50HZ Cummins QSZ13-G2 350kW/438kVA Diesel Generator Set

50HZ Cummins  350kW/438kVA Diesel Generator Set

1. Technical Parameter

2. Product Features

The Cummins QSZ13-G2 350kW/438kVA diesel generator set is a high-performance medium and high-power industrial power generation equipment built on Dongfeng Cummins mature QSZ13 series engine platform. As a hot-selling 438kVA Cummins diesel generator in the engineering and industrial power supply market, this unit adopts upgraded turbocharged intercooled technology and electronic fuel control design. It balances strong power output, stable continuous operation and durable structural performance, solving the problems of insufficient power margin and poor environmental adaptability of conventional generator sets of the same power level. It has been widely applied in industrial standby power, off-grid main power supply and large-scale project power guarantee scenarios, with stable field operation performance verified by multiple engineering projects.

2.1 High-Strength Structural Design, Super Operational Reliability

Powered by genuine Dongfeng Cummins QSZ13-G2 professional generator drive engine, the unit adopts integral all-steel piston and high-strength cast iron cylinder block structure, which can withstand ultra-high explosion pressure of 230 bar. The optimized forged steel crankshaft configuration greatly improves the overall rigidity and vibration resistance of the equipment, adapting to long-term high-load continuous operation and frequent start-stop working conditions. Compared with ordinary generator engines, the QSZ13-G2 model has undergone rigorous component durability tests, with lower mechanical failure rate and longer overall service life, fully meeting the long-term power supply demands of industrial and engineering scenarios.

2.2 Abundant Power Reserve, Strong Load Impact Resistance

This industrial diesel generator set is equipped with 350kW prime continuous power and 380kW emergency standby power, with sufficient power margin reserved for complex variable load environments. Matching professional turbocharging and air-air intercooling system effectively improves intake air density, makes diesel combustion more sufficient, and enhances instantaneous power response speed. It can stably cope with instantaneous load surge caused by simultaneous start-up of multiple high-power mechanical equipment, without voltage drop or frequency fluctuation. The supporting brushless self-excited alternator features fast excitation response and strong anti-interference ability, ensuring pure and stable three-phase AC power output, which can well protect precision electrical equipment and automated production systems.

2.3 Precise Electronic Fuel Control, Balanced Power and Energy Saving

Adopting advanced electronic controlled fuel injection system, the QSZ13-G2 generator engine can intelligently adjust fuel supply volume in real time according to load changes, realizing precise fuel metering and avoiding invalid fuel waste caused by mechanical regulation deviation. The full-load fuel consumption is stably controlled at 88.8L/H, maintaining a good balance between high-power output and economic operation. Different from traditional mechanical governor generator sets, the electronic control configuration effectively optimizes fuel utilization efficiency under medium and low load operation, greatly reducing daily operating fuel costs for users, with outstanding comprehensive cost performance in long-term continuous power generation scenarios.

2.4 High-Grade Protection Configuration, Adaptable to Complex Harsh Working Conditions

The matched brushless alternator adopts H-grade ultra-high temperature resistant insulation material, which can resist long-term high-temperature aging and maintain stable insulation performance in high-temperature workshops, outdoor hot environments and continuous high-load operation scenarios. The IP23 professional dustproof and waterproof protection grade can effectively block external dust, debris and splashing water, preventing internal circuit short circuit and mechanical failure caused by environmental erosion. Whether it is dusty open-air construction sites, humid coastal working environments or high-temperature industrial production workshops, the unit can maintain stable operating state and adapt to various harsh working conditions.

2.5 Low Maintenance Cost, Complete After-Sales Support System

The QSZ13 series engine adopts standardized modular integrated design with high part universality and strong interchangeability. Daily inspection, routine maintenance and vulnerable parts replacement are simple and efficient, without complex professional operation. The brushless self-excited alternator cancels carbon brush vulnerable parts, eliminating frequent carbon brush replacement and maintenance work required by traditional generators, greatly saving labor and material costs. Relying on Dongfeng Cummins’ nationwide perfect after-sales service system, spare parts supply is sufficient and after-sales response is fast, effectively shortening equipment downtime and ensuring long-term stable operation of the generator set.

