SDEC automatic constant pressure system 35KW cold start diesel generator set

⚙️ I. Core Performance Parameters
Rated power: 30kW continuous output power, 35kW standby power (overload capacity), suitable for short-time high load scenarios.

Efficient fuel economy: full load fuel consumption of 7.11L/h, lower fuel consumption in the same class of products.

Electrical output characteristics: output voltage 400/230V (three-phase four-wire system), frequency 50Hz, output current 54A, power factor 0.8 (lagging), voltage fluctuation rate ≤ ± 0.5%, to meet the high requirements of industrial equipment for voltage stability.

The following is an overview of the main technical parameters of the generator:

Parameter category Technical parameters Value
Rated power Continuous output power 30kW
Standby power 35kW
Electrical characteristics Output voltage 400/230V
Output current 54A
Power factor 0.8 (lagging)
Voltage fluctuation rate ≤±0.5%
Fuel consumption Full load fuel consumption 7.11L/h
Physical characteristics Overall dimensions 1600×630×1100mm
Weight 680kg
Noise level (at 7 metres) 96dB (open type) or 65-68dB (silent model)
🔧 Second, engine technical characteristics
Structural design

In-line four-cylinder, four-stroke water-cooled supercharged diesel engine, cylinder bore × stroke of 98 × 105mm, displacement 3.2L, wet cylinder liner design to enhance heat dissipation and durability.

Integral crankshaft + gantry body + short piston combination, compact structure and easy maintenance, interchangeable with the old 135 series diesel engine parts, reducing maintenance costs.

Combustion and emission optimisation

Reduced-port combustion chamber + high-pressure direct injection (injection advance angle 14-17°), high combustion efficiency, emissions in line with the second national standard (JB8891-1999).

Equipped with exhaust gas turbocharger (J98/J114b type), the power attenuation is <3% in the plateau area at an altitude of 5,000 metres, adapting to high-altitude operation.

Adapt to harsh environment

Three-stage cyclone air filter (German paper filter element) with low-temperature infiltration ceramic piston ring effectively prevents early wear in sandy and dusty environment.

High-vacuum exhaust priming device enhances intake efficiency, suitable for high dust scenarios such as deserts and mining areas.

🔌 Third, generator technical characteristics
Motor configuration: matched with Marathon Stamford brushless generator (model ZD-30-4), pure copper winding, H-class insulation (high temperature resistance 180 ℃), protection level IP23, dust and moisture resistance.

Voltage control: AVR (Automatic Voltage Regulator), steady state voltage adjustment rate ≤ ±0.5%, transient fluctuation range +20% to -15%, to ensure the voltage stability during sudden load increase/decrease.

Silent design (optional): ‘Danyou model’ sheet metal cover can reduce the noise to 65-68dB (standard open noise 96dB), built-in 100A dual power switch, suitable for noise-sensitive urban or medical environments.

🏗️ IV. Application Scene Characteristics
Flood control/emergency power supply: selected as a special equipment for flood control (such as the flood control project in Jiamusi, Heilongjiang), the supplier is required to provide 5-year free maintenance + flood control period throughout the technicians on duty, highlighting its high reliability.

Industrial and commercial scenarios: applicable to hospitals, data centres, shopping malls and other scenes requiring uninterrupted power supply, 24V electric start system to ensure rapid response.

🛠️ V. Maintenance and after-sales service
Low-maintenance design: the oil capacity is 10L (model WD/40) and the coolant capacity is 3.2L, which prolongs the maintenance cycle; the lubrication system adopts the pressure splash type, which reduces the risk of leakage of pipelines.

Global service network: Shangchai has set up after-sales centres in many places, providing 5-year warranty + 12-hour fault response, and supporting technical adaptation for special environments such as plateau and high-cold.

💎 Summary
The core advantages of the 4Z3.2-G11 lie in the strong adaptability to plateau, low fuel consumption and high stability, combined with modular design (e.g. universal 135 series parts) to reduce the whole life cycle cost. Its quiet model further expands urban application scenarios, while its durability in harsh environments (e.g. flood control, mining) validates engineering reliability. This model is a cost-effective choice for scenarios that require long hours of operation or emergency protection.