50HZ Cummins QSK50-G4 1232kW/1540kVA Diesel Generator Set

50HZ Cummins 1232kW/1540kVA Diesel Generator Set
1.Technical Parameter
Parameter Category | Detailed Item | Technical Data |
Unit Power Performance | Rated Frequency | 50Hz |
Prime Power (kW/kVA) | 1232kW / 1540kVA | |
Standby Power (kW/kVA) | 1360kW / 1700kVA | |
100% Full Load Fuel Consumption | 338L/H | |
Engine Core Parameters (QSK50-G4) | Engine Brand & Model | Cummins QSK50-G4 G-Drive Special Engine |
Engine Structure | 16-Cylinder 60° V-type, 4-Stroke, Turbocharged & Aftercooled | |
Fuel System | Modular Common Rail Fuel System (MCRS), 1600Bar High-pressure Injection | |
Control System | Cummins Full Authority Electronic Control (ECM) | |
Bore × Stroke | 159mm × 159mm | |
Total Displacement | 49.8L | |
Compression Ratio | 14.7:1 | |
Rated Speed | 1500RPM | |
Cooling System | Heavy-duty Integrated Water Circulation Cooling Package | |
Lubrication Mode | Full Pressure Circulating Lubrication with Prelub System | |
Starting System | 24V DC Electric Starting | |
Air Intake System | CTT High-efficiency Turbocharger & Dual-stage Air Filtration | |
Emission Standard | EPA Tier 2 Compliant | |
Alternator Configuration | Excitation Type | Brushless, Self-excited |
Insulation Grade | H Grade | |
Protection Grade | IP23 | |
Steady-State Voltage Regulation Accuracy | ≤±1% | |
Frequency Stability | ≤0.5% | |
General Operating Parameters | Rated Voltage | 400V/230V, 3 Phase 4 Wire |
Power Factor | 0.8 Lagging | |
Continuous Operation Capacity | 24-hour Non-stop Full-load Prime Operation | |
Short-term Overload Capacity | 110% Rated Load Overload Operation |
2. Core Product Features
The Cummins QSK50-G4 1232kW/1540kVA diesel generator set is a high-end electronically controlled heavy-duty power generation unit from Cummins Quantum QSK50 series. As a mainstream 1540kVA prime power diesel generator widely used in super industrial and large infrastructure projects, this model adopts advanced modular common rail fuel injection and full-authority electronic control technology. It delivers outstanding load response speed, continuous operation stability and low-emission performance, solving the defects of slow response, high failure rate and poor fuel uniformity of traditional mechanical high-power generator sets, and is highly recognized in global high-standard industrial power supply fields.
In terms of power performance and operational stability, this 1540kVA industrial diesel generator set is equipped with a 16-cylinder 60° V-type large-displacement engine structure. Matched with CTT high-efficiency turbocharger and professional aftercooling system, the unit achieves sufficient air intake and uniform fuel combustion. The 1232kW high-standard prime power supports long-term 24-hour full-load continuous industrial operation, fully adapting to high-intensity continuous power consumption scenarios of heavy industrial equipment. Meanwhile, the 1360kW/1700kVA ultra-high standby power reserve provides sufficient safety margin, which can instantly offset instantaneous load surge and large mechanical equipment startup impact, ensuring ultra-low voltage and frequency fluctuation during load switching, and perfectly adapting to complex variable-load working conditions.
In terms of fuel control and energy-saving advantages, the QSK50-G4 engine adopts industry-leading Modular Common Rail Fuel System (MCRS) with a maximum injection pressure of 1600bar. Different from traditional mechanical fuel pumps, the full electronic fuel supply design eliminates mechanical linkage adjustment errors, realizing precise quantitative fuel injection and ultra-fine atomization. Although the full-load fuel consumption is 338L/H under full industrial load, its full combustion efficiency effectively reduces fuel waste and carbon deposition. The independent electronic control unit can automatically adjust fuel supply parameters according to real-time load changes, maintaining the best fuel efficiency state under different load rates, and achieving a perfect balance between high-power output and operational economy.
