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50NG/50NGS
Natural gas Generator Set
Main configuration and features:
• Highly efficient gas engine. & AC synchronous alternator.
• Gas safety train and gas protection device against leakage.
• Cooling system suitable for ambient temperature up to 50℃.
• Strict shop test for all gensets.
• Industrial silencer with silencing ability of 12-20dB(A).
• Advanced engine control system: ECI control system including: ignition system, detonation control system ,speed control system , protection system，air/fuel ratio control system and cylinder temp.
• With cooler and Temperature Control System to make sure the unit can work normally at 50℃ environment temperature.
• Independent electrical control cabinet for remote control.
• Multi-functional control system with simple operation.
• Data communication interfaces integrated into control system.
• Monitoring battery voltage and charging automatically.
| Unit type data |
| Fuel type |
|
Natural gas
|
| Equipment type |
|
50NG/50NGS
|
| Assembly |
|
Power supply
+ Heat Dissipation System+ Control cabinet
|
| Genset compliance with standard |
ISO3046，ISO8528,GB2820, CE,CSA,UL,CUL
|
| Continuous output |
| power modulation |
|
|
50%
|
|
75%
|
|
100%
|
| Electrical output |
kW |
25
82
|
37.5
118
|
50
155
|
| Fuel use |
kW |
| Efficiency in mains parallel mode |
| Continuous output |
|
50%
|
|
75%
|
|
100%
|
| Electrical efficiency % |
29.2
|
31.2
|
32.3
|
| Current（A）/ 400V / F=0.8 |
43
|
67
|
90
|
Special statement：
1、 The technical data are based on natural gas with a calorific value of 10 kWh/Nm³ and a methane no. > 90%
2、 The technical data indicated is based on standard conditions according to ISO8528/1, ISO3046/1 and BS5514/1
3、 The technical data is measured in standard conditions: Absolute atmospheric pressure：100kPa
Ambient temperature：25°C Relative air humidity：30%
4、 Rating adaptation at ambient conditions according to DIN ISO 3046/1.The tolerance for the specific fuel consumption is + 5 % at rated output.
5、 Dimension and weight above are just for standard product and may be subject to change. As this document is used only for presale reference, take the specification supplied by Smart Action before ordering as final.
6、 The applicable ambient temperature is -30 ° C ~ 50 ° C; when the ambient temperature exceeds 40 ° C, the rated power is reduced by 3% for every 5 ° C increase in temperature. Applicable altitude is less than 3000 meters; when the altitude exceeds 500 meters, the rated power is reduced by 5% for every 500 meters of height.
| Gas Data |
| Fuel |
[1]
Natural gas |
| Gas intake pressure |
5Kpa~50Kpa
|
| Methane volume content |
≥ 80%
|
| Low heat value（LHV） |
Hu ≥ 31.4MJ/Nm3
|
| Gas Consumption per hour at 50% load at 75% load at 100% load |
8.5 m3
12.5 m3
16 m3
|
| [1] After the Natural gas components need to be provided by users, the relevant data of the technical manual will be revised.Gas hoses are ECER110 approved. Components in the gas train meet Directive 90/356/EWG. |
| Service |
| Oil level (ambient temperature is higher than minus 5°C/ ambient temperature is[2] lower than minus 5°C) |
API 15W-40 CF4 /API 10W-30 CF4 |
| Lubricating oil capacity min./max. |
9 L / 11 L
|
| Coolant capacity |
32 L
|
| Coolant type |
50% softened water and 50% anti-freezing solution (ethylene glycol, with the concentration of the anti-freezing solution between 40%-68% )
|
| installation room ventilation (inlet air volume flow ) |
＞7500 m³/h
|
[2] The oil standard refers to factors such as local ambient temperature and air pressure.
| AC alternator performance data |
Efficient gas engine |
|
| Alternator brand |
MECC ALTE
|
|
Engine brand |
YC
|
| Motor typeVoltage（V） |
ECO32-3L/4
|
|
Engine modelEngine type |
YC4D90NL-D30
4 cylinders inline, Exhaust turbocharger with water-cooled turbine
housing
|
| 380 |
400 |
415 |
440 |
| Rating (H) KW prime power |
60
|
60
|
60
|
56
|
Bore x stroke （mm） |
108mm×115mm
|
| Rating (H) KVA prime power |
75 |
75
|
75
|
70
|
Displacement （L） |
4.2
|
| Alternator efficiency （%）Power factor |
90.6 |
90.7 |
90.4 |
90.2 |
Compression ratioRated output power |
11.5 60kW/1500rpm
|
| 0.8 |
|
| Wiring connection |
D/Y |
|
Oil consumption max.（kg/h） |
0.3
|
| Rotor insulation class |
H class
|
|
Min Intake flow, （kg/h） |
343
|
| 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 |
|
|
|
Alternator compliance withGB755, BS5000, VDE0530, NEMAMG1-22, IED34-1, CSA22.2 and AS1359 standard.
