3ABD00019999
3ABD00019999
3ABD00019999
我们的优势品牌:AB,ABB,GE,西门子,施耐德,伊顿,发那科,安川,卡特拉汉墨,博士力士乐,福克斯波罗,英维思
交流ink" target="_blank">变频器用于控制标准ink" target="_blank">感应电机的速度和转矩,而标准感应电机则是工业领域的主要设备。ABB是全球变频控制器和电机领域的市场引领者。
交流变频技术扩展了电机的转速范围——由零一直到远高于额定速度——从而使被传动过程的生产效率得到显著提高。在只需要一个较低容量的情况下,变频器通过降低电机转速来节约能源。
ink" target="_blank">主电路是给ink" target="_blank">异步电动机提供ink" target="_blank">调压调频电源的电力变换部分,变频器的主电路大体上可分为两类:电压型是将ink" target="_blank">电压源的直流变换为交流的变频器,直流回路的滤波是电容。电流型是将ink" target="_blank">电流源的直流变换为交流的变频器,其直流回路滤波是电感。它由三部分构成,将工频电源变换为ink" target="_blank">直流功率的“ink" target="_blank">整流器”,吸收在ink" target="_blank">变流器和ink" target="_blank">逆变器产生的电压脉动的“ink" target="_blank">平波回路”,以及将直流功率变换为交流功率的“逆变器“。 [4]
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