Customers always ask why there is such a big difference between the brush motor and the non brush motor when purchasing the generator set. Today we will talk about the difference between the brush motor and the non brush motor of the gas generator set.
As can be seen from the name of the motor brush, it has a carbon brush. The main function of the carbon brush is to supply power outside the rotor winding through the slip ring and connect with the rotor. The disadvantage is that friction and wear often occur between the carbon brush and the slip ring, so as to protect the maintenance of the carbon brush and the slip ring. Otherwise, it will cause bad contact, power generation and power generation instability. Therefore, the characteristics of carbon brush are low cost, low skill content and outdated skills. After using for a period of time, it is easy to have a variety of generator sets not to generate electricity. The BLDCM eliminates the interference of carbon brush and slip ring, makes its voltage stable, selects AVR active voltage regulator, has excellent power quality, high reliability and relatively simple protection, which makes the BLDCM more widely used and has become the mainstream motor in the market.
The main reasons for the pump not working are as follows1. 油泵总成或换向不良;
1. Poor oil pump assembly or reversing;
2. The oil pump housing is not tight and enters the air;3.排水管系统不紧，有漏水现象;
3. The drainage system is not tight and there is water leakage;4. 吸入管路堵塞;
4. The suction pipe is blocked;
5. The packing box of oil pump is not tight;6. 滤油器堵塞或吸油止回阀故障;
6. The oil filter is blocked or the oil suction check valve is faulty;7. 油箱里的油太少了。
There is too little oil in the tank.
1. Check whether the oil pump is maintained;2. 清理、修理油滤器、吸油阀、吸油管道;
2. Clean and repair the oil filter, oil suction valve and oil suction pipe;3.消除气密性，防止漏气;
3. Eliminate air tightness and prevent air leakage;4. 通过充油排出吸入管和油泵内的空气;
4. Discharge the air in the suction pipe and oil pump through oil filling;5. 在油箱里保持一定的油量。
5. Maintain a certain amount of oil in the tank.
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