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Generator Sets with Dual Fuel Engines of 36/45 Series
Generator sets with dual fuel engines serve as main and standby sources of electrical power for industrial enterprises and settlements.
Specification
|
Generator set brand |
DG68D
|
DG98D
|
|
Generator set:
|
|
|
|
Power, kW
|
800
|
1000
|
|
Rotational speed, c-1 (rpm)
|
6,25 (375)
|
8,33 (500)
|
|
Current type
|
Alternating, three-phase, 50 Hz
|
|
Voltage, V
|
400, 6300
|
400, 6300, 10500
|
|
Engine:
|
G68D
|
G98D
|
|
Engine type
|
Dual fuel, four-stroke, in-line, vertical, reciprocating, irreversible, with gas-turbine supercharging and charged air cooling
|
|
Cylinder bore, mm
|
360
|
|
Piston stroke, mm
|
450
|
|
Compression ratio
|
11-12
|
|
Specific heat consumption at rated power, J/kW·h (kcal/hp·h)
|
1.06*107 ± 5 % (1895 + 5 %)
|
0.927*107 ± 5 % (1660 + 5 %)
|
|
Rated power, KW
|
850
|
1050
|
|
Rated rotation speed, rpm
|
375
|
500
|
|
Dual fuel engine rotation speed regulation, within, rpm
|
120…375
|
350…500
|
|
Natural gas hourly consumption, nm3/h
|
230…250
|
230…280
|
|
Ignition diesel fuel hourly consumption, kg/h
|
20…30
|
26…36
|
|
Specific diesel fuel consumption at rated power during operation per compression ignition cycle, g/kW·h
|
180+10
|
235+10
|
|
Specific oil consumption for burn-off loss, g/kW·h
|
1,25
|
|
Main fuel:
|
|
|
|
- natural gas with methane content, %
|
92…100
|
- accompanying gas with content of, %
- methane, not less than
- ethane, not more than
- propane and butane, not more than
- heavier hydrocarbons, not more than
|
78
5
8
1,5
|
|
The gas shall not contain water and gas condensate.
Content of mechanical impurities, not more than, g / m3
|
0,001
|
|
Gas pressure, not less than, MPa
|
0,1
|
|
Ignition fuel
|
Diesel fuel, GOST 305-82
|
|
Oil
|
Motor oil, M14V2, M14G2TSS GOST 12337
|
|
Weight (without fly wheel, dry), kg
|
26480+1300
|
Assigned life, hour:
- until pistons taking out
- until capital repair
Service life, years
|
12000
60000
25
|
12000
60000
25
|
|
Generator set brand |
DG68D
|
DG98D
|
|
Generator:
|
|
|
|
Generator type
|
SGD2-17-44-16
(SGD2-17-50-16)
|
SGD2M-17-44-16
(SGD2M-17-50-16)
|
SGSB 900K-12N1
|
SGSB 900K-12V2
|
SGSB 900K-12V4
|
|
Rated power, KW
|
800
|
1000
|
|
Rotation speed, rpm
|
375
|
500
|
Voltage, V
Efficiency
Weight, kg 400
|
400
0,94 (0,945)
6100 (6830)
|
6300
0,94 (0,945)
5900 (6850)
|
400
0,954
7400
|
6300
0,952
7200
|
10500
0,959
7200
|
|
Excitation system type
|
Static excitation system
|
Brushless excitation system
|
|
|
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