KARAKTERISTIK NARROW BIPOLAR EVENTS BADAI PETIR TROPIS DI WILAYAH SEBELAH SELATAN GARIS KHATULISTIWA

YUSDIZALI, RIO and Sidik, Muhammad Abu Bakar (2020) KARAKTERISTIK NARROW BIPOLAR EVENTS BADAI PETIR TROPIS DI WILAYAH SEBELAH SELATAN GARIS KHATULISTIWA. Undergraduate thesis, Sriwijaya University.

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Abstract

Narrow Bipolar Events is a unique type of lightning that occurs in a duration of around 20 µs. NBEs are also generally identified as IC Flash lightning flashes in the form of a single pulse. However, some studies also say NBEs can also occur in CG Flash. This study aims to observe the Characteristics of Narrow Bipolar Events from tropical thunderstorms in the South Side of the Equator Line which occurs 30 km from the recording station in Palembang, Indonesia (2˚52 '- 3˚5 LS) collected in the last week of January 2020. Recorded data are then selected based on criteria and characteristic parameters that have been determined based on previous studies. The results of this study indicate that the characteristics of NBEs in the Palembang region occur at an average duration of 20.10 µs with a rise time of 2.03 µs, Zero Crossing Time 4.83 µs, Full Witdh at Half Maximum 2.34 µs and an Overshoot / Peak Amplitude Ratio of 0, 41 for Negative polarity and an average duration of 26.28 µs with a rise time of 3.50 µs, Zero Crossing Time of 7.44 µs, Full Witdh at Half Maximum 3.21 µs and Overshoot / Peak Amplitude Ratio of 0.3730 for Positive polarity. Based on the comparison of the results of this study with previous studies the authors assume that the characteristics of NBEs are unique and differ depending on the climate and geographical location of the region.

Item Type: Thesis (Undergraduate)
Uncontrolled Keywords: Petir, NBEs, Sensor
Subjects: Q Science > QC Physics > QC501-766 Electricity and magnetism
Q Science > QC Physics > QC669-675.8 Electromagnetic theory
Q Science > QC Physics > QC701-715.4 Electric discharge
Q Science > QC Physics > QC851-999 Meteorology. Climatology. Including the earth's atmosphere
Q Science > QC Physics > QC980-999 Climatology and weather
T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK4001-4102 Applications of electric power
T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK452-454.4 Electric apparatus and materials. Electric circuits. Electric networks
Divisions: Faculty of Engineering > 20201-Electrical Engineering (S1)
Depositing User: Mr Rio Yusdizali
Date Deposited: 29 Jul 2020 01:54
Last Modified: 29 Jul 2020 01:54
URI: http://repository.unsri.ac.id/id/eprint/31517

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