The Description of the NEW 4Mw Jichai 4000GF-T Natural Gas Generator Set
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NEW 4 megawatts Jichai 4000GF-T gas generator sets 2632 SeriesSeries 26/32 natural gas engines are high-power natural gas engines with independent intellectual property rights launched by Jichai to meet the demand of national energy conservation and emission reduction projects, such as long-distance pipeline compressor driving power, offshore drilling platform power, large gas-fired power station, and distributed energy. It has high pressure, high power, high efficiency, low discharge, green, environmental protection, and other characteristics. The engine's gas consumption rate is 8500kJ/kW-h, and its thermal efficiency is higher than 44%. Its power performance, economy and reliability have reached the international advanced level.. lt has outstanding performance in the oil field drilling,natural gas power plants, biogas power generation,coal mine gas power generation
feature of the Jichai 4000GF-T
Precise control (INTERNATIONAL: 2.1-2.3, Aid: 2.05) to achieve rarefied combustion;
High efficiency (international: 42-45%; current test thermal efficiency: 44%), safety (explosion-proof devices, double-wall gas pipe, and oil mist detector are installed in each system);
High supercharging, strong MILLER, low emission;
Detonation control technology and detonation pressure monitoring (or combustion temperature in cylinder);
Port Injection engine management system;
Optimization control of air intake and air intake time between the main combustion chamber and the pre-combustion chamber;
Load balancing (corrected according to the temperature control system in the rear of the cylinder).
High pressurization, two stages of intermediate cooling
Self-cleaning filtration technology
The filter element adopts a metal filter element and can realize automatic cleaning, without replacing the filter element.Not only can ensure the engine oil filtration requirements but also can extend the service life, reduce the use cost and maintenance labor intensity.
Prime Power kVA/kW 4000KW/5000KVA
R/min rated speed 1000RPM
Engine Model 16V26/32T
Fuel: LNG, CNG, Natural Gas, Biogas.
All ratings data is based on operation under IS08528 standard.
Weight kg 70000
Weight kg 70000 (open type)
Available in the following voltage: 6.3/10.5 KV
Jichai - ONE YEAR UNLIMITED WARRANTY 1 Turbocharger pre-mixing technology, where gas and air are sucked in at the same time in the compressor, to be suitable for low-pressure gas,
2 The rarefied combustion technology uses WOODWARDs E6 control system to accurately control the air-fuel ratio. Reach the high - altitude combustion ratio, achieve rarefied combustion
3 The single point injection and air-fuel ratio closed-loop control technology can realize the closed-loop control of the air-fuel ratio (in). The engine can adjust the amount of air and natural gas according to the requirements of different working conditions and different speeds so that the engine can run in the best state.
4 Efficient and reliable design of the intake and exhaust system, the use of advanced high-pressure ratio, large flow supercharger, increase the flow area of the intake pipeline, improve the intake efficiency
5 High efficiency, low resistance and plate type oil cooler to improve cooling efficiency, increase the cooling area of air and lubricating oil.
6 The ignition system with high energy and high reliability is selected to make the combustion of each cylinder of the engine more stable and even.
KEY BENEFITS
Ensures the display continues to operate
in extreme cold weather conditions.
Provides true generator and mains (utility)
sensing.
Provides clear accurate power
measurement information.
Provides secure and simple off site
monitoring. All ports are continuously active.
Provides multiple installation options.
Makes the module ideal for standard and
electronic engine applications.
Tracks the amount of fuel being used and
sounds an alarm if over/under fuel use is
detected.
Ensures the control module can be used
with the latest in modern electronic engine technology.
Ensures the load can be transferred
manually/automatically between mains (utility) and generator power.
Ensures the control module is suitable for worldwide use.
ADDITIONAL FEATURES Customisable status screens.
Multiple date & time scheduler.
Charge alternator failure alarm.
CAN engine manual speed control.
Manual fuel pump control.
Engine exerciser.kW & kV Ar overload protection.
Reverse power (kW & kV Ar) protection. Unbalanced load protection.
USB connectivity.
Backed-up real time clock.
Configurable Gencomm pages.
SMS messaging start & stop functionality.
Modem diagnostic display screens.
Remote display support (max 3 units)
PowerKit Gas Engine DatasheetRatings Definitions - COP- Unlimited using time per year;
- Continuous power is the maximum power available at a constant load factor;
- No overload capability is allowed
Ratings Definitions - PRP- Unlimited using time per year;
- The average load rate is no more than 70% over 24 hours;
- Overloading 10% for 1h within 12 hours of operation is allowed.
