50HZ Yuchai YC16VC4000-D31 2400kW/3000kVA Diesel Generator Set

50HZ Yuchai  2400kW/3000kVA Diesel Generator Set

1.Technical Parameters

2. Core Product Features

The Yuchai YC16VC4000-D31 2400kW/3000kVA diesel generator set is the flagship high-power model of Yuchai 16VC large-displacement industrial engine series. As a mainstream 50Hz ultra-heavy-duty diesel generator set for super-large industrial and national key engineering projects, it adopts upgraded water-air secondary intercooling technology and electronic precise fuel control. This 3300kVA standby diesel generator set breaks through the power limit of conventional high-power units, with more abundant power reserve, faster load response and stronger harsh environment adaptability. After long-term field operation verification in mining, petrochemical, data center and field engineering scenarios, it features low vibration failure rate, stable full-load operation and convenient later maintenance, solving the industry pain points of insufficient power margin and easy power attenuation of ordinary high-power generator sets.

2.1 16-Cylinder V-Type Large-Displacement Structure, Ultra-Abundant Power Reserve

Equipped with genuine Yuchai YC16VC4000-D31 professional industrial power engine with 105.56L super large displacement, the unit adopts 16-cylinder V-type symmetrical layout and four-valve independent air intake design. Compared with traditional 12-cylinder high-power generator sets, it has more uniform cylinder power output, lower operating vibration and far stronger power surplus. The high-rigidity arc reinforcement rib cylinder block and four-bolt main bearing structure greatly improve overall structural stability, while the high-quality alloy forged steel crankshaft enhances mechanical fatigue resistance, fully adapting to 24-hour uninterrupted full-load heavy-duty cycle operation. It can stably output 2400kW long-term continuous prime power and support 2640kW short-time emergency standby power output, effectively coping with instantaneous load surge and frequent peak power fluctuation of super-large industrial equipment, ensuring stable 50Hz frequency and 400V three-phase balanced voltage output without flicker or drift.

2.2 Upgraded Intercooling & Electronic Fuel Control, Stable and Efficient Operation

This 2400kW Yuchai diesel generator set is equipped with an upgraded water-air turbocharged intercooled system and electronic controlled monomer pump fuel injection technology. The secondary intercooling structure ensures sufficient low-temperature air intake under 100% full load, making fuel combustion fuller and more thorough, effectively reducing exhaust smoke and carbon deposition. The intelligent fuel supply system can dynamically adjust fuel injection volume and timing according to real-time load changes, realizing precise oil-gas matching. The full-load fuel consumption is stably controlled at 673.9L/H, maintaining a reasonable balance between ultra-high power output and operational economy. Adopting Yuchai’s exclusive optimized combustion chamber technology, it effectively reduces heat loss and invalid fuel waste, while meeting China Non-road Stage III emission standards, with low noise and low pollution, more in line with modern green industrial power supply requirements.

2.3 Brushless Self-Excited Alternator, High Safety and Ultra-Long Service Life

Matched with industrial-grade high-performance brushless self-excited alternator, the unit completely cancels traditional carbon brush and slip ring vulnerable friction parts, fundamentally eliminating mechanical wear, electric spark discharge and electromagnetic interference during long-term high-power operation. The output power waveform is pure and stable, which will not interfere with precision testing instruments, industrial PLC control systems and flammable and explosive production workshops. Adopting H-grade ultra-high temperature resistant insulation materials, the alternator can resist long-term high-load and high-temperature aging, effectively avoiding insulation breakdown, electric leakage and other electrical faults. With IP23 professional dust-proof and splash-proof protection grade, and optional anti-high temperature, anti-humidity and anti-salt fog coating treatment, the unit can operate stably in dusty workshops, humid machine rooms, open-air construction sites and coastal harsh environments, with excellent environmental adaptability.

