Natural Gas Power Generator Price 4MW

• Customization: Available
• After-sales Service: O&M Oversea
• Warranty: 1year
• Model NO.: 4000GF-T
• Gas Source: Gas
• Certification: CE, ISO, CCC
• Power: 4000kw
• Standard: Standard
• Transport Package: Wood Cases Packing
• Specification: 4000GF-T
• Trademark: Jichai
• Origin: China
• HS Code: 85022000

Product Description

Natural Gas Power Generator Price 4MW 

Jichai Brand Generator is designed and manufactured to be high quality, long usage life, easy operation, low maintenance cost, high intelligence with low engine speed, low fuel consumption, low gas quality requirement, tough environmental adaptability, high stability and low fluctuation. The generator is desirable for industrial power solution.

1.4000kW natural gas generator set overview                   
JICHAI 4.3 MW is a gas engine with a 10.5 kV heat recovery system. The single electric capacity of the gas engine according to the passport is 4 300 kW, the unit thermal capacity is 4 220 kW.
 

2.Technical specifications of 26/32 gas generator set         

Natural Gas Power Generator Price 4MW 

2.1  Main technical specifications of gas generator set

Model of genset	4000GF9-T
Model of engine	26/32
Model of alternator	1FC6 series
Connecting method	Flexible connecting
Rated speed (r/min)	1000
Rated power (kW/kVA)	4000/5000
Rated voltage (V)	10.5kV
Rated frequency (Hz)	50
Rated power factor	0.8(lagging)
Voltage regulation	AVR
Supply mode	3-phase, 4-wire
Governor	Electrical controller
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	≥43.7%
Thermal efficiency, %	≥43.4%
Full efficiency, %	≥87,1 %
Connection model	Elastic coupling
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)	8 900 x 2 750 x 3 800
Net weight (kg)	51400
Container type Overall dimension L×B×H(mm)	16,000 x 6,800 x 7,100
Net weight (kg)	134,000

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2.2  Main technical specifications of engine 

Model of engine	26/32
Rated power(kW)	4300
Rated speed (r/min)	1000
No. of cylinder and layout	16-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)	260
Stroke (mm)	320
Total displacement (L)	==
Exhaust temperature (ºC)	≤620
Direction of rotation	Counter-clockwise(facing to flywheel)
Lubrication method	Pressure and splash lubrication
Overhauling (h)	≥80000
Starting method	Air motor starting(pneumatic)
Oil consumption	≤0.2g/kW·h
Level of noise on rated power	105 dB(A)

*Rating and fuel consumption based on ISO Standard conditions (Ambient temperature at 25 degree Centigrade, Atmospheric pressure at 100kPa and Relative humidity at 30%). Site rating and fuel consumption should amend according to relative standard (The table at right side for reference )

Natural Gas Power Generator Price 4MW 

2.3.Main technical specifications of alternator

Type	1FC6 series
Rated power (kW/kVA)	4000/5000
Rated voltage (V)	10.5kV
Rated currency	274.9A
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.

Natural Gas Power Generator Price 4MW 

3. Required conditions by natural gas generator set              
3.1 Requirements for fuel gas
In order to ensure its reliable and stable operation of the generator set, the requirements for the natural gas quality is as follows:
--Natural gas should be dehydrated without any water, crude oil & clean oil
--Natural gas pressure 100~400kPa;
--Natural gas temperature -20~40ºC;
--Total sulfur content less than 200mg/m3
Note: Gas volume is under standard condition with 100kPa atmosphere, 20ºCambient temperature,30% relative moisture.
3.2  Requirements for cooling water
Soften water is required by high temp and low temp engine circulation system. Cooling water should be lightly alkaline clean water without any corrosive compound, such as chloride,sulfate or acid etc. The main index requirements are as follows:

Hardness	0.7~5.3me/L
Chloride ion content	<150mg/L
PH value	7~8.5

Natural Gas Power Generator Price 4MW 

3.3  Requirements for lubricant
Engine is equipped with complete lubrication system, with oil consumption≤0.3g/kW·h. Lubricant model: Mobil Pegasus 705 or 15W40CD.
3.4  Requirements for environment
gas generator set can run steadily, reliably, continuously under following condition: ambient temperature between -40ºC~+40ºC,relative moisture<90%,sea level elevation≤2000m. The generator can output rated power under standard environmental conditions:atmosphere pressure 100kPa, ambient temperature25ºC, air relative moisture 30%.
 