In terms of intelligent control and durability, the whole machine is equipped with Cummins exclusive full-authority ECM electronic control system, supporting real-time monitoring of engine speed, oil pressure, water temperature, load rate and other core operating data. It integrates fault self-diagnosis, early warning and predictive maintenance functions, greatly reducing sudden failure risks in daily operation. Equipped with the professional Prelub pre-lubrication system, it effectively avoids dry start wear and protects internal moving parts. The reinforced ductile iron cylinder block and seven-bolt cross-flow cylinder head structure greatly improve mechanical rigidity and vibration resistance, adapting to long-term high-intensity heavy-duty operation and extending the overall service life of the generator set.
In terms of power generation safety and environmental adaptability, the matched brushless self-excited alternator removes traditional carbon brush and slip ring vulnerable structures, realizing long-term maintenance-free excitation operation and lowering later maintenance workload and cost. Adopting H-grade ultra-high temperature resistant insulation materials, the alternator can resist insulation aging and electrical breakdown caused by long-term high-temperature and heavy-load operation. The IP23 industrial protection grade can effectively block outdoor dust, floating debris and splashing rainwater, enabling stable operation in open-air construction sites, dusty mining workshops and outdoor fixed equipment rooms. The built-in multi-dimensional intelligent protection system covers overload, overvoltage, undervoltage, low oil pressure, overheating and short-circuit automatic alarm and shutdown functions, fully guaranteeing on-site power supply safety and equipment operational stability.
In terms of scenario scalability, this electronic controlled Cummins heavy-duty generator supports multi-unit parallel operation to expand system power supply capacity, meeting the cluster power demand of super-large industrial bases and large-scale data center parks. Users can freely configure silent canopy, mobile trailer, ATS automatic transfer switch and remote cloud monitoring system according to project needs, realizing unattended automatic grid switching, silent power generation and mobile emergency power supply, flexibly adapting to diversified high-power power supply scenarios.
3. Main Application Scenarios
Relying on full electronic control precision, ultra-heavy load resistance, low-emission environmental performance and high operational stability, the Cummins QSK50-G4 1232kW diesel generator set is widely used in super-heavy industrial continuous production, national key super engineering construction, large data center clusters, urban core lifeline infrastructure and remote off-grid high-power power supply fields, covering all high-standard power guarantee scenarios with strict stability and environmental protection requirements.
Super Heavy Industrial Continuous Power Supply: It serves as the main power supply equipment for large mining groups, metallurgical smelting bases, ultra-large chemical industrial parks, cement manufacturing enterprises and heavy machinery processing bases. These heavy industrial scenarios require long-term uninterrupted power supply and have extremely low tolerance for power interruption. The 1232kW stable prime power can replace municipal grid power supply for long-term off-grid operation, ensuring continuous operation of production lines and heavy mechanical equipment, and avoiding massive economic losses caused by grid failure and sudden production shutdown.
National Key Super Engineering Construction: This 1540kVA Cummins diesel generator set is the preferred power guarantee equipment for cross-sea infrastructure, large-scale water conservancy and hydropower hubs, oil and gas field exploitation, high-speed railway hub projects and remote field exploration projects. Most remote super projects lack stable municipal grid coverage and have strict on-site environmental protection assessment requirements. The unit’s EPA Tier 2 low-emission performance and strong harsh environment adaptability can provide stable and reliable high-power power support for large construction machinery and on-site integrated supporting facilities.
Large IDC Data Center & Communication Core Hub Emergency Standby: It acts as the core emergency standby power source for ultra-large cloud data center clusters, 5G communication core hubs and network operation base stations. Data center power supply has top-level requirements for stability and continuity. The 1700kVA high standby power margin and millisecond-level load response capability can complete seamless power switching instantly after grid power failure, ensuring uninterrupted operation of server clusters, data storage systems and communication transmission equipment, effectively avoiding data loss and network system paralysis accidents.
Urban Core Public Infrastructure Power Guarantee: The unit is widely applied in tertiary comprehensive hospitals, urban rail transit systems, large commercial complexes and government key command centers. As an important emergency power backup for urban lifeline facilities, it can quickly take over power supply during grid trip, sudden failure or routine maintenance power outage, ensuring the normal operation of medical rescue equipment, fire linkage systems and public service facilities, and safeguarding the safe and stable operation of urban core public facilities.
