The performance of AC variable speed drive system has been improved greatly since field-oriented control is applied.
矢量控制使交流调速系统的性能产生了质的飞跃。
Individual infinite variable speed drive of each roll with AC-motors coupled to programmable frequency inverters.
电机驱动方式为交流变频无极变速驱动。
Variable AC drive with independent digital R. P. M. readout for pumps offers precise control of AC motor speed, easily to set and maintain application speed tailored to line speed.
交流变频调马达，数码式泵转速(rpm)显示功能，便于精确控制马转速，易于设定和保持与生产线速同步转速！
Variable AC drive with independent digital R. P. M. readout for pumps offers precise control of AC motor speed, easily to set and maintain application speed tailored to line speed.
交流变频调马达，数码式泵转速(rpm)显示功能，便于精确控制马转速，易于设定和保持与生产线速同步转速！
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