50HZ Yuchai YC12VC2070-D31 1200kW/1500kVA Diesel Generator Set

50HZ Yuchai 1200kW/1500kVA Diesel Generator Set
1. Technical Parameters
Parameter Item | Technical Specification Data |
Generator Set Model | YC12VC2070-D31 Yuchai 12-Cylinder V-type Super Heavy-duty Diesel Generator Set |
Rated Frequency | 50Hz |
Prime Power (Continuous Rated Power) | 1200kW / 1500kVA |
Standby Power (Emergency Peak Power) | 1320kW / 1650kVA |
100% Full Load Fuel Consumption | 339.2 L/H |
Rated Voltage | 400/230V (Three-phase four-wire) |
Rated Power Factor | 0.8 (lagging) |
Rated Speed | 1500r/min |
Engine Brand | YUCHAI (Original Guangxi Yuchai Heavy-duty Diesel Engine) |
Engine Model | YC12VC2070-D31 |
Engine Structure | 12-cylinder V-type, 4-stroke, water-cooled, turbocharged & intercooled |
Fuel Supply System | Electronic controlled precise fuel injection system |
Emission Standard | China Non-road Stage III |
Alternator Excitation Type | Brushless, self-excited with automatic AVR voltage regulation |
Insulation Grade | H Grade |
Protection Grade | IP23 |
Cooling Mode | Closed-cycle forced water cooling |
Starting Mode | 24V DC electric start |
Voltage Regulation Accuracy | ≤±0.5% |
Execution Standard | GB2820 G3 Industrial Power Generation Standard |
2. Core Product Features
The Yuchai YC12VC2070-D31 1200kW/1500kVA diesel generator set is a top-tier super heavy-duty power generation unit built on Yuchai mature VC series high-power engine platform. As a mainstream high-power 50Hz industrial diesel generator set for ultra-large industrial and national key projects, it adopts advanced 12-cylinder V-type layout and upgraded turbocharged intercooled technology. This 1500kVA diesel generator boasts ultra-large power reserve, excellent long-term heavy-load operation stability and strong harsh environment adaptability, effectively solving the problems of insufficient power attenuation and unstable voltage of conventional high-power units under extreme working conditions. With industrial-grade durability, low comprehensive failure rate and convenient later maintenance, it has become a reliable main power supply and emergency standby power solution for super-large industrial parks, mining bases and municipal core infrastructure projects.
2.1 12-Cylinder V-Type Heavy-Duty Structure, Ultra-Sufficient Power Reserve
Equipped with genuine Yuchai YC12VC2070-D31 professional power engine, this unit adopts optimized 12-cylinder V-type inline structure and high-efficiency turbocharged intercooled air intake system. Compared with traditional inline high-power generator sets, it features more balanced cylinder operation, stronger power output stability and larger power margin. It can stably provide 1200kW long-term uninterrupted prime power and support 1320kW short-time emergency standby power output, fully meeting the ultra-high load operation demand of super-large industrial equipment. In actual on-site operation, it can cope with instantaneous load surge and frequent peak power fluctuation, always maintaining stable 50Hz frequency and 400V three-phase balanced voltage output without flicker or frequency drift, and can adapt to 24-hour non-stop heavy-load production operation all year round.
2.2 Electronic Precise Fuel Control, Balanced Power and Operational Economy
This 1200kW Yuchai diesel generator set is matched with an intelligent electronic controlled fuel injection system, which can dynamically adjust fuel injection volume and timing according to real-time load changes, realizing precise oil-gas mixing and full combustion. The full-load fuel consumption is stably controlled at 339.2L/H, achieving a reasonable balance between ultra-high power output and operating cost control. The upgraded combustion chamber structure optimizes air intake and combustion efficiency, reduces invalid fuel waste and heat loss, and effectively lowers daily fuel operating costs for large enterprises. Meanwhile, the VC series engine adopts serialized modular design with high versatility of accessories, avoiding the trouble of difficult matching of special parts in later maintenance, greatly reducing equipment maintenance difficulty and spare parts replacement cost.
