50HZ YUCHAI YC6A245L-D21 150kW/187.5kVA Diesel Generator Set

50HZ YUCHAI 150kW/187.5kVA Diesel Generator Set
1. Technical Parameter
Parameter Category | Parameter Item | Technical Data |
Overall Unit Parameters | Brand | YUCHAI |
Unit Matching Engine Model | YC6A245L-D21 | |
Prime Power (kW/kVA) | 150kW/187.5kVA | |
Standby Power (kW/kVA) | 160kW/200kVA | |
Rated Frequency | 50Hz | |
Rated Voltage | 400/230V, Three-phase four-wire | |
Rated Speed | 1500rpm | |
100% Full Load Fuel Consumption | 40.1L/H | |
Diesel Engine Parameters | Engine Brand & Model | YUCHAI YC6A245L-D21 |
Engine Type | 6-cylinder inline, 4-stroke, water-cooled, turbocharged & intercooled | |
Fuel Supply Mode | Mechanical direct injection + electronic speed regulation | |
Displacement | 7.26L | |
Starting Mode | 24V DC Electric Starting | |
Minimum Fuel Consumption Rate | ≤195g/kW·h | |
Lube Oil Capacity | 24L | |
Applicable Altitude | ≤2500m (No power derating) | |
Low-temperature Startup Performance | Stable cold start at -25℃ | |
Alternator Parameters | Excitation Type | Brushless Self-excited |
Insulation Grade | H Grade | |
Protection Grade | IP23 | |
Voltage Regulation Precision | ≤0.3% | |
Frequency Droop Rate | ≤3% | |
General Operating Parameters | Emission Standard | Euro 2 / Non-road National Stage III |
Noise Level (1m Distance) | ≤102Lw | |
Major Overhaul Cycle | ≥12000 Hours |
2. Core Product Features
The YUCHAI YC6A245L-D21 150kW diesel generator set is a cost-effective medium-power power generation device tailored for industrial and commercial backup power and field continuous power supply. Adopting Yuchai’s mature 6A series classic power engine and high-performance brushless alternator, this 187.5kVA 50Hz diesel generator balances stable power output, low fuel consumption and low maintenance cost, and is one of the most widely used fixed generator sets in the domestic medium-power market.
2.1 Stable Power Output and Ultra-high Operational Reliability
This industrial generator set is equipped with the original Yuchai YC6A245L-D21 dedicated power engine, featuring inline six-cylinder four-stroke structure and turbocharged intercooled air intake design. The optimized ω-shaped direct injection combustion chamber ensures full fuel combustion and stable power release, effectively avoiding power fluctuation under variable load conditions. Matched with a brushless self-excited alternator, it eliminates carbon brush wear, contact spark and frequent failure problems of traditional brushed generators. Combined with H-grade high-temperature resistant insulation materials and IP23 dustproof and waterproof protection grade, the unit can maintain continuous and stable full-load operation in high-temperature, dusty and humid working environments for a long time. The electronic speed regulation system realizes precise speed and voltage control, with voltage regulation accuracy as low as ≤0.3%, fully meeting the power supply standards of precision equipment and industrial production lines.
2.2 Low Fuel Consumption and Excellent Energy-saving Performance
Focusing on the actual power consumption demand of long-term operation of industrial users, this Yuchai diesel generator set achieves excellent energy-saving indicators through structural optimization and combustion calibration. The full-load fuel consumption is only 40.1L/H, and the minimum fuel consumption rate is as low as ≤195g/kW·h, which is significantly lower than most peer products of the same power level. The mechanical fuel injection system is stable and durable, with low failure rate of fuel supply system, avoiding extra fuel waste caused by equipment failure. Whether it is long-term continuous off-grid power generation or intermittent emergency standby power, it can effectively reduce user’s daily fuel cost and operation expenditure, with prominent economic benefits.
2.3 Strong Environmental Adaptability and Wide Applicability
Different from ordinary civil generator sets, this 160kW standby power generator has outstanding harsh environment resistance. It supports reliable cold start at -25℃ without preheating auxiliary equipment, adapting to outdoor power supply operations in cold northern regions and winter engineering construction. The whole machine has no power derating when working at an altitude of 2500 meters, which can perfectly adapt to plateau mountain construction, remote mining area power supply and other special scenarios. The IP23 professional protection structure can effectively block outdoor dust, floating debris and light rain erosion, protecting internal electrical components and engine parts from damage. The integrated vibration damping structure reduces operating vibration and noise, making it suitable for indoor machine room, outdoor open-air and semi-enclosed installation environments.
2.4 Simple Maintenance and Low Long-term Operation Cost
The YC6A245L-D21 genset adopts a mature and reliable mechanical structure with simple overall configuration and low failure rate. The brushless alternator design saves the regular carbon brush replacement and daily debugging work required by traditional generators, greatly reducing later maintenance workload. Yuchai 6A series engines have complete after-sales service network and universal spare parts, with low procurement cost and convenient maintenance. The engine has a long major overhaul cycle of more than 12000 hours, which effectively reduces equipment shutdown maintenance time and replacement cost. It is very suitable for unattended long-term operation scenarios of industrial and commercial enterprises.
