2MW Natural Gas Generator
2000GF9-T(2000kW) natural gas generating set are powered by model L20V190ZLT-1 gas engine produced by our company. Complying with National Standard “GB2820 General Specification for Industrial Frequency Diesel Generating Sets（eqv ISO 8528）” and with reference to “IEC34-I” rotary generator standard, the sets are equipped with high quality alternator of both home & abroad and self-made control panel according to customers requirement Engine Design.
2000GF9-T(2000kW) natural gas generating set are powered by model L20V190ZLT-1 gas engine produced by our company. Complying with National Standard “GB2820 General Specification for Industrial Frequency Diesel Generating Sets（eqv ISO 8528）” and with reference to “IEC34-I” rotary generator standard, the sets are equipped with high quality alternator of both home & abroad and self-made control panel according to customers requirement Engine Design.
This natural gas generator adopts -L20V190ZLT-1 engine, which is one sort of highly intelligent, low heat consumption, high reliability, low emission, long lifetime 20V gas engine. L20V190ZLT-1 electrical control and external mix engine owns speed 1000r/min, single unit power 2200kW.
Main technical specifications of gas generator set
Model of genset | 2000GF9-T |
Model of engine | L20V190ZLT-1 |
Model of alternator | 1FC6 series |
Connecting method | Flexible connecting |
Rated speed (r/min) | 1000 |
Rated power (kW/kVA) | 2000/2500 |
Rated voltage (V) | 400/6300/10500 |
Rated frequency (Hz) | 50 |
Rated power factor | 0.8（lagging） |
Voltage regulation | AVR |
Supply mode | 3-phase, 4-wire |
Governor | Electrical controller (WOODWARD) |
Control model | Remote electric control, Hand control |
Aspiration | Turbocharged-After cooled |
Speed Control | Electronic Speed governing |
Starting method | 24V DC motor or Pneumatic motor |
Cooling method | Water cooling |
Genset efficiency | ≥40.4% |
Connection model | |
Stabilized voltage regulation | <±2.5% |
Voltage fluctuation | ±0.5% |
Instantaneous voltage regulation | -15%～+20% |
Voltage recovery time | 1.5s |
Stabilized frequency regulation | 0～5%（Adjustable ） |
Frequency fluctuation | 0.5% |
Instantaneous frequency regulation | ±10% |
Frequency recovery time | 7 s |
Overall dimension L×B×H(mm） | 8452×2180×2540 |
Net weight (kg) | 25000 |
Main technical specifications of engine
Model of engine | L20V190ZLT-1 |
Rated power(kW) | 2200 |
Rated speed (r/min) | 1000 |
No. of cylinder and layout | 20-cylinder, 60°V type |
Type | Four-stroke, water cooled, turbocharged and after-cooled, pre-mixed |
Type of combustion | Lean burn |
Gas pressure（bar） | 1～4 |
Special fuel consumption（kJ/kW.h） | ≤9000 |
Specific oil consumption (g/kW.h) | ≤1 |
Type of lub-oil | KCN 7805 (sulfur content<=200mg/m3) KCN 7810 (sulfur content <=460mg/m3) |
Idle speed (r/min) | 700 |
Bore (mm) | 190 |
Stroke (mm) | 255 |
Total displacement (L) | 144.6 |
Exhaust temperature (℃) | ≤620 |
Direction of rotation | Counter-clockwise(facing to flywheel) |
Lubrication method | Pressure and splash lubrication |
Overhauling (h) | ≥36000 |
Starting method | Air motor starting |
Oil consumption | ≤0.3g/kW·h |
Level of noise on rated power | 105 dB(A) |
Main technical specifications of alternator
Type | 1FC6 series |
Rated power (kW/kVA) | 2000/2500 |
Rated voltage (V) | 400/6300/10500 |
Rated currency | 3608A/238A/144A |
Rated frequency (Hz) | 50 |
Power factor | 0.8 (lagging) |
Excitation model | Brushless |
Wiring method | 3-wire, 4-phase |
Number of pole | 6 |
Rated speed | 1000 r/min |
Connection method | Y |
Insulation grade | H |
Altitude | ≤1000m |
Insulation class | Class F |
Protection class | IP23 |
Cooling | Fan cooling |
Ventilation method | Self-ventilation |
Excitation mode | （AVR） |
Bearing type, No. | Rolling bearing, 2 Pcs |
Main performance index | |
Stable voltage regulating rate | Single running: ±1% Parallel running: ±2.5% |
Instantaneous voltage regulating rate | -15%~+20% UN |
Over load | 1 hour operation time at 110% rated power (6 hours as a cycle) |
Over current multiple | 1.5IN, 2 minutes |
Ability of maintain short-circuit current | The excitation system can provide continuous current of three times of rated current, duration 5s, the alternator must be unloaded. |
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