2.3 Brushless Self-Excited Alternator, High Safety and Long Service Life
The unit is equipped with industrial-grade high-performance brushless self-excited alternator, which completely cancels traditional carbon brush and slip ring friction components, fundamentally eliminating mechanical wear, electric spark discharge and electromagnetic interference during long-term high-power operation. The whole machine runs safely and stably, and will not interfere with precision instruments, communication base station equipment and flammable and explosive production workshops. Equipped with H-grade ultra-high temperature resistant insulation materials, the alternator can resist long-term high-load and high-temperature aging, effectively preventing insulation breakdown, electric leakage and other common electrical faults. The IP23 professional dust-proof and splash-proof protection grade enables the unit to operate stably in open-air construction sites, dusty industrial workshops, humid outdoor machine rooms and other complex harsh environments, with outstanding environmental adaptability and anti-interference performance.
2.4 Full Intelligent Fault Protection, Low Operation and Maintenance Threshold
This 1650kVA standby diesel generator set is equipped with a complete intelligent monitoring and self-protection system, covering overvoltage, undervoltage, overload, overspeed, high water temperature, low oil pressure and automatic shutdown protection functions. It can monitor core operating data such as unit oil pressure, water temperature, output voltage and frequency in real time, automatically alarm and cut off power in abnormal conditions, effectively protecting equipment circuits and user property safety. The humanized internal layout and standardized wiring design simplify daily inspection and maintenance procedures. On-site operators can complete routine maintenance work such as three-filter replacement, oil quality detection and equipment dust cleaning without professional technical support, greatly reducing daily operation management pressure and after-sales maintenance workload.
3. Main Application Scenarios
Relying on 12-cylinder strong power output, ultra-high operational stability and wide environmental adaptability, the Yuchai YC12VC2070-D31 super heavy-duty diesel generator set covers all ultra-large-scale high-power and high-reliability power demand fields. It can be used as both long-term off-grid main power supply and municipal grid emergency backup power supply, and is widely applied in super heavy industrial production, national key municipal infrastructure, large commercial building clusters and field off-grid engineering projects.
3.1 Super Large Heavy Industry, Mining and Chemical Industrial Parks
This 1500kVA industrial diesel generator set is specially customized for super large manufacturing bases, large open-pit mines, metallurgical processing plants and large-scale chemical industrial parks. These heavy-duty scenarios have huge daily power consumption and extremely strict requirements for power supply continuity and stability. The 1200kW continuous prime power can support 24-hour uninterrupted operation of ultra-heavy mining equipment, large automated production lines and industrial supporting facilities. When the municipal grid is cut off, limited in power or fails suddenly, the 1320kW high standby power can quickly take over the power supply, avoid large-scale production shutdown and precision equipment damage, and minimize economic losses caused by sudden power interruption for large industrial enterprises.
3.2 National Key Municipal Public Infrastructure
It serves as the core emergency power guarantee equipment for large data center clusters, provincial-level tertiary hospital clusters, airport and railway hub supporting facilities, urban municipal emergency engineering and national communication core base stations. As key infrastructure supporting national social operation and data security, these scenarios have zero tolerance for power failure. Sudden power interruption will lead to core data loss, medical rescue suspension and public facility paralysis. This high-power Yuchai generator set features fast start and seamless power switching, which can continuously provide stable and reliable power for precision medical equipment, server room systems and public service facilities, ensuring the stable operation of national key infrastructure.
3.3 Super Large Commercial Complexes and High-Rise Building Clusters
For super large commercial city complexes, super high-rise office building clusters and large-scale urban residential communities, this generator set is a standard fire emergency backup power supply that fully meets national fire protection acceptance standards. In case of municipal grid power failure, planned power maintenance and peak power limitation in seasonal peak power consumption periods, the unit can start instantly to supply stable power for fire linkage systems, building elevators, emergency lighting, security monitoring and weak current systems, ensuring building fire safety and personnel evacuation safety in emergency situations.
3.4 Large-Scale Off-Grid Field Engineering and Special Scenarios
In remote large-scale road and bridge projects, new energy industrial bases, island engineering construction, field operation camps and national defense engineering projects without stable municipal grid coverage, this 50Hz Yuchai diesel generator set can be used as the main power supply equipment. Relying on excellent high-temperature resistance, dust resistance and splash resistance, it can operate stably in harsh outdoor environments, providing continuous and stable high-power support for large construction machinery, on-site living facilities and professional production equipment, solving the long-term stable power supply problem of ultra-large off-grid engineering projects.
