Frequency conversion and stepless speed regulation, thus ensuring steady speed and facilitating speed regulation.

采用变频无级调速、转速稳定、调速方便。

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This paper introduces chop feedback speed regulation technique and compares it with frequency conversion and cascade technique.

介绍了斩波内馈调速技术，以及与变频和串级技术的比较。

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Set of unit has convenient to move, a high degree of automation, iron recovery high characteristic, can be selected frequency conversion control realize stepless speed regulation.

整套机组具有移动方便、自动化程度高、铁回收率高的特点，可以选配变频控制实现无级调节。

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