50Hz Cummins 4BTA3.9-G13 80kW/100kVA Diesel Generator Set

50Hz Cummins  80kW/100kVA Diesel Generator Set

1. Technical Parameter

2. Core Product Features

The Cummins 4BTA3.9-G13 80kW/100kVA diesel generator set is a high-end upgraded turbocharged and after-cooled power generation unit of Cummins classic B-series engine platform. Optimized on the basis of traditional G-series models, it adopts professional after-cooled air intake and electronic fuel regulation technology, delivering more stable continuous power output and stronger load adaptability. As a hot-selling 100kVA industrial diesel generator in the medium and high power market, this model is widely favored by engineering and industrial users for long-term continuous power generation and fixed-point standby power supply, with outstanding durability and operational stability.

2.1 Turbocharged & After-cooled Structure, Stable Continuous Power Output

Powered by genuine Dongfeng Cummins 4BTA3.9-G13 four-cylinder in-line water-cooled engine, the unit adopts turbocharged and after-cooled dual technology to effectively reduce intake air temperature, optimize air-fuel mixing ratio and improve fuel combustion efficiency. Different from conventional single turbocharged generators, the after-cooled design avoids power attenuation caused by high-temperature air intake during long-term high-load operation. The rated prime power reaches 80kW/100kVA, focusing on long-term continuous stable power supply without standby power setting, which is more suitable for off-grid main power operation and long-term fixed-load industrial power consumption scenarios. Matched with full-copper brushless self-excited alternator and high-precision AVR automatic voltage regulation system, the unit maintains ultra-low voltage and frequency fluctuation under variable load conditions, ensuring pure 50Hz standard power supply quality for precision equipment.

2.2 Electronic Fuel Control, Standardized Full-load Fuel Consumption

Equipped with advanced electronic fuel control system, this 80kW continuous power diesel generator realizes precise fuel injection and intelligent fuel supply adjustment according to actual load changes. The full-load fuel consumption is stably controlled at 18.8L/H, with more accurate fuel supply matching and lower invalid fuel waste than traditional mechanical governor models. The 3.9L large-displacement engine with 17.5:1 high compression ratio ensures sufficient power reserve while maintaining stable fuel consumption. For users who need 24-hour uninterrupted power generation and long-term standby operation, its standardized energy consumption effectively controls daily operating costs and avoids abnormal fuel consumption surge caused by load fluctuation.

2.3 Brushless Maintenance-free Design, Low Operational Failure Rate

The whole machine adopts mature brushless self-excited power generation structure, eliminating vulnerable carbon brushes and slip ring parts of traditional brushed generators, fundamentally reducing mechanical wear and daily maintenance workload. The H-grade high-temperature resistant insulation material can resist long-term high-temperature operation aging, moisture erosion and electrical breakdown, greatly extending the service life of alternator windings. The IP23 dust-proof and splash-proof protection grade adapts to complex indoor and outdoor working environments, effectively isolating daily dust accumulation and light rain splash interference. The integrated cast iron cylinder block and forged steel crankshaft structure improves overall structural rigidity, with strong shock resistance and durable operation, realizing long-term maintenance-free stable operation in conventional working conditions.

2.4 Complete Intelligent Protection, Strong Environmental Adaptability

This Cummins 100kVA brushless diesel generator set is equipped with a full set of intelligent safety protection functions, including low oil pressure alarm shutdown, high water temperature overheat protection, overload protection, overvoltage and undervoltage protection, and overspeed automatic shutdown. It can quickly respond to abnormal working conditions to avoid equipment burnout and safety accidents. The standard 24V DC electric start system ensures high one-time start-up success rate, supporting manual start and automatic mains switching operation. The self-circulating water cooling system guarantees stable heat dissipation in high-temperature environments, enabling normal operation in the temperature range of -20℃ to +45℃. The whole machine has strong environmental adaptability and can cope with harsh working conditions such as high temperature, dust and unstable load.

3. Main Application Scenarios

Focusing on continuous stable power supply performance, the Cummins 4BTA3.9-G13 80kW/100kVA diesel generator set is widely used in medium and large industrial production, outdoor field engineering, large-scale agricultural breeding, commercial complex emergency backup and public infrastructure power guarantee scenarios. It is the preferred equipment for 100kVA long-term continuous power generation and industrial fixed-point standby power supply.

3.1 Medium and Large Industrial Production Enterprises

It is widely applicable to mechanical processing factories, hardware manufacturing plants, packaging production lines, food processing factories and chemical auxiliary production workshops. Industrial continuous production puts forward high requirements for power supply stability and continuity. This 80kW high-stability prime power generator can be used as long-term main power supply for off-grid industrial parks and emergency standby power for grid-connected factories. It effectively avoids production line shutdown and economic losses caused by sudden power outages or seasonal power rationing, ensuring continuous and stable operation of production equipment and supporting facilities.

