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All Journal Jurnal Elementer (Elektro dan Mesin Terapan) Proceeding Applied Business and Engineering Conference
Noptin Harpawi
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Journal : Proceeding Applied Business and Engineering Conference

 1 
PERANCANGAN MAGNETIC NEAR FIELD PROBE MURAH MENGGUNAKAN PCB FR-4 DUA LAPIS Novemi Srihartini Almus; Noptin Harpawi
ABEC Indonesia Vol. 9 (2021): 9th Applied Business and Engineering Conference
Publisher : Politeknik Caltex Riau

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Abstract

The high density of circuit integration results in complex electromagnetic interference (EMI). measurement mapping Near-field is an effective method for locating radiation sources, redesigning circuits, and improving the EMC performance of electronic systems. Therefore, the probe is a key component inmeasurements near-field. The near-field probe is anprobe appropriatefor this measurement because it is capable of measuring radio frequency (RF) magnetic field levels from small sources. In this research,is designed and implemented magnetic The near-field probe is made from a two-layer FR-4 PCB with a relative permittivity value of 4.6 and a thickness of 1.6 mm. FR-4 PCB material was chosen because it is cheaper so it can save development costs. The probe can be used in range thefrequency 10 KHz to 1 GHz. The probe is designed based on a loop with atransmission microstripline. Thereturn loss minimumis -23.17 dB at a frequency of 935 MHz with a VSWR of 1.149. To measure the power level using the DUT EM Demo Board with a measurement distance of 1 cm to 6 cm. The greater the measurement distance, the smaller the power level value and vice versa.
RANCANG BANGUN REFLECTOR PARABOLIC PADA SOLAR PANEL UNTUK MENINGKATKAN HASIL PANEN ENERGI LISTRIK Noptin Harpawi; Basel Friadi
ABEC Indonesia Vol. 11 (2023): 11th Applied Business and Engineering Conference
Publisher : Politeknik Negeri Bengkalis

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The sunlight received by solar panel is not fully maximized because the sun's movement is not always above the panel. This causes the electrical energy generated is not optimal. Therefore, it is necessary to apply a method using a reflector mirror to increase the yield of electrical energy that comes from sunlight. The parabolic method is used in this research, with the reflector mirror attached to the parabolic frame and a concave mirror serving as the focal point. In its application, incoming sunlight will hit a reflector mirror, which then reflects light to a concave mirror, which serves as the focal point. So that sunlight will be focused on the solar panel, which results in the light from the sun being optimized. The measured voltage and current values will be stored in a data logger using a microSD module. Based on the results of the research, the power generated by solar panels with parabolic reflector is 10.5% greater than that generated by solar panel with flat mirror reflector and 31.23% greater than that generated by solar panel without reflector.   Keywords: Sunlight,Solar Panel,Data Logger,Reflector, Electrical Energy
Co-Authors Basel Friadi Cyntia Widiasari Mochamad Susantok Novemi Srihartini Almus Tara Hidayat Wahyuni Khabzli Wiwin Styorini Yogi Syaputra Yuli Triyani Yuli Triyani