2.4 G3 High-Precision Power Regulation, Intelligent Protection and Expandable Functions

Complying with ISO 8528 G3 and GB2820 G3 high-precision industrial power generation standards, the unit features extremely low voltage and frequency deviation during load switching, ensuring high-quality power supply for precision electronic equipment and automated production lines. It is equipped with a full set of intelligent monitoring and fault self-protection systems, covering overvoltage, undervoltage, overload, overspeed, high water temperature, low oil pressure and automatic shutdown protection functions. Operators can view real-time operating data such as unit voltage, frequency, oil pressure and water temperature through the intelligent controller, with automatic alarm and protection in abnormal conditions. It supports optional ATS automatic switching, remote cloud monitoring, multi-unit parallel operation and black start functions, realizing unattended automatic power switching and cluster centralized management, greatly reducing enterprise daily operation and maintenance pressure.

3. Main Application Scenarios

Relying on 16-cylinder large-displacement strong power performance, G3-level high-precision power supply quality, ultra-high full-load stability and multi-environment adaptive capacity, the Yuchai YC16VC4000-D31 ultra-heavy-duty diesel generator set can be flexibly used as long-term off-grid main power supply and municipal grid emergency standby power supply. It is widely applied in super-large energy mining, petrochemical industry, large data center clusters, municipal key infrastructure, coastal engineering construction and national defense special power guarantee scenarios.

3.1 Super Large Energy Mining and Petrochemical Industrial Parks

This 3000kVA industrial diesel generator set is the core power supply equipment for large open-pit mines, underground mining bases, metallurgical processing plants and large-scale petrochemical industrial parks. These heavy-duty scenarios have ultra-high daily power consumption and zero tolerance for power supply interruption. The 2400kW continuous prime power can support 24-hour uninterrupted operation of heavy mining machinery, large smelting equipment and automated chemical production lines. When the municipal grid fails, is overhauled or limited in power during peak summer and winter power consumption periods, the 2640kW high standby power can quickly take over power supply, avoiding large-scale production shutdown and precision equipment damage, and minimizing huge economic losses for energy and chemical enterprises.

3.2 Large Data Center Clusters and Cloud Computing Base Stations

As a high-standard emergency backup power supply for large internet data centers, cloud computing industrial parks and 5G core communication base station clusters, this high-power Yuchai generator set features fast start and seamless power switching. Its G3-level stable power output effectively avoids core data loss, server downtime and network signal interruption caused by municipal grid power fluctuation and sudden power failure, ensuring 7×24-hour safe and stable operation of digital infrastructure and precision communication equipment.

3.3 National Key Municipal Public Infrastructure

It serves as the emergency power guarantee equipment for provincial tertiary hospital clusters, airport and railway transportation hubs, urban municipal emergency engineering, urban drainage and flood control systems and large public cultural facilities. These public infrastructure projects are closely related to social operation and public safety. Sudden power failure will lead to interrupted medical rescue, paralyzed public transportation and failed emergency scheduling. This unit can quickly respond to power failure emergencies and provide continuous and stable ultra-high-power support for key public facilities.

3.4 Coastal Off-Grid Engineering and Special Industrial Scenarios

In remote island development, coastal port construction, large-scale road and bridge infrastructure projects, new energy industrial bases 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 IP23 high protection grade and optional anti-salt fog and anti-corrosion treatment, it adapts to high-temperature, humid and high-salt-fog coastal harsh working conditions, providing stable ultra-high-power guarantee for large construction machinery and on-site production and living equipment.

4. Core Product Uses

As the top flagship large-displacement high-power power generation equipment of Yuchai 16VC series, the YC16VC4000-D31 unit focuses on emergency power backup, off-grid continuous main power supply, municipal grid peak shaving and all-weather harsh environment power guarantee, meeting the ultra-high-standard power demand of super-large industrial enterprises and national key engineering projects.

