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All Journal INVOTEK: Jurnal Inovasi Vokasional dan Teknologi Matrix : Jurnal Manajemen Teknologi dan Informatika PETRA : Jurnal Teknologi Pendingin dan Tata Udara Logic : Jurnal Rancang Bangun dan Teknologi Bhakti Persada Jurnal Aplikasi IPTEKS Madaniya BHAKTI PERSADA Jurnal Aplikasi IPTEKS (Journal of Applied Sciences and Technology) Logic : Jurnal Rancang Bangun Dan Teknologi Jurnal Polimesin
I Dewa Made Cipta Santosa
Politeknik Negeri Bali
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Real-time thermodynamic monitoring of split inverter ACs: amicrocontroller-driven investigation of performance I Gede Artha Negara; Adi Winarta; Putu Wijaya Sunu; I Dewa Made Cipta Santosa; I Nyoman Suamir; I Gusti Agung Bagus Wirajati; I Dewa Gede Agus Tri Putra
Jurnal Polimesin Vol 22, No 2 (2024): April
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v22i2.4178

Abstract

Recent technological advancements, particularly in air conditioning cooling systems, have led to rapid developments such as inverter technology. Inverter technology provides various advantages including energy savings compared to non-inverter air conditioners. Globally, the inverter modulates the compressor to continue operation despite reaching the set temperature. This study aimed to monitor the performance of split inverter air conditioners utilizing microcontroller technology. The microcontroller model employed was the ATmega2560, capable of logging each test parameter and displaying in real-time. Additionally, the ATmega2560 integrated sensors including the DS18B20 temperature sensor and PZEM 004-T multifunction electrical sensor. Monitoring occurred over one hour of operation on a 8525 Btu/h capacity split inverter AC. Experimental monitoring results showed the lowest Tsupply at T1 compared to other temperatures, reaching 8°C. At Treturn, both T1 and T2 exhibited identical decreasing trends to 25.5°C around 3000 s. The minimum power variation occurred at P5 relative to other variations. The average power consumption of the split inverter AC was approximately 750 W. The minimum energy consumption observed was at E5 during the study, while the maximum was at E1 with peak energy consumption of 0.96 kWh. Microcontroller-based experimental monitoring can provide real-time results and shows promise for monitoring split inverter AC performance.
Experimental Study of Cooling Performance and Electrical Parameters in a Microcontroller-Driven Inverter AC System Negara, I Gede Artha; Anakottapary, Daud Simon; Midiani, Luh Putu Ike; Temaja, I Wayan; Santosa, I Dewa Made Cipta
invotek Vol 23 No 2 (2023): INVOTEK: Jurnal Inovasi Vokasional dan Teknologi
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/invotek.v23i2.1105

Abstract

Recent advancements in air conditioning (AC) technologies, such as inverters, enable the compressor to remain activated despite reaching the setpoint temperature. This study investigates the cooling performance and electrical parameters of a split inverter AC system controlled by a microcontroller in order to determine the operational performance characteristics of the air conditioning system. An ATmega 2560 microcontroller integrated with PZEM, DS18B20, and LCD I2C sensors monitors was 8,525 Btu/h capacity split inverter AC. During a 1-hour experimental run, the temperature differential between supply air (Tsupply) and return air (Treturn) stabilized at approximately 17 °C, with Tsupply reaching a minimum of 8.5 °C. Treturn remained relatively constant after 500 s with no fluctuations. Moreover, power draw maintained an average of 750 W (1 PK) with no variations, exhibiting an inverse relationship with Tsupply. The maximum energy consumption recorded during the experiment was 1,373 kWh. As expected based on fundamental thermodynamic principles, the energy usage showed a direct proportional relationship with the total runtime of the system. That is, the longer the AC system was engaged, the higher the total energy required to maintain the cooling effect. Overall, microcontroller-based split inverter AC enables real-time performance monitoring and efficient operation, representing a promising technology.
Pemanfaatan Metode Pengeringan Dehumidifikasi Untuk Membantu Proses Produksi Bubuk Jahe Kelompok PKK Dauh Peken Tabanan Sudirman Sudirman; I Dewa Made Cipta Santosa; I Nengah Ardita; I Made Sudana; Made Ery Arsana
Bhakti Persada Vol. 7 No. 2 (2021): Bhakti Persada Jurnal Aplikasi IPTEKS
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31940/bp.v7i2.102-110

