<p> A lightning strike could bring thousands mega-ampere of current in a blink of eyes. As a result, a failure of grounding the strike may cause serious damage to the home and industrial appliances and gadgets. Hence, a lightning protection system is essential to the current transmission system. Lighting is a natural phenomenon that is unavoidable. Hence, the study of the properties and characteristics of lightning is a must in designing lighting protection system. Every application has different criteria to be fulfilled. The type of lighting protection system is categorized based on the location and user. The different of location is a public area, transportation system, power system transmission and generation system which include renewable energy source. Each area can conclude different level of protection. This paper is assessing the possibility and probability of transient impact on all applications including, public area, power system line, and generating system. The review includes countermeasure which addressed few steps to determine the effect of lightning and countermeasure of protection.</p>
Pengenalan aplikasi berasaskan IOT kini telah menembusi sistem pendidikan terutamanya pengajian tinggi. Sistemberkonsepkan aplikasi yang dikenali sebagai mobile learning ini berpusatkan telefon pintar sebagai perantinya. Maka satu aplikasi yang dinamakan “Etech” dibangunkan khusus untuk kursus Electrical Technology bagi membantu proses pengajaran dan pembelajaran (P&P) yang lebih berkesan. Namun, untuk melihat keberkesanan aplikasi tersebut dan impaknya terhadap pelajar - pelajar politeknik, maka sebuah kajian dirangka. Kajian yang berbentuk deskriptif ini dimulakan dengan survei secara atas talian. Hasil setiap item survei dianalisa melalui nilai skor min untuk melihat tahap kesediaan serta impaknya kepada responden. Beberapa buah politeknik dijadikan sampel untuk melihat hasil adaptasi penggunaan aplikasi ini. Keputusanya, kesemua item yang dianalisa mencapai tahap yang memberansangkan iaitu berada pada kedudukan tahap yang tinggi. Hal ini menunjukkan impak yang sangat positif dalam penerapan sistem aplikasi dalam proses P&P terutamanya dalam kursus Electrical Tecnology.
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