Abstract
A multi-body dynamics simulation model of CJ20-25 AC contactor was established with Pro/E �ƒ Pro/Engineer)in this paper. A coupling simulation with machine, electric, magnetic on the contactor has been achieved in this model. Dynamic parameters which were called use the secondary development technology of ADAMS. The dynamic contact pressure signal of an AC contactor was obtained with ADAMS's own simultane- ous solution such as electromagnetic suction, kinematics and dynamics equations. The simulation results and actual measurement of contactor contact pressure signals are very similar. However, the complexity of the meas- ured contacts vibration is greater than the simulation results because the actual working condition is more com- plex. This result provides a theoretical foundation to the dynamic contacts contact pressure test.
Highlights
In recent years, the virtual prototype technology is widely applied in the field of low voltage apparatus modern design
The dynamic contact pressure signal of an AC contactor was obtained with ADAMS's own simultaneous solution such as electromagnetic suction, kinematics and dynamics equations
This paper can compare the simulation results with the measured results to study the relationship of the contactor contact bounce and the contact pressure
Summary
The virtual prototype technology is widely applied in the field of low voltage apparatus modern design. Compared with traditional methods of physical prototype, the virtual prototype technology greatly shortens the product development cycle, reduces the product cost in creating design, test and evaluation. Though the contact bounce phenomenon was studied theoretically when the contactor closed, the error of this calculation method is great [2,3,4]. A multi-body dynamics simulation model of AC contactor CJ20-25 was established with Pro/EPro/Engineer). The dynamic contact pressure signal of an AC contactor was obtained with ADAMS's own simultaneous solution such as electromagnetic suction, kinematics and dynamics equations. This paper can compare the simulation results with the measured results to study the relationship of the contactor contact bounce and the contact pressure
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