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1. Page IntroductionA diesel generator set is an integrated independent power generation system that combines a high-performance diesel engine, a premium alternator, intelligent control system, fuel supply system, cooling system, and safety protection devices into one compact, durable unit. As a core reliable power solution for both standby and prime power scenarios, the diesel generator set converts diesel chemical energy into mechanical energy through engine combustion, then transforms stable mechanical rotation into continuous electrical energy, delivering stable, efficient, and uninterrupted power supply for various industrial, commercial, residential, and special engineering scenarios. Unlike grid power and renewable power equipment, the diesel generator set features autonomous operation, unrestricted by regional power grid coverage, weather conditions, and environmental limitations, making it the most trustworthy power guarantee for power outage emergency response, off-grid power supply, and peak power supplementation. Widely applied in manufacturing factories, data centers, hospitals, construction sites, mining operations, remote pastoral areas, communication base stations, and emergency rescue projects, modern diesel generator sets have evolved from traditional simple power generation equipment to intelligent, low-consumption, low-noise, and high-adaptability integrated power stations. With continuous technological iteration and manufacturing process upgrading, diesel generator sets now excel in operational stability, fuel economy, service life, and safety performance, fully meeting the high-standard power demand of modern industrial production and commercial operation. Whether for long-term off-grid prime power supply or short-term emergency standby power backup, the diesel generator set can maintain stable full-load operation, effectively avoid production shutdown losses, equipment damage, and operational risks caused by sudden power failures, becoming an indispensable core power facility in various industries.2. Core Advantages of Diesel Generator Set2.1 Ultra-high Operational Stability and ReliabilityStability is the core competitive advantage of a high-quality diesel generator set, and all our diesel generator sets adopt a mature diesel engine and synchronous alternator golden matching solution, realizing extremely stable power output performance. Equipped with a high-precision AVR automatic voltage regulator, the diesel generator set can control the voltage fluctuation range within ±0.5% even under sudden load increase or decrease, completely avoiding voltage surge and drop problems that damage precision electrical equipment. The unit adopts a professional crankshaft and piston transmission structure, with a compression ratio of 15-20:1, ensuring sufficient combustion power and uniform operating torque, effectively reducing operational vibration and speed fluctuation. In terms of startup stability, the diesel generator set achieves ultra-fast emergency startup within 10 seconds and can reach full-load stable operation within 1 minute, which fully meets the strict power supply continuity requirements of high-demand scenarios such as hospital ICUs, data center server rooms, and industrial automated production lines. Meanwhile, the diesel generator set supports long-term continuous operation and frequent startup and shutdown cycles, with no stall or flameout failure under rated load and mild overload conditions. It can operate stably in extreme environments including high temperature, low temperature, high humidity, and dust, with strong environmental anti-interference ability, ensuring zero interruption of power supply in various complex working conditions.2.2 Excellent Fuel Economy and Low Operating CostCost control is a key concern for enterprise and engineering power consumption, and our diesel generator sets are optimized in engine structure, combustion system, and power matching, achieving industry-leading low fuel consumption performance. The thermal efficiency of the matched high-efficiency diesel engine reaches 30%-46%, and the comprehensive fuel consumption rate is as low as 200g/kWh to 205g/kWh, which is significantly lower than that of ordinary generator sets of the same power. The diesel generator set adopts an optimized atomization fuel injection technology, which can fully atomize diesel fuel and mix it evenly with compressed air in the cylinder, realizing full combustion of fuel, reducing fuel waste while improving power conversion efficiency. In addition, the intelligent fuel supply control system of the diesel generator set can automatically adjust fuel injection volume according to real-time load changes, avoid excessive fuel supply under light load conditions, and further reduce daily operating fuel consumption. Compared with gas generator sets and gasoline generator sets, diesel generator sets have lower fuel unit price, higher energy density, and longer continuous power supply time per unit fuel. Moreover, the overall failure rate of diesel generator sets is low, with simple daily maintenance and low maintenance cost, effectively reducing the long-term comprehensive operating cost for users and bringing higher economic benefits for long-term continuous power consumption scenarios.2.3 Intelligent Control and Safe Protection PerformanceModern diesel generator sets are equipped with full digital intelligent control panels, replacing traditional analog display devices, realizing full-automatic intelligent operation and real-time monitoring of the whole machine. The intelligent system of the diesel generator set can accurately monitor core operating data including output voltage, current, frequency, engine speed, water temperature, oil pressure, fuel level, and unit operating hours, with clear data display and simple operation. The diesel generator set supports multiple operation modes such as automatic startup, automatic shutdown, automatic grid switching, and remote intelligent control. When the grid power fails or voltage is abnormal, the unit can automatically start up and switch to standby power supply within a few seconds; when the grid power recovers, it can automatically shut down and switch back to grid power supply, realizing unattended automatic operation. In terms of safety protection, the diesel generator set is equipped with a complete multi-dimensional safety protection mechanism, including overvoltage, undervoltage, overload, short circuit, overheating, low oil pressure, and overspeed protection functions. Once the unit has abnormal operating parameters, the system will immediately trigger automatic alarm and emergency shutdown protection to avoid equipment damage and safety accidents. Some high-end models also support remote data transmission, fault code feedback, and remote operation and maintenance functions, facilitating users to remotely monitor and manage the operating status of the diesel generator set in real time.2.4 Strong Environmental Adaptability and Wide Application RangeOur diesel generator sets have extremely strong environmental adaptability, breaking through the environmental limitations of traditional power generation equipment, and can operate normally in various harsh and complex working conditions. The unit undergoes professional dustproof, waterproof, and anticorrosion treatment, with excellent sealing performance, which can effectively resist dust, rain, moisture, and chemical corrosion, and is suitable for outdoor open-air operation, mining field operation, and coastal high-humidity and salt-fog environments. The optimized engine cold start technology enables the diesel generator set to start smoothly at -20°C low temperature without auxiliary heating equipment, and can operate stably in high-temperature environments above 40°C, adapting to seasonal temperature changes in different regions. In terms of power