4. Core Product Uses
As a flagship 12-cylinder V-type ultra-high-power power generation equipment of Yuchai VC series, the YC12VC2070-D31 unit focuses on emergency power backup, off-grid continuous main power supply, municipal grid peak shaving and special industry all-weather power guarantee, which can flexibly meet the diversified ultra-high-standard power demand of large industrial and national engineering users.
4.1 Municipal Grid Emergency Standby Power Supply
Emergency power backup is the most mainstream application of the 1200kW prime power diesel generator set. In daily operation, the unit keeps hot standby state. Once the municipal power grid trips, fails or undergoes planned overhaul, the equipment can start quickly and complete seamless power switching in a short time. It is mainly used to protect core large-scale production equipment and national key public infrastructure, avoid safety accidents and huge economic losses caused by sudden power interruption, and provide reliable emergency power guarantee for various high-standard scenarios.
4.2 Long-Term Off-Grid Main Power Supply
In remote areas, large field operation sites and industrial zones with insufficient grid capacity and unstable voltage, the 1500kVA stable continuous power output can be used as long-term main power supply. With excellent long-duration operation stability and ultra-strong load resistance, it can support 24-hour uninterrupted operation of large-scale production and living equipment, completely replacing municipal grid power supply, and fully meeting the long-term high-power consumption demand of ultra-large off-grid engineering and production scenarios.
4.3 Power Grid Peak Shaving and Voltage Stabilization
In industrial intensive areas with tight grid power supply and obvious peak power shortage, the unit can cooperate with the municipal grid for peak shaving operation. During peak power consumption periods, it supplements grid power shortage, stabilizes 50Hz frequency and 400V rated voltage, suppresses power fluctuation and voltage drop, effectively protects precision electrical equipment and large automated production lines from damage caused by unstable power supply, and improves the overall stability of regional industrial power consumption.
4.4 All-Weather Power Guarantee for Special Industries
Relying on H-grade high-temperature resistant insulation and IP23 high protection grade, the unit adapts to various harsh working conditions such as high temperature, humidity and heavy dust. It can provide professional all-weather power guarantee for municipal emergency rescue, national defense engineering, large-scale event power guarantee and heavy industrial production industries, meeting the ultra-high reliability power demand of special industry scenarios.
5. Common FAQ
Q1: What is the actual usage difference between prime power and standby power of YC12VC2070-D31 generator set?
The 1200kW/1500kVA prime power is continuous rated power, which supports long-term full-load stable operation and is suitable for daily off-grid main power supply and long-time heavy-load production operation. The 1320kW/1650kVA standby power is emergency peak power, only designed for short-time power supply when the municipal grid fails. According to national industry specifications, the cumulative annual use time of standby power shall not exceed 500 hours, and long-term full-load operation is prohibited. Frequent overuse of standby power will aggravate mechanical wear of the 12-cylinder V-type engine, increase equipment failure rate, and greatly shorten the overall service life of this ultra-high-power generator set.
Q2: What are the core advantages of Yuchai YC12VC2070-D31 12-cylinder V-type unit compared with same-power inline generator sets?
Compared with traditional inline generator sets of the same power level, the YC12VC2070-D31 12-cylinder V-type diesel generator has more uniform cylinder power output and larger power reserve. The V-type compact structural layout effectively reduces unit vibration and operating noise, ensuring more stable operation under long-term full heavy load. Meanwhile, the matched high-efficiency turbocharged intercooled system realizes fuller fuel combustion and faster load response speed, with stronger resistance to sudden load impact. It is more suitable for ultra-large industrial scenarios with long-term continuous power consumption and frequent load fluctuation, featuring higher operational stability and equipment durability.
Q3: How to maintain the YC12VC2070-D31 1200kW diesel generator set to reduce fuel consumption and failure rate?
First, avoid long-term no-load idling and low-load operation, and keep the operating load between 60% and 80% of rated power, which is the most stable and energy-efficient working range for this VC series super heavy-duty unit. Second, regularly replace air filters, diesel filters and oil filters to ensure smooth air intake and fuel supply of the turbocharged system and avoid insufficient combustion leading to increased fuel consumption. Third, inspect the closed-cycle water cooling system regularly to prevent equipment high-temperature aging and power attenuation caused by poor heat dissipation. In addition, use qualified standard diesel oil and special engine lubricating oil, and conduct regular cylinder balance inspection for the 12-cylinder engine to ensure balanced operation of each cylinder and effectively reduce operating costs and failure risks.

