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Jurnal Edukasi Elektro
Published by Universitas Negeri Yogyakarta
ISSN : 25488252     EISSN : 25488260     DOI : -
Core Subject : Education, Engineering,
Control & Systems Engineering Education Electrical & Electronics Engineering Industrial & Manufacturing Engineering
Edukasi Elektro is a open access peer reviewed research journal that is published by Electrical Engineering Education Department - Faculty of Engineering - Yogyakarta State University. Edukasi Elektro is providing a platform for the researchers, academicians, professional, practitioners and students to impart and share knowledge in the form of high quality empirical and theoretical research papers, case studies, literature reviews and book reviews on education.
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Articles 125 Documents
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Measurement Model of Technopreneurship Intentions and the Performance of Electrical Lighting Installation Practices in Vocational High School Amelia Fauziah Husna; Herminarto Sofyan
Jurnal Edukasi Elektro Vol 7, No 1 (2023): Jurnal Edukasi Elektro, Volume 7, Nomor 1, 2023
Publisher : JPTE FT UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jee.v7i1.61369

Abstract

The aims of this study are to produce measurement model of the intention of technopreneurship and the performance of the practice of electric lighting installations. Analysis of the data used is confirmatory factor analysis. Confirmatory Factor Analysis has several stages to determine the results. These stages include determining goodness of fit, calculating path estimation, calculating loading factor, Average Variance Extracted (AVE), and calculating reliability using Construct Reliability (CR). Goodness of fit is determined by looking for the Goodness-of-Fit Index (GFI), Norm Fit Index (NFI), Comparative Fit Index (CFI), or Root-Mean-Square Error of Approximation (RMSEA). CFI, RMSEA, loading factor, and tcount values met the suitability index criteria. These results indicate that the model for measuring technopreneurship intention variables and the performance of electrical lighting installation practices theoretically matches the field data, so that the measurement model is acceptable.
The Effect of Luminous Intensity, Humidity, and Temperature on The Output Voltage of Solar Panels Eko Swi Damarwan; Muhammad Luthfi Hakim; Alex Sandria Jaya Wardhana; Pramudita Budiastuti
Jurnal Edukasi Elektro Vol 7, No 1 (2023): Jurnal Edukasi Elektro, Volume 7, Nomor 1, 2023
Publisher : JPTE FT UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jee.v7i1.60179

Abstract

Solar Power Plant is a power plant by utilizing sunlight. In this study, the focus is on the use of off-grid solar power systems. The purpose of this study is to determine the effect of luminous intensity, humidity, and temperature on the output voltage of a solar power plant. The research method used is experimental. The maximum output voltage of the solar panel is 19.2 V obtained at 01.00 pm. During these conditions, the luminous intensity value is 121000 lux at an air humidity of 52.4% with a temperature of 40.50C. The results showed that (1) the greater the luminous intensity, the greater the output voltage of the solar panel. (2) If the greater the humidity, the smaller the output voltage of the solar panel. (3) If the greater the temperature, the greater the output voltage of the solar panel.
Characteristics of LiFePo4 and Li-Ion Batteries during the Process of Charging and Discharging for Recommendation Solar Power Energy Storage Khairunnisa Khairunnisa; Siti Mita Mafturoh
Jurnal Edukasi Elektro Vol 7, No 1 (2023): Jurnal Edukasi Elektro, Volume 7, Nomor 1, 2023
Publisher : JPTE FT UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jee.v7i1.61654

Abstract

One of the advantages of using electric vehicle batteries to store electrical energy is an appropriate technology that supports zero emission. Hence, this research tries to compare based on each type of Lithium to be seen in terms of capacity and total energy obtained during charging and discharging conditions. The results of the comparison of the characteristics of the two batteries show that Lithium Iron Phosphate batteries have better quality. Based on the results of testing the conditions when charging from both of them, it was found that the capacity of the LiFePo4 battery was 22.93Ah while the Li-Ion was 2.65 Ah. for a total LiFePo4 energy of 79.84 Wh and Li-Ion of 10.28 Wh. Meanwhile, when testing the Discharging conditions, the LiFePo4 battery capacity based on the test results was 22.76 Ah and Li-Ion 2.60 Ah. Meanwhile, the measured total energy from LiFePo4 is 69.45 Wh, and Li-Ion is 9.44 Wh. Hence, if viewed from the advantages and disadvantages, Lithium Iron Phosphate batteries are suitable for accumulators or electric car batteries and energy storage for solar power plants
The Feasibility of the Smart Building Training Kit as Learning Media for Electrical Lighting Installation Practices in Vocational High Schools Sukir Sukir; Rustam Asnawi; Djoko Laras Budiyo Taruno; Naufal Muhammad Hanif
Jurnal Edukasi Elektro Vol 7, No 1 (2023): Jurnal Edukasi Elektro, Volume 7, Nomor 1, 2023
Publisher : JPTE FT UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jee.v7i1.60894

