50HZ SDEC SC13G420D2 313kVA/250kW Diesel Generator Set

SDEC  313kVA/250kW Diesel Generator Set

1. Technical Parameter

2. Core Product Features

The SDEC SC13G420D2 250kW/313kVA diesel generator set is a high-performance heavy-duty industrial genset built on SDEC mature SC13G engine platform. As a widely recognized 313kVA SDEC diesel generator set in the medium and high power genset market, this unit features large displacement turbocharged intercooled design and professional power calibration for generator use, delivering stable power output, strong load impact resistance and long continuous operation life. It is one of the most cost-effective high-power gensets for industrial production and large-scale engineering power supply projects.

In terms of power performance, the genset adopts genuine SDEC SC13G420D2 dedicated diesel engine. The 6-cylinder inline layout and 12.88L large displacement, matched with air-to-air intercooled turbocharging technology, provides sufficient power reserve and stable torque output. The rated prime power reaches 250kW, and the maximum standby power is up to 272kW. As a high-reliability 250kW prime power diesel generator, it can handle long-term full-load operation and frequent sudden load changes. Equipped with an electronic speed governor, the unit maintains ultra-low frequency and voltage fluctuation during operation, ensuring clean and stable power supply for high-power industrial equipment and precision electrical devices without abnormal shutdown or equipment damage caused by power instability.

In terms of operational safety and environmental adaptability, the matched brushless self-excited alternator completely abandons the traditional carbon brush friction structure. This structural upgrade eliminates electric spark risks and frequent carbon brush wear failures, greatly reducing daily fault rates and improving operational safety. With H-grade high-temperature resistant insulation material and IP23 dust-proof and rain-proof protection standard, this 340kVA standby diesel generator can adapt to various harsh working environments, including outdoor open-air construction, dusty factory workshops and high-humidity areas. It supports reliable cold start at -15℃, which perfectly solves the power supply difficulties of winter construction and low-temperature area operation, with excellent environmental tolerance superior to ordinary medium-power gensets.

In terms of durability and operating economy, the SDEC SC13G series industrial engine has undergone long-term market verification and strict industrial durability tests, with mature manufacturing technology and stable overall performance. The optimized direct injection fuel system improves fuel combustion efficiency, and the full-load fuel consumption is stably controlled at 62.9L/H, maintaining a good energy-saving level among 313kVA-class high-power industrial gensets. The whole machine adopts reinforced body structure and standardized pipeline layout, effectively reducing oil leakage, air leakage and water leakage risks. The universal parts design and complete national after-sales service system greatly lower daily maintenance difficulty and long-term operation costs for enterprise users and engineering projects.

In terms of functional scalability, 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 for residential and commercial adjacent construction. The weatherproof enclosure enables long-term outdoor fixed installation and unattended operation. The ATS automatic transfer switch realizes automatic start-stop and seamless mains power switching, while the remote monitoring module supports real-time operating data viewing and fault early warning, significantly improving the intelligent level and power guarantee reliability of the equipment.

3. Main Application Scenarios

With outstanding high-load resistance, stable long-hour operation performance and strong environmental adaptability, the SDEC SC13G420D2 diesel generator set is widely applied in heavy industrial production, large infrastructure engineering, key public facilities, mining operations and emergency power guarantee fields, serving as the core power supply equipment for medium and large high-power demand scenarios.

Heavy Industrial Production Scenarios: It is commonly used as continuous prime power and emergency standby power for large manufacturing factories, heavy machinery processing bases, industrial parks and mining enterprises. The 250kW 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 act 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 critical emergency power guarantee for large shopping malls, super high-rise office buildings, star hotels, municipal hospitals, medium-sized data centers and urban traffic hubs. These key public and commercial scenarios have extremely high requirements for power supply continuity and safety. In case of municipal power grid failure, seasonal power rationing 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 systems, monitoring equipment and server room facilities, and safeguarding public safety and stable commercial operation.

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

Field Operation & Emergency Rescue Scenarios: It is suitable for off-grid power supply for remote field exploration bases, large logistics parks, communication base station clusters and pastoral mining areas. Meanwhile, it can be used as emergency power supply for natural disaster rescue, power grid emergency maintenance and sudden regional power outage accidents, providing reliable 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 SC13G420D2 SDEC diesel generator is to deliver 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 serves as off-grid prime power supply equipment. For remote construction bases, mining areas, field operation teams and industrial zones without complete municipal power grid coverage, the 250kW/313kVA high-power output acts 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 support 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 essential backup power source for the municipal power grid. When facing unexpected power failure, power grid faults or seasonal power rationing, 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 power outages.

Thirdly, it functions as an effective power peak shaving device for 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 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 actual usage difference between prime power and standby power of the SC13G420D2 generator set?

A1: The 250kW/313kVA prime power refers to 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 272kW/340kVA 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 not allowed for long-term full-load operation. In actual on-site engineering use, it is recommended to control the conventional operating load within 80% to 90% of the prime power to reduce engine load and extend the overall service life of the genset.

Q2: What practical advantages does the brushless self-excited alternator bring to this SDEC genset?

A2: This 313kVA industrial diesel generator is equipped with a professional brushless self-excited alternator, which has obvious practical advantages over traditional brushed alternators. It eliminates carbon brush wear, friction sparks and contact failure problems during high-load operation, greatly improving operational safety and reducing daily failure rates. Matched with H-grade super heat-resistant insulation and IP23 dust-proof and rain-proof protection, it can resist high temperature, dust and moisture erosion effectively. The output voltage and frequency waveform is more stable, causing no impact damage to precision instruments and 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 SC13G420D2 genset?

A3: The full-load fuel consumption of the unit is 62.9L/H, which is a competitive energy-saving level among similar 313kVA–340kVA high-load industrial generator sets, fully matching long-term high-power operation demands. For daily maintenance, users only need to check fuel stock, cooling water level, pipeline tightness and unit operating sound regularly. 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. Thanks to mature SDEC SC13G series engine technology and optimized brushless alternator structure, the unit features stable performance and lower comprehensive operation and maintenance costs than ordinary high-power gensets.