60Hz Cummins NT855-GA 196kW/245kVA Diesel Generator Set

60Hz Cummins 196kW/245kVA Diesel Generator Set
1.Technical Parameter
Parameter Category | Specific Item | Technical Data |
Genset Overall Parameters | Genset Model | NT855-GA |
Prime Power (kW/kVA) | 196kW/245kVA | |
Standby Power (kW/kVA) | 212kW/265kVA | |
Rated Frequency | 60Hz | |
Rated Speed | 1800rpm | |
Rated Power Factor | 0.8 Lagging | |
Fuel Consumption (100% Full Load) | 66L/H | |
Diesel Engine Parameters | Engine Brand | Cummins (Chongqing Cummins) |
Engine Model | NT855-GA | |
Engine Type | 4-stroke, In-line 6-cylinder Diesel Engine | |
Air Intake System | Turbocharged & After-cooled | |
Bore × Stroke | 140mm × 152mm | |
Total Displacement | 14L | |
Compression Ratio | 14.0:1 | |
Fuel Supply System | Original Cummins PT Fuel Injection System | |
Starting Mode | 24VDC Electric Start | |
Cooling Method | Water-cooled, Integrated Radiator | |
Alternator Parameters | Excitation Type | Brushless, Self-excited |
Insulation Grade | H Class | |
Protection Grade | IP23 | |
Voltage Regulation Mode | Automatic AVR Constant Voltage Regulation | |
Winding Material | 100% Pure Copper Winding | |
Operation & Standard | Control System | Intelligent Electronic Control Module |
Working Temperature Range | -20℃ ~ +50℃ | |
Executive Standard | NFPA 110 Industrial Power Standard |
2. Core Product Features
The 60Hz Cummins NT855-GA 196kW/245kVA diesel generator set is a heavy-duty industrial power generation device built with classic Cummins NT855 series mature engine technology. As a high-power and high-reliability genset widely recognized in the global 60Hz power market, it features strong power reserve, rugged structure and excellent environmental adaptability. It can stably undertake long-term continuous prime power supply and short-time emergency standby power tasks, and is a mainstream high-cost-performance power solution for medium and large industrial power demand scenarios.
Powered by genuine Chongqing Cummins NT855-GA industrial engine, this unit adopts a 6-cylinder in-line 4-stroke structure and advanced turbocharged after-cooled air intake design. The 14L large displacement and exclusive Cummins PT fuel injection system achieve precise fuel supply and full combustion, effectively improving power conversion efficiency. Compared with ordinary medium-power generator sets, the NT855-GA engine has stronger overload resistance and more stable variable-load operation performance. It can maintain continuous and stable power output under long-term full-load operation, without obvious power attenuation, which perfectly adapts to high-intensity industrial power supply working conditions.
The matched brushless self-excited alternator completely abandons the traditional brushed excitation structure with easily worn carbon brushes and slip rings. There are no vulnerable excitation parts in daily operation, which greatly reduces equipment failure points and later maintenance frequency. Equipped with H-class high-temperature resistant insulation materials and IP23 dustproof and rainproof protection grade, the alternator can resist harsh environments such as high temperature, humidity, dust and outdoor wind and sand erosion. The full pure copper winding configuration ensures low heat generation and high conductivity, cooperating with intelligent AVR automatic voltage regulation system to realize ultra-stable voltage and frequency output, effectively avoiding power supply fluctuation that damages precision industrial equipment.
In terms of safety and intelligent operation, the genset is equipped with a professional electronic control system, integrating real-time data monitoring, automatic fault alarm and one-key start-stop functions. It has comprehensive protection mechanisms including over-speed, over-voltage, under-voltage, over-current, low oil pressure and high water temperature automatic shutdown. Once abnormal operating conditions occur, the unit will automatically alarm and shut down for protection, effectively avoiding equipment burnout and safety accidents. The factory-matched integrated water cooling system has strong heat dissipation capacity, which can keep the unit running stably for a long time in high-temperature working environments, with simple installation and no need for additional auxiliary heat dissipation equipment.
In terms of structural durability and economy, the cast iron cylinder block of NT855-GA engine is thick and durable, with strong vibration resistance and impact resistance, adapting to complex and harsh working sites. The whole machine has high part versatility and complete global after-sales service network, making spare parts procurement convenient and fast. With 66L/H fuel consumption at 100% full load, it balances strong power performance and operational economy. Its long service life and low failure rate greatly reduce the comprehensive operation and maintenance cost of enterprises, making it very suitable for long-term high-intensity operation in industrial and engineering scenarios.
3. Main Application Scenarios
This Cummins NT855-GA 245kVA diesel generator set is specially designed for 60Hz power standard areas and medium and large load power demand scenarios. With 196kW prime power and 212kW standby power, it covers industrial production, engineering construction, commercial supporting, public infrastructure and special off-grid power supply fields, and is widely used in various scenarios requiring continuous and stable power guarantee.
Heavy Industrial Production Scenarios: It is widely used in large processing factories, mechanical manufacturing plants, chemical enterprises, building materials factories and mining industrial parks. These industrial scenarios have large power consumption and high requirements for power supply stability. The strong continuous power supply capacity of the 196kW prime power unit can fully meet the long-term operation demand of production lines, large mechanical equipment and supporting electrical systems. It can also be used as emergency backup power to avoid mass production shutdown and huge economic losses caused by sudden power grid failure.
