1) Rated power from 20kW to 80kW
2) power by famous and good quality gas engine and alternator, like isuzu, wuxi, weifang, huangling, and Stamford, Shanghai Stamford, Marathon, LSA.
3) Longer life: Natural gas engine has a life of over several years if it is properly operated and maintained
4) Low operation cost: Natural gas has a rich reserve with low cost and a high rate of return
5) High profit: Low operation cost, supply of electricity and thermal power at the same time, low maintenance cost
6) Coupled with brushless alternators of Leroy Somer / Engga
7) Well performed control system, high quality monitor instrument, with sound and light alarm devices, auto shutdown
8) Protection function: Over-current, under-voltage, auto-regulate voltage, reverse power
9) Monitor function: Speed, water temperature, lube-oil temperature, lube-oil pressure, exhaust temperature
10) Gas consumption: Less than 0.33cbm/kWh
11) Supply connection: 3 phase, 4 lines
12) Rated voltage: 400V
13) Rated speed: 1, 500rpm/1, 800rpm
14) Rated frequency: 50Hz / 60Hz
15) Rated power factor: 0.8
16) Exciting way: Brushless
17) Starting mode: 24V DC electric starting system
18) Cooling mode: Closed-circuit cooling system
| GENSET - 50 HZ AT 1500 RPM |
ENGINE |
ALTERNATOR |
| Model |
PRIME |
STANDBY |
Model |
Marathon |
| GST |
KVA |
kW |
KVA |
kW |
|
Model |
| GST20G |
25.0 |
20 |
27.5 |
22.0 |
493CNG |
GM-20-4 |
Gas engine
| GAS ENGINE SPECIFICATIONS |
| Model |
493CNG |
| Rated power |
25KW |
| Number and layout of cylinders |
4-cylinder, In line, |
| Type |
Four stroke, Water cooled, air after-cooled, Electronic control timing air intake |
| Fuel |
Natural gas or Marsh gas |
| Ignition type |
Spark plug ignition |
| Intake gas pressure required |
≥ 1psi |
| Bore and Stoke |
100X115mm |
| Total displacement (L) |
3.61 |
| Compression ratio |
11.3 |
| Heat consumption |
≤ 12000kJ/kW· h |
| Gas consumption |
≤ 0.34m 3 /kW· h (Natural gas) ≤ 0.64m3/kW· h (Marsh gas) |
| Oil consumption |
≤ 1.63 g/kW· h |
| Lowest speed |
700 rpm |
| Exhaust temperature (before turbine) |
≤ 500 ° C |
| Net mass |
420kg |
| Heavy overhauling period |
6000 h |
| Manufacturer |
Weifang Power Diesel Engine |
Alternator
| -Brushless single bearing, revolving field |
| -Class H insulation |
| -antifriction bearing |
| -Altenator is 3-Phase, 4-Wire, Air Cooled proving voltage and phase flexlbllity |
| -Elastic Engine/Alternator coupling |
| -4-pole, Self-Excitation cylindrical rotor with total constant-Voltage |
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