The selection of rated power of micro electric case is a very complicated problem. When loaded, if the rated power of the micro electric casing is too large, the micro electric casing will often be in light load operation, and the capacity of the micro electric casing itself can not be fully utilized. At the same time, the low efficiency and poor performance of the micro electric casing will increase the operation cost.



If the current exceeds the rated current, the loss in the case will increase and the efficiency will be low. Moreover, the life of the shell will be affected, and the insulation performance of the insulation material will be destroyed or even burned. Of course, the rated power of the micro motor case is small, and it may not be able to drag the load at all, which will make the micro motor shell in the starting state for a long time and cause overheating damage. Therefore, the reasonable choice of power and correct maintenance of the micro electric casing is essential.



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