YC12VTDG-700N5LC
Rated power: 700 kW
Gas source: natural gas (CH4≥85%)
Voltage/frequency: 400 V/50 Hz
Product introduction
High Reliability
Based on the mature product design and production platform, Yuchai has independently developed and manufactured high-temperature wear-resistant materials and high-strength components (including cylinder block, cylinder head, camshaft, crankshaft, and common base) suitable for gas genset, greatly improving the reliability and durability of the product.
01
High Efficiency and Environmental Friendliness
The application of such mature technologies as lean combustion, high-energy capacitor ignition module, Yuchai's patented combustion chamber, high efficiency turbocharger, and oxygen sensor closed-loop control ensures efficient and clean gas combustion, accurate air-gas ratio control, higher performance consistency and stability, and low emissions.
Yuchai's patented rear gear chamber and point-line meshing gear technology and the four-valve technology are applied to the gas engine, effectively reducing the mechanical noise, exhaust noise and exhaust temperature of the powertrain, and ensuring the friendliness to operators and the natural environment.
02
Low Maintenance Costs
Yuchai's patented cylinder liner, piston ring and valve seal technologies are applied, greatly reducing the consumption rate of lubricating oil, and extending the change cycle of lubricating oil to be more than 1,500 hours. The gas genset is equipped with parts with good universality and convenient maintenance, greatly reducing the maintenance cost of power generation equipment.
03
Safety Protection
The genset is equipped with an independent mature genset control system to realize stable control, a knock monitor for each cylinder to realize real-time condition monitoring of the genset, as well as crankcase and inlet pipe explosion-proof valves, ensuring the safety of the genset.
04
Alternator
The alternator has the advantages of high generating efficiency, low temperature rise, low waveform distortion rate, good dynamic performance and stable AVR parallel operation, as well as first-class reliability and durability, and can meet the service requirements of various harsh environments.
05
Standard range
|
NO. |
Part Name
|
Unit |
Quantity |
NO. |
Part Name
|
Unit |
Quantity |
|
1 |
Gas engine
|
Set
|
1 |
6 |
Valve group
|
Set
|
1 |
|
2 |
Alternator
|
Set
|
1 |
7 |
Silencer, bellows
|
Set |
1 |
|
3 |
Pipeline pump
|
Set.
|
1 |
8 |
Battery
|
Set
|
1 |
|
4 |
Common base
|
Set |
1 |
9 |
Accompanying tools
|
Set |
1 |
| 5 |
Local control cabinet
|
Set | 1 | 10 |
Accompanying documents
|
Set | 1 |
| 1. The radiator parts are optional. 2. The accompanying documents include operation manual, outline and installation drawing, list of technical parameters, motor specifications, electrical cabinet specifications, wiring diagram, and three guarantees service manual. |
|||||||
Control function
|
Basic function |
Power switch, startup, shutdown, emergency stop, and closing and opening control
|
|
Display function |
Phase voltage, line voltage, current, frequency, phase sequence, active power, reactive power, apparent power, power factor, cumulative energy output, speed, oil pressure, coolant temperature, exhaust temperature, genset operation time, cumulative startup times, and battery voltage
|
|
Protection function |
Overspeed protection, underspeed protection, overvoltage protection, undervoltage protection, overfrequency protection, underfrequency protection, overcurrent protection, overpower protection, low oil pressure protection, high water temperature protection, high exhaust temperature protection, low battery voltage protection, and charging failure protection |
Unit size&weight
| Net dimensions and weight of genset |
A
|
B
|
C
|
D | E |
Weight
|
|
3702mm
|
2033mm
|
2148mm
|
3550mm
|
1800mm
|
8215kg
|
Note: The above data and information will be updated with the upgrade of the product, and Yuchai reserves the right to make technical changes
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| Generator Set Parameters | |
| Model |
YC12VTDG-700N5LC
|
| Rated power |
700 kW/875 kVA
|
| Rated speed |
1,500 r/min
|
| Rated voltage |
400 V
|
| Rated current |
1263A
|
| Frequency |
50HZ |
| PF | 0.8(lagging) |
| Generator efficiency |
≥37%
|
| Fuel consumption rate under full load |
216.31m³/h
|
| Noise |
≤105 dB(A) @ 1m
|
| Starting method |
electronic
|
| Weight |
8,215 kg
|
| Engine Parameters | |
| Model |
YC12VTD1150N-D30
|
| Rated power |
770 kW
|
| Rated speed |
1,500 r/min
|
|
Number of cylinders:
|
12 |
|
Form
|
V-type, four-stroke, water-cooling
|
| Bore× stroke(mm) |
152 mm ×180 mm
|
|
Displacement
|
39.2 L
|
| Compression ratio |
12.5:1
|
|
Control system
|
ECU
|
|
Oil consumption rate
|
≤0.3 g/kWh
|
|
Coolant capacity (excluding radiator)
|
153 L
|
|
Oil capacity
|
210 L
|
|
Overhaul interval
|
40,000 h
|
|
Alternator Parameters
|
|
|
Alternator model
|
YC-700-4
|
|
Wiring mode
|
three-phase four-wire system (Y type)
|
|
Voltage regulation mode
|
AVR
|
|
IP grade
|
IP21
|
|
Insulation class
|
F
|
| Heat Balance Parameters | |
|
Coolant heat of cylinder liner (±8%)
|
402kW
|
|
Coolant heat of oil cooler (±8%)
|
168 kW
|
|
Total coolant heat of high-temperature cooling system(±8%)
|
570 kW
|
| Coolant heat the secondary stage of intercooler(±8%) |
147 kW
|
|
Total coolant heat of low-temperature cooling system(±8%)
|
147 kW
|
|
Waste heat of exhaust gas (with the exhaust gas temperature up to 120°C) (±8%)
|
357 kW
|
|
Power loss of pump and fan
|
20 kW
|
|
Total radiant heat (±8%)
|
59 kW
|
| Cooling Parameters | |
|
Flow rate of high-temperature circulating water
|
73.5 m³/h
|
| Inlet temperature of high-temperature circulating water (±2%) |
79.3°C
|
| Outlet temperature of high-temperature circulating water (±2%) |
86°C
|
|
Flow rate of low-temperature circulating water
|
42 m³/h
|
|
Low-temperature inlet water temperature (±2%)
|
40℃
|
|
Low-temperature outlet water temperature (±2%)
|
43.5°C
|
|
Intake and Exhaust Parameters
|
|
|
Air intake
|
3643.7 kg/h
|
|
Gas intake
|
140.6 kg/h
|
|
Air displacement
|
3784.2kg/h
|
|
Exhaust temperature after turbocharger (±5%)
|
425°C
|
| Test Conditions | |
|
Calorific value of gas
|
9.1 kWh/m³
|
|
Volume content of methane
|
≥85%
|
|
Gas temperature
|
10~40°C
|
|
Gas humidity
|
＜30%
|
|
Gas intake pressure
|
10~30 kPa
|
|
Air intake negative pressure
|
＞-3kPa
|
|
Exhaust back pressure
|
＜5kPa
|
|
Absolute atmospheric pressure
|
101.32kPa
|
|
Ambient temperature
|
25℃
|
|
Relative humidity
|
≤30%
|
| Altitude |
≤1000m
|
|
Note: All data of the gas genset are measured in the above test environment.
|
|
