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Agung Fitrahadi
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Renewable Energy in Bangka Belitung Island Province Wahri Sunanda; Agung Fitrahadi; Irfan Hilmy
Jurnal Inovasi Teknologi Vol 4 No 1 (2023): April
Publisher : Engineering Forum of Western Indonesian Government Universities Board (Forum Teknik, BKS-PTN Wilayah Barat) Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/jit.v4i1.5620

Abstract

Bangka Belitung Island Province, which consists of 7 regencies/cities, has the potential for new renewable energy, both solar, wind, marine and biomass. Energy management policies in the regions have been outlined in regional regulations concerning the 2019-2050 regional general energy plan. It is targeted that in 2025, the energy mix will reach 17.21% and 30.97% in 2050. This article aims to highlight the potential and challenges on development and managing the renewable energy in Bangka Belitung Island Province.
FAKTOR-FAKTOR YANG MEMPENGARUHI PROFITABILITAS PADA BANK PEMBIAYAAN RAKYAT SYARIAH SANAINI, SANAINI; CIPTA, HENDRA; FITRAHADI, AGUNG
JEBI (Jurnal Ekonomi dan Bisnis Islam) Vol 9, No 1 (2024): Januari - Juni 2024
Publisher : Universitas Islam Negeri Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/jebi.v9i1.1251

Abstract

Pelaksanaan Sistem Pencatatan, Pelaporan dan Bagi Hasil Antara Pemilik Modal dan Pengelola Usaha Perikanan: (Studi Kasus Desa Nelayan, Sungailiat) Fitrahadi, Agung
Scientia: Jurnal Hasil Penelitian Vol. 8 No. 2 (2023): Scientia
Publisher : LP2M IAIN Syaikh Abdurrahman Siddik Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32923/sci.v8i2.4675

Abstract

ABSTRACT Accounting recording and reporting are important things that must be done in a business with the aim of integrating the extent of the development and financial performance of the business. The problem that occurs in this research is the lack of recording and reporting processes carried out by fishery business owners which do not comply with accounting standards because they only record income and expenditure. The system for implementing profit sharing is also not based on mutual agreement, so this can trigger conditions in the business. This research uses qualitative descriptive research as a type of research that describes how fisheries businesses are implemented and the data needed to be able to make financial records according to applicable standards. The data source used in this research is primary data. The data collection techniques used were observation, interviews and documentation. The data analysis technique used is an interactive analysis technique with a data reduction analysis process, data presentation, and drawing conclusions or verification. The results of the research show that recording financial reports in fisheries businesses is still simple and not in accordance with standards because it only records income and expenses, but after implementing SAK EMKM in recording and reporting business finances, there are many benefits obtained by business owners. The implementation of the profit sharingsystem is also only produced by one party, where the profit sharing should be carried out based on joint decisions and agreements
Cascade Greinacher : Desain dan Simulasi Penaik Tegangan Output DC Menggunakan Modifikasi Rangkaian Cascade Agung Fitrahadi; Adi Mulyadi; Mas Ahmad Baihaqi
Journal Electric Field Vol. 1 No. 1 (2024): Journal Electric Field
Publisher : CV. Sekawan Siji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63440/jef.v1i1.15

Abstract

This paper discusses the design and simulation of the Cascade Greinacher circuit to increase the dc output voltage and current. The voltage increasing circuit using the Cockroft-Walton method has a large output voltage ripple and voltage drop. Meanwhile, half wave and full wave rectifier circuits are only capable of producing a DC output voltage and do not reach the maximum voltage value. In addition, the load resistance at each input power saturation is different and high frequencies require the addition of a capacitor circuit. Therefore, the Greinacher Doubler Circuit (GDC) rectifier is proposed with a modified diode and capacitor series arranged in nine levels in parallel. The circuit modification is used as a DC output voltage rectifier to reduce output voltage ripple. Then the circuit modification was tested by simulating the PSIM software and varying input voltages. Simulation testing uses a 220 volts voltage source, 50 Hz frequency, and component specifications for a single-phase step-down transformer 220 to 12 volts, 8 diodes (DXN, DN/DXN1, DN1/DXN2, DN2/DXN3, DN3), 8 capacitors with 4700Uf value (CXN, CN/CXN1, CN1/CXN2, CN2/CXN3, CN2), and 100 Ω resistor. simulation results which produce a voltage greater than 3 times the input voltage, namely 35.7 V and a current of 0.98 A. Even though at times 0.001 seconds and 0.0035 seconds and 0.0054 seconds the output voltage and current are constant at 4.9 volts respectively, the current is 0.03 A, current 0.08 A and current 0.013 A. The output voltage Vout, Vs and current continue to increase when it reaches 1 second.   
Co-Authors Adi Mulyadi Amiri, Abou El Kacem Hendra Cipta Irfan Hilmy ISKANDI, ISKANDI Juanda, Ekhwan Larasati, Febita Putri Mas Ahmad Baihaqi RANI RANI, RANI SANAINI, SANAINI Wahri Sunanda Yulitasari, Sella