Power consumption of PLN customers from household sector is quite large. It comes from the use of household appliances, such as refrigerators, televisions, dispensers, lights and air conditioners. The customers assume that their electricity usage is wasteful, but unfortunately it couldn’t be known in detail which household electrical appliances spend the most electricity. So that, difficult for the customers to monitor the power usage of each household electrical equipments. Regarding to this issue, this research focused on making a prototype of a household electrical power usage monitoring system. This system can be used by PLN customers of households sector to find out which household appliances use large power, so that the customers can manage the use of household appliances. In implementing that monitoring, it needs a capable wattmeter devices to measure the power usage of household electronic equipments The results of this measurement electric current, voltage, and power data measured through sensors. Those measurement data is sent to the database server system monitoring through the internet of things (IoT) device so that monitoring can be done through the system in a real time. This study produced a prototype of household electronic equipments power usage monitoring system based on IoT.
Sektor rumah tangga menyumbang persentase terbesar dari total konsumsi listrik Indonesia pada tahun 2019. Pengguna di sektor ini tidak mengetahui secara detail peralatan rumah tangga mana yang paling banyak mengkonsumsi listrik. Penelitian ini bertujuan untuk menghasilkan sistem kontrol dan monitoring peralatan listrik rumah tangga dengan paradigma internet of things. Proses pemantauan dan pengendalian dilakukan untuk mendukung beberapa perangkat rumah tangga. Pada penelitian ini metode yang digunakan untuk membuat prototype alat dengan beberapa tahapan yaitu pembuatan prototype alat, pengumpulan data, dan pembuatan aplikasi mobile. Bagian utama dari perangkat prototipe terdiri dari mikrokontroler NodeMCU, sensor PZEM004T, dan relay. Hasil pembacaan sensor berupa data arus, tegangan, dan daya listrik yang kemudian dikirim dan disimpan dalam database. Setelah itu, data listrik dapat ditampilkan pada aplikasi mobile. Selain itu, juga dapat mengontrol on/off perangkat. Hasil dari penelitian ini adalah prototype perangkat dan aplikasi mobile yang dapat mengontrol dan memonitoring listrik untuk peralatan kelistrikan di rumah. Konsumsi listrik setiap alat listrik rumah tangga dapat dipantau dalam kilowatt-hour (KWH), sehingga pengguna dapat menggunakannya untuk menilai konsumsi listrik rutin peralatan listrik rumah tangga mereka.
PLN customer power consumption from the household sector is quite large, originating from the use of household appliances, such as refrigerators, televisions, dispensers, lamps and air conditioners. When users feel that their electricity usage is wasteful, they do not know in detail which household electrical appliances consume the most electricity. At this time customers still find it difficult to monitor the power usage of every household electrical appliance. So it is not known which equipment consumes large amounts of electrical energy. For this reason, a monitoring system for household electrical power usage is needed. This system can be used by PLN household sector customers to find out which household appliances use large power, so customers can manage the use of household appliances. To do this monitoring, a wattmeter device is needed that is able to measure the power use of household electronic equipment. The results of this measurement are measured current data through the current sensor. So that monitoring can be done through the system in real time, the measurement data is sent to the monitoring system database server via the internet of things (IoT) devices. Data generated from the monitoring system can be analyzed using prediction techniques, to obtain information about the length of time the availability of electrical energy has been purchased by the customer. One algorithm that can be used to predict the use of household electrical power is the CART algorithm. This research aims to build a monitoring system for power usage for each IoT -based household appliances. This research aims to build a monitoring system for power usage for each IoT-based household appliances. The second objective of this research is to apply CART algorithm to predict the power usage of household appliances.
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