50HZ Cummins NTAA855-G7 300kW/375kVA Diesel Generator Set

50HZ Cummins 300kW/375kVA Diesel Generator Set

1.Technical Parameter

2. Product Features

The Cummins NTAA855-G7 300kW/375kVA diesel generator set is a medium-large power generation equipment tailored for long-term continuous power supply and emergency standby power scenarios. It adopts genuine Cummins engine core configuration, with stable power output, low failure rate and excellent fuel economy, and is one of the most cost-effective 300kW industrial diesel generator sets in the market.

2.1 Reliable Power Output & Strong Load Capacity

Equipped with Cummins classic NTAA855-G7 heavy-duty engine, the unit has a prime power of 300kW/375kVA and a standby power of 320kW/400kVA. It supports long-term full-load continuous operation and can cope with instantaneous load surge. The matched brushless self-excited alternator features H-grade high-temperature resistant insulation and IP23 waterproof and dustproof protection grade, which effectively avoids power failure caused by harsh environmental interference and ensures stable and pure three-phase power output.

2.2 Excellent Fuel Economy & Low Operating Cost

Adopting Cummins patented PT fuel injection system and Holset turbocharging & air-to-air intercooling technology, the fuel atomization effect is fully optimized, and the combustion efficiency is greatly improved. The full-load fuel consumption is only 86L/H, which is significantly lower than similar 300kW diesel generator sets. It effectively reduces the daily fuel consumption cost for long-term power generation and brings better economic benefits for enterprise operation.

2.3 Durable Structure & Convenient Maintenance

The engine adopts replaceable wet cylinder liner design, which has good heat dissipation performance and is convenient for daily replacement and maintenance. The built-in pressure lubricating oil circuit of cylinder block and cylinder head makes the overall structure compact, reduces internal failure points, and extends the service life of the unit. All parts of the generator set have high versatility and serialization degree, with sufficient spare parts supply in the market, greatly reducing later maintenance time and cost.

2.4 High Safety & Strong Environmental Adaptability

The brushless alternator structure eliminates carbon brush wear and spark risks, improving the operational safety of the equipment. H-grade insulation material can withstand high-temperature operating environment, adapting to outdoor and factory high-temperature working conditions. IP23 protection grade can effectively block dust and splashing water, ensuring stable operation in complex working environments such as construction sites, industrial parks and field operations. In addition, the unit is equipped with automatic voltage regulation devices, which can intelligently stabilize voltage and avoid equipment damage caused by voltage fluctuation.

3. Application Scenarios

As a high-performance 300kW industrial diesel generator set, Cummins NTAA855-G7 is widely used in scenarios requiring continuous power supply and emergency backup power, covering industrial production, commercial facilities, engineering construction, public institutions and other fields, and can perfectly adapt to various complex power demand environments.

3.1 Industrial Production Scenarios

It is suitable for factory production lines, processing plants, chemical enterprises, mining enterprises and other industrial places. For manufacturing enterprises that cannot stop production due to power failure, this 375kVA diesel generator set can be used as a conventional standby power supply to avoid production shutdown losses caused by grid power outage. Its strong load capacity can support the simultaneous operation of multiple industrial equipment and meet the continuous power demand of industrial production.

3.2 Engineering & Construction Scenarios

It is the preferred power supply equipment for outdoor construction sites, road and bridge engineering, municipal engineering, and field infrastructure construction. In remote construction areas without grid coverage, the NTAA855-G7 Cummins generator set can be used as the main power source to provide stable power for construction machinery, living facilities and on-site office equipment. The rugged and durable structure adapts to outdoor dust, vibration and other harsh construction environments.

3.3 Commercial & Public Facility Scenarios

Widely used in shopping malls, hotels, office buildings, hospitals, schools and other public and commercial places. These scenarios have high requirements for power supply stability and continuity. The 320kW standby power of the unit can quickly switch on in case of grid failure, ensuring the normal operation of medical equipment, elevator systems, lighting and ventilation equipment, and guaranteeing the safety of personnel and property.

3.4 Special Field Operation Scenarios

It is also applicable to field exploration, communication base stations, scenic spot infrastructure, temporary rescue and disaster relief power supply and other special scenarios. The unit has strong environmental adaptability, low failure rate in long-distance field operation, and low fuel consumption, which can meet the long-term independent power demand of off-grid scenarios.

4. Core Purposes

The core value of Cummins NTAA855-G7 300kW/375kVA diesel generator set is to solve the power supply problems of off-grid power consumption and grid power failure backup, and provide stable, efficient and economical power guarantee for various industries. Its core purposes are divided into the following three categories:

4.1 Emergency Standby Power Supply

This is the most mainstream purpose of the unit. For enterprises, public institutions and commercial buildings relying on municipal power grid, it is used as emergency backup power. When sudden power outage, grid voltage fluctuation or power restriction occurs, the generator set can start quickly and switch power supply automatically, ensuring the uninterrupted operation of key equipment and avoiding economic losses and safety accidents caused by power outage.

4.2 Long-term Main Power Supply

In remote areas, field construction sites, mining areas and other places without stable municipal grid support, the 300kW prime power of the unit can be used as the main power supply for long-term continuous power generation. With excellent fuel economy and stable operation performance, it can meet the daily and production power demand of off-grid areas for a long time, and is a reliable independent power generation equipment.

4.3 Peak Shaving Power Support

In areas with tight grid power supply and seasonal power peak shaving and power restriction policies, the Cummins NTAA855-G7 generator set can be used as peak shaving power equipment. It can be started in time during peak power consumption periods to share grid pressure, ensure the normal operation of enterprise peak production, and effectively solve the production restriction problem caused by grid power shortage.

5. Common FAQ

5.1 What is the difference between prime power and standby power of NTAA855-G7 generator set?

Prime power (300kW/375kVA) refers to the rated continuous power of the unit, which supports long-term 24-hour uninterrupted operation and can bear 10% overload operation for a short time, suitable for long-term main power supply scenarios. Standby power (320kW/400kVA) is the emergency peak power, which is only used for short-time power supply in case of grid failure, and cannot operate continuously for a long time. In actual use, it is not recommended to run the unit at standby power for a long time to avoid accelerating equipment wear.

5.2 Why is this generator set more fuel-efficient than other 300kW diesel generators?

The unit is equipped with Cummins mature NTAA855-G7 heavy-duty engine, adopting PT pressure fuel injection technology and air-to-air intercooling turbocharging system. This technology can realize precise fuel injection and full fuel atomization, make diesel fully burned, and effectively reduce invalid fuel consumption. The optimized engine structure and operating parameters make the full-load fuel consumption stably controlled at 86L/H, which has obvious fuel-saving advantages compared with most peer 300kW generator sets, and is more suitable for long-term continuous power generation.

5.3 What working environments is the IP23 protection grade and H-grade insulation suitable for?

IP23 protection grade means the alternator can prevent solid foreign matters larger than 12mm from entering and resist splashing water from all directions, which can adapt to outdoor open-air construction sites, factory workshops and other dusty and humid environments. H-grade insulation is a high-temperature resistant insulation grade, which can withstand long-term high-temperature operation of the equipment, and will not have insulation aging and breakdown problems in the environment of -20℃ to +45℃. It greatly improves the stability and service life of the unit in high-temperature, humid and complex working conditions.