Aiming at the control of the present AC contactor,owing to actuation mechanism dispersiveness and ex-ternal environment uncertainty,it is very difficult to really achieve no spring close and no arc breaking.The control tactics on its synchronizing zero breaking is studied.Aiming at AC contactor control system,an the basis of study and analysis to AC contactor zero-point detection method,set up a three-phase balanced load AC zero-point forecast model.Propose to apply the quick saturation current transforme to AC zero passage detection.According to relevant parameters to be controlled target,carry out software and hardware designs of various control modules,and set up mathematical model and carry out artificial analysis.Finally,it verifies that the design in the paper can make the in-fluence of many uncertain factors on motion time and motion process weaken.Thia makes adaptability and reliability of AC contactor achieve a great extent improvement.
关键词
交流接触器/控制策略/闭环运动/分断控制
Key words
AC contactor/control tactics/closed-loop motion/breaking control
维普
万方数据