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All Journal Inovasi Pendidikan Fisika Jurnal Penelitian Pendidikan Matematika dan Sains IJORER : International Journal of Recent Educational Research Andalas Journal of Electrical and Electronic Engineering Technology Jurnal Pendidik Indonesia
PRABOWO
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Chemistry Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Languange, Linguistic, Communication & Media Mathematics Physics Social Sciences Other

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Pengembangan lembar kerja peserta didik (LKPD) berbasis inkuiri terbimbing pada materi sistem persamaan linear dua variabel (SPLDV) kelas VIII SMP Muhammadiyah Rambah Hilir Prabowo; Afri, Lusi Eka; Annajmi
Jurnal Pendidik Indonesia Vol. 4 No. 1 (2023): Jurnal Pendidik Indonesia
Publisher : Karoteh Utama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61291/jpi.v4i1.36

Abstract

This study aims to develop a Validated Guided Inquiry-based Student Worksheet (LKPD) in Mathematics, focusing on systems of linear equations with two variables. The research method employed is Research and Development (R&D), consisting of four stages: Define, Design, Develop, and Disseminate, although in this study, it only reached the development stage. The subjects of this research were eighth-grade students at SMP Muhammadiyah Rambah Hilir during the second semester of the academic year 2022/2023. The validation instrument used in this study was a validation questionnaire. The result of this research is a Guided Inquiry-based LKPD. Based on the validity test conducted by three validators with several revisions and improvements, the average validation score for the Guided Inquiry-based LKPD is 3.55, categorized as "very valid." Therefore, the Guided Inquiry-based LKPD is highly valid.
Development of OCIPSE Learning Model to Increase Students’ Scientific Creativity in Natural Science Learning Rizqi; Prabowo; Tjandra Kirana
IJORER : International Journal of Recent Educational Research Vol. 1 No. 1 (2020): April
Publisher : Faculty of Teacher Training and Education Muhammadiyah University of Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46245/ijorer.v1i1.10

Abstract

This Research & Development (R & D) has the main goal to develop and produce OCIPSE learning model. The main product of this research is the OCIPSE learning model with five phases, they are 1) Orient and organize the students for study; 2) Collaborative Investigation; 3) Presentation and discussion; 4) Strengthening of scientific creativity; and 5) Evaluate and provide recognition. The OCIPSE learning model’ quality data is obtained through an expert validation process by using the OCIPSE learning model Qualification Assessment Instrument. The OCIPSE learning model quality analysis used an average validity score, single measures ICC, and Cronbach's coefficient alpha. The result of the research shows OCIPSE learning model with average content validity (3.69), construct validity (3.69), with the validity of each aspect statistically in (rα = .92) and reliability in (α = .87). The results of this study indicate that the developed OCIPSE learning model was declared qualified by experts. The research implication is that a qualified OCIPSE learning model can be used to enhance the scientific creativity of junior high school students in natural science learning.
Design and Implementation of Solar-Powered Pumping System in IKN Nusantara Area Hebert Arthur Sigiro; Prabowo; Burhanuddin Halimi
Andalas Journal of Electrical and Electronic Engineering Technology Vol. 4 No. 2 (2024): November 2024
Publisher : Electrical Engineering Dept, Engineering Faculty, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/ajeeet.v4i2.139

Abstract

Solar-powered pumping systems are an alternative to providing a sustainable and independent water source. This system declines the dependency on fossil fuels, which generate no greenhouse gas emissions while operating. This paper presents the design, implementation, and performance testing of a solar-powered submersible water pump in Bumi Harapan and Bukit Raya Village to provide a supplementary water source for residents. To meet the daily water supply requirement of 10 m3 in two identical water towers, a 1.1 kW rated power water pump and a 2.2 kW photovoltaic system are chosen. A solar pump controller with the ability to switch power sources from photovoltaic to grid is used in the system to maintain a consistent water supply if needed. Based on performance simulations using PVSyst software, the designed systems cannot fulfill daily water requirements. However, they are expected to fill both water towers with a daily average supply of 5.78 m3 for the Bumi Harapan site and 9.23 m3 for the Bukit Raya site. These inabilities occurred because the pumps must operate with an elevation head that is more remarkable than the specifications. Performance tests using a solar power meter (SPM) and power quality analyzer (PQA) showed that the electric submersible pump (ESP) will supply water with a flow rate that depends on solar irradiance. Based on the data collection, the ESP successfully operates near its rated capacity during the peak sun hour.
Co-Authors Adi Cahyono Annajmi ARUM SARI, NOVITA AYU KHOMSATUN, MITA Bambang Sugiarto Burhanuddin Halimi CAHYO EKO SAPUTRO, VICHI HAQQO, ARINAL Hebert Arthur Sigiro Lusi Eka Afri NOVIA, SITI NURVITASARI, SITI Rizqi ROHMATIKA DEWI, REALITA Sri Dwiastuti SUYONO Tjandra Kirana WASIS