50HZ Cummins 6ZTAA13-G3 310kW/388kVA Diesel Generator Set

50HZ Cummins 310kW/388kVA Diesel Generator Set
1. Technical Parameter
Parameter Item | Technical Specification |
Generator Set Model | Cummins 6ZTAA13-G3 Diesel Generator Set |
Rated Frequency | 50Hz |
Prime Power (kW/kVA) | 310kW / 388kVA |
Standby Power (kW/kVA) | 340kW / 425kVA |
100% Full Load Fuel Consumption | 74.7L/H |
Supporting Engine Brand | Dongfeng Cummins (DCEC) |
Engine Model | 6ZTAA13-G3 |
Engine Structure | Inline 6-cylinder, 4-stroke, turbocharged & air-cooled intercooler |
Total Displacement | 13L |
Cylinder Bore × Stroke | 130mm × 163mm |
Rated Speed | 1500rpm |
Fuel Supply System | Electronic controlled fuel injection system |
Cooling Mode | Closed-circuit water cooling |
Starting System | 24V DC electric starting |
Rated Voltage | 400V/230V, 3-phase 4-wire |
Power Factor | 0.8 lagging |
Alternator Excitation Type | Brushless, self-excited |
Insulation Grade | H Grade |
Protection Grade | IP23 |
Voltage Regulation Mode | Automatic AVR voltage regulation |
Applicable Working Temperature | -20℃ ~ +45℃ |
2. Product Features
The Cummins 6ZTAA13-G3 310kW/388kVA diesel generator set is a newly upgraded medium-duty industrial power generation equipment launched by Dongfeng Cummins. Positioned in the high cost-effective 300kW-level power supply market, this 388kVA diesel generator set adopts optimized integrated structural design, combining low fuel consumption, strong power output and ultra-high operational stability. It solves the problems of high energy consumption, high failure rate and difficult maintenance of traditional generator sets, and is widely recognized in industrial standby power and off-grid main power supply fields.
2.1 Optimized Integrated Structure, Higher Operational Reliability
Different from conventional generator sets, the 6ZTAA series engine adopted by this unit reduces nearly 30% of scattered parts through integrated design, cancels redundant external lubricating oil pipes and cooling water pipes, and effectively reduces pipeline leakage and circuit failure risks. The high-strength integral cast iron cylinder block and forged steel crankshaft greatly enhance the overall rigidity of the equipment, with low vibration and strong pressure resistance during long-term operation. The whole machine has fewer failure points and more stable mechanical performance, which is very suitable for long-term continuous power generation and frequent start-stop standby working conditions.
2.2 Ultra-Low Fuel Consumption, Significant Energy-Saving Advantage
Equipped with Cummins mature electronic controlled fuel injection system and Holset turbocharged air-to-air intercooling technology, the 6ZTAA13-G3 engine realizes precise fuel metering and ultra-fine atomization. The diesel fuel is fully burned, which effectively reduces invalid energy loss. The full-load fuel consumption is only 74.7L/H, far lower than most 310kW industrial diesel generator sets on the market. For factories, construction projects and field facilities that need long-term power supply, this low fuel consumption feature can greatly reduce daily operating costs and bring long-term economic benefits for users.
2.3 Surplus Power Margin, Excellent Load Adaptability
The unit is equipped with 310kW prime power and 340kW standby power, with sufficient power reserve margin. It can cope with instantaneous load surge and uneven load changes in industrial production, and will not experience voltage drop or frequency instability when multiple equipment is started simultaneously. The matched brushless self-excited alternator has fast excitation response speed and strong anti-interference ability, ensuring pure and stable three-phase power output, which can fully meet the power supply requirements of precision industrial equipment and electrical instruments.
2.4 High Safety and Strong Environmental Adaptability
The alternator adopts H-grade high-temperature resistant insulation material, which can resist long-term high-temperature aging and maintain stable insulation performance in high-temperature workshop and outdoor hot environments. The IP23 professional dustproof and waterproof protection grade can effectively block splashing water and external dust, adapting to humid, dusty and complex outdoor working conditions. The brushless excitation structure eliminates carbon brush wear and spark hidden dangers, reducing equipment failure rate and improving operational safety. Meanwhile, the built-in AVR automatic voltage regulator can intelligently stabilize voltage and avoid equipment damage caused by grid fluctuation.
2.5 Simple Maintenance and Low Later Cost
The modular integrated design simplifies the internal structure of the unit, making daily inspection and maintenance more convenient. The brushless alternator does not need regular carbon brush replacement and maintenance, saving manual maintenance cost. Cummins 6ZTAA series accessories are highly universal with complete market supply, and the after-sales service system is perfect. Users can quickly purchase spare parts for daily maintenance and overhaul, effectively reducing later operation and maintenance cycle and cost.
3. Application Scenarios
As a high-performance 310kW industrial diesel generator set, Cummins 6ZTAA13-G3 covers industrial production, engineering construction, commercial supporting, public utilities and emergency disaster relief fields. It can be used as both long-term main power supply for off-grid areas and emergency standby power supply for grid-connected facilities, with wide scene adaptability.