Natural Gas Power Generator Price 4MW 

The control panel may monitor the following parameters:

Three-phase AC voltmeter	ON instruction
Three-phase output ammeter	OFF instruction
Frequency meter	High temperature alarming
Output active power meter	Low pressure alarming
Power factor meter	High oil temperature alarming
Cell voltage	Overspeed alarming
Speed micro-adjusting button	Voltage micro-adjusting button

Natural Gas Power Generator Price 4MW 

5.2 Local PLC and background monitor & control system (Optional)
Remote control console is consisted by 15 "touch screen (HMI) ,it has the same function as the local control panel. The remote control panel communicates with the local panel through RJ45, and RS485 communication interface is reserved for the user.


5.2.1 PLC centralized control panel:
Local PLC centralized control panel is set in the container to control radiator, ventilation and power distribution of the container. Moreover, PCL centralized control panel can collect, display and store the operating parameters and status of the engine thermal parameters, generator electrical parameters, unit auxiliary equipment, etc.
The air switches, relays, thermal relay protectors, buttons, indicator lights, and terminals in the centralized control cabinet are selected from domestic and foreign first-line brand products.

5.2.2 Background monitoring unit:
Main configuration and functions of background monitoring: it is composed of monitoring computer, monitor, mouse, keyboard, printer, communication equipment and uninterruptible power supply UPS. It provides a full-station computer monitoring system for the operation, operation and protection of the entire power plant. Engines, generators, cooling systems, machine room ventilation fans, gas fire alarm devices and other systems realize real-time digital monitoring and control operations, historical data storage, query, printing, and abnormal alarms.
The operation platform of the background monitoring system is placed in the user monitoring duty room, which is convenient for monitoring the operation of the unit. The monitoring interface can realize bilingual switching between Russian and English. The liquid crystal display, industrial control computer, and the industrial control computer and liquid crystal display are all installed in domestic or international well-known brands, such as Siemens, Heli, Advantech, Advantech, etc. The industrial computer is equipped with CPU no less than i5, 1TG hard disk, 4G memory, and is equipped with keyboard, mouse, printer, etc.
The background monitoring system collects the operating data and status of the units and auxiliary equipment in the centralized control cabinet of each unit in each machine room through network communication. The Ethernet communication interface is reserved for remote transmission of power plant local data to the GPP DCS system.
The background monitoring system supports the ability of simultaneous monitoring of generator sets and their auxiliary equipment, and can record and store the collected data, and store and record historical data of not less than 2 years, and the historical data supports the functions of querying, printing, and exporting by time.
The background monitoring system is configured with an AC UPS system. When the normal AC power supply is interrupted, the UPS will supply power to the background monitoring power supply that requires continuous power supply. The UPS shall continue to supply the rated capacity for not less than 60 minutes, which requires reliable quality.
Monitor each GE to collect thermal and electrical parameters, and distinguish them by numbers, curves, histograms, and different colors to form a friendly human-machine interface.

5.2.3 Genset abnormal alarm:
When the important operating parameters of the generator set exceed the safe operating limits, the system will automatically send out sound and light alarm prompts, and automatically mute the sound after the fault is removed. At the same time, it supports manual mute function. The content of the alarm uses color change, pop-up, sound, flashing lights, etc. to remind the staff on duty.

Natural Gas Power Generator Price 4MW 

6. Characteristics of Cooling System                                 

2000kW Gas generator set adopts closed circulation flat bed radiator. This radiator owns low consumption and high efficiency characteristics. Shown as the above picture, this flat bed radiator is equipped with 10 fans and independent motors and consists of control system, motor driving device, electric fan, radiator and base. This control system owns air blower automatic start and stop function.
Reference Flow Diagram of Cooling System  

Generator set is equipped with a set of horizontal radiators which are used for cooling of high temperature system (cylinder liner and primary inter-cooling of the inter-cooler) and low temperature system(secondary inter-cooling of the inter-cooler and lubricating oil cooler) of the engine.
The cooling water pipeline between the horizontal radiator and the GE is produced and installed on site, and each GE is equipped with a high-temperature water temperature control valve at the factory to meet the high-temperature water cooling temperature requirements.
The horizontal radiator is equipped with a terminal box. The complete wiring of the cable from the terminal box to the cooling fan, temperature sensor and expansion water tank liquid level sensor is complete.

If you having cooling tower in your project as above,there is no needed for horizontal radiator.

