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为满足大功率带式输送机启动过程对电网冲击过大的问题,对变频调压作为电机软启动器的启动方式进行了研究,结果证明该方法能在保证大功率带式输送机启动转矩增加的情况下大大降低启动过程的电流,减少了启动过程对电网的冲击,具有较大的实际应用价值。
In order to meet the problem of excessive impact on the power grid during the start-up process of high-power belt conveyors, the startup method of frequency-regulated voltage regulator as the motor soft starter was studied. The results show that this method can guarantee the starting torque of high-power belt conveyors The increased current greatly reduces the startup process, reducing the startup process impact on the grid, with greater practical value.