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Yani Ridal
Universitas Bung Hatta
Decision Sciences, Operations Research & Management Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Studi Analisis Kemampuan Lightning Arrester Sebagai Proteksi Transformator Daya pada Gardu Induk Padang Luar ULTG Bukit Tinggi Yani Ridal
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 5 No. 2 (2022): Desember 2022
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v5i2.18024

Abstract

The substation has very important equipment, namely the transformer, so the transformer must be installed a protection device to minimize interference. These disturbances include overvoltage disturbances due to lightning surges. The protection equipment installed is a lightning arrester that functions to drain overvoltage disturbances caused by lightning strikes directly to the ground, so as not to damage the transformer. This research focuses on substation equipment, namely a tube type lightning arrester with the Siemens brand and has type 3EPG 138-2PF31-2XA1-Z which is connected to a 60 MVA Unindo brand power transformer. Good protection is obtained when the lightning arrester is placed as close as possible to the power transformer terminals. With mathematical calculations for the maximum distance of the line wire length between the lightning arrester and the power transformer is as far as 103.48 meters, while in reality in the field the distance of the line wire length between the lightning arrester and the power transformer at the Padang Luar 150 kV substation is as far as 51 meters, and for the results of the calculation of the maximum distance of the line wire length between the lightning arrester and the power breaker a value of 127.45 meters is obtained, while the distance of the line wire length between the lightning arrester and the power breaker installed at the Padang Luar 150 kV substation is 65 meters
Rancang Bangun Sistem Kontrol dan Monitoring Alat UkurBesaran Listrik Berbasis IoT (Internet of Things) Yani Ridal
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 5 No. 1 (2022): April 2022
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v5i1.18025

Abstract

All work and human needs at this time are very dependent on the presence of electrical energy, especially on household needs. Human negligence in the use of electrical energy will lead to waste which also has an impact on increasing the cost of using electrical energy. Therefore, a tool is needed that is capable of monitoring, controlling the use of electrical energy and is able to limit the current usage of the load, even though the user of electrical energy is not at home. Of course, to make this tool you need a voltage sensor, current sensor, relay, Arduino UNO Wifi, and a power supply. The voltage sensor used is ZMPT101B which functions to read the voltage value, the current sensor used is ACS712 which functions to read the current value, the relay functions to limit the current value in a way when the current sensor reads the current value at the load and then the author sets it in the program by limiting the current may enter by 10 A and if it exceeds the current limit this monitoring device will turn off, the Arduino UNO Wifi functions to process data read from the voltage and current sensors, and the WIFI module functions to send data to the Blynk Cloud server so that it can be viewed with an internet network. From the results of the control test by turning on and off the tool with a radius of 12 km. The test results were measured for 2 hours on the load of incandescent lamps, televisions, fans, laptop chargers, dispensers, irons and Rice Cookers using ZMPT101B and ACS712 resulting in a voltage measurement error of 0.93% and a current measurement error of 1.14%
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