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500KW / 625KVA Cummins Natural Gas / Biogas Powered Generators VGH500-G

Cummins Gas Generator 25KW~500kw

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Description

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1.25/31 kW/KVA Prime?power
2.380/220 V Rated?Voltage?(V)
3.50 HZ
4.four?stroke,water-cooling


500KW / 625KVA Cummins Natural Gas / Biogas Powered Generators VGH500-G?


Product Description

Cummins natural Gas Generator set:

(1) It adopt the dragon -type cylinder which be founded by high-strength cast iron, and made by the multi process machining shape, it has sufficient mechanical strength and stiffness which improve the stability of the genset, it is easy to maintenance and lengthen the life time and save much running cost.

(2) We adopt the electronic mixer which R&D by ourselves, can use the methane component from 30%-70%, also the air/Fuel can match the best ratio, the special design can make the gas burn completely and decrease the gas Consumption and can improve the engine efficiency, decrease the NOX emission, and can reach the international emission standard.

(3) It adopts the electronic ignition system ALTRONIC which R&D by us, which included the special hall sensor, ignition module coil, high volte wire. The ignition system adopts high energy ignition system it can control the exactly lighting time and start very rapidly, so it reduce the knocking ratio of the genset and improve the stability.

(4) Installed with special high precision Governor, our gas genset has the performance of high precision, strong load rising ability and short time recovering.

(5) Each cylinder adopts four valve design, enlarges the area of air intake and exhaust to the most extant, increases the air input, torque and the engine power, so the genset can have the strong ability for impact load.

(6) The crankshaft is casted by the high strength alloy iron, it improves the overall strength and rigidity, makes the crankshaft has a long service life.

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Model?
Item? | VGH25-G | VGH50-G | VGH75-G | VGH120-G | VGH500-G |
Genset?Technical?Parameters |
Prime?power?(kW/KVA) | 25/31 | 50/63 | 75/94 | 120/15 | 500/625 |
Rated?Voltage?(V) | 380/220 | 380/220 | 380/220 | 380/220 | 380/220 |
Frequency?(Hz) | 50 | 50 | 50 | 50 | 50 |
Rated?current(A) | 45 | 90 | 135 | 217 | 900 |
Voltage?
Stabilized?
regulation | ≤?±?1.5% | ≤?±?1.5% | ≤?±?1.5% | ≤?±?1.5% | ≤?±?1.5% |
Voltage
Instantaneous?
regulation | ≤?±?20% | ≤?±?20% | ≤?±?20% | ≤?±?20% | ≤?±?20% |
Voltage?Recovery?time(S) | ≤?1 | ≤?1 | ≤?1 | ≤?1 | ≤?1 |
Voltage?
Fluctuation?
ratio | ≤?1% | ≤?1% | ≤?1% | ≤?1% | ≤?1% |
Voltage?
Wave?
aberration?ratio | ≤?5% | ≤?5% | ≤?5% | ≤?5% | ≤?5% |
Frequency?
Stabilized?
regulation | ≤?1%(adjustable) | ≤?1%(adjustable) | ≤?1%(adjustable) | ≤?1%(adjustable) | ≤?1%(adjustable) |
Frequency?
Instantaneous? regulation | -10%~12% | -10%~12% | -10%~12% | -10%~12% | -10%~12% |
Frequency? Recovery? time(S) | ≤?7 | ≤?7 | ≤?7 | ≤?7 | ≤?7 |
Frequency
Fluctuation
ratio | ≤?1% | ≤?1% | ≤?1% | ≤?1% | ≤?1% |
Generator?
Insulation?
class | H | H | H | H | H |
Noise?level(dB) | ≤?95 | ≤?95 | ≤?95 | ≤?95 | ≤?95 |
Gas?Engine?
Technical?
Parameters |
Engine?Model | HG4B | HG6B | HG6L | HGN14 | HGK38 |
Type | Inline,?four?stroke,?electronic-control?spark?plug?ignition,?water-cooling,?dry?cylinder?jacket,?
premix?proper?ratio?of?
air?and?gas?before?combustion | Inline,?four?stroke,?electronic-control?spark?plug?ignition,?
water-cooling,?wet?cylinder?jacket,?
premix?proper?ratio?of?air?
and?gas?before?combustion |
Cooling?mode | Radiator?fan?cooling?for?closed-type?cooling?mode,?
or?heat?exchanger?water?cooling?for?cogeneration?unit? |

Cylinders | 4 | 6 | 6 | 6 | 6 |
BorexStroke(mm) | 102*120 | 102*120 | 114*135 | 140*152 | 140*152 |
Displacement?(L) | 3.92 | 5.88 | 8.3 | 14 | 14 |
Compression?ratio | 11.5:?1 | 11.5:?1 | 11.5:?1 | 11.5:?1 | 11.5:?1 |
Rated?power(kW) | 33 | 56 | 85 | 135 | 135 |
Rated?speed?(r/min) | 1500 |
Fuel | Natural?gas?or?biogas |
Gas?consumption?
ratio?(g/kW·?h?) | ≤?230?g/kW·?h?
(?0.30?mP3P/kW·?h)
(97%?natural?gas) |
Ignition?order | 1-3-4-2 | 1-5-3-6-2-4 | 1-5-3-6-2-4 | 1-5-3-6-2-4 | 1-5-3-6-2-4 |
Idling?speed(r/min) | 700 |
Oil?recommended | SAE?15W/40CD?
CNG?special?lube?oil |
Oil?consumption | ≤?1.0g/kW.?h |
The?highest?exhaust(OC) | ≤?600 |
Alternator?Brand |
France?brand?Leroy?Somer?
brushless?synchronous?alternator |
Net?weight(kg) | 900 | 1100 | 1700 | 3100 | 5170 |
Overall
?dimension
(mm) | 1800*710*1350 | 2300*820*1400 | 2450*820*1550 | 3150*1000*1500 | 4950
*2100
*2500 |
(L*W*H) |
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