Youcef Kemari

4 Questions 22 Answers 0 Followers

Questions related from Youcef Kemari

What is the effect of applied high voltage distortion on insulation materials?

Insulation materials have strong capacitive behavior. What is the effect of applied high voltage distortions (due to odd order harmonics) on the current signal in insulation materials, such as...

12 February 2017 7,831 5 View

How the three modes of dielectric relaxation are linked to the degradation of insulation materials ?

How Alpha, Beta and Gamma modes of the dielectric relaxation process are linked to the aging degree of insulation materials used in power cables such as XLPE and PVC ? and how these relaxation...

05 November 2016 1,707 4 View

What methods that can be used for lifetime estimation of insulation materials ?

After studying the effect of accelerated thermal aging on the electrical as well as the mechanichal characteristics of insulation materials used in medium and high voltage cables (XLPE and PVC),...

04 November 2016 9,289 3 View

Quantify color changing of polymer due to aging process?

I need your suggestions. Is there any way to quantify color changing (ex: degree of brightness) of polymers after being aged ? (The attached image for example) Thank you.

01 January 1970 7,668 7 View