50Hz SDEC 6KTAA25-G38 560kW/700kVA Diesel Generator Set

SDEC  560kW/700kVA  Diesel Generator Set

1. Technical Parameter

2. Product Features of SDEC 6KTAA25-G38 560kW/700kVA Diesel Generator Set

The SDEC 6KTAA25-G38 50Hz diesel generator set is a high-performance heavy-duty industrial genset developed based on SDEC mature K-series inline six-cylinder engine platform. As a hot-selling 700kVA SDEC diesel generator set in the high-power industrial market, this 560kW prime power generator set is optimized for long-term full-load continuous operation and frequent peak load switching working conditions. It balances high power output, stable operation, energy-saving performance and low maintenance cost, solving the common problems of insufficient power reserve, unstable voltage output and high later maintenance cost of traditional high-power gensets, and is widely recognized in industrial power supply and large-scale engineering supporting fields.

In terms of power performance, this high-power industrial genset has excellent continuous load resistance and reliable overload capacity. The rated prime power reaches 560kW (700kVA), supporting 24-hour uninterrupted full-load heavy-duty operation, fully meeting the long-term stable power demand of large industrial production lines and field engineering equipment. The standby emergency power is up to 600kW (750kVA), retaining 10% effective power reserve margin, which can cope with instantaneous peak load impact and simultaneous startup of multiple high-power mechanical equipment without voltage drop or frequency drift. Equipped with 25.18L large displacement, turbocharged air-to-air intercooling technology and high-pressure common rail electronic fuel injection system, the engine achieves uniform fuel atomization and full combustion, ensuring efficient power conversion and stable power output under long-term heavy load.

In terms of power generation quality and operational stability, the unit adopts a mature brushless self-excited alternator structure. Different from traditional brushed alternators that are prone to carbon brush wear and poor contact faults, this maintenance-free excitation design eliminates vulnerable wearing parts, effectively avoiding power supply jitter and voltage instability caused by component aging. The built-in intelligent AVR automatic voltage regulator realizes real-time dynamic voltage adjustment, with steady-state voltage regulation rate controlled within ±0.5%, ensuring ultra-stable pure sine wave power output. Matched with H-grade high-temperature resistant insulation materials, the alternator can resist high-temperature aging and electrical breakdown, maintaining stable power generation performance in high-temperature closed equipment rooms and outdoor continuous operation environments. The IP23 dustproof and splash-proof protection grade adapts to dusty, humid and complex outdoor working conditions, with strong environmental adaptability.

In terms of structural reliability and energy-saving environmental protection, the 6KTAA25-G38 inline six-cylinder engine adopts dry liner cylinder structure and integral industrial casting process, with high structural rigidity and low operational vibration. Compared with V-type high-power gensets, it operates more smoothly under long-term full load, reducing mechanical fatigue loss and equipment failure rate. The optimized closed water circulation cooling system ensures uniform and efficient heat dissipation, effectively avoiding engine overheating failure during long-time continuous operation. After professional fuel injection calibration, the full-load fuel consumption is stably controlled at 143.1L/H, realizing a good balance between high-power output and fuel economy. Complying with National Stage III and Euro III emission standards, the unit features low exhaust smoke and low pollution, meeting the environmental protection access standards of modern industrial parks and standardized construction sites.

In terms of practical industrial configuration and usability, the unit is equipped with a 24V DC high-reliability electric starting system, which can realize quick and successful starting in low temperature, high humidity and extreme weather environments, with high starting success rate and no manual auxiliary operation required. The whole machine supports multiple installation forms including open type, silent type and containerized type, which can flexibly adapt to indoor fixed installation and outdoor mobile engineering scenarios. The reasonable structural layout reserves sufficient maintenance space for core components such as engine, alternator and filter system, facilitating daily fault troubleshooting, regular filter replacement and routine maintenance for on-site operators, greatly reducing long-term operational and maintenance costs.

3. Application Scenarios

The SDEC 6KTAA25-G38 560kW/700kVA diesel generator set supports dual working modes of prime power continuous power supply and standby emergency power supply. With its inline six-cylinder stable operation, strong load resistance, high power quality and flexible installation adaptability, it covers high-power power demand scenarios in multiple industries, and is the core power guarantee equipment for heavy industrial production, large-scale infrastructure engineering, municipal key public facilities, commercial complex emergency backup and remote off-grid field operation.

Heavy Industrial Manufacturing Scenarios: This 700kVA industrial diesel generator set is widely applied in large chemical plants, coal mining enterprises, metallurgical processing bases, building materials factories and heavy industrial parks. For remote industrial zones without complete municipal grid coverage and insufficient local power capacity, it acts as prime power to provide 24-hour uninterrupted stable power supply for heavy production lines, large mechanical equipment, power distribution systems and supporting ventilation and cooling facilities. For urban heavy industrial enterprises, it serves as key emergency standby power to cope with sudden grid power failure, seasonal peak power limitation and routine power grid maintenance, preventing large-scale production shutdown and huge economic losses caused by power interruption.

Large Infrastructure & Field Engineering Scenarios: It is the preferred high-power temporary power supply equipment for highway and bridge large-scale construction, railway trunk line engineering, water conservancy and hydropower projects, municipal key renovation projects and field geological exploration operations. Most outdoor large-scale engineering sites are far away from urban power grids, lacking fixed grid access conditions and having centralized high-power power consumption demand. The 750kVA standby power reserve can fully meet the simultaneous operation of multiple large construction machinery, welding equipment, temporary engineering office and staff living electricity. It can be configured with silent and containerized structures to adapt to different construction site environments, and operates stably in harsh conditions such as high temperature, low temperature, dust and high humidity.

