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ManualsBrandsCummins Manuals10kVA to 50kVA Three Phase Stationary Diesel Generators27.5kva Three Phase CPG Diesel Generator

Generator set data sheet

Model:

Frequency:

Fuel type:

C28 D5 (X-series)

50 Hz

Diesel

Spec sheet: SS26-CPGK

Noise data sheet (open/enclosed): ND50-OS550/ND50-CS550

Airflow data sheet: AF50-550

Derate data sheet (open/enclosed): DD50-OS550/DD50-CS550

Transient data sheet: TD50-550

Fuel consumption

Standby Prime

kVA (kW) kVA (kW)

Ratings

27.5 (22) 25 (20)

Load

1/4 1/2 3/4 Full 1/4 1/2 3/4 Full

gph

0.7 1.0 1.4 1.7 0.7 1.0 1.3 1.6

L/hr

2.8 3.8 5.2 6.5 2.7 3.6 4.8 6.0

Engine

Standby

rating

Prime

rating

Engine manufacturer

Cummins

Engine model

X2.5G2

Configuration

4 cycle, in-line, 3 cylinder diesel

Aspiration

Naturally aspirated

Gross engine powe

r output, kWm 27 24.37

MEP at set rated load, kPa 863.9 779.8

Bore, mm

91.4

Stroke, mm

127

Rated speed, rpm

1500

Piston speed, m/s

6.35

Compression ratio

18.5:1

Lube oil capacity, L

7.3

Overspeed limit, rpm

1725

Regenerative power, kW

Governor type

Mechanical - Std

Starting voltage

12 Volts DC

Fuel flow

Maximum fuel flow, L/hr

ximum fuel inlet restriction, mm Hg 73.66

Maximum fuel inlet temperature,

°C

Summary of content (3 pages)

PAGE 1
Generator set data sheet Model: Frequency: Fuel type: C28 D5 (X-series) 50 Hz Diesel Spec sheet: SS26-CPGK Noise data sheet (open/enclosed): ND50-OS550/ND50-CS550 Airflow data sheet: AF50-550 Derate data sheet (open/enclosed): DD50-OS550/DD50-CS550 Transient data sheet: TD50-550 Standby Prime Fuel consumption kVA (kW) kVA (kW) Ratings Load gph L/hr 27.5 (22) 1/4 0.7 2.
PAGE 2
Air Combustion air, m3/min Maximum air cleaner restriction, kPa Standby rating 2.30 4 Prime rating 2.30 660 3.38 660 Exhaust Exhaust gas flow at set rated load, m3/min Exhaust gas temperature, °C Maximum exhaust back pressure, kPa Standard set-mounted radiator cooling Ambient design, °C Fan load, kWm Coolant capacity (with radiator), L Cooling system air flow, m3/sec @ 12.7 mmH2O Total heat rejection, Btu/min Maximum cooling air flow static restriction mm H2O 50 0.95 15 0.
PAGE 3
Alternator data Connection1 3 phase 3 phase 1 phase Temp rise ºC 163/125 125/105 125/105 Duty2 S/P S/P S/P Alternator PI144F PI144G PI144G Voltage 380-416V 380-440V 220-240V Ratings definitions Emergency standby power (ESP): Limited-time running power (LTP): Applicable for supplying power to varying electrical load for the duration of power interruption of a reliable utility source. Emergency Standby Power (ESP) is in accordance with ISO 8528.