According to the special requires of bridge crane, it adopts the vector control theory, has functions of regulating speed smoothly, energy feed back, sequence brake etc.
本文介绍了一个控制桥式起重机的变频调速系统，它根据桥吊的特殊性能要求，采用矢量控制方式，具备平滑调速、能量回馈、顺序制动等功能。
It states the application and the theory of the energy consumption brake in the Rotary Table control system, analyses the course of motor start and brake.
系统地讨论了能耗制动原理及在转盘控制系统中的应用，对系统的起动过程和制动过程作了全面分析，方便地实现了钻机转盘电动机的四象限工作特性。
This product can be customized to special needs of customers and applicable to simultion load test, equipment dischaege, automated control and invertes energy loss brake.
本品可按照客户的要求定制。 本品适用于模拟负荷实验，设备放电，自动控制，变频器能耗制动等。
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