3. Application Scenarios

With its 350kW high stable power output, strong structural durability and excellent environmental adaptability, the Cummins QSZ13-G2 438kVA diesel generator set covers high-standard power supply scenarios in industrial manufacturing, large-scale engineering construction, commercial public facilities and emergency disaster relief industries. 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 extremely wide market applicability.

3.1 Large Industrial Manufacturing Standby Power Supply

It is the preferred emergency backup power equipment for large processing factories, chemical enterprises, building materials plants, mining enterprises and mechanical manufacturing bases. Modern large-scale industrial production relies on continuous operation of assembly lines and high-power equipment, and sudden grid power outage will directly cause production shutdown, material waste and huge economic losses. This high-power Cummins generator set can realize fast start and automatic power switching, providing uninterrupted power support for production lines, frequency conversion equipment and workshop supporting facilities, and effectively guaranteeing stable and continuous industrial production.

3.2 Large-Scale Engineering & Mining Field Main Power Supply

It is widely used as the main power supply for municipal key projects, highway and bridge engineering, railway infrastructure construction, open-pit mining, water conservancy projects and field exploration operations. Most remote construction sites and mining areas lack stable municipal grid coverage. The 350kW prime power of the unit can provide stable and continuous power for large drilling machinery, hoisting equipment, on-site office systems and construction personnel temporary living facilities. Its high-strength vibration-resistant structure can fully adapt to harsh outdoor working conditions such as wind, sand, humidity and uneven foundation.

3.3 High-Standard Commercial & Public Facility Backup Power

Suitable for large shopping mall complexes, five-star hotels, high-rise office buildings, comprehensive tertiary hospitals, campus facilities and government public institutions. These scenarios feature dense personnel and involve key public service functions, requiring ultra-high power supply stability and safety. In case of sudden power outage, seasonal peak power restriction, grid voltage fluctuation and line maintenance, the 380kW standby power reserve of the unit can be quickly put into operation to ensure the normal operation of medical rescue equipment, fire protection linkage systems, elevator equipment and lighting ventilation systems, avoiding public safety accidents and service interruption losses.

3.4 Emergency Rescue & Off-Grid Remote Power Supply

The unit is also commonly used for flood prevention and disaster relief emergency power supply, field rescue temporary power consumption, remote mountain area power supply, pastoral area production power consumption and communication base station standby power. It features stable operation, low failure rate and convenient mobile deployment, which can solve the problem of independent power consumption in off-grid, remote and emergency scenarios, and provide reliable power guarantee for emergency rescue work and remote area production and living needs.

4. Core Purposes

The Cummins QSZ13-G2 350kW/438kVA diesel generator set is positioned as a high-reliability universal high-power power generation device for industrial and engineering scenarios. It mainly solves the industry pain points of insufficient grid power supply capacity, sudden power outage operation risks and no grid coverage in high-load power demand scenarios, and provides stable, efficient and low-maintenance power support for various industries. Its core usage purposes are divided into three categories.

4.1 Grid-Connected Emergency Standby Power Guarantee

This is the most mainstream core function of the unit. For grid-connected industrial enterprises, commercial complexes and public service institutions with high power supply continuity requirements, it acts as professional emergency backup power equipment. When encountering sudden power outage, seasonal peak power restriction, grid voltage instability and line failure, the generator set can start quickly and complete automatic power switching, effectively avoiding production shutdown, business suspension and safety hazards caused by power interruption, and ensuring continuous operation of core production equipment and key public service businesses.

4.2 Off-Grid Long-Term Main Power Supply

In remote mining areas, field construction bases, unconnected mountainous areas and water conservancy project sites without municipal grid support, the 350kW stable prime power of the unit can be used as long-term main power supply. Relying on QSZ13 series mature turbocharged power technology and high-strength durable structure, it can support 24-hour uninterrupted power generation all year round, fully meeting the daily production and living power demand of off-grid scenarios, and is a high-cost-performance independent power generation solution for remote areas and field projects.

4.3 Power Grid Peak Shaving & Industrial Load Supporting

In regions with tight seasonal power supply and prominent industrial peak power consumption pressure, the unit can be used as grid peak shaving power equipment. It can be started in time during industrial peak power consumption periods to share municipal grid load pressure, effectively solve the problem of enterprise production restriction and equipment shutdown caused by grid power shortage, and ensure the smooth progress of peak production tasks of industrial manufacturing enterprises.