Unit type data | |||||||||||||||
Fuel type |
Natural gas |
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Equipment type |
520NG/520NGS |
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Assembly |
Power supply + Heat Dissipation System+ Control cabinet |
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Genset compliance with standard |
ISO3046,ISO8528,GB2820, CE,CSA,UL,CUL |
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Continuous output | |||||||||||||||
power modulation |
50% |
75% |
100% |
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Electrical output | kW |
260 718 |
390 1039 |
520 1337 |
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Fuel use | kW | ||||||||||||||
Efficiency in mains parallel mode | |||||||||||||||
Continuous output |
50% |
75% |
100% |
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Electrical efficiency % |
38.5 |
38.9 |
38.8 |
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Current(A)/ 400V / F=0.8 |
469 |
703 |
938 |
Prime power Operating Data Insolated Mode | ||||||||
Synchronous alternator |
Star, 3P4h |
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Frequency | Hz |
50 |
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Power factor |
0.8 |
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Rating (F) KVA prime power | KVA |
650 |
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Generator voltage | V |
400 |
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Current | A |
938 |
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Genset performance data and manufacturing technology | ||||||||
Overload run-time at 1.1xSe(hour) |
1 |
Telephone interference factor (TIF) |
≤50 | |||||
Voltage setting range |
≥±5% |
Telephone harmonious factor (THF) |
≤2%,as perBS4999 | |||||
Steady-state voltage deviation |
≤±2% |
Manufacturing technology
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Transient-state voltage deviation |
-12%~18% |
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Voltage recovery time (s) |
≤2 |
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Voltage unbalance |
1% |
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Steady-state frequency regulation |
±1.5% |
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Transient -state frequency regulation |
-15%~10% |
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Frequency recovery time (s) |
≤5 |
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Steady-state frequency band |
1.5% |
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Recovery time response (s) |
0.5 |
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Line Voltage Waveform Sine Distortion Ratio |
≤ 5% |
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Emission data[1] | ||||||||
Exhaust flow rate | 2520 kg/h | |||||||
Exhaust temperature | 465℃ | |||||||
Maximum allowable exhaust back pressure | 4 Kpa | |||||||
Emission: (Option) NOx: | ≤500 mg/Nm³ at 5% residual oxygen | |||||||
CO | ≤650 mg/ Nm³ at 5% residual oxygen | |||||||
NMHC | ≤125 mg/ Nm³ at 5% residual oxygen | |||||||
H2S | ≤20 mg/ Nm3 | |||||||
Environmental noise | ||||||||
Sound pressure level at a distance of up to 7 m(based on surroundings) |
98dB (A) / Open Type 85dB (A) / Silent Type |
AC alternator performance data Efficient gas engine | |||
Alternator brand |
MECC ALTE |
Engine brand |
MAN |
Motor type |
ECO40-2L/4A |
Engine model |
E 3262 LE202 |
Voltage(V) |
400 |
Engine type |
V-12 cylinders , turbocharger with intercooler |
Rating (H) KW prime power |
544 |
Bore x stroke |
132mm×157mm |
Rating (H) KVA prime power | 680 | Displacement (L) |
25.8 |
Alternator efficiency (%) |
95 |
Compression ratio |
12:1 |
Power factor |
0.8 |
Rated output power |
550kW/1500rpm |
Wiring connection |
D/Y |
Oil consumption max. |
0.35 g/ kw * h |
Rotor insulation class |
H class |
Min Intake flow, (kg/h) |
2400 |
Temperature-rise rating |
F class |
Ignition method |
Electrically controlled single cylinder independent high-energy ignition |
Excitation method |
Brush-less |
Fuel control mode |
Equivalent combustion, closed loop control |
Rated speed(min-1) |
1500 |
Speed regulation mode |
Electronic governor |
Housing protection |
IP23 |
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Main functions | |||||
Engine running timeAlarm Protection Function
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12V or 24V DC StartingRemote Control Interface as an optionAutomatic Start/Stop Control SwitchSet Input, Output, Alarm and TimeNumbers Control Input, Relays Control OutputAutomatic failure state emergency stop and fault display battery voltage genset frequencyProtection with IP44Gas leaking detection | ||||
Standard configuration | |||||
Engine Control: Lambda closed loop controlIgnition systemElectronic governor actuatorStart up control speed control load control | Generator Control:Power control RPM control (synchronous) Load distribution (island mode) Voltage control | Voltage tracking (synchronous) Voltage control (island mode)Reactive power distribution(island mode) | Other controls: Oil filling automaticallyIntake Valve controlFan control | ||
Early warning monitoring | |||||
battery voltageAlternator data:U、I、Hz、kW、 kVA、kVAr、PF、kWh、kVAhGenset frequency | Engine SpeedEngine running timeInlet pressure temperatureOil pressure | Coolant temperatureMeasurement of oxygen content in exhaust gasIgnition status inspection | Coolant temperatureFuel gas inlet pressure | ||
Protection functions | |||||
Engine protection Low oil pressureSpeed protectionOver speed/short speedStarting failureSpeed signal lost | Alternator protection
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Busbar/mains protection
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System protection Alarm Protection FunctionHigh coolant temperatureCharge faultEmergency Stop |
Paints, Dimensions and Weights of the Genset—520NG | |
Genset size (length * width * height) mm | 4800×1800×2100 |
Genset dry weight(Open Type) kg | 5500 |
Spraying Process | High quality powder coating(RAL 9016 & RAL 5017 & RAL 9017 ) |
Paints, Dimensions and Weights of the Genset—520NGS | |
Genset size (length * width * height) mm | 6058×2438×2896(Container) |
Genset dry weight(Silent Type) kg | 11500(Container) |
Spraying Process | High quality powder coating(RAL 9016 & RAL 5017 & RAL 9017 ) |