Zulkurnain abdul malek (18 risultati)

Paperback. Condizione: New.

Condizione: New.

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Condizione: New. In English.

Paperback. Condizione: Brand New. 76 pages. 8.66x5.91x0.18 inches. In Stock.

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PAP. Condizione: New. New Book. Shipped from UK. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000.

PAP. Condizione: New. New Book. Delivered from our UK warehouse in 4 to 14 business days. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000.

Condizione: New. Print on Demand.

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Condizione: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Miveh Mohammad RezaMohammad Reza Miveh received his PhD from Universiti Teknologi Malaysia (UTM) in2017. Currently, he is a lecturer in Power Department in Islamic Azad University of Arak. Hisresearch interest includes microgrid cont.…

Kartoniert / Broschiert. Condizione: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Abdul-Malek ZulkurnainZulkurnain Abdul-Malek was born in Malaysia in 1965. He obtained his B.E. from Monash University in 1989, MSc and PhD degrees from Cardiff University in 1995 and 1999 respectively. His research interests include.…

Taschenbuch. Condizione: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - The performance of zinc oxide (ZnO) surge arresters has been considered in the present work, in particular, the effects of preconditioning on their protective level. The work involved development of laboratory experimental set-ups and theoretical modelling. The effect of single and double impulse stresses on ZnO surge arresters has been investigated using the constructed double impulse test facility which provides means of testing surge arresters with two successive 50kV, 5kA impulses of similar, and for the first time, opposite polarities. The time interval between both impulses can be as low as 10 ms. Tests on two types of 15kV rated ZnO surge arresters show that the application of double impulses of similar shape and amplitudes with the same or opposite polarities and 10 ms or longer time intervals has no significant effect on the protective performance of ZnO surge arresters. However, a characterisation of the ZnO material based on single impulse test data suggests that the V-I characteristic of the material may have a dynamic response resulting in departure from the static curve. A computer simulation of the single impulse test circuit is included.…

Kartoniert / Broschiert. Condizione: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Abdul-Malek ZulkurnainZulkurnain Abdul-Malek was born in Malaysia in 1965. He obtained his B.E. from Monash University in 1989, MSc and PhD degrees from Cardiff University in 1995 and 1999 respectively. His research interests include.…

Taschenbuch. Condizione: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - The overvoltage protection performance of zinc oxide surge arresters under fast transient conditions is investigated in this work. Double impulse tests have been conducted on 15kV rated zinc oxide surge arresters to investigate impulse preconditioning effects on the zinc oxide protective characteristics. Test results show that the application of double impulses of similar shape and amplitudes with the same or opposite polarities and 10ms or longer time intervals has no significant effect on the protective performance. Impulse voltages and currents up to 6kA were used to test pairs of parallel-connected arresters with both matched and unmatched voltage-current characteristics. The current sharing performance of both matched and unmatched arresters improves as the current increases towards the rated value. The thermal differences between columns significantly change the current balance and may jeopardise the protective performance of multicolumn devices. Asymmetrical configuration has also been proved to affect the current balance in parallel arresters. Changes in the spark gap breakdown characteristics were observed when tested with the arrester in parallel.…