3.1 Industrial Manufacturing Standby Power
It is the preferred standby power equipment for medium-sized processing factories, chemical enterprises, textile factories, food processing plants and machinery manufacturing workshops. Industrial production has high requirements for power supply continuity, and sudden grid power outage will cause production line shutdown and huge economic losses. The 388kVA Cummins generator set can quickly switch on power supply to ensure uninterrupted operation of production equipment, motors and automation systems, effectively guaranteeing normal industrial production.
3.2 Outdoor Engineering & Mining Field Power Supply
Widely used in municipal engineering, road and bridge construction, railway infrastructure, open-pit mining and field exploration operations. Most remote construction and mining areas lack stable municipal grid coverage, and this 310kW diesel generator set can be used as the main power source to provide stable power for construction machinery, drilling equipment, on-site office and temporary living facilities. Its durable structure and strong environmental adaptability can cope with harsh working conditions such as outdoor wind and sand, vibration and humidity.
3.3 Commercial & Public Facility Backup Power
Suitable for large shopping malls, star hotels, high-rise office buildings, hospitals, schools and government public institutions. These scenarios involve personnel concentration and key public services, requiring high power supply stability. In case of grid failure, power restriction or line maintenance, the 340kW standby power of the unit can be put into operation quickly to ensure the normal operation of medical equipment, elevator systems, fire protection facilities and lighting systems, ensuring public safety and normal operation of facilities.
3.4 Emergency Rescue & Off-Grid Power Supply
It can also be used for emergency disaster relief power supply, field rescue temporary power consumption, remote pastoral area power supply and communication base station standby power. The unit has low fuel consumption, stable operation and convenient movement and maintenance, which can solve the independent power consumption problem in off-grid and emergency scenarios, and provide reliable power guarantee for rescue work and remote area life and production.
4. Core Purposes
The Cummins 6ZTAA13-G3 310kW/388kVA diesel generator set focuses on solving the dual power demand pain points of grid power failure backup and off-grid independent power generation. Relying on its energy-saving, stable and durable advantages, it provides reliable power support for various industries, and its core usage scenarios are divided into three categories.
4.1 Grid-Connected Emergency Standby Power
This is the most mainstream core purpose of the unit. For all kinds of grid-connected industrial enterprises and public service facilities, it is used as emergency backup power equipment. When encountering sudden power outage, seasonal power restriction, grid voltage fluctuation and line failure, the unit can start quickly and complete automatic power switching, avoid production shutdown, service interruption and safety accidents caused by power failure, and ensure the continuous and stable operation of core business and key equipment.
4.2 Off-Grid Long-Term Main Power Supply
In remote areas, field construction sites, mining areas and other places without municipal power grid coverage, the 310kW prime power of the unit can be used as long-term main power supply. With ultra-low full-load fuel consumption and stable continuous operation performance, it can meet 24-hour uninterrupted power demand of field production and remote residents, and is a high-cost-performance independent power generation solution for off-grid scenarios.
4.3 Power Grid Peak Shaving Support
In regions with tight seasonal power supply and peak power consumption pressure, the unit can be used as peak shaving power equipment. It can be started in time during peak power consumption periods to share municipal grid load pressure, effectively solve the problem of enterprise production restriction caused by power shortage, and ensure the normal progress of peak production tasks of enterprises.
5. Common FAQ
5.1 What is the practical difference between prime power and standby power of 6ZTAA13-G3 generator set?
The 310kW/388kVA prime power is the rated continuous power of the unit, supporting 24-hour long-term uninterrupted operation and allowable short-term 10% overload operation, which is applicable to off-grid main power supply and long-term continuous power generation scenarios. The 340kW/425kVA standby power belongs to emergency peak power, only used for short-time power supply when municipal grid fails. It is prohibited to operate at standby power for a long time, otherwise it will cause excessive engine load, accelerate parts wear and shorten the overall service life of the generator set. Users need to select the power mode according to actual usage scenarios.
5.2 Why is the Cummins 6ZTAA13-G3 generator set more fuel-efficient than other 310kW units?
This unit adopts Dongfeng Cummins 6ZTAA13-G3 optimized engine platform, with integrated pipeline design and electronic precise fuel injection control. Matching turbocharged intercooling technology makes diesel combustion more sufficient, effectively reducing invalid fuel consumption. The full-load fuel consumption is only 74.7L/H, which is far lower than peer products. In addition, the streamlined structural design reduces mechanical operation resistance, further improving energy utilization efficiency. It has more prominent energy-saving advantages in long-term continuous power generation, which can effectively reduce enterprise operating costs.
5.3 What working conditions are supported by IP23 protection grade and H-grade insulation?
The IP23 protection grade can prevent large solid dust particles from entering the equipment and resist splashing water from all directions, which can adapt to dusty construction sites, humid outdoor environments and open-air temporary power supply scenarios. The H-grade high-temperature resistant insulation is a high-standard generator insulation material, which can stably operate in the temperature range of -20℃ to +45℃, effectively avoiding insulation aging and breakdown caused by long-term high-temperature operation. The dual configuration greatly improves the environmental adaptability of the unit, ensuring stable and fault-free operation in various complex and harsh working conditions.

