NDLI: Characteristic of preliminary breakdown preceding negative return stroke in Malaysia

Content Provider	IEEE Xplore Digital Library
Author	Wooi, Chin-Leong Abdul-Malek, Zulkurnain Ahmad, Noor Azlinda Mokhtari, Mehrdad
Copyright Year	2015
Description	Author affiliation: Institute of High Voltage and High Current (IVAT) Faculty of Electrical Engineering, Universiti Teknologi Malaysia (UTM) Johor Bahru, Malaysia (Wooi, Chin-Leong; Abdul-Malek, Zulkurnain; Ahmad, Noor Azlinda; Mokhtari, Mehrdad)
Abstract	This paper describes a study on the characteristics of preliminary breakdown pulses (PBPs) preceding negative return strokes. Such characterization is needed due to the lack of available data, especially for negative lightning, in Malaysia. Measurements were carried out in Johor Bahru, Malaysia in October 2014 using broadband antennas and a high resolution Picoscope. It was found that 84% of the negative return strokes (RS) were preceded by PBPs. 70% of the PBPs fit the BIL model and another 30% the BL model. The arithmetic mean of the PBP-RS interval is 13.2ms, which is about four times smaller compared to a similar measurement made during April to June, 2009. The difference may probably be due to a variation in the thundercloud formation which is dependent on the monsoon period in Malaysia. Further studies are required to characterize the PBPs and their relations with the monsoon period and with geographical region.
Starting Page	112
Ending Page	115
File Size	360255
Page Count	4
File Format	PDF
e-ISBN	9781479985982
DOI	10.1109/CENCON.2015.7409523
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-10-19
Publisher Place	Malaysia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Antenna measurements Negative lightning Clouds Preliminary breakdown Lightning Monsoons Discharges (electric) Electric fields First return stroke
Content Type	Text
Resource Type	Article

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