Commercial & Public Infrastructure Scenarios: The 265kVA standby power reserve makes it an ideal power guarantee equipment for large shopping malls, high-rise office buildings, star hotels, municipal general hospitals, schools and large stadiums. In case of municipal power failure or power grid maintenance, the unit can start quickly and switch power supply automatically, ensuring the normal operation of fire protection systems, elevator equipment, medical rescue instruments, monitoring systems and public lighting facilities, effectively avoiding public safety risks and property losses.
Field Engineering & Outdoor Construction Scenarios: It is the core temporary power supply equipment for road and bridge engineering, municipal infrastructure construction, oil field exploitation, mine operation and remote field construction projects. Most field construction sites are far away from urban power grids and lack stable municipal power supply. The NT855-GA genset has strong environmental adaptability and anti-interference ability, which can operate stably in high temperature, low temperature, dusty and windy outdoor environments, and fully meet the power demand of construction machinery, welding equipment, engineering detection tools and on-site temporary living electricity.
Off-grid & Special Industry Scenarios: It is widely applied in remote mountainous areas, islands, pastoral areas and other off-grid power supply areas, as well as unattended scenarios such as communication base stations, water pump stations, environmental monitoring stations and power transmission projects. The classic Cummins NT855-GA engine has excellent low-temperature start-up performance and extreme environment resistance, which can provide long-term stable independent power supply for special equipment that cannot be powered off, ensuring the normal operation of regional production and unattended equipment.
4. Core Product Purpose
The core purpose of the Cummins NT855-GA 196kW/245kVA 60Hz diesel generator set is to provide high-stability, high-durability and high-power reserve professional power supply solutions for medium and large load power demand scenarios in global 60Hz power standard regions. It makes up for the insufficient power reserve and poor durability of ordinary medium-power gensets in high-intensity continuous power supply, and is a reliable core power equipment for industrial production and emergency power guarantee.
In off-grid areas, power-deficient industrial zones and remote field operation bases, this genset acts as the main prime power generation equipment. Relying on 196kW stable continuous prime power output, it supports 24-hour uninterrupted power supply for industrial production, project construction and staff living electricity, ensuring the sustainable progress of production and construction tasks. The mature PT fuel system and large-displacement engine design ensure sufficient power output while maintaining stable operating fuel consumption, reducing long-term power supply costs for enterprises.
In urban areas with complete power grid facilities, the unit serves as a high-power emergency standby power device. With 212kW/265kVA sufficient standby power reserve, it can quickly respond to sudden power failure, power grid fluctuation and power maintenance emergencies, instantly take over the power supply of core equipment and key departments, avoid production stagnation, equipment damage and safety accidents caused by power interruption, and effectively guarantee the continuity and safety of enterprise operation and public service.
In addition, relying on the classic mature technology of Cummins NT855 series engines and low-maintenance brushless alternator structure, the unit has extremely low failure rate and long service life. It reduces the frequency of equipment shutdown maintenance and later investment of human and material resources, and is recognized as one of the most cost-effective and stable heavy-duty diesel generator sets in the 200kW-level 60Hz power market, suitable for long-term fixed-point use and mobile field operation.
5. Frequently Asked Questions (FAQ)
Q1: What is the practical difference between prime power and standby power of Cummins NT855-GA genset?
Prime power (196kW/245kVA) refers to the rated continuous operating power of the genset, supporting 24-hour long-term uninterrupted operation and standard short-time overload operation, which is mainly used for long-term main power supply in off-grid and power-deficient scenarios. Standby power (212kW/265kVA) is the maximum emergency power reserve of the unit, only applicable for short-time power supply during municipal power failure or emergency accidents, and cannot run at full load for a long time. In actual use, it is recommended to control the operating load within the prime power range to avoid accelerated wear of the engine and extend the overall service life of the equipment.
Q2: Why is the brushless self-excited alternator of NT855-GA genset more suitable for industrial long-term operation?
Different from traditional brushed alternators that need frequent replacement of carbon brushes, the brushless self-excited alternator equipped with NT855-GA genset has no wearable excitation parts, fundamentally eliminating common faults such as carbon brush wear, poor contact and spark ignition. Matched with H-class super high temperature resistant insulation and IP23 dustproof and waterproof protection grade, it can adapt to long-term high-load operation and harsh industrial environments. Supported by intelligent AVR voltage regulation technology, the output voltage and frequency are extremely stable, with low power supply distortion. It features low daily maintenance workload, low failure rate and long service life, which is more in line with the long-term unattended operation needs of industrial sites.
Q3: What are the key maintenance points for Cummins NT855-GA diesel generator set in daily use?
The daily maintenance of NT855-GA heavy-duty genset follows standardized graded maintenance specifications. Before each startup, users need to check the fuel quantity, lubricating oil level, cooling water capacity and circuit connection tightness to ensure no leakage and poor contact. The first maintenance including engine oil and filter replacement is required after 50 hours of initial operation. Routine wearing parts such as oil filter, fuel filter and air filter need to be replaced every 250 hours. Every 500 hours, it is necessary to comprehensively inspect and maintain the PT fuel system, turbocharger, cooling system and electronic control module. Standard maintenance can effectively keep the engine power sufficient and stable, and avoid common failures caused by improper maintenance.

