50HZ SDEC 6ETAA12.8-G32 400kVA/320kW Diesel Generator Set

50HZ SDEC  400kVA/320kW Diesel Generator Set

1.Technical Parameter

2. Core Product Features

The SDEC 6ETAA12.8-G32 320kW/400kVA diesel generator set is a high-power heavy-duty industrial genset upgraded based on SDEC mature E-series engine platform. As a high-demand 400kVA SDEC diesel generator set in the medium and high-power genset market, this unit adopts 12.8L large-displacement six-cylinder inline design, matched with turbocharged air-to-air intercooled intake technology. It features sufficient power reserve, strong overload resistance and stable long-hour continuous operation performance, perfectly meeting the high-load power supply demands of large industrial production and super-large engineering projects.

In terms of power performance, the genset is equipped with genuine SDEC 6ETAA12.8-G32 generator-specific diesel engine with a gross power up to 360kW, providing abundant power redundancy for long-term full-load operation. The rated prime power reaches 320kW, and the maximum emergency standby power can reach 352kW. As a high-reliability 320kW prime power diesel generator, it can withstand 24-hour uninterrupted heavy-load operation and frequent sudden load impact changes. Supported by high-precision electronic speed governing technology, the unit maintains extremely low frequency and voltage fluctuation during operation. The stable and pure power output can effectively protect large-scale industrial equipment and high-precision electrical instruments from damage caused by power jitter and voltage instability, ensuring continuous and stable production progress.

In terms of operational safety and environmental adaptability, the unit is fitted with a mature brushless self-excited alternator, abandoning the traditional carbon brush friction contact structure. This practical structural optimization eliminates electric spark safety hazards and frequent carbon brush wear and aging faults, greatly reducing daily failure rates and improving overall operational safety. With H-grade high-temperature resistant insulation material and IP23 dust-proof and rain-proof protection grade, this 440kVA standby diesel generator can operate stably in various harsh working environments, including dusty industrial workshops, humid outdoor construction sites and high-temperature enclosed operation workshops. It supports reliable cold start at -15℃ without auxiliary heating equipment, adapting to winter low-temperature construction in northern regions and long-term outdoor fixed power supply scenarios, with outstanding environmental tolerance superior to ordinary high-power gensets.

In terms of structural durability and operational economy, the SDEC 6ETAA12.8-G32 industrial engine has passed strict industrial durability tests and long-term market verification. The optimized mechanical direct injection fuel system ensures full fuel combustion under heavy load, with full-load fuel consumption stably controlled at 96.3L/H, maintaining a reasonable and stable energy consumption level for 400kVA-class heavy-duty industrial gensets. The whole machine adopts reinforced cast iron cylinder block and standardized integrated pipeline layout, effectively reducing oil leakage, air leakage and water leakage risks. The compact overall structure and reasonable weight design facilitate on-site installation, fixation and daily inspection and maintenance. Supported by SDEC’s complete nationwide after-sales service system and universal spare parts configuration, the unit effectively lowers long-term operation and maintenance costs for enterprise users and engineering projects.

In terms of functional scalability and intelligent application, the genset supports diversified customized configurations to meet different scenario demands. The optional silent canopy can effectively reduce operating noise, complying with urban environmental protection noise standards and suitable for projects near residential areas and commercial zones. The customized weatherproof enclosure enables long-term outdoor unattended fixed installation. Equipped with an ATS automatic transfer switch, the unit can realize unmanned automatic start-stop and seamless switching between municipal power and generator power. The optional remote monitoring module supports real-time viewing of operating data and active fault alarm, greatly improving the intelligent level and power guarantee reliability of the equipment. The optional mobile trailer configuration also meets the flexible power supply demands of mobile construction scenarios.

3. Main Application Scenarios

Relying on excellent heavy-load resistance, stable long-hour continuous operation and strong environmental adaptability, the SDEC 6ETAA12.8-G32 diesel generator set is widely applied in large-scale heavy industrial production, super-large infrastructure engineering, key public infrastructure, mining operation bases and emergency power guarantee fields, becoming the core power supply equipment for high-standard high-load power demand scenarios.

Large Heavy Industrial Production Scenarios: It is widely used as continuous prime power and emergency standby power for large manufacturing factories, heavy machinery processing bases, chemical industrial parks, new energy production bases and large mining enterprises. The stable 320kW prime power output fully meets the long-term operation demands of high-power production lines, forging and stamping equipment, large mechanical processing units and integrated industrial electrical systems. It can serve as the main off-grid power source for remote large-scale industrial zones and backup power for grid-connected key enterprises, effectively avoiding large-scale production shutdown and massive economic losses caused by sudden mains power failure or grid voltage fluctuation.

Key Public & Commercial Facility Scenarios: This high-power industrial genset provides critical emergency power guarantee for large comprehensive shopping malls, super high-rise office buildings, star hotel clusters, municipal general hospitals, large data centers and urban traffic hub projects. These key public and commercial scenarios have extremely high requirements for power supply continuity, stability and safety. In case of municipal power grid failure, seasonal power rationing, peak power limit or routine power grid maintenance, the unit can start quickly and complete seamless power switching, ensuring the normal operation of elevators, medical precision instruments, fire protection linkage systems, 24-hour monitoring equipment and server room facilities, and safeguarding public safety and stable commercial operation order.