range, diesel generator sets cover ultra-wide power specifications from small portable household power (5kW-50kW) to large industrial centralized power (500kW-2000kW), which can accurately match the power demand of household standby, commercial office, industrial production, engineering construction, and large-scale engineering projects. Whether it is short-term temporary power supply for mobile construction sites or long-term stable prime power supply for off-grid remote areas, the diesel generator set can deliver targeted power supply solutions, with high equipment compatibility and wide application coverage.2.5 Low Noise and Environmental Friendly OperationUpgraded modern diesel generator sets abandon the defects of high noise and high pollution of traditional equipment, and achieve low-noise and environmentally friendly operation through structural optimization and accessory upgrading. The silent-type diesel generator set is equipped with a professional fully enclosed silent canopy and multi-layer sound absorption and noise reduction structure, which can effectively isolate and absorb operating noise, reducing the operating noise to below 75dB at 1 meter, meeting the environmental noise standard of residential areas, commercial zones, and urban construction sites. At the same time, the diesel generator set is matched with an efficient tail gas purification and smoke removal device, which optimizes the fuel combustion rate to reduce carbon monoxide, particulate matter, and nitrogen oxide emissions, and all emission indicators meet international environmental protection standards. The unit adopts a shock-absorbing base design, which can effectively reduce operating vibration and secondary noise generated by vibration, making the operation more stable and quiet. The low-noise and environmental-friendly design enables the diesel generator set to be used in urban core areas, residential communities, hospitals, schools, and other noise-sensitive scenarios, without causing noise disturbance and environmental pollution, realizing green and low-carbon power generation operation.3. Core Craftsmanship & Manufacturing Process Selling Points3.1 High-precision Raw Material Screening and Pre-treatment ProcessThe quality of diesel generator sets is fundamentally determined by raw materials, and we implement strict full-standard screening and pre-treatment processes for all raw materials and core components of diesel generator sets. All engine bodies, crankshafts, piston components, and alternator cores are selected from high-strength alloy raw materials that meet international industrial standards, with strict component specification inspection and performance testing before warehousing to eliminate unqualified raw materials. For metal structural parts such as unit base frame and silent canopy, we adopt professional surface pre-treatment processes including derusting, degreasing, sandblasting, and passivation, which effectively improve the surface adhesion and corrosion resistance of materials, avoid rust and aging of equipment during long-term outdoor operation, and greatly extend the overall service life of the diesel generator set. All raw materials are classified and managed in strict accordance with production standards, with traceable quality sources, ensuring that every component of the diesel generator set has reliable basic performance.3.2 CNC Precision Machining and Integrated Forming ProcessIn the component processing stage, all key parts of the diesel generator set adopt CNC full-automatic precision machining technology, replacing traditional manual cutting and rough machining processes. CNC equipment realizes micron-level precision processing of engine cylinder bodies, transmission parts, and alternator stator and rotor components, ensuring precise matching and seamless assembly between parts, effectively reducing equipment operation friction and energy consumption, and improving the overall operating stability of the unit. The base frame and shell of the diesel generator set adopt integrated bending and welding forming technology, with optimized welding process and full welding seam inspection to avoid virtual welding and missing welding problems. The integrated forming process improves the overall structural rigidity and stability of the diesel generator set, effectively resisting structural deformation caused by long-term vibration, and ensuring the long-term stable operation of the equipment.3.3 Standardized Hierarchical Assembly and Intelligent Calibration ProcessThe assembly of diesel generator sets adopts standardized hierarchical assembly technology, dividing the whole machine into engine power system, power generation system, control system, cooling system, and fuel supply system for modular assembly, avoiding assembly errors caused by mixed processes. Each assembly process has professional process specifications and quality inspection standards, with special personnel responsible for operation and inspection layer by layer to ensure standardized and accurate assembly of each component. After the assembly of the whole machine is completed, the diesel generator set undergoes professional intelligent parameter calibration, including voltage calibration, frequency calibration, load matching calibration, and protection parameter setting. The control panel is programmed and debugged according to international grid standards, supporting 50Hz/60Hz dual frequency and 380V/480V voltage adaptation, meeting the power supply standards of different countries and regions. The intelligent calibration process ensures that the output parameters of the diesel generator set are accurate and stable, and the protection functions are sensitive and effective.3.4 Multi-dimensional Full-load Aging Test and Strict Quality InspectionBefore leaving the factory, all diesel generator sets undergo multi-dimensional full-load aging tests and strict quality inspection processes to ensure zero defective products delivered. The unit will conduct continuous full-load operation tests for 4-8 hours, simulating long-term high-load operation scenarios, detecting and eliminating potential problems such as unstable speed, abnormal noise, and excessive fuel consumption. At the same time, professional tests including low-temperature startup test, high-temperature resistance test, overload operation test, and safety protection function test are carried out to verify the environmental adaptability and safety performance of the diesel generator set. After the test is completed, professional inspectors will conduct a full inspection of the appearance, structure, electrical performance, and safety indicators of the unit, and only the diesel generator sets that fully meet the quality standards can be packaged and shipped. The strict testing and inspection process effectively guarantees the stability, durability, and reliability of each diesel generator set.3.5 Fine Surface Treatment and Anti-aging Packaging ProcessIn terms of surface craftsmanship, the diesel generator set adopts high-temperature baking paint and electrostatic spraying process, with uniform paint film, strong adhesion, and excellent anti-ultraviolet, anti-aging, and anti-corrosion performance, which can keep the equipment surface smooth and beautiful for a long time and avoid paint peeling and fading caused by long-term outdoor exposure. For vulnerable parts such as pipelines and interfaces, we adopt special reinforcement and anti-leakage processes to effectively prevent oil leakage and water leakage failures. In the final packaging link, the diesel generator set adopts multi-layer shockproof, moisture-proof, and dust-proof packaging, equipped with professional fixed brackets, avoiding equipment vibration damage and moisture erosion during long-distance transportation and long-term storage, ensuring that users receive intact and high-quality diesel generator set products.
50KVA Weichai diesel generator

