For bus processing machine distribution transformer refueling is not scientific, transformer oil has several oil base, bus processing machine different types of oil base in principle can not be mixed, the new addition of transformer oil and the transformer box oil model may be inconsistent; Second, there is no power failure when the distribution transformer is refueled, resulting in the mixing of cold and hot oil inside the transformer, and the circulating oil flow is accelerated, and the moisture at the bottom of the transformer is taken up and circulated to the high and low voltage coil so that the insulation falls and causes a breakdown and short circuit; Third, the transformer oil is unqualified. Resonant overvoltage caused by improper reactive power compensation in order to reduce line loss and improve the utilization rate of equipment, the reactive power compensation device should be used when the distribution transformer capacity is above 100 kVA. Strictly abide by the safety operation rules of machine tools, and wear labor protection articles according to the provisions. Before starting, it is necessary to carefully check whether the motor, switch, line and grounding are normal and firm, and check that the operating parts and buttons of the equipment are stuck in the correct position to check the consistency and firmness of the upper and lower molds; Bus processing machine checks whether the positioning device is in line with the processing requirements. When the upper slide plate and each positioning axis are not in the origin state, run the back to the origin program. After the equipment is started, the empty operation is 1-2 minutes, and the skateboard moves 2-3 times with full travel. If the bus processing machine is found to have abnormal sound or fault, it should stop immediately, remove the fault and work properly.

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