

Electric start DC24V

Minimum intake pressure (KPa)

2.49

Allowable maximum back pressure (kPa)

6

Air consumption (m3/min)

41.3

Cooling method

Water-cooled

Intake volume (m3/min)

43.4

Total cooling water capacity (L) (engine capacity only)

151

Exhaust Smoke (FSN)

≤1.5

Maximum outlet water temperature (°C)

95

Governing rate (%)

0~5

Cooling water flow (L/sec)

5.82

Noise dB(A)

118

Generator

Manufacturer

Jiangsu Weiming Power Generation Equipment Co., Ltd.

Model

WM450

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

94.2%

Cooling method

Self-cooled

Telephone interference coefficient

THF<2%, TIF<50

Rotor type

Salient-pole type

Note: The above technical data is for reference only. Our company will not be held responsible for any changes in technical parameters due to various reasons.

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