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All Journal Jurnal Inovasi Teknologi Terapan
Sasha Avrilia
Politeknik Manufaktur Negeri Bangka Belitung
Agriculture, Biological Sciences & Forestry Computer Science & IT Electrical & Electronics Engineering Mechanical Engineering

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Analisis Intensitas Cahaya terhadap Voc dan Isc Panel Surya Enggar Hero Istoto; Ilham Faqih; Mura Shaki; Sasha Avrilia; Juliadi Zalukhu
Jurnal Inovasi Teknologi Terapan Vol. 4 No. 2 (2026): Jurnal Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/jitt.v4i2.447

Abstract

Due to Indonesia's year-round abundance of sunlight, solar energy is one of the renewable energy sources with substantial development potential. Photovoltaic panel output characteristics, particularly open circuit voltage (Voc) and short circuit current (Isc), are impacted by variations in solar irradiation. The purpose of this study is to examine how solar irradiation affects a 50 WP monocrystalline solar panel's Voc and Isc values. Direct measurements were made every five minutes between 10:00 and 11:30 in the morning as part of an experimental approach. Solar irradiance, open circuit voltage, and short circuit current were among the parameters that were measured. The results showed that increasing irradiance significantly affected the Isc value, while Voc tended to remain relatively stable. The highest irradiance value was 982 W/m² with a Voc value of 20.6 V and an Isc value of 3.21 A. The findings indicate that the output current of the photovoltaic panel is more sensitive to irradiance changes than the output voltage
Analisis Kompensasi Daya Reaktif terhadap Faktor Daya Motor Induksi Menggunakan Bank Kapasitor Yosar Leman; Sasha Avrilia; Surojo Surojo
Jurnal Inovasi Teknologi Terapan Vol. 4 No. 2 (2026): Jurnal Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/jitt.v4i2.467

Abstract

Induction motors are the most widely used electrical machines in industry and are classified as inductive loads that absorb significant reactive power, resulting in a low power factor. A low power factor increases line current, causes greater distribution losses, and may incur penalty charges from utility companies. This study experimentally analyzes the effect of a switchable capacitor bank on the power factor and line current of a three-phase slip-ring induction motor under three loading conditions (M = 1.6 Nm, 1.8 Nm, and 2 Nm) at a supply voltage of 380 V / 50 Hz. Eight capacitor bank switching levels ranging from 0 to 1,350 VAR were tested. The results show that the power factor improved significantly from 0.23–0.28 (no compensation) to 0.53–0.55 at the optimal level (1+2+3+4), while the line current decreased by up to 53% from 1.57–1.72 A to 0.73–0.82 A. The motor current remained unaffected by compensation, confirming that capacitive compensation only reduces reactive current on the supply side. Over-compensation was also observed when excessive capacitance was applied, causing the power factor to deteriorate. These findings confirm that proper capacitor bank sizing is critical and must match the reactive power demand at each load condition.
Co-Authors Enggar Hero Istoto Ilham Faqih Juliadi Zalukhu Mura Shaki Surojo Yosar Leman