Ratings Definitions - ESP- he annual operating time shall not exceed 200h;
- The average load rate shall not exceed 70% over24h operation cycle;
- No overload capability is allowed;
- The acceleration of starting of engines are carried out in accordance with
Q/WCG136.13, and there's no engine process. From acceleration of starting to calibration speed shall be completed within 10s. Natural aspirated engine,
when the environment temperature is below 5°, need to increase preheat facilities to ensure that engine water temperature above 30°. When
environment temperature over 5°, no preheating facilities are required.
Supercharged engine, when the environment temperature is below 10°, need to increase preheat facilities to ensure that engine water temperature
above 30° When environment temperature over 10°, no preheating facilities are required
LTP
- No ability to overload;
- The annual operating time shall not exceed 500h while supplying a variable
electrical load.
DCP
- It has 10% overload capacity;
- Annual run time is unlimited;
- Working under variable or continuous load of less than 100%;
- The power load shall not exceed 70% of the calibration power when the device is running continuously.
Descriptions
- ISO 8528-1, ISO 3046, DIN6271+-5%
- All ratings are based on operating conditions under ISO 8528-1,ISO 3046, DIN6271. Performance tolerance of+-5%.
- Test conditions : 100 kPa, 25°C air inlet temperature, relative humidity of
30%. Derating may be required for conditions outside these; please contact the factory for details.
- Power output curves are based on the engine operating with gas system, water pump and lubricating oil pump, without battery charging alternator,
fan and optional equipment
OPTIONS
General Container 40FT
Structural design description:
The internal space is divided into two spaces: engine room and control room, and inspection channels on both sides of the equipment inside the engine room.
Functional description:
1)The container is equipped with a distribution box to provide power to all low-voltage loads in the engine room, such as horizontal radiator fans, control screens, lighting, exhaust (supply) fans (for horizontal distribution), chargers, electric heating (optional), oil pumps, electric heating (optional), and outdoor searchlights. It can also be responsible for controlling related equipment (according to project configuration requirements);
2)Two track suspension beams and a hoist are installed on the top of the engine room, with a lifting capacity of 0.5 tons per beam;
3)Inlet of engine air filter and the engine room are equipped with electric heating devices to avoid freezing and blockage (optional);
4)The floor of the machine room is equipped with an axial drive mechanism for the generator, which enables the generator to detach from the coupling by 200mm. (Optional)
5)If the indoor heating temperature in the machine room is not lower than 5 C deg., an insulation layer needs to be installed under the chassis of the machine room, and electric heating heaters (optional) are used inside the machine room;
6)One explosion-proof acoustic and visual alarm lamp is installed outside each machine room. The lighting inside the machine room is an explosion-proof LED lamp with emergency function. Other equipment and boxes do not need to be explosion-proof (optional).
7)Ladder: Install a simple ladder at a suitable position on the box;
8)Configure the fire protection system in the machine room: Install dry powder fire extinguishers as fire extinguishing devices (standard), and other flame detectors, methane leak detectors, smoke detectors, etc. as optional options;
9)Note: The specific configuration shall be subject to the actual situation of the project.
CHP system (Exhaust Heat Collector) CHP/ Cogeneration/ CCHP/ Trigeneration
1. The unique spiral winding structure increases the turbulence effect, and the heat exchange capacity per unit area is 3-7 times that of the traditional heat exchanger.
2. High heat transfer coefficient, high heat exchanger heat transfer efficiency, good heat transfer effect, high heat transfer coefficient up to 14000W/m·k, energy saving effect is remarkable.
3. Small size. With only one-tenth of the traditional tube and shell heat exchangers, it takes up less space and reduces infrastructure and installation and maintenance costs.
4. Using a small clearance design to increase the flow rate, the heat exchanger is not easy to foul, and the use and maintenance costs
are low.
5. Advanced design concept, the length of the heat exchange tube is 3-4 times the height of the cylinder, the material stays longer and the
heat transfer is more fully.
6. Spiral-wound elastic tube bundle design can effectively eliminate pipe vibration and stress due to thermal expansion and contraction deformation.
7. Unique 90 degree connection, heat exchangers all participate in heat exchange,
no dead ends and stagnant areas, reduce fluid resistance.
8. Counter-current heat transfer, asymmetric flow design, in the vapor-liquid heat transfer field has other advantages that can not be compared with heat exchangers.