In case of nominal mains voltage variations by ± 2%, an automatic voltage regulator (AVR) must be used.
|
| Scope of Supply |
| |
Engine |
Alternator Canopy and base Electrical cabinet |
| |
Gas engine Ignition system Lambda controllerElectronic governor actuatorElectrical start motorBattery system |
AC alternatorH class insulationIP55 protectionAVR voltage regulatorPF control |
Steel sheel base frameEngine bracket Vibration isolators Soundproof canopy (optional)Dust filtration (optional) |
Air circuit breaker7-inch touch screenCommunication interfaces Electrical switch cabinetAuto charging system |
| |
Gas supply system |
Lubrication system |
Standard voltage |
Induction/exhaust system |
| |
Gas safety trainGas leakage protectionAir/fuel mixer |
Oil filterDaily auxiliary oil tank (optional)Auto refilling oil system |
380/220V400/230V415/240V |
Air filterExhaust silencerExhaust bellows |
| |
Gas Train |
Service and documents |
| |
Manual cut-off valve2~7kPa pressure gaugeGas filterSafety Solenoid valve (anti-explosion type is optional) pressure regulatorFlame arrestor as option |
Tools package Engine operation Installation and operation manual Gas quality specification Maintenance manual Control system manual Software manual After service guide Parts manual Standard package |
| Optional configuration |
| |
Engine |
Alternator |
Lubrication system |
| |
Coarse air filterBackfire safety control valveWater heater |
Generator Brand: Stamford, Leroy-Somer, MECCTreatments against humidity and corrosion |
Brand new oil tank with large capacityOil consumption measuring gaugeFuel pumpOil heater |
| |
Electrical system |
Gas supply system |
Voltage |
| |
Remote monitoring Grid-connection remote control sensor |
Gas flow gaugeGas filtrationPressure reducer gas pretreatment alarm system |
220V230V240V |
| |
Service and documents |
Exhaust system |
Heat exchange system |
| |
Service toolsMaintenance and service parts |
Three-way catalytic converterGuard shield from touchResidential silencerExhaust gas treatment |
Emergency radiatorElectric heaterHeat recovery systemThermal storage tank |
| |
|
|
|
|
|
|
|
SAC-200 Control system
Programmable control system is adopted with touch screen display , and various functions, including: engine protection and control, paralleling between gensets or gensets and grid, as well as communication functions. etc.
Main advantages
→ Premium gen-set controller for both single and multiple gensets operating in standby or parallel modes.
→ Support of complex applications for power production in data centres, hospitals, banks and also CHP applications.
→ Support of engines both with electronic unit - ECU and mechanical engines.
→ Complete control of the engine, alternator and controlled technology from one unit provides access to all measured data in a coherent and time corresponding way.
→ Wide range of communication interfaces allows smooth integration into local monitoring systems (BMS, etc.)
→ Internal built-in PLC interpreter allows you to configure customised logic to meet demanding customer requirements on your own without extra programming knowledge and in a fast way.
→ Convenient remote control and service
→ Enhanced stability and safety
| Main functions |
|
|
Engine running timeAlarm Protection Function
- low oil pressure
- high coolant temperature
Emergency Stop
- emergency stop button pressed
- speed signal lost
Engine monitor：coolant, lubrication, Intake, exhaust
Voltage and power factor control |
|
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
- Reverse power
- Overload
- Overcurrent
- Overvoltage
- Under voltage
- Over/under frequency
- Unbalanced current
|
Busbar/mains protection
- Overvoltage
- Under voltage
- Over/under frequency
- Phase sequence
- ROCOF alarm
|
System protection Alarm Protection FunctionHigh coolant temperatureCharge faultEmergency Stop |
| Paints, Dimensions and Weights of the Genset—50NG |
| Genset size (length * width * height) mm |
1850×1050×1200 |
| Genset dry weight（Open Type） kg |
1200 |
| Spraying Process |
High quality powder coating（RAL 9016 & RAL 5017 & RAL 9017 ） |
| Paints, Dimensions and Weights of the Genset—50NGS |
| Genset size (length * width * height) mm |
6091×2438×4586（Container）/ 2600×1250×1300（Box type） |
| Genset dry weight（Silent Type） kg |
8500（Container）/ 1750（Box type） |
| Spraying Process |
High quality powder coating（RAL 9016 & RAL 5017 & RAL 9017 ） |
Dimensions are for reference only.
Paints, Dimensions and Weights of the Genset
| Genset size (length * width * height) mm |
1850×1050×1200 |
| Genset dry weight（Open Type） kg |
1200 |
| Spraying Process |
High quality powder coating（RAL 9016 & RAL 5017 & RAL 9017 ） |
50kW Cogeneration Unit — Open Type
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