Natural Gas Power Generator Price 4MW 

7. Characteristics of Lubrication system                          Ensure reasonable and low oil consumption.The lubricating method is pressure and splash lubrication, the pressure in the main oil pipe is 500 to 800 KPa. The oil pump is outer type which is convenient to maintenance and the manual oil pump and electric pre-oiling pump is also equipped. Oil cooler and oil pressure low alarm and shutdown equipment is installed to protect the operation of genset. 
With a automatic recharging oil device to realize manual/automatic switch.
The oil pump is installed on the oil inlet of the oil pan of each set. Electric control is used for the pump. There is an oil level gauge on the oil pan of each set. It outputs a switching value signal respectively when oil level of the oil pan is low or high. When control system monitors low oil level, oil supply pump will automatically run and fill oil to the oil pan; when control system monitors high oil level, it can stop filling oil automatically. If the oil pump is not closed, it gives alarm prompt and starts oil returning pump. Meanwhile, when oil level of oil storage tank is lower than set value, it gives sound and light alarm signal to warn the user to fill oil to oil storage tank.
7.1 Reference Flow Diagram of Lubrication system

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7.2 Lubricating tank(optional):
Fresh oil tank 10 m3;
Used oil tank 10 m3;
The oil tank can realize manual filling oil. In addition, electric filling oil joint is reserved;
The oil tank is requested to send oil level alarm signal;
It can display oil level in normal condition;
Make sure to consider oil discharge and cleaning of oil tank during design.
Oil charging pipe: It provides all pipelines from lubricating can to oil pan of the unit.
Oil pump: Every unit is equipped with two oil pumps. One set is gasoline pump and the other set is oil returning pump.
7.3 Control box:
PLC controller is assembled in the control box. Thus, it can realize logical relation between refueling and oil expulsion accurately and realize manual/automatic refueling; it has the function of oil level alarm (including oil pan and lubricating can).

Natural Gas Power Generator Price 4MW 

8.Characteristics&Specification of Air Starting System            
8.1 Air motor installed at genset Body, it is safe and reliable.
8.2 Reference Flow Diagram of Air Starting system

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8.3 Air Starting Auxiliary Equipment assembled into a skid and supplied in one piece.

Equipment Name	Model
Air compressor	KRW1.2/30,15KW,1.35m^3/min,380VAC
Air tank	WY-0.6/3.0, 0.6m^3,3.0MPa,With automatic drain valve
Re-Pressure valve	YHYP-25/30,DN25 PN40 Set outlet pressure 0.8MPA.
Outlet filter	SY-41C-25/40,DN40 PN25,100 mesh
Stainless steel hose	S40,10m,2.5MPa,DN40 Flange connect
Manual ball valve	Q41F-40C/DN25
Skid car base	steel welding plus moving wheels
Dimension	2200X970X1700mm

8.4 Description of other Characteristics:
8.4.1 Pressure reducing valve outlet pressure 0.8MPA.
8.4.2 The working pressure of the Stainless steel is 2.5 MPa, and it is equipped with flanges, gaskets, bolts, etc.
8.4.3 Each time the air motor starts, the air consumption is about 400L.0.8MPa,
8.4.4 Before starting, a compressed air source of pressure of 800~1000kPa must be stored.
8.4.5 Each continuous start shall not exceed 15 seconds. After a start fails, start again after an interval of 1 minute.
8.4.6 If it fails to start after three consecutive starts, find out the cause, and start again after troubleshooting.

Natural Gas Power Generator Price 4MW 
9. Characteristics of Inlet & exhaust system                     
9.1 Fuel gas 150~ 400KPa were sent to the use of each genset, each genset has a set of filter pressure regulator, pressure regulation to 7 ~ 9KPa for engine use.
        
9.2 Stable and efficient gas input system to ensure power generation be more effective. Gas input system adopts high-efficient air filter, high-flow turbocharger, round-pipe inter-cooler. The heat emission efficiency of round-pipe inter-cooler radiator is 20% higher than ordinary inter-cooler, which can satisfy cooling requirements of air flow.
9.3 Exhaust: outdoor exhaust, engine has exhaust pipe and muffler.Effective exhaust system protection to avoid heat radiation and hidden danger.  Due to high exhaust temperature, special heat insulation layer is applied on exhaust main pipe and turbocharger surface. Expansion piece is installed on exhaust outlet to reduce fault rate and prevent releasing heat out of generator house. 

Natural Gas Power Generator Price 4MW 
10. Mute container (Optional)          
                          