Abstract

The purposes of this study are: (1) to produce smart building training kit products, and (2) to find out the feasibility of the smart building trainer kit as a learning medium for Electrical Lighting Installation Practices in Vocational High Schools (VHS). This research employed the research and development (R D) with the ADDIE model based on Branch (Analyze, Design, Develop, Implement, and Evaluate). The techniques to collect the data included interviews, observations, and questionnaires. The data obtained were analyzed descriptively. The research results show that (1) smart building trainer kit has been produced as a learning tool for Electric Lighting Installation Practices at VHSs with the dimensions of 96 cm in length, 67 cm in height, 25 cm in width at the bottom, and 13 cm at the top; and (2) the developed product was declared very feasible by material experts (95.83%), very feasible by media experts (89.06%), and appropriate by VHS students (80.8%).
Identification of Energy Saving Potential Through Energy Audit at PT. ABC Alex Sandria Jaya Wardhana; Eko Swi Damarwan
Jurnal Edukasi Elektro Vol 7, No 1 (2023): Jurnal Edukasi Elektro, Volume 7, Nomor 1, 2023
Publisher : JPTE FT UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jee.v7i1.61657

Abstract

Increasing energy efficiency is one of the most important functions for reducing energy costs as well as production costs. One way to reduce the use of electrical energy consumption is by saving energy. This study aims to determine how much energy savings at PT ABC through an energy audit. An energy audit is carried out with two main activities, namely identifying the profile of patterns of electricity use and analysis of power quality. The results of the analysis are then expected to be the basis for knowing the potential for energy savings and energy conservation in the industry. The method used in this study begins with field observations, measurements of electrical systems, and measurements of production machines and production support equipment. Based on some data, both primary data and secondary data, an analysis is carried out through calculations to determine potential energy-saving opportunities. The main energy source used at PT. ABC is from PLN with 1 subscription to a 3-phase system with an installed power of 197 kVA. Energy use or consumption for a year is 804,279.97 kWh. Opportunities for energy savings through energy audits that have been carried out are expected to have an impact on the company, namely energy cost savings of IDR 137,344,162 per year
Quiz Bell Design using NodeMCU ESP8266 for Quiz Contest at IAIN Pontianak Havizul Havizul; Zulkarnain Zulkarnain
Jurnal Edukasi Elektro Vol 7, No 1 (2023): Jurnal Edukasi Elektro, Volume 7, Nomor 1, 2023
Publisher : JPTE FT UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jee.v7i1.59287

Abstract

Quiz Buzzer is one of important elements in a quizz contest. In Tadris Matematika Study Program’s Birthday event, one of contest held is quiz contest for High School Student in Kalbar Province. Hereby, author is going to design the buzzer circuit which is able to be used in that quiz contest. This circuit was build by some components, namely push button, buzzer, indicating light, transistor switching circuit for driving the buzzer and indicating light, and a NodeMCU ESP8266 as the system controller. Design of hardware was conducted by referring to literature studies, basic theory, and datasheet. Testing of developed codes was conducted over the Quiz Buzzer Protoyping that is assembled on the breadboard. Testing results showed that the quiz buzzer circuit working properly as needed and the design of 3 teams quiz buzzer.
Development of an Industrial Electrical Installation Training Unit Nurhening Yuniarti; Djoko Laras Budiyo Taruno; Muhamad Ali; Toto Sukisno; Muhfizaturrahmah Muhfizaturrahmah
Jurnal Edukasi Elektro Vol 7, No 2 (2023): Jurnal Edukasi Elektro, Volume 7, Nomor 2, 2023
Publisher : JPTE FT UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jee.v7i2.60431

Abstract

The purpose of this study is to obtain a modular unit for training and instruction in industrial electrical installations as a suitable learning media. This study uses research and development (RD) with ADDIE model, which consists of five phases: analysis, design, development, implementation, and evaluation. The research subject is Diploma 4 student in Department of Electrical Engineering Education, Faculty of Engineering, Universitas Negeri Yogyakarta. The research result as follows. (1) Manufacture of industrial electrical equipment training module products. (2) Application program feasibility for material-related assessment includes content aspects, learning aspects, and efficiency aspects. All aspects of the substantive feasibility study were rated as highly feasible with a score of 94.5 points. Application program feasibility for media professional evaluation includes visual, hardware, usability, and portability aspects. It has an average score of 109.5 on all aspects of the media feasibility test and is categorized as highly feasible. (3) Student user reactions, including learning, visual, hardware, usability, and portability. All aspects of student user response were rated as very good with an average score of 107.1.
Electricity and Lighting Audits at The Bono Pekanbaru Hotel Muhammad Fiqri Ramadhan; Zulfatri Aini
Jurnal Edukasi Elektro Vol 7, No 2 (2023): Jurnal Edukasi Elektro, Volume 7, Nomor 2, 2023
Publisher : JPTE FT UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jee.v7i2.62785

