(1)Specification of genset
|
Model
Item
|
NSC625G
|
|
| |
|
Rated power (kW/KVA)
|
500/625
|
|
|
Rated Voltage (V)
|
230/400
|
|
|
Frequency (Hz)
|
50
|
|
|
Rated speed (Rpm)
|
1500
|
|
|
Power factor
|
0.8(lagging)
|
|
|
Engine model
|
HGK38 Cummins KTA38
|
|
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Alternator model
|
LSA49.1S4 (France brand Leroy Somer)
|
|
|
Control Panel
|
DSE7320
|
|
|
Controlling way
|
Automatically
|
|
|
Genset working way
|
Continuously Running
|
|
|
Inspiration
|
Natural
|
|
|
Cooling system
|
Co generation system
|
|
|
Starting system
|
24VDC Electric motor
|
|
|
Governoring
|
Electronic
|
|
|
Insulation Class
|
H
|
|
|
Voltage Stabilized regulation
|
≤±1.5%
|
|
|
Voltage Instantaneous regulation
|
≤±20%
|
|
|
Voltage Recovery time（S）
|
≤1
|
|
|
Voltage Fluctuation ratio
|
≤1%
|
|
|
Voltage Wave aberration ratio
|
≤5%
|
|
|
Frequency Stabilized regulation
|
≤1%(adjustable)
|
|
|
Frequency Instantaneous regulation
|
-10%～12%
|
|
|
Frequency Recovery time（S）
|
≤7
|
|
|
Frequency Fluctuation ratio
|
≤1%
|
|
|
Generator Insulation class
|
H
|
|
|
Noise level-Open type（dBA）
|
≤100
|
|
|
Noise level-Silent type (dBA)
|
≤80
|
|
(2) Specification of Gas engine
|
Engine model
|
HGK38 (Cummins KTA38)
|
|
Type
|
Inline, four stroke, electronic-control spark plug ignition, water-cooling, wet cylinder jacket, premix proper ratio of air and gas before combustion
|
|
Rated Speed
|
1500RPM
|
|
Rated Power (KW/KVA)
|
580 / 725
|
|
Type
|
V type, four stroke, electronic-control spark plug ignition
|
|
Cylinder Type
|
Wet Type
|
|
Number of cylinders
|
12
|
|
Bore (mm)
|
159
|
|
stroke (mm)
|
159
|
|
Displacement
|
37.8
|
|
Compression ratio
|
9：1
|
|
Dry weight（kg）
|
3798
|
|
Dimension (mm)（LXWXH）
|
3800X1630X2000
|
|
Fly wheel
|
|
Rotation
|
Counter clockwise viewed from Flywheel
|
|
Fly wheel housing
|
SAE 0#
|
|
Fly wheel
|
SAE 18#
|
|
Mechnical structure
|
|
Type
|
Over head valve
|
|
Number of valve
|
Intake 2, exhaust 2 per cylinder
|
|
Fuel consumption (Biogas)（Nm3/h）
|
|
25%
|
116.5
|
|
50%
|
183.5
|
|
75%
|
274.5
|
|
100%
|
333.5
|
|
Fule System
|
|
Mixer
|
CW-500 Wenckebach Mixer
|
|
Gas regulator
|
J48（2″）0.5-1.5Kpa
|
|
Max. inlet pressure (Zero valve)
|
50kPa
|
|
Max. inlet pressure ( Pressure regulating valve)
|
35kPa
|
|
Lubrication system
|
|
Lub. Method
|
Fully forced pressure feed type
|
|
Oil pump
|
Gear type driven by crankshaft
|
|
Oil filter
|
Full flow, cartridge type
|
|
Oil pan capacity (L)
|
135
|
|
Angularity limit
|
30deg.
|
|
Lub. Oil
|
SAE15W-40 CF4 or higher
|
|
Cooling system
|
|
Cooling method
|
Fresh water forced circulation
|
|
Water capacity (L)
|
134
|
|
Min.Pressure system (kPa)
|
69kPa
|
|
Water pump
|
Centrifugal type driven by belt
|
|
Thermostat ( ℃)
|
82-93℃
|
|
Electrical System
|
|
Charging generator
|
24V X 35A
|
|
Voltage regulator
|
IC AVR
|
|
Starting motor
|
24V
|
|
Battery Voltage
|
35A
|
|
Ignition system
|
|
|
Ignition controller
|
Altronic CD1 unit（12V or 24V）
|
|
Spark plug
|
S-R407XLB12-2（Clearance 0.40mm）
|
|
Ignition coil
|
Altronic501 061 blue epoxy individual cover
|
|
Trigger system
|
Magnetic pick-up sensor，trigger wheel and Hall-effect (0.5±0.12）
|
|
Engineering data
|
|
Water flow (L/s)
|
17.7L/min
|
|
Heat rejection to coolant (KW)
|
516
|
|
Air flow (L/s)
|
826
|
|
Exhaust gas flow (L/s)
|
2284
|
|
Exhaust gas temp. (℃)
|
680
|
|
Max. permissible restrictions
|
|
Intake system
|
2.54kPa
|
|
Exhaust system
|
10.0kPa
|
