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Influence of Experience in Industrial Work Practices on Student Work Readiness Light Technology Vehicle Engineering at Indomobil Nissan Datsun East Java in 2019 Handayani, Novi; Susila, Wayan; Wailanduw, Grummy
International Journal for Educational and Vocational Studies Vol 1, No 7 (2019): November 2019
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/ijevs.v1i7.1674

Abstract

Based on BPS in 2019, the highest middle class unemployment force is for SMK graduates, which is 11.24% of the total 7 million people. Based on this, it can be seen that the purpose and function of this vocational high school is not yet well underway, because with a ratio of 51% of Vocational High Schools and 49% of the total number of students absorbed by the industrial world to SMK graduates, only 35% while high school graduates 65%. This study aims to find a correlation between industry work practice experience on work readiness research was an ex post facto study. The study population consisted of TKR students who were carrying out industrial work practices in the official workshop of Indomobil Nissan Datsun in East Java in 2019. Data collection techniques were in the form of questionnaires for industrial work experience experience variables (X₁), work interest (X₂) and self-confidence (X₃), and for the work readiness variable there are three domains, cognitive and psychomotor domains, data collection in the form of tests, and affective domain variables in the form of observation. Data analysis of this study using multiple regression and assisted using SPSS for Windows. The results of this study are expected to There is a positive correlation between apprenticeship experience on work readiness (sig. Cognitive domain value of 0.001; sig. Affective domain value of 0.031; and psychomotor domain sig value of 0.004) in TKR students who are implementing apprenticeship in Indomobil's official workshop Nissan Datsun in East Java in 2019.
Rancang Bangun Trainer Motor Starter Cutting: Racang Bangun Trainer Motor Starter Cutting adi, muhammad sasmito; Wailanduw, Grummy
Jurnal Rekayasa Mesin Vol 6 No 01 (2020): JRM. Volume 06 Nomer 01 Tahun 2020
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jrm.v6i01.37344

Abstract

Influence of Experience in Industrial Work Practices on Student Work Readiness Light Technology Vehicle Engineering at Indomobil Nissan Datsun East Java in 2019 Handayani, Novi; Susila, Wayan; Wailanduw, Grummy
International Journal for Educational and Vocational Studies Vol. 1 No. 7 (2019): November 2019
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/ijevs.v1i7.1674

Abstract

Based on BPS in 2019, the highest middle class unemployment force is for SMK graduates, which is 11.24% of the total 7 million people. Based on this, it can be seen that the purpose and function of this vocational high school is not yet well underway, because with a ratio of 51% of Vocational High Schools and 49% of the total number of students absorbed by the industrial world to SMK graduates, only 35% while high school graduates 65%. This study aims to find a correlation between industry work practice experience on work readiness research was an ex post facto study. The study population consisted of TKR students who were carrying out industrial work practices in the official workshop of Indomobil Nissan Datsun in East Java in 2019. Data collection techniques were in the form of questionnaires for industrial work experience experience variables (X‚), work interest (X‚‚) and self-confidence (X‚ƒ), and for the work readiness variable there are three domains, cognitive and psychomotor domains, data collection in the form of tests, and affective domain variables in the form of observation. Data analysis of this study using multiple regression and assisted using SPSS for Windows. The results of this study are expected to There is a positive correlation between apprenticeship experience on work readiness (sig. Cognitive domain value of 0.001; sig. Affective domain value of 0.031; and psychomotor domain sig value of 0.004) in TKR students who are implementing apprenticeship in Indomobil's official workshop Nissan Datsun in East Java in 2019.
INTEGRATION OF RENEWABLE ENERGY OF SOLAR PV AND UTILITY PLN GRID FOR THE OPTIMAL CHARGING OF ELECTRIC VEHICLES THE RESIDENTIAL SCALE Ansori, Aris; Adiwibowo, Priyo Heru; Siregar, Indra Herlamba; Wailanduw, Grummy; Anwar, Saiful
Jurnal Ilmiah Ilmu Terapan Universitas Jambi Vol. 10 No. 3 (2026): Volume 10, Nomor 3, June 2026
Publisher : LPPM Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jiituj.v10i3.56016

Abstract

This study proposes and evaluates an off-grid hybrid electric vehicle (EV) charging system that integrates a 5 kWp solar photovoltaic (PV) array, a 5.5 kW PLN grid connection, and a 12 kWh battery energy storage system controlled by an automatic transfer switch (ATS). The system is designed to maximize solar PV utilization while minimizing dependence on the PLN grid during peak demand periods, thereby reducing carbon emissions, electricity consumption, and charging costs. Experimental testing was conducted using two EV types: a Viar NX electric motorcycle (1.338 kWh battery capacity) and a Wuling Air EV Long Range electric car (26.7 kWh battery capacity). Both vehicles were charged from 30% to 100% state of charge under different operating conditions. Energy generation from the PV system, battery storage performance, and PLN grid contribution were monitored using kWh meters and data loggers. Performance evaluation considered energy production, electricity cost savings, and economic feasibility. Results indicate that the PV system generated an average of 12.38 kWh/day for EV charging. During the dry season, monthly PV generation ranged from 368.40 to 383.78 kWh, while production declined to approximately 286.75 kWh during the rainy season because of reduced solar irradiation. The battery storage and PLN grid effectively compensated for low PV output, ensuring uninterrupted charging. Solar PV supplied approximately 48.06% of the total EV charging energy demand, with charging performance strongly influenced by daytime charging schedules and favorable weather conditions. These findings confirm the technical and economic feasibility of residential-scale hybrid solar PV-based EV charging systems.