Purwito Purwito
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Development of IoT-Based Lighting Installation Practicum Module Ahmad Mukhaidir Shidiq; Purwito Purwito; Ruslan Ruslan
INTEK: Jurnal Penelitian Vol 8, No 2 (2021): October 2021
Publisher : Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31963/intek.v8i2.3348

Abstract

With the advancement of technology today, there is known to be an innovation that is the internet of things where electronic devices can be monitored and controlled remotely. For this reason, the practicum module of internet of things-based lighting installation as a medium of learning for students. The workings of the tool will be made using the PZEM-004T sensor as a sensor reading the current voltage, power, and energy used and ESP-32 as an additional module on the Arduino Mega so that data reading voltage, current and power can be sent using the internet network to the smartphone. In the smartphone application, we can also control to extinguish or turn on the lights.
Audit Energi dan Analisis Peluang Penghematan Energi di PT. Daikin Air Conditioning Makassar Purwito Purwito; Tadjuddin Tadjuddin; Akbar Akbar
INTEK: Jurnal Penelitian Vol 5, No 2 (2018): October 2018
Publisher : Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (270.542 KB) | DOI: 10.31963/intek.v5i2.582

Abstract

Energy audit is an activity to identivy how muchenergy is used as well as the steps that are needed in order toconcerve energy on an energy user facility. PT. Daikin AirConditioning Makassar using air conditioning equipments thatuses electrical energy nearly 60%. This study aims to determinethe used of electrical energy and energy saving opportunities inPT. Daikin Air Conditioning Makassar. Reseacrh is started withprocessing of electrical equipment data for lighting, airconditioning and other electrical equipments data. Researchresult pointed that the used of electric energyin PT. Daiking AirConditioning Makassar is 111.3 kWh/m2 /year and still below thestandart of IKE and can be savingabout 44 kWH/month forlighting system. Recommendations are to perform load balancingeach phase, turn on the light and air condioning only whenneeded.