50HZ SDEC 6ETAA11.8-G21 300kVA/240kW Diesel Generator Set

50HZ SDEC 300kVA/240kW Diesel Generator Set

1.  Technical Parameter

2. Core Product Features

The SDEC 6ETAA11.8-G21 240kW/300kVA diesel generator set is a heavy-duty industrial power equipment based on SDEC mature E-series engine platform. As a widely trusted 300kVA SDEC diesel generator set in the high-power genset market, this unit adopts 11.8L large-displacement turbocharged intercooled engine technology, with strong power reserve, excellent load resistance and ultra-stable continuous operation performance. It is specially optimized for long-hour full-load working conditions, perfectly meeting the high-standard power supply needs of heavy industry, large engineering and key public infrastructure projects.

In terms of power performance, the genset is equipped with genuine SDEC 6ETAA11.8-G21 professional generator-dedicated engine. The 6-cylinder inline four-valve structure and large-displacement design deliver strong torque output, with a stable prime power of 240kW and a maximum standby power of 264kW. As a high-reliability 240kW prime power diesel generator, it can withstand frequent load impact and long-term full-load continuous operation. The matching electronic speed governor ensures extremely low frequency and voltage fluctuation during variable load switching, providing pure and stable power output for high-power industrial equipment and precision electrical instruments, effectively avoiding equipment failure caused by unstable power supply.

In terms of environmental adaptability and operational safety, the unit is fitted with a high-quality brushless self-excited alternator, which abandons the traditional carbon brush contact structure. This design eliminates spark risks and frequent carbon brush wear faults, greatly improving operational safety and stability. Adopting H-grade high-temperature resistant insulation material and IP23 dust-proof and rain-proof protection grade, this 330kVA standby diesel generator can operate normally in harsh environments such as outdoor open air, factory dust, high humidity and high temperature. It supports reliable cold start at -15℃, adapting to winter low-temperature construction in northern regions and long-term outdoor fixed power supply scenarios, with outstanding environmental tolerance compared with ordinary medium and high-power gensets.

In terms of structural durability and practical economy, SDEC E-series industrial engines have passed strict industrial durability tests and long-term market verification, with mature manufacturing technology and low failure rate. The optimized mechanical direct injection fuel system ensures sufficient power output under heavy load, and the full-load fuel consumption is stably controlled at 73.3L/H, maintaining a balanced level of high power and practical energy efficiency. The whole machine adopts reinforced body structure and standardized pipeline layout, reducing oil leakage and water leakage risks. The universal parts design and complete national after-sales service system greatly reduce daily maintenance difficulty and long-term operating costs for users.

In terms of intelligent and scalable configuration, the genset supports diversified customized upgrades for different application scenarios. The optional silent canopy can effectively reduce operating noise, meeting environmental protection requirements for urban construction and residential surrounding areas. The weatherproof enclosure is suitable for long-term outdoor unattended fixed installation. Equipped with ATS automatic transfer switch, the unit can realize unmanned automatic start-stop and seamless switching between mains power and generator power, while the remote monitoring system supports real-time data viewing and fault alarm, improving the intelligent level and power guarantee reliability of the equipment.

3. Main Application Scenarios

Relying on strong high-load resistance, stable long-term operation and excellent environmental adaptability, the SDEC 6ETAA11.8-G21 diesel generator set is widely used in heavy industrial production, large-scale infrastructure engineering, key public facilities, mining operations and emergency power guarantee fields, becoming the preferred high-power power supply equipment for medium and large high-load scenarios.

Heavy Industrial Production Scenarios: It serves as continuous prime power and emergency standby power for large manufacturing factories, heavy machinery processing bases, industrial parks and mining enterprises. The 240kW stable prime power output fully meets the long-term operation demand of high-power production lines, heavy mechanical equipment and industrial electrical systems. It can be used as the main power source for off-grid industrial zones and backup power for grid-connected key enterprises, effectively avoiding large-scale production shutdown and economic losses caused by sudden mains power failure or voltage fluctuation.

