(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 |
|
|
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 |