10.1  The container is divided into two parts: GE room and electrical control room. The skeleton base is welded by high-strength channel steel and I-beam, and the top cover and wall panels are made by folding 2mm tile-shaped steel plates.
10.2  Corresponding monitoring equipment such as combustible gas leakage alarm, flame alarm and smoke alarm are equipped in the GE room to meet the requirements of protection equipment. When gas leakage, fire alarm and other situations occur, passive switch alarm signals can be output separately. The container is equipped with 5 sets of explosion-proof LED lights with emergency function (230VAC / 40W), 4 sets of air intake fan (400VAC / 4kW), and a wall-mounted air conditioner is set in the electrical control room. The container is equipped with 7 sets of 230VAC / 2.2kW electric heaters to ensure that the temperature in the machine room is not lower than 10ºC in winter. Electric louvers are installed in the inlet and exhaust vents of the mcontainer. It is controlled by the monitoring system and can be automatically shut down when the GE is not working, and automatically open when the GE is working.
10.3  The airtightness of the container meets the noise requirements of the national standard. 1 meter away from the GE container is less than or equal to 85 dB. The container needs to meet the normal operation and ventilation requirements of the unit even if the door is closed for a long time.
10.4  Install two guide rails and 0.5T hoist inside the GE room for maintenance and removal of cylinder head. The lifting point of the cylinder head is firm, and the upper end of the supercharger is equipped with a lifting ring.
10.5 The top of the container should be separable from the body for easy dis-assembly.
10.6 The cable threading hole is set at the bottom of the container, directly down from the generator outlet to the bottom of the container, and enter the cable trench outlet; the grounding point is set at no less than two places, and it is set at the diagonal position of the container. The ground wire must be installed; the high voltage is separated from the control wire to avoid signal interference, and all equipment in the container must be reliably connected to the container.
10.7  Configure maintenance ladders, roof guardrails and one set of foundation bolts.

Natural Gas Power Generator Price 4MW 
11.Characteristics of CHP Unit (optional)             
          
In order to make full use of total thermal energy from combustible gas, customer requires CHP system on the basis of power generation use. This system consists of heat exchanger, liquid supply pump or hot liquid circulation pump, valves and insulation liquid pipe.
The above components form a circulation system, with liquid supply pump or hot liquid circulation pump as power source. It adopts heat exchanger and boiler with adding anti-freezer to produce hot water for production and daily use.

11.1 Heat recovery boilers waste heat of exhaust  
In order to make full use of the exhaust heat of the unit and improve the comprehensive utilization rate of gas, a waste heat recovery boiler is added to the exhaust system to recover the exhaust heat and generate hot water (70 to 90°C) or saturated steam (1MPa). The waste heat can be used for production or life Use heat.
11.2 Heat recovery boilers waste heat of hot water
Generator with a semi-open circulation cooling system, the internal circulating high-temperature water (cylinder jacket water) transfers heat to the external circulating high-temperature water through the heat exchanger. The external circulating high-temperature water pipe can be directly introduced into heating equipment such as heating, where the heat is exchange to increase the temperature in the fermenter.
This makes full use of the heat of the engine cooling water and improves the overall utilization rate.

12.Main Features                                                 

Engine Design - Intellectual Property belong to Jichai - Triaxiality Finite Element Analysis - Longer Stroke, More displacemen - Low Speed (1000RPM), More Reliable - Advanced World Standard Performance Generator - Brushless Excitation - AVR - Better Insulation and Protection Safety - Low Oil Pressure Auto Stop Protection - Over Speed Auto Stop Protection The Whole Equipment Supply - Standard Scope of Supply - Optional Equipment List - Maintenance and Repair Tools - Optional Spare Parts - Meet the Requirement for All Accessories of Project Easy Installation and Remove - Skid Mounted Equipment

- Explosion Proof - High Coolant Temperature Alarm - High Oil Temperature Alarm - Complete Electrical Protection - Emergency Stop Device Testing - Strict Inspection and Factory Test for Each Engine and Gen-set. - Start Performance Test - Load Test - Synchronization Test - Safety System Test - Simple Installation Work - High Strength Skid, for Hoisting and Removing. Technical Support & Services - Technical Support and Training Service - 24/7 Technical Service - Rapid Spare Parts Supply - After Sales Service for Generating Set Lifetime

Natural Gas Power Generator Price 4MW 

 13. Standard Scope of Supply                                    

Gas engine - Closed-loop electronic control - Gas control valve - Gas control system of electrical type from American WOODWARD. Alternator - Brushless excitation  - 3 phases 4 lines - Auto Voltage Regulation Air inlet system  - Air filter - Air cooler - Bracket Exhaust system - Exhaust gas turbocharger. - Exhaust manifold - Corrugated pipe - Exhaust pipe (Optional) - Exhaust elbow (Optional) - Exhaust silencer (Optional) Control system - WOODWARD brand - Control Panel Gas supply system - Gas filter - Pressure regulating valve - Solenoid valve

- Gas control valve - Gas pressure gage Lubricating System - Main oil pump - Pre-supplying oil pump - Oil filter - Oil cooler - Centrifugal filter - Oil pipe and valve Cooling System - Water pump - Intercooler - Cooling pipe - Heat exchanger Starting System - Pneumatic starting motor  Instrument - Instrument panel - Auto shutdown device for over-speed - Auto shutdown device for low oil pressure. - Explosion-proof device - Normal repair tools - Special spare parts - Technical document - Commodity inspection Others - Common base - Color of engine- Jichai silver