3.2 Outdoor Field Engineering & Off-grid Construction

For municipal large-scale engineering construction, road and bridge projects, water conservancy construction, remote field exploration and mining operation sites without complete power grid coverage, this turbocharged after-cooled diesel generator serves as the core main power supply equipment. Its long-term stable load capacity and strong environmental adaptability can meet the uninterrupted power demand of medium-sized construction machinery, field office equipment, engineering monitoring systems and living supporting equipment, solving the power supply blank of long-cycle off-grid engineering projects.

3.3 Large-scale Agricultural Breeding & Processing Bases

It is an ideal power supply device for large livestock and poultry breeding farms, aquatic breeding bases and agricultural product deep processing industrial parks. Large-scale breeding and processing industries have high dependence on power supply, and power failure will directly lead to livestock death, product deterioration and batch economic losses. The unit can operate continuously for a long time, stably supplying power for constant temperature breeding equipment, ventilation aeration systems, refrigeration and processing machinery, ensuring the stable operation of agricultural and breeding industrial bases throughout the year.

3.4 Commercial Complex & Property Cluster Supporting

Suitable for large shopping malls, commercial plazas, high-grade office buildings, hotel clusters and large residential community properties. These commercial and residential clusters have dense electrical equipment and large total power consumption. In case of power grid maintenance, peak power rationing and sudden power failure, the unit can quickly start and switch power supply, ensuring the normal operation of fire control systems, elevator emergency equipment, public lighting and central air conditioning systems, maintaining the normal operation of commercial venues and community public services.

3.5 Public Infrastructure & Emergency Guarantee

It can be used as emergency backup power for township-level hospitals, health centers, fire rescue stations, environmental monitoring stations and municipal public facilities. In sudden power outage emergencies, the unit can respond quickly to provide stable power support for medical rescue equipment, fire linkage systems, environmental monitoring instruments and municipal emergency equipment, ensuring the normal operation of public infrastructure and improving regional emergency response capacity.

4. Core Product Purpose

Positioned as a high-stability continuous-power Cummins diesel generator, the 4BTA3.9-G13 model abandons redundant standby power design and focuses on meeting long-term continuous power supply and high-stability emergency power guarantee demands, with core purposes covering industrial continuous power generation, off-grid main power supply, industrial peak regulation and public safety backup.

Firstly, it provides long-term continuous prime power supply for off-grid industrial and engineering sites. It is the core positioning of this model to replace mains power for long-cycle off-grid projects, remote industrial parks and mining sites, stably outputting 80kW rated power for 24-hour uninterrupted operation to meet the continuous production and construction power demand.

Secondly, it undertakes industrial and commercial emergency standby power guarantee. For grid-connected factories and commercial clusters, it is used as emergency backup power to respond to sudden power grid failures, power rationing and maintenance power cuts, avoiding production shutdown and commercial service suspension, and providing reliable power safety guarantee for enterprise operation and public services.

Thirdly, it realizes power grid peak shaving and auxiliary power supply. In summer and winter peak power consumption periods with tense regional power supply, the unit can be started for auxiliary power supply to make up for the shortage of mains power capacity, relieve equipment load pressure, and ensure stable operation of industrial production and commercial facilities.

Finally, it provides high-stability power guarantee for precision equipment. Relying on precise electronic fuel regulation and AVR constant voltage technology, it supplies stable power for precision processing equipment, medical devices and monitoring instruments, effectively avoiding equipment failure and data loss caused by voltage and frequency fluctuation.

5. Common FAQ

Q1: Why does Cummins 4BTA3.9-G13 generator have no standby power configuration?

Different from conventional generator sets with standby power parameters, the 4BTA3.9-G13 model is specially optimized for long-term continuous power generation scenarios. The factory only calibrates 80kW/100kVA prime continuous power, without setting standby overload power. This design focuses more on long-term operational stability and durability, avoiding equipment aging and failure caused by frequent overload standby operation. It is more suitable for users who need 24-hour uninterrupted power supply for a long time, rather than short-term emergency overload power supply, with more stable overall performance and longer service life.

Q2: What are the core advantages of after-cooled turbocharged design of 4BTA3.9-G13 genset?

The biggest upgrade of the 4BTA3.9-G13 model is the turbocharged and after-cooled composite air intake structure. Compared with ordinary single turbocharged generators, it can effectively reduce the temperature of intake air entering the cylinder, make fuel combustion more sufficient and uniform, and avoid power drop and high-temperature alarm caused by heat accumulation during long-term high-load operation. Meanwhile, the matching electronic fuel control system improves load response sensitivity, keeps voltage and frequency more stable, and is more suitable for long-term high-load continuous operation in industrial and engineering scenarios.

Q3: What installation and maintenance points should be noted for IP23 100kVA Cummins generator?

This unit adopts IP23 dust-proof and splash-proof protection grade and H-grade high-temperature resistant insulation, suitable for indoor fixed installation and outdoor awning protection placement. During installation, it is necessary to reserve sufficient heat dissipation space to prevent high-temperature shutdown caused by poor heat dissipation. In daily maintenance, regular replacement of engine three filters and lubricating oil is required to ensure the accuracy of the electronic fuel system. Since there is no standby overload design, long-term operation within 80% of the rated prime power is recommended to keep the unit in optimal working state and effectively extend the service life of the 80kW continuous duty diesel generator.