Key Public & Commercial Facility Scenarios: This high-power industrial genset provides core emergency power guarantee for large shopping malls, super high-rise office buildings, star hotels, municipal hospitals, small and medium-sized data centers and urban traffic hubs. These key scenarios have zero tolerance for power interruption. When encountering municipal power grid failure, seasonal power rationing or power grid maintenance, the unit can start quickly and switch power supply seamlessly, ensuring the normal operation of elevators, medical precision equipment, fire protection systems, monitoring equipment and server room facilities, and safeguarding public safety and stable commercial operation.

Large-Scale Infrastructure Engineering Scenarios: It is the mainstream temporary power supply equipment for highway reconstruction, bridge engineering, water conservancy projects, municipal infrastructure upgrading and large outdoor construction sites. With 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 power support for heavy construction machinery, on-site lighting and temporary living and office facilities.

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

4. Core Product Purposes

As a heavy-duty high-power industrial diesel generator set, the core purpose of the 6ETAA11.8-G21 SDEC diesel generator is to provide stable, efficient and low-failure full-scenario high-power power guarantee for industrial and engineering high-load scenarios, covering three core functional positioning: off-grid main power supply, grid-connected emergency standby power supply and power peak shaving.

Firstly, it acts asoff-grid prime power supply equipment. For remote construction bases, mining areas, field operation teams and industrial zones without complete municipal power grid coverage, the 240kW/300kVA high-power output can be used as the long-term main power source to provide 24-hour uninterrupted power supply for large production equipment, living facilities and office systems. Its durable engine structure and stable fuel supply system ensure long-term continuous operation, solving the high-power power shortage problem of off-grid large-scale projects.

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

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

5. Common FAQ

Q1: What is the practical difference between prime power and standby power of the 6ETAA11.8-G21 generator set?

A1: The 240kW/300kVA prime power is the rated continuous operating power of the genset, supporting 24-hour long-term uninterrupted operation and suitable for daily off-grid main power supply and long-term fixed high-load industrial operation. The 264kW/330kVA standby power is short-time emergency peak power, which is 10% higher than the prime power. It is only used for temporary emergency power supply after mains power failure and is prohibited from long-term full-load operation. In actual on-site engineering use, it is recommended to control the conventional operating load within 80%-90% of the prime power to reduce engine operating load and effectively extend the overall service life of the genset.

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

A2: This 300kVA industrial diesel generator adopts advanced brushless self-excited alternator, which has obvious practical advantages over traditional brushed alternators. It has no carbon brush wear, friction spark and contact failure problems during high-load operation, with higher operational safety and lower daily failure rate. Matched with H-grade super heat-resistant insulation and IP23 dust-proof and rain-proof protection standard, it can resist high temperature, dust and moisture erosion effectively. The output voltage and frequency waveform is more stable, which will not cause impact damage to precision instruments and high-power industrial equipment. Meanwhile, it realizes nearly maintenance-free daily operation, greatly saving manual maintenance time and vulnerable part replacement costs.

Q3: What is the fuel consumption level and conventional maintenance cycle of the 6ETAA11.8-G21 genset?

A3: The full-load fuel consumption of the unit is 73.3L/H, which is a reasonable fuel consumption level for 300kVA–330kVA heavy-duty industrial generator sets, fully matching high-power continuous operation requirements. In terms of daily maintenance, users only need to regularly check fuel stock, cooling water level, pipeline tightness and unit operating sound. Routine maintenance including engine oil replacement, filter element replacement and radiator dust cleaning is required every 200 operating hours. A comprehensive equipment inspection, component fastening and overall overhaul is recommended every 1000 operating hours. Benefiting from the mature SDEC E-series engine technology and optimized brushless alternator structure, the unit has stable performance and lower comprehensive operation and maintenance costs than ordinary high-power gensets.