Abstract

Electrical energy is one of the primary sources of energy support in our lives, which is very important in the operation of the hospitality industry, especially in using electronic equipment and air conditioning lighting. Many devices that require electrical energy to operate make energy consumption increase. Therefore, efforts to prevent waste of electricity use need to be made through energy audits as well as energy savings opportunities by performing calculations of Energy Consumption Intensity (ECI) values based on historical data of electrical consumption and performing measurements of light intensity on the lighting system available at The Bono Pekanbaru Hotel. Some rooms still exceed the set ECI value, which can be categorized as wasteful energy. It is necessary to do so energy-saving opportunities while on the lighting system based on the measurement of the light intensity carried out in each room, many rooms that do not meet the lighting standards and the basis of the visual still experience evaporation. This requires an energy audit and a lighting audit. On the important lighting system made, upgrade technology with the change of type and power of lighting on lighting will create energy savings in the use of electricity at the Hotel the Bono Pekanbaru and create a bright and comfortable room. Change the currently installed lights into LED lights so that the lighting system available in each room meets the SNI lighting standard 03-6197-2000.
ANALYSIS OF THE RELIABILITY OF ELECTRICAL DISTRIBUTION SYSTEMS USING THE TECHNICAL SECTION METHOD AND RNEA REPEAT GIBP-MESIR Rahmat Aprialdi; Zulfatri Aini
Jurnal Edukasi Elektro Vol 7, No 2 (2023): Jurnal Edukasi Elektro, Volume 7, Nomor 2, 2023
Publisher : JPTE FT UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jee.v7i2.63118

Abstract

The electricity distribution system can be said to be reliable if the process of delivering electricity to the customer does not experience significant interruptions. In the PT. PLN (Persero) ULP Duri found a variety of disturbances in one year. The resulting impact is, energy that is not channeled during the occurrence of disruption, thus making the reliability value on the electricity distribution system unreliable. The study aims to analyze the reliability of the system on the GIBP-MESIR repeat, using the Techniqeu Section Method and RNEA Method, as well as calculate the economic losses over a year. System reliability index results using Section Technique Method SAIFI 1,258 times/customer/year, SAIDI 5,324 hours/customer/year and CAIDI 4,232 hours/customer/year. The RNEA method SAIFI 1,844 times/customer/year, SAIDI 7,819 hours/customer/year, and CAIDI 4,239 hours/customer/year. For both methods the SAIFI, SAIDI, and CAIDI values are below SPLN 88-2 1986, then it can be said to be reliable. Economic fulfillment of Section Technique Method with ENS value 59.194.677,96kWh, AENS 3.453,39 kWh/customer, and Rp 85.518.551.248. RNEA method values ENS 86.933.685,93 kWh, AENS 5.071,681 kWh/customer, and Rp. 125.593.096.063 for one year.
New site Power Transmitter Analysis of 4G LTE FDD 1800 MHz Using Cell Splitting Method Afrizal - Yuhanef; Sri Yusnita; Rifki Wafi
Jurnal Edukasi Elektro Vol 7, No 2 (2023): Jurnal Edukasi Elektro, Volume 7, Nomor 2, 2023
Publisher : JPTE FT UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jee.v7i2.64246

Abstract

The advancement of cellular telecommunications is growing day by day. Some theories, including 4G LTE FDD 1800 MHz, are becoming irrelevant to the current technology. The theory of power reduction by the cell splitting method is unsuitable for the actual condi-tions in the field. Theoretically, the cell splitting method is carried out on a new site with half of the main site's coverage, in which the transmitter power at the split site is reduced by 12 dB from the main site. This results in the power generated from the calculation be-ing small so that service coverage is limited. This study aimed to test the theory of trans-mitter power reduction in the cell splitting method (scenario 1) and compare it with other power reduction scenarios (Scenario 1: reduced by 15 dB, and Scenario 2: reduced by half from the main site power). The analysis is done by conducting simulations using Atoll RF Planning software. The study results revealed that in Scenario 3, the value of Key Perfor-mance Indicators is better than in other scenarios. The average throughput is 11045 kbps, the RSRP value is -108.58dBm, the range is 1.045 Km, and the average SINR is reduced to 8.52 dB. In addition, the data revealed that the coverage and signal quality of the site cell splitting is better when the transmitter power is 43 dBm (scenario 3). In conclusion, a site with higher transmitter power tends to have better signal strength, quality, and speed, as well as a wider coverage area. Reducing the transmitter cell splitting power will be more effective by reducing the new power site to half of the main site.

Page 12 of 13 | Total Record : 125

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