Three-phase asynchronous motor is widely used in today's production work, but after long-term operation, there will be a variety of failures, timely judgment of the cause of the failure, the corresponding treatment, is to prevent the expansion of the fault, to ensure the normal operation of the equipment is an important work. Here is a simple understanding of the winding short-circuit fault treatment method of the following three-phase asynchronous motor with Senli Motor Xiaobian.

       Winding short circuit is a three-phase motor fault, due to the motor current is too large, the power supply voltage change is too large, single-phase operation, mechanical damage, poor manufacturing and other insulation damage, three-phase motor winding turn to turn short circuit, winding short circuit, winding electrode short circuit and winding short circuit.

       Three-phase asynchronous motorThe solution to the short-circuit fault is as follows:

       1.Short circuit point at the end. The short circuit points can be separated by insulating materials, or the insulated wires can be recoated, and then painted and dried

       2.Short circuit in the in-line slot. After softening it, find out the short circuit point repair, put it back into the trough, and then paint to dry

       3.Fewer turns for short routes1/12For each phase winding, all short routes are cut off when the number of turns in series, and the conducting part is connected to form a closed loop for urgent use

       4.The number of turns of the winding short circuit exceeds1/12When, to remove all rewind

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