Quality Problem Of Shangchai Generator Sets

Because the generator set only rotates when working, the electric adjustment response speed is fast, the operation is especially stable, the generator output voltage and frequency precision is high, the fluctuation is small. When the load is suddenly reduced by 50% and 75%, the generator set runs very stably, which is better than the electrical performance index of diesel generator set.

1.The startup performance is good and the startup success rate is high.

The time from successful cold start to full load is only 30 seconds, while international regulations require that diesel generators load in 3 minutes after successful start. Gas turbine generator sets can guarantee start-up success in any ambient temperature and climate.

2. Low noise, small vibration.

Because gas turbines rotate at high speed, they have low vibration and better low-frequency noise than diesel generators.

3.the combustible gas used is a clean and cheap energy source.

Such as orange gas, methane gas, methane gas and so on. Generators that use them as fuel not only operate reliably and cheaply, but can also turn waste into treasure without producing pollution.

The noise generated during the operation of the unit brings serious noise pollution to the urban environment, affects people's normal work and life, and restricts the wide application of the gas generator set. Aiming at the noise pollution problem of gas generator set, this paper puts forward a set of rectification measures to reduce the noise of gas generator set and promote the popularization and application of gas generator set.

Sound source analysis

Gas engine noise is the main noise source of gas generator set, which can be divided into aerodynamic noise, combustion noise, mechanical noise, exhaust noise and vibration noise. Aerodynamic noise mainly includes the air vibration noise generated by intake, exhaust and fan rotation, which is directly transmitted to the air. The pressure vibration formed by combustion in the cylinder passes through the cylinder head, and the noise radiated by the engine body is called combustion noise. The impact of piston on cylinder liner and the impact vibration noise produced by moving parts such as valve mechanism and injection system are called mechanical noise. When the unit is working, the exhaust gas rushes out of the exhaust valve at high speed, enters the muffler along the exhaust manifold, and finally is discharged into the atmosphere from the tail pipe. Exhaust noise is the most important noise of the engine, usually about 15 dB(A) higher than the engine main engine, followed by combustion noise, mechanical noise, fan noise and intake noise.

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Guangxi Dingbo Power Equipment Manufacturing Co., Ltd. established in 2006, is an manufacturer of diesel generator in China, which integrates design, supply, commissioning and maintenance of diesel generator set. Product covers Cummins, Perkins, Volvo, Yuchai, Shangchai, Deutz, Ricardo, MTU, Weichai etc. with power range 20kw-3000kw, and become their OEM factory and technology center.