Automatic Paralleling and Gridconnect Control System
This system can connect generator sets in parallel or connect the generator set to the grid automatically.
Remote Control
PMG Alternator
Oil and Water Heater
High Voltage Alternator 6.3kv and 10.5kv, High Voltage Electrical Control Cells (PT Cabinet)
CT Cabinet
High Voltage outgoing cabinet
DC Panel, Groud Resistance Cabinet and low voltage distribution cabinet etc)
The specification of the 4Mw Jichai 4000GF-T Natural Gas Generator Set
Gas generator
Gas generator model 4000GF70-T
Gas engine model 16V26/32T
Rated power 4000KW
Continuous output 3800KW
Rated frequency 50Hz
Rated power factor 0.8(lag)
Rated voltage 6300V
Rated speed 1000r/min
Oil consumption =0.5g/kWh
Generator efficiency =40%
Starting mode Pneumatic starter
Cooling mode High and low temperature circulating water coolingOperating mode Electric control
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%(adjusting)
Frequency fluctuation 0.5%
Instantaneous frequency regulation +-10%
Frequency recovery time 7 s
Overall Dimensions 9.4m x 2.9m x 4.17m
Weight 70 tons (detachable, engine weight 45 tons)
Gas engine data
Engine 16V 26/32T
Fule Natural gas
Type
Four stroke, Multi-point injection of gas, pre-combustion
chamber, turbocharging of exhaust gas, intercooling of
intake air, supercharger arranged at the flywheel end of
the engine
No. of Cylinder & Cylinder Arrangement 16 cylinders, V-type
Bore ×Stroke 260mm×320mm
Single cylinder displacement 17L
Rated speed 1000r/min
Rated power 4200kW
Rated average pressure 1.65 Mpa
Gas supply pressure 6~10bar
Gas consumption = 8500kJ/kWh
Lub-oil consumption = 0.5 g/kW· h
Exhaust temperature (after turbocharger) 450 deg.
Lubrication method Pressure and splash lubrication/
Starting method Pneumatic starter
Minimum working stable speed 400 r/min
NOx emissions 500mg/m3@5%O2
Noise at 1m at rated power 120 dB(A)
Dimensions (mm) 6748×2353×3255mmWeight 45t
Rotation direction Counterclockwise (viewed from the flywheel side)
Siemens Alternator data
Rated power 4000kW
Rated voltage 400, or 6300, 10500V
Rated current 435.32A
Rated frequency 50Hz
Power factor 0.8(lag)
Rated speed 1000r/min
Connection mode Y
Insulation grade H
Environment temperature 0~40 deg.
Altitude = 1000m
Protection level IP23
Ventilation mode Self ventilation(IC01)
Excitation mode Permanent self-excitation and constant voltage ( AVR)
Rated efficiency =95%
Relative voltage setting range +- 5%
Instantaneous voltage deviation +- 1%
Instantaneous voltage deviation when the load
increase -15%
Instantaneous voltage deviation when the load
decrease +20%
Recovery time < 1.5
Short circuit current capability 300%In: 2s
Waveform Distortion Rate THD = 5%
Telephone harmonic factor THF = 3%
Fuel consumption
Gas consumption of 16V26/32T gas genset
(when the unit output power is 3800kWe) Clean gas:~1000Nm3/h
Gas pressure from customer 10bar
Compressed air consumption
The air volume for each start of each genset: Air pressure:10 Bar; Capacity: 3Nm3
Prime Power (PRP): Prime power is available for an unlimited number of annual hours in variable load application, in
accordance with GB/T2820 -97 (eqv ISO8528);
A 10% overload capability is available for a period of 1 hour within a 12-hour period
of operation.
Standby Power Rating (ESP): The standby power rating is applicable for supplying emergency power for the duration of a utility
power interruption. No overload, utility parallel or negotiated outage operation capability is available at this rating.
Rated Voltage: generally the rated power includes 380/220V, 400/230V, 415/240V, 440/254V, we make it according to client's
requirements.
Control Panel
The DSE7310 is an Auto Start Control Module and the DSE7320 is an Auto
Mains (Utility) Failure Control Module suitable for a wide variety of single,
diesel or gas,gen-set applications
76807 view
15 months. If the quality problem arise during the warranty
period, and verified that the problem is caused by our genset-body instead of external or natural reasons (Refer to all kinds of
natural disaster shipping loading unloading wrong operation etc) we will supply the relevant spare parts free of charge for
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