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Electromagnetic relay dynamic characteristics comprehensive test system

  • 2013-11-06
  • 413.54KB
  • Points it Requires : 2

                                                                                                                                                                                                    The laser reflection method is used to image the armature on a high-speed linear array CCD. By processing the CCD digital image signal, the action characteristics of the electromagnetic relay armature are obtained. The contact voltage and coil current are monitored synchronously. While obtaining the corresponding time parameters and electrical characteristic parameters, a testing method is provided for analyzing the armature displacement characteristics, contact status and coil current at the same time coordinate.                                                                   

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