50KVA Weichai diesel generator

CDW50KVA 50KVA Weichai diesel generator for telecom BTS, rural clinic, and off-grid school standby. Weichai WP2.3D48E200: 4-cyl, 2.289L, 17.5:1 CR, ≤205g/kWh. 36KW/45KVA prime; 40KW/50KVA standby; ATS 3-5s; ≤72dB(A)@7m; 1100kg single-hoist. ESN-traceable, PICC-insured warranty, 0-110% staged load test report + video with every unit.

350KVA Weichai diesel generator

350KVA Weichai diesel generator

CDW350KVA 350KVA Weichai diesel generator for port terminal cold chain reefer power supply. Weichai WP10D320E200: 6-cyl, 9.726L, 17:1 CR, HPCR, ≤197g/kWh. 250KW/312KVA prime; 280KW/350KVA standby; ATS 3-6s; ≤72dB(A)@7m; 3500kg; 8h tank; 18-month warranty. 320kW gross output — 28% reserve for reefer compressor DOL start.

80KVA Weichai diesel generator

80KVA Weichai diesel generator

CDW80KVA 80KVA Weichai diesel generator for island resort and eco-lodge off-grid prime power. Weichai WP4.1D80E200: 4-cyl, 4.088L, 17.5:1 CR, ≤205g/kWh. 64KW/80KVA prime; 70KW/88KVA standby; ATS 3-6s; ≤72dB(A)@7m; 1700kg single-truck transportable; 8h tank; 18-month warranty.

250KVA Weichai diesel generator

250KVA Weichai diesel generator

CDW250KVA 250KVA Weichai diesel generator for manufacturing plant prime and industrial standby. Weichai WP10D264E200: 6-cyl, 9.726L, 17:1 CR, HPCR ≤197g/kWh, 264kW gross (32% prime reserve). 200KW/250KVA prime; 220KW/275KVA standby; ATS 3-6s; ≤72dB(A)@7m; 3800×1400×2100mm / 2700kg; 8h tank; 18-month warranty.

