Wednesday, 14 June 2017

The Energy and Mass of Ag/C and Cu in Protection devices





The Energy and Mass of Ag/C and Cu in Protection devices


The Ag/C step contact material shows the maximum electron energy less than the Cu Punch contact material. However, there is only one chemical element, O II appears in both Ag/C step and Cu Punch contact material. Both contact Material Ag/C step and Cu punch have the same lowest energy at the wavelength 821 nm for chemical elements N I, O I and O II.
The Mass of the chemical elements Ag I and Cu II is higher than other chemical elements about 4 times in the Ag/C step contact material. The maximum Mass when using the Cu Punch contact material is the chemical element Cu II at the wavelength 776 nm. This confirms that the chemical element Ag I and Cu II come from the contact material. Both the Ag/C step contact material  and Cu Punch contact material show the minimum Mass is the chemical element H. The average Mass of Ag/C contact material is 0.026g higher than Cu Punch contact material.
The highest temperature rise of Ag/C step contact material belongs to chemical element N III at the wavelength 500 nm. The maximum temperature rise for the Cu punch contact material is the chemical elements NII at the wavelength 428 nm.  The maximum temperature rise for the Cu punch contact material is higher than the Ag/C step contact material. Both Ag/C step contact material and Cu Punch contact material have the same minimum temperature rise and the same chemical element Cu II, at the wavelength 776 nm. The average temperature rise for the Ag/C contact material is lower than the Cu Punch contact material about 0.25x10-33 K. 




Reference:  Arc Control in Circuit Breakers: Low Contact Velocity Paperback – January 1, 2017 by Dr Kesorn Pechrach PhD (Author)

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