4.1 Municipal Grid Emergency Standby Power Supply

Emergency standby power supply is the most mainstream application of this 2400kW prime power diesel generator set. Under daily working conditions, the unit maintains hot standby state. Once the municipal power grid trips, fails or undergoes planned maintenance, the equipment can complete fast start and seamless power switching in a short time. It is mainly used to protect core industrial production equipment and key municipal public infrastructure, effectively avoiding safety accidents and economic losses caused by sudden power interruption.

4.2 Long-Term Off-Grid Main Power Supply

In remote areas, field operation sites, coastal engineering zones and energy industrial zones with insufficient grid capacity and unstable voltage, the 3000kVA stable continuous power output can be used as long-term main power supply. With excellent long-duration full-load operation stability and strong load impact resistance, it can completely replace municipal grid power supply, fully meeting the 24-hour high-power consumption demand of ultra-large off-grid engineering construction and industrial production.

4.3 Power Grid Peak Shaving and Voltage Stabilization

In industrial-intensive areas with tight grid power supply and obvious peak power shortage in summer and winter peak seasons, the unit can cooperate with the municipal grid for peak shaving operation. It supplements grid power shortage during peak power consumption, stabilizes 50Hz frequency and 400V rated voltage, suppresses voltage fluctuation and frequency drift, protects precision electrical equipment and automated production lines, and improves the overall stability of regional industrial power consumption.

4.4 All-Weather Harsh Environment Power Guarantee

Benefiting from H-grade high-temperature resistant insulation and IP23 dust-proof and splash-proof performance, matched with upgraded secondary intercooling and anti-corrosion technology, the unit can operate stably in high-temperature, humid, dusty and coastal salt-fog harsh working conditions. It can provide reliable all-weather power guarantee for municipal emergency rescue, large-scale event power supply, national defense engineering and heavy industrial production, adapting to complex and changeable on-site working conditions.

5. Common FAQ

Q1: What is the difference between prime power and standby power of YC16VC4000-D31 generator set in actual use?

The 2400kW/3000kVA prime power is continuous rated power, supporting long-term full-load stable operation and suitable for daily off-grid main power supply and long-time heavy-load industrial production. The 2640kW/3300kVA standby power is emergency peak power, only designed for short-time power supply when the municipal grid fails. According to national industry specifications, the annual cumulative use time of standby power shall not exceed 500 hours, and long-term full-load operation is prohibited. Long-term overuse of standby power will accelerate mechanical wear of the 16-cylinder large-displacement engine, cause power attenuation, increase equipment failure rate, and shorten the overall service life of the ultra-high-power diesel generator set.

Q2: What are the unique advantages of YC16VC4000-D31 compared with other Yuchai high-power units?

This Yuchai YC16VC4000-D31 generator set adopts upgraded water-air secondary intercooling technology on the basis of the classic 16VC series platform, with better high-load heat dissipation performance and stronger continuous operation capacity. Equipped with electronic controlled monomer pump precise fuel supply system and four-valve high-efficiency air intake structure, it has faster load response speed and fuller combustion efficiency. With 105.56L super large displacement, it has the strongest power reserve among similar models, and can cope with more severe load impact and harsh working conditions. The brushless alternator design eliminates vulnerable carbon brush parts, greatly reducing later maintenance costs, making it more suitable for super-large industrial full-load continuous power supply scenarios.

Q3: How to maintain YC16VC4000-D31 unit to reduce fuel consumption and extend service life?

In daily on-site operation, 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 energy-efficient and stable working range for this large-displacement heavy-duty unit. Regularly replace air filters, diesel filters and oil filters to ensure unobstructed air intake and fuel supply of the secondary intercooling system and prevent incomplete combustion from increasing fuel consumption. Inspect the closed-cycle water cooling system regularly to eliminate poor heat dissipation faults and avoid high-temperature power attenuation and equipment aging. In addition, use qualified standard diesel oil and special engine lubricating oil, and monitor operating data in real time to eliminate hidden faults in advance and ensure long-term stable operation of the unit.