88KVA Weichai diesel generator

88KVA Weichai diesel generator

The CDW88KVA is Jiuan Generator's 88KVA Weichai diesel generator for supermarket cold chain, food retail, small offices, and community clinics requiring ATS emergency standby. Weichai WP4.1D80E200: 4-cyl, 4.088L, 17.5:1 CR, ≤205g/kWh. 64KW/80KVA prime; 70KW/88KVA standby; ATS auto-start 3-6s; ≤72dB(A)@7m; 2600×1100×1600mm / 1700kg; 8h tank; 18-month warranty.

356KVA Weichai diesel generator

356KVA Weichai diesel generator

The CDW356KVA is Jiuan Generator's 356KVA Weichai diesel generator for large hotels, shopping malls, hospitals, and commercial complexes requiring 285KW ISO8528 PRP continuous prime power. Weichai WP13D490E310 HPCR engine: 6-cyl, 12.54L, ≤198g/kWh. 285KW/356KVA prime; 314KW/392KVA standby; ATS auto-start 3-7s; ≤72dB(A)@7m; 3850×1720×2200mm / 3800kg; 8h full prime tank; 18-month warranty.

1100KVA Weichai diesel generator

1100KVA Weichai diesel generator

Prime 1000kVA, standby 1100kVA silent diesel genset equipped with Weichai 12M26D968E200 V12 turbo-aftercooled engine, 50Hz 3-phase 400V, PF0.8, ISO8528 compliant. Adopts electronic fuel injection for strong power and stable performance, coupled with IP23 H-class brushless alternator. Fully enclosed soundproof canopy integrates cooling system, anti-vibration base and industrial muffler, rainproof, dustproof and low noise for continuous & backup power of large factories, mines and data centers.

44KVA SDEC diesel generator

44KVA SDEC diesel generator

CDS44KVA 44KVA SDEC diesel generator rated 32KW/40KVA prime and 35.2KW/44KVA standby, powered by certified SDEC 4ZT3.2-G11 four-cylinder engine. ISO8528-validated, ≤69dB(A) soundproof canopy, Class H all-copper alternator, DSE6120 controller. Ships fully assembled — compact small business backup power for shops, clinics and field sites.

400KVA SDEC diesel generator

400KVA SDEC diesel generator

The CDS440KVA 400KVA SDEC diesel generator by JIUAN Power delivers 290KW/363KVA prime power and 320KW/400KVA standby via the genuine SDEC SC12E480D2 six-cylinder 11.8L turbocharged engine. Paired with a Class H all-copper brushless alternator and Deepsea DSE7320 controller, this heavy-duty soundproof generator operates at ≤72dB@7m inside a 3.5mm steel enclosed noise reduction canopy with an 850L integral fuel tank. Dimensions 4300×1600×2250mm, weight 3900kg. CE and ISO8528 certified, each SDEC SC12E480D2 genset unit undergoes full graded load testing before shipment.

65KVA SDEC diesel generator

65KVA SDEC diesel generator

65kVA silent diesel genset adopts SDEC 4ZT4.1-G21 inline 4-cylinder turbo engine, 50Hz 3-phase 400V, PF0.8, ISO8528 compliant. Fuel-efficient and stable operation with IP23 brushless alternator. Compact soundproof canopy with shock absorption, rain & dust resistant for shops, residential quarters and small construction sites.

55KVA SDEC diesel generator

55KVA SDEC diesel generator

Prime 50kVA, standby 55kVA silent genset powered by SDEC 4ZT3.5-G21 inline 4-cylinder engine, 50Hz 3P 400V, PF0.8, ISO8528 compliant. Turbo design with low fuel consumption, matched with IP23 brushless alternator. Compact soundproof canopy with shock absorption, rain & dust proof, ideal for shops, residential areas and small construction sites.

220KVA SDEC diesel generator

220KVA SDEC diesel generator

The CDS220KVA is Jiuan Generator's 220KVA SDEC diesel generator built for demanding medium-scale industrial and commercial power requirements. Powered by the authentic SDEC SC8D280D2 inline six-cylinder engine with replaceable wet cylinder liner design, this 220KVA standby power supply delivers 160KW/200KVA prime and 176KW/220KVA standby output to ISO8528 PRP and ESP standards. A fully sealed soundproof canopy with 550L integrated fuel tank, H-class brushless alternator, and Deepsea DSE7320 controller make the CDS220KVA a dependable 200KVA prime power generator for factories, hospitals, commercial complexes, and off-grid mining operations.