3. Main Application Scenarios
With stable 150kW prime power continuous output and 160kW emergency standby power reserve, standard 50Hz industrial frequency and strong environmental adaptability, the YUCHAI YC6A245L-D21 diesel generator set covers multiple mainstream power demand fields, and is widely recognized in industrial backup power, commercial supporting power, field engineering power supply and emergency power guarantee industries.
3.1 Industrial Production Backup Power Supply
It is the preferred emergency backup power equipment for medium-sized processing factories, mechanical manufacturing workshops, food processing enterprises, chemical plants and textile enterprises. For industrial production lines that cannot be shut down suddenly, this 187.5kVA industrial diesel generator can start quickly and switch power supply automatically after grid power failure, avoiding production shutdown losses, product scrapping and equipment shutdown wear caused by power interruption. At the same time, it can be used as the main power supply for remote industrial parks and factory areas with unstable grid power and insufficient municipal power supply capacity to ensure continuous and orderly production operation.
3.2 Commercial and Public Infrastructure Power Guarantee
This genset is widely used in standby power supply of high-rise office buildings, shopping malls, star hotels, hospitals, schools and residential communities. For key public facilities such as hospital medical equipment rooms, building fire control systems and community monitoring systems that require high power supply stability, the unit can provide 24-hour stable emergency power supply to ensure the normal operation of fire protection equipment, medical rescue equipment and daily office equipment, and eliminate safety hazards caused by sudden power failure.
3.3 Outdoor Engineering and Field Construction Power Supply
In municipal road renovation, bridge engineering, water conservancy projects, railway construction, field exploration and other outdoor construction scenarios where municipal power grid cannot cover or power supply is unstable, this Yuchai generator set acts as the main power supply equipment. It can provide stable power support for construction machinery, welding equipment, field lighting and temporary office electricity. Its low-temperature resistance and plateau non-derating performance can cope with complex and changeable field working conditions, and is an essential power guarantee equipment for engineering construction units.
3.4 Emergency Rescue and Special Scenario Power Supply
The unit is suitable for emergency power supply in disaster relief, power grid maintenance, municipal emergency response and other scenarios. It can also be used as backup power for communication base stations, power supply for scenic areas and remote rural residential power supply. In extreme weather, grid failure and other emergencies, it can quickly start up to supply power, guarantee basic living electricity and public service operation, and has high practical value in emergency guarantee work.
4. Core Product Purpose
The core purpose of theYUCHAI YC6A245L-D21 150kW/187.5kVA diesel generator set is to provide efficient, stable and low-cost power supply solutions for medium-load industrial and commercial users. The 150kW prime power is used for long-term continuous bearing of conventional equipment load, meeting the daily off-grid main power supply and long-term continuous power generation demand of enterprises; the 160kW standby power is reserved for sudden power failure emergency response and peak load compensation, effectively solving the problems of municipal grid instability, regional power shortage and sudden power outage.
As a classic 50Hz brushless self-excited diesel generator set, it takes reliability and economy as the core orientation. Relying on Yuchai’s mature engine technology and high-stability alternator configuration, it reduces equipment failure rate and later operation and maintenance costs for users. It not only meets the daily power demand of industrial production and commercial operation, but also provides reliable power guarantee for outdoor engineering construction and emergency rescue scenarios. It is a high-cost performance medium-power power generation equipment integrating energy saving, environmental protection, stability and durability.
5. Common FAQ
Q1: What is the difference between prime power and standby power of YC6A245L-D21 generator set in actual use?
Prime power (150kW/187.5kVA) is the continuous usable power of the unit, supporting long-term full-load operation, which is suitable for daily main power supply, long-term off-grid power generation and stable load operation. Standby power (160kW/200kVA) is short-term emergency peak power, only used for sudden grid power failure or instantaneous load surge scenarios, and cannot operate at full load for a long time. In actual engineering use, it is recommended to control the operating load within 80% of the prime power to effectively extend the service life of the generator set and maintain stable power output.
Q2: What are the practical advantages of the brushless self-excited alternator of this unit?
The YC6A245L-D21 genset is equipped with a high-standard brushless self-excited alternator, which abandons the traditional carbon brush and slip ring structure. It has no carbon brush wear, electric spark failure and frequent maintenance problems during operation. Matched with H-grade insulation and IP23 protection grade, it has stronger high-temperature aging resistance and dustproof and moistureproof ability. The voltage regulation precision is as high as ≤0.3%, which can effectively avoid voltage fluctuation and protect precision electrical equipment. With simple structure and low failure rate, it is more suitable for long-term unattended operation and harsh outdoor working environments.
Q3: Can the YC6A245L-D21 diesel generator operate stably in plateau and low-temperature environments?
This unit has passed strict extreme environment adaptation tests. It can realize stable cold start at -25℃ without any auxiliary heating equipment, solving the power supply difficulty of winter outdoor construction and low-temperature areas. When working at an altitude of 2500 meters, the turbocharged intercooled system can automatically adjust air intake pressure to adapt to low-pressure plateau environment, with no power derating and stable power output. In addition, the IP23 protection structure can resist outdoor dust and light rain erosion, ensuring long-term stable operation in plateau, low-temperature, open-air construction and other harsh scenarios.