Abstract

Makalah ini membahas tentang metode perubahan  pengeringan Jahe yang konvensional  yang dilakukan  oleh kelompok PKK Tunggalsari Dauh Peken Tabanan, dengan metode pengeringan sistem dehumidifikasi. Metedo pengeringan jahe  konvensional membutuhkan waktu 3 hari sampai 11 hari tergantung cuaca. Saat proses produksi juga memanfaatkan panas tinggi dari kompor. Hal tersebut mengakibatkan kandungan gingerolnya rendah akibat proses pengeringan pada suhu tinggi. Oleh karena itu ditawarkan pengeringan metode dehumidifikasi, yaitua proses   pengeringan   jahe dengan suhu  rendah  agar  kandungan  (n)gingerol,  zingerone  dan (n) shogaol tidak rusak selama proses pengeringan.  Prinsip alat tersebut adalah dengan cara mengambil atau menguapkan kandungan air pada jahe segar, kemudian uap air tersubut dikondensaikan di evaporator dan dibuang keluar mesin sudah berwujud air.  Pengujian mesin pengering dehumidifikasi dilakukan dengan 3 kali proses. Menghasilkan pengurangan bobot jahe sebesar 80 persen dengan  kadar air 10,8 persen.  Semua proses pengeringan dilakukan selama  7 jam.
Aplikasi Insinerator Hemat Energi Solusi Timbunan Sampah Residu Ru-mah Tangga: Studi Kasus di Desa Adat Galiukir, Kabupten Tabanan I Dewa Made Cipta Santosa; Putu Adi Suprapto; Sudirman Sudirman
Bhakti Persada Vol. 8 No. 2 (2022): Bhakti Persada Jurnal Aplikasi IPTEKS
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31940/bp.v8i2.117-124

Abstract

Pada saat ini penanganan timbunan sampah rumah tangga sampai di tingkat pedesaan, belum bisa diuraikan dengan baik karena sebagian besar merupakan sampah residu baik sampah organik maupun sampah anorganik. Tujuan dari studi ini adalah untuk mendapatkan solusi yang efektif untuk mengurangi timbunan sampah yang dibuang ke sungai atau tempat-tempat sembarangan lainnya. Metode yang dilakukan dalam studi ini  adalah dengan penerapan mesin  incinerator hemat energi dan bersih lingkungan dengan kapasitas 0,5 ton/ jam, tahapan berikutnya adalah pengujian efektifitas kinerja peralatan yang dilanjutkan dengan pengambi-lan data dan evaluasi keberlanjutan.  Hasil yang didapatkan dari pengujian adalah pencapaian  rerata yang masih dibawah 400oC hal ini disebabkan karena kondisi sampah yang masih mengandung kadar air dan kelembaban yang cukup tinggi, tetapi laju pembakaran sudah tercapai pada 0,5 ton/jam.  Hasil evaluasi menunjukkan bahwa dengan peralatan ini  penanganan sampah dapat dilakukan secara terpadu dan dengan mudah untuk ditangani secara berkesinambungan dengan manajemen yang profesional.
Penerapan Kompor Kremasi Ramah Lingkungan sebagai Teknologi Tepat Guna untuk Efisiensi Proses Ngaben di Desa Patemon Adi Winarta; I Dewa Made Cipta Santosa; I Gusti Agung Bagus Wirajati; Made Ery Arsana; I Nyoman Agus Adi Saputra; I Wayan Sutina
Bhakti Persada Vol. 12 No. 1 (2026): Mei (2026): Bhakti Persada Jurnal Aplikasi IPTEKS
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31940/bp.v12i1.20-28

Abstract

Patemon Village in Seririt District, Buleleng Regency, still performs the Ngaben cremation ceremony using open burning with firewood. This traditional practice creates several problems, including high wood consumption, substantial costs, long cremation duration, and thick smoke that potentially pollutes the environment and affects public health. This community service program aims to implement appropriate technology in the form of an eco-friendly cremation stove to improve the efficiency of the cremation process without reducing the sacred value of the ritual. The implementation methods include problem identification, design and fabrication of the stove, socialization and training for residents, application in several Ngaben ceremonies, and technical and social evaluation through combustion parameter measurements and questionnaires. The results show that the stove can shorten cremation time by approximately 40%, reduce firewood consumption by 45–50%, decrease ash residue, and significantly lower smoke intensity. Firewood costs also decline, while the majority of community members and traditional leaders consider the technology easy to operate and consistent with customary procedures. The eco-friendly cremation stove can thus serve as a sustainable solution that integrates technical efficiency, environmental conservation, and the preservation of the Ngaben tradition in Patemon Village.
Co-Authors Adi Winarta Adi Winarta, Adi Daud Simon Anakottapary Hendradinata, Hendradinata I Dewa Gede Agus Tri Putra I Gede Nyoman Suta Waisnawa I Gede Nyoman Suta Waisnawa I Gede Thio Cahya Dinata I Gst Lanang Made Purwita I Gusti Agung Bagus Wirajati I Komang Raditya Cahya Dinata I Made Sudana I Nengah Ardita I Nyoman Agus Adi Saputra I Nyoman Meirejeki I Nyoman Suamir I Putu Gede Suka Haryasa I Wayan Sutina I Wayan Temaja Ida Ayu Gede Bintang Madrini Ida Bagus Aditya Jaya Pramana Luh Putu Ike Midiani Made Ery Arsana Negara, I Gede Artha Ni Luh Ayu Kartika Yuniastari Sarja Ni Luh Putu Norma Dewi Abdi Pradnyani Ni Made Ernawati, Ni Made Putu Adi Suprapto Putu Wijaya Sunu Sudirman