Computer Application For Investigating The Dynamic Characteristics Of AC Electromagnetic Contactors

Wirda , Abdul Wadus (2005) Computer Application For Investigating The Dynamic Characteristics Of AC Electromagnetic Contactors. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

An original computer-controlled measurement system for investigating the dynamic characteristics of Ac electromagnetic contactor is present in this paper. The system was use to examine simultaneously dependencies of time related electromagnet coil current, electromagnet coil voltage, electric power supplied to electromagnet coil, voltage across contacts, acceleration, speed, path and kinetic energy of contactor moving element. Additional software allows diagrams of the following parameters to obtain maximum acceleration, maximum speed, and kinetic energy of contactor moving element, electric energy supplied to electromagnet coil and times typical of alternating current drive for selected values of the coil supply voltages. Results of the investigation enable also to take a view on such parameters of the design equipment as, for example, making time or rebounds of the contactor contacts. The system is very useful to verify the results of investigation of computer simulated contactor closing.

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