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Ground : 宁波戚家山联合路 246-252 号 Address : No. 246-252 , Lianhe Road, Qijiashan , Ningbo
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The types of diesel generator sets leased by Ningbo Rixin Power Technology Co., Ltd. are:
◆ Open-type diesel generator: ordinary generator set, suitable for customers who have a power house or a full range of rainproof facilities.
Disadvantages of open-type generator set leasing: It is louder than the silent type generator set, and is not suitable for use in environmental conditions that require very low noise. It cannot be used outdoors in rainy or snowy days.
◆ Anti-speaker diesel generator: Silent unit, suitable for places with strict requirements on environmental noise, such as large concerts, exhibition halls, urban subway construction, etc. The noise is generally 75 decibels, and the ultra-quiet type is within 60 decibels.
Disadvantages of quiet generator set leasing: the unit itself is heavier than the open type unit, and the long-distance transportation cost is high. Not suitable for use in high temperature environments. Not affected by weather, can be used outdoors in rainy and snowy days.
◆ Rainproof diesel generator: suitable for customers without rainproof facilities.
◆ Diesel diesel generator for trailer power station: suitable for short-distance and often-moving equipment, such as tunnel construction, road construction, etc. There are simple rain-proof types and low-noise types. Can be used outdoors in rainy or snowy days. Disadvantages of the mobile generator set: the unit itself is heavier than the open type unit, and the long-distance transportation cost is high.
◆ Fuel tank diesel generator set: suitable for short-term or temporary rental customers.
Working principle of diesel generators
In the cylinder of the diesel generator set, the clean air filtered by the air filter is fully mixed with the high-pressure atomized diesel injected by the fuel injection nozzle. Under the squeeze of the upward piston of the diesel generator set, the volume is reduced and the temperature rises rapidly. Reach the ignition point of diesel. Diesel is ignited, the mixed gas burns violently, and the volume expands rapidly, pushing the piston downward, which is called 'work'. The cylinders of a diesel generator set work in a certain order, and the thrust acting on the piston passes through the connecting rod to become a force that pushes the crankshaft to rotate, thereby driving the crankshaft to rotate. In this way, the diesel generator has completed a working cycle.
As one cycle after another is repeated, the diesel generator set runs continuously. The control core of the diesel engine is to adjust and stabilize the speed by controlling the fuel injection pump, which is generally divided into mechanical speed regulation and electronic speed regulation. The electronic governor adopts double closed-loop control.It uses a speed sensor to detect the speed of the diesel engine, converts the detection result into a proportional electric signal, compares it with a given standard speed signal, and obtains a deviation signal. The position feedback signals are added, and the synthesized signal is used as the input signal of the actuator action. The fuel supply amount is adjusted by controlling the position of the fuel injection pump gear rod of the diesel generator set, thereby achieving the purpose of speed regulation and stable speed. At present, foreign diesel engines also reference the advanced engine's "EFI" control technology, which has excellent performance in terms of on-load characteristics, saving fuel and environmental protection emissions, and reducing noise. The active power adjustment of the generator set is the adjustment of the speed of the diesel generator.
A diesel generator is a combination of an internal combustion engine and a synchronous generator. The maximum power of the internal combustion engine is limited by the mechanical and thermal loads of the components. It is called the rated power. The rated power of the AC synchronous generator is at the rated speed. During long-term continuous operation, the rated power output is usually the matching ratio between the rated power output of the diesel unit and the rated power output of the synchronous alternator.
A diesel generator set is a type of AC power supply equipment of a self-contained power station. It is a small independent power generation device that uses an internal combustion engine as the power to drive a synchronous AC generator to generate electricity. By installing the brushless synchronous alternator coaxially with the crankshaft of the diesel engine, the rotor of the generator can be driven by the rotation of the diesel generator set. Using the principle of 'electromagnetic induction', the generator will output the induced electromotive force, which can be achieved through a closed load circuit Generate current.