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All Journal Jurnal Ekonomi Journal of Finance, Economics, and Business Power Elektronik : Jurnal Orang Elektro
Alghifari, Abizar
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Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Social Sciences

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ANALISIS PENGUJIAN KUALITAS TAHANAN ISOLASI PADA TRANSFORMATOR TEGANGAN 150 KV BAY GUNUNG SARI 2 DI GARDU INDUK WARU Alghifari, Abizar; Putra, Aditya Pratama; Pratama, Andika Fadli; Sujito, Sujito
Power Elektronik : Jurnal Orang Elektro Vol 13, No 1 (2024): POWER ELEKTRONIK
Publisher : Politeknik Harapan Bersama Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30591/polektro.v13i1.6248

Abstract

Penggunaan energi listrik di Indonesia terus meningkat seiring dengan berkembangnya zaman, sehingga Perusahaan Listrik Negara (PLN) sebagai penyedia listrik negara memiliki tugas memenuhi kebutuhan energi listrik di Indonesia. Untuk itu diperlukan keandalan peralatan seperti transformator yang merupakan peralatan penting dalam sistem distribusi energi listrik. Analisis pengujian tahanan isolasi dilakukan peneliti untuk mengetahui apakah kualitas tahanan isolasi pada transformator tegangan di Gardu Induk Bay Gunung Sari 2 sudah sesuai standard VDE (catalogue 228/4). Penelitian ini dimulai dari studi literatur, dilanjutkan dengan pengumpulan data hasil pemeliharaan 2 tahunan transformator tegangan, selanjutnya melakukan pemeliharaan CVT dengan menguji tahanan isolasi pada CVT. Hasil dari pengujian kemdian di analisis data untuk pengolahan data dan dibandingkan dengan pedoman pemeliharaan CVT (SK Dir PLN). Berdasarkan hasil pengujian tahanan isolasi pada 6 pengujian di titik ukur berbeda, pada fasa R, S, dan T, nilai tahanan isolasi 1 MOhm/1kV, maka berdasarkan rekomendasi hasil tahanan isolasi shutdown testing/measurement kualitas nilai tahanan isolasi dalam kondisi bagus dan memenuhi standar.
Optimizing Household-Scale Fish Farming Wastewater Management As A Form Of Environmental Conservation In Densely Populated Areas Alghifari, Abizar; Ningsih, Ira Rahayu; Sari, Widiya Permata; Ikhsan, Muhammad Fathan Nur; Ramdhani, Syahrul; Rochiandani, Anasthasia Rizky; Nurmiati, Evy
Jurnal Ekonomi Vol. 13 No. 04 (2024): Edition October -December 2024
Publisher : SEAN Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

One of the strategies to improve the standard of living of the Bakti Jaya people is the innovative home-scale fish farming owned by Mr. Budi. Located in the middle of a populous area, the water management system in aquaculture is an important thing to consider so as not to pollute the environment. Therefore, this research aims to analyze the wastewater management of home-scale fish farming in the context of environmental conserva-tion carried out by Pak Budi's BP Farm, as well as to ex-plore the positive impacts that can be generated from waste management in densely populated areas. This research uses a qualitative descriptive method. The re-sults showed that the wastewater management system applied by BP Farm fish farming can be an alternative that utilizes traditional tools, but the system can be fur-ther maximized by applying the RAS system so that the waste water produced becomes less. In addition, the wastewater produced by BP Farm fish farming has a positive impact, that is, it can be used for liquid fertilizer which contains nutrients that are good for plants.
The Effect of Job Satisfaction and Organizational Commitment on Organizational Citizenship Behavior at PT. Swadharma Sarana Informatika Operational Head Office Alghifari, Abizar; Yaman, Bahrul
Journal of Finance, Economics and Business Vol. 3 No. 1 (2024): JFEB, May 2024
Publisher : Laboratorium Riset Ekonomi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59827/jfeb.v3i1.102

Abstract

This research aims to analyze the influence of job satisfaction and organizational commitment on organizational citizenship behavior (OCB). This research uses a quantitative approach with research subjects at PT Swadharma Sarana Informatika Operational Head Office. Determining the sample in this research used a non-probability sampling method with a convenience sampling technique using the Slovin formula to determine the number of respondents, so that only 75 employees were used as the sample for this research. Data were collected using a questionnaire which was then analyzed using multiple linear regression with the help of SPSS version 25 software. The research results showed that Job Satisfaction and Organizational Commitment had a simultaneous effect on Organizational Citizenship Behavior (OCB). Partially, Job Satisfaction influences Organizational Citizenship Behavior (OCB), Organizational Commitment influences Organizational Citizenship Behavior (OCB). And the Adjusted R2 value is 0.645 or 64.5%.
Co-Authors Bahrul Yaman Evy Nurmiati Ikhsan, Muhammad Fathan Nur Ningsih, Ira Rahayu Pratama, Andika Fadli Putra, Aditya Pratama Ramdhani, Syahrul Rochiandani, Anasthasia Rizky Sari, Widiya Permata Sujito Sujito