Off-grid Power Supply and Grid Peak Shaving: It is suitable for long-term independent high-power power supply in remote islands, plateau mining areas and field operation bases without grid coverage. During peak power consumption periods of regional grid tension and power shortage, it can be used as a high-power grid peak-shaving power supply to make up for grid power supply gap, relieve municipal power supply pressure, solve enterprise production restriction problems caused by power limit, and ensure the continuity of industrial production tasks.
4. Core Product Purpose
The core purpose of the Cummins QSK50-G4 1232kW/1540kVA diesel generator set is to provide high-precision, low-emission and ultra-reliable continuous main power supply and high-standard emergency standby power guarantee for super-large industrial projects and high-reliability key facilities, solving the industry pain points of low control accuracy, poor variable-load adaptability and high comprehensive failure rate of traditional mechanical high-power generator sets.
As a modular common rail electronic controlled prime power generation equipment, this Cummins QSK50-G4 industrial generator set relies on 1232kW long-term stable output and 16-cylinder large-displacement power reserve to provide 24-hour uninterrupted main power support for off-grid super industrial bases and large factories with insufficient grid capacity. The 1600bar high-pressure common rail fuel system and full-authority electronic control ensure efficient and stable operation under long-term high-temperature and variable-load conditions, meeting the green and high-efficiency production standards of modern heavy industry.
As a low-emission high-power emergency standby power device, the 1360kW/1700kVA super standby power margin fully meets the emergency power demand of key scenarios such as data centers, medical facilities and rail transit with strict power supply safety and environmental protection requirements. It can respond and start rapidly during municipal grid failures, effectively avoiding data loss, medical treatment interruption and large-scale production shutdown losses caused by sudden power outages, greatly improving the emergency risk resistance capability of enterprises and public institutions.
As an intelligent grid peak-shaving power supply unit, it can accurately compensate for large power shortages during grid peak periods. With real-time fault diagnosis, predictive maintenance and adaptive load adjustment capabilities, it realizes unattended intelligent operation, relieves municipal grid power supply pressure, helps heavy industrial enterprises get rid of peak power restriction constraints, and maximizes project operational safety, environmental benefits and long-term economic benefits.
5. Common FAQ
Q1: What core advantages does QSK50-G4 electronic controlled engine have over traditional KTA50 mechanical engines?
The QSK50-G4 is a new-generation Quantum series full electronic control engine, which is fundamentally different from traditional mechanical KTA50 models. It adopts 1600bar high-pressure modular common rail fuel injection technology without mechanical linkage adjustment errors, achieving more accurate fuel supply and uniform combustion. Equipped with Cummins full-authority ECM electronic control system, it supports real-time data monitoring, fault self-diagnosis and predictive maintenance, featuring faster load response and more stable variable-load operation. Meanwhile, it meets EPA Tier 2 low-emission standards, with lower exhaust pollution and better environmental adaptability, making it more suitable for modern high-standard industrial and green engineering projects.
Q2: What is the optimal operating load range for this 1540kVA diesel generator set in daily use?
In actual industrial operation, for long-term continuous prime power supply, it is recommended to control the daily operating load between 50% and 80% of the 1232kW rated prime power. This load range allows the common rail electronic fuel system and electronic control unit to operate in the highest efficiency state, effectively reducing carbon deposition and mechanical wear, and extending the unit’s overall service life. In emergency power failure scenarios, the unit supports 110% short-term overload operation relying on 1700kVA standby power, but continuous overload operation for more than 1 hour is prohibited to avoid damage to the high-pressure fuel system and alternator insulation structure.
Q3: What complex and harsh working environments can this IP23 brushless generator set adapt to?
This industrial-grade electronic controlled high-power generator set has excellent comprehensive environmental adaptability verified by actual engineering applications. The IP23 protection grade effectively resists daily dust accumulation, floating debris and splashing rainwater, adapting to open-air construction sites, mining sites and outdoor fixed equipment rooms. The H-grade high-temperature resistant alternator operates stably for a long time under high-load and high-temperature working conditions. Matched with the QSK50-G4 engine’s dual-stage air filtration, high-efficiency aftercooling system and Prelub anti-wear system, it can work stably in high temperature, high dust and conventional high-altitude harsh environments, fully meeting the high-power power supply needs of super heavy industry, key engineering construction and urban core facility emergency standby scenarios.