Super Large Infrastructure Engineering Scenarios: It is the mainstream fixed and mobile temporary power supply equipment for highway trunk line reconstruction, large bridge engineering, water conservancy hub projects, railway construction and municipal large-scale infrastructure upgrading. Benefiting from IP23 dust and rain resistance, low-temperature startup performance and strong anti-load impact capability, the unit can adapt to complex and harsh outdoor construction environments, providing stable and lasting high-power power support for large heavy construction machinery, on-site large-scale lighting systems and temporary living and office supporting facilities.

Field Operation & Emergency Rescue Scenarios: It is perfectly applicable to off-grid power supply for remote field exploration bases, large logistics industrial parks, communication base station clusters and pastoral large-scale mining areas. Meanwhile, it can be used as core emergency power supply for natural disaster rescue, regional power grid emergency maintenance and sudden large-area power outage accidents, providing reliable continuous high-power power guarantee for field long-term operations and emergency disposal work.

4. Core Product Purposes

As a professional heavy-duty high-power industrial diesel generator set, the core purpose of the 6ETAA12.8-G32 SDEC diesel generator is to provide stable, efficient and low-failure full-scenario high-power power guarantee for large industrial and super engineering high-load scenarios, covering three core functional positioning: off-grid long-term main power supply, grid-connected emergency standby power supply and enterprise power peak shaving.

Firstly, it acts as off-grid prime power supply equipment. For remote large-scale construction bases, mining clusters, field operation teams and industrial zones without complete municipal power grid coverage, the 320kW/400kVA high-power output serves as the long-term stable main power source to provide 24-hour uninterrupted power supply for large production equipment, supporting living facilities and office systems. Its durable 12.8L large-displacement turbocharged engine structure and stable fuel supply system support ultra-long-term continuous operation, thoroughly solving the high-power power shortage problem of large-scale off-grid engineering projects.

Secondly, it undertakes grid-connected emergency standby power supply for key industries and important public units. For large industrial manufacturing enterprises, medical institutions, large data centers and public service facilities that cannot tolerate power interruption, the genset acts as an indispensable backup power source for the municipal power grid. In case of unexpected power failure, power grid faults, seasonal power rationing and peak power limit, it can quickly take over full load operation to ensure uninterrupted operation of core production and service equipment, avoiding safety accidents and massive economic losses caused by sudden power outages.

Thirdly, it functions as an effective power peak shaving device for industrial enterprise power consumption. During peak periods of regional power grid tension and insufficient power supply, the genset can independently bear part of the high-load production power demand, relieve enterprise power consumption pressure, prevent production stagnation and capacity reduction caused by power grid power limits, and ensure continuous and stable progress of large-scale production and operation tasks.

5. Common FAQ

Q1: What is the practical usage difference between prime power and standby power of the 6ETAA12.8-G32 generator set?

A1: The 320kW/400kVA prime power is the rated continuous operating power of the genset, supporting 24-hour long-term uninterrupted operation and fully applicable for daily off-grid main power supply and long-term fixed high-load industrial operation. The 352kW/440kVA standby power is short-time emergency peak power, which is about 10% higher than the prime power. It is only designed for temporary emergency power supply after mains power failure and is strictly prohibited from long-term full-load operation. In actual on-site engineering use, experienced operators recommend controlling the conventional operating load within 80% to 90% of the prime power to reduce engine mechanical load, avoid excessive wear and tear, and effectively extend the overall service life of the high-power genset.

Q2: What are the core practical advantages of the brushless self-excited alternator on this 400kVA SDEC genset?

A2: This heavy-duty industrial diesel generator is equipped with a high-performance brushless self-excited alternator, which has obvious practical advantages over traditional brushed alternators. It completely eliminates carbon brush wear, friction sparks and contact failure problems during long-term high-load operation, greatly improving operational safety and reducing daily fault rates. Matched with H-grade super heat-resistant insulation and IP23 dust-proof and rain-proof protection standard, it can effectively resist high-temperature aging, dust accumulation and moisture erosion. The output voltage and frequency waveform is stable and clean, causing no impact damage to precision instruments and large high-power industrial equipment. Meanwhile, it realizes nearly maintenance-free daily operation, saving a lot of manual maintenance time and vulnerable part replacement costs for users.

Q3: What is the fuel consumption level and standard maintenance cycle of the 6ETAA12.8-G32 genset?

A3: The full-load fuel consumption of the unit is 96.3L/H, which is a standard and stable fuel consumption level for heavy-duty 400kVA–440kVA industrial generator sets, fully matching long-term high-power continuous operation requirements. For daily maintenance, users only need to regularly check fuel reserve, cooling water level, pipeline tightness and unit operating sound. Routine maintenance including engine oil replacement, multi-stage filter element replacement and radiator dust cleaning is required every 200 operating hours. A comprehensive equipment inspection, component fastening, aging part replacement and overall system overhaul is recommended every 1000 operating hours. Benefiting from the mature SDEC E-series large-displacement turbocharged engine technology and optimized brushless alternator structure, the unit features stable overall performance and lower comprehensive operation and maintenance costs than ordinary high-power gensets.