Urban Public & Commercial Emergency Scenarios: The SDEC 600kW standby diesel generator set is commonly used in super-large commercial complexes, high-rise office building clusters, star hotel groups, grade-A tertiary hospitals, urban data centers and government key administrative institutions. These scenarios have extremely strict requirements for power supply continuity and safety. When the municipal power grid fails, fluctuates abnormally or is cut off for maintenance, the unit can start quickly and complete automatic power switching, ensuring the normal operation of fire protection linkage systems, elevator equipment, medical life-saving instruments, data server equipment and public lighting systems, effectively avoiding public safety risks and data loss caused by sudden power outage.

Special Off-Grid & Key Power Guarantee Scenarios: It is suitable for communication base station clusters, oil field operation areas, mountain remote industrial zones, island offshore operation platforms and field military supporting power supply. These special operation scenarios are not covered by urban power grids and lack stable municipal power support. The 6KTAA25-G38 high-power genset can realize long-term stable off-grid continuous power supply, effectively solving the problems of power shortage and unstable power supply in remote special sites, and providing reliable uninterrupted power guarantee for key equipment operation and on-site daily power consumption.

4. Core Purposes

The core value of the SDEC 6KTAA25-G38 560kW/700kVA 50Hz diesel generator set is to provide high-stability, energy-saving and low-maintenance high-power power supply solutions for heavy-duty industrial and high-reliability emergency power demand scenarios. It mainly undertakes three core functional purposes: off-grid prime power continuous power supply, grid-connected standby emergency power guarantee and industrial grid peak shaving power compensation, meeting the diversified high-standard power consumption needs of various industries.

Prime Power Continuous Power Supply (560kW/700kVA): As the main power supply equipment for off-grid areas and industrial sites with insufficient grid capacity, the unit supports 24-hour long-term full-load continuous heavy-duty operation. It is mainly deployed in remote heavy industrial parks, large-scale field engineering projects, mining operation areas and off-grid key public facilities to undertake daily continuous power supply tasks. Its inline six-cylinder stable structure and high-efficiency fuel combustion system ensure long-term stable power output, effectively solving the problem of insufficient power supply in remote areas and guaranteeing the continuous and efficient progress of enterprise production and project construction.

Standby Emergency Power Guarantee (600kW/750kVA): For grid-connected heavy industrial enterprises and urban key public facilities with high power supply reliability requirements, this 750kVA standby diesel generator set acts as a critical emergency power backup. It reserves sufficient overload power margin to cope with instantaneous peak power demand during power failure. Once the municipal power grid is cut off, fails or fluctuates abnormally, the unit can complete quick start and automatic power switching in a short time, ensuring the continuous operation of key production equipment and public service facilities, avoiding production shutdown, data loss and safety accidents, and improving the overall safety and stability of on-site power consumption.

Industrial Grid Peak Shaving & Power Compensation: For large heavy industrial enterprises with huge power consumption and obvious peak-valley power difference, the 6KTAA25-G38 generator set can be started during grid peak power consumption periods to compensate for insufficient grid power supply. It effectively reduces enterprise peak power consumption costs, avoids production restriction and shutdown caused by grid peak regulation and power rationing. Relying on brushless self-excited maintenance-free design, H-grade high-temperature resistance and IP23 dust and water resistance, the unit can realize long-term unattended peak shaving operation with low failure rate and minimal later maintenance workload, bringing stable economic benefits for enterprise power consumption management and safe production guarantee.

5. Frequently Asked Questions (FAQ)

Q1: What is the practical difference between prime power and standby power of the 6KTAA25-G38 genset?

The 560kW/700kVA prime power is the rated continuous operating power of the unit, designed for long-term 24-hour full-load stable operation. It is the conventional working power for daily off-grid power supply, suitable for remote factories, field construction and mining sites that require uninterrupted power support all year round. The 600kW/750kVA standby power is emergency peak power with 10% power reserve, only used for short-term emergency power supply during municipal grid power failure, grid fluctuation or routine power maintenance. According to industrial operation specifications, standby power cannot run at full load for a long time. Long-term overload operation will accelerate engine mechanical wear, reduce combustion efficiency and shorten the overall service life of the genset. On-site users need to select the working mode according to actual power demand scenarios.

Q2: What are the core advantages of the brushless self-excited alternator equipped on 6KTAA25-G38 700kVA genset?

Most high-power industrial gensets run under heavy load for a long time, and traditional brushed alternators are prone to carbon brush wear, poor contact and power jitter, requiring frequent replacement of vulnerable parts and regular overhaul. The brushless self-excited alternator adopted by 6KTAA25-G38 cancels carbon brushes and slip rings, realizing maintenance-free excitation operation. It effectively avoids power supply instability caused by vulnerable part failure, greatly reducing daily maintenance frequency and long-term operational costs. Matched with H-grade ultra-high temperature insulation and IP23 protection capability, it can resist high temperature, dust and moisture erosion, maintain stable power generation quality under harsh working conditions, and is more durable and reliable for long-term industrial heavy-duty operation.

Q3: How to control fuel consumption and extend the service life of 6KTAA25-G38 diesel generator set in daily operation?

The standard full-load fuel consumption of the unit is 143.1L/H. In actual on-site operation, running the genset stably at 70% to 80% rated load is the most energy-efficient state, which balances heavy-load power demand and fuel economy perfectly. Users need to regularly replace diesel filters, air filters and oil filters to ensure smooth fuel supply and air intake, avoid insufficient combustion and increased fuel consumption caused by filter blockage. It is necessary to reduce frequent start-stop and long-term no-load idling operation. Regularly inspect the cooling system and 24V electric starting system to ensure stable heat dissipation and reliable starting. Standardized daily maintenance can effectively reduce unit failure rate, optimize fuel utilization efficiency and significantly extend the overall service life of the SDEC 6KTAA25-G38 high-power diesel generator set.