9 research outputs found

    SISTIM DETEKSI DINI KETIDAK SEIMBANGAN BEBAN TIGA PHASA BEBASIS ARDUINO PADA PANEL HUBUNG TEGANGAN RENDAH

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    Dalam penelitian ini, sistