The invention relates to a drive system (100) for driving an electric motor (110). The drive system (1009) includes a drive control unit (120) and a frequency converter (130) including a speed controller (140). The drive control unit (120) is configured to: define a speed reference (210) of the electric motor (110); presetting an operating parameter of the speed controller (140) to provide a first response time of the speed controller (140) prior to starting the driving of the electric motor (110); after the speed of the electric motor (110) reaches the constant speed, adjusting at least one operating parameter of the speed controller (140) to provide a second response time of the speed controller (140), where the second response time is slower than the first response time; and readjusting at least one operating parameter of the speed controller (140) to provide a first response time before starting to decelerate from the constant speed. The invention also relates to a method for controlling a drive system (100) for driving an electric motor (110).
本发明涉及一种用于驱动电马达(110)的驱动系统(100)。驱动系统(1009)包括驱动控制单元(120)和包括速度控制器(140)的频率转换器(130)。驱动控制单元(120)被配置成:定义电马达(110)的速度参考(210);在开始电马达(110)的驱动之前,预设速度控制器(140)的操作参数,以提供速度控制器(140)的第一响应时间;在电马达(110)的速度达到恒定速度之后,调节速度控制器(140)的至少一个操作参数,以提供速度控制器(140)的第二响应时间,其中第二响应时间比第一响应时间慢;以及在开始从恒定速度减速之前,重新调节速度控制器(140)的至少一个操作参数以提供第一响应时间。本发明还涉及一种用于控制驱动电马达(110)的驱动系统(100)的方法。
Drive system and method for controlling drive system
驱动系统和用于控制驱动系统的方法
2022-08-19
Patent
Elektronische Ressource
Chinesisch
IPC: | B66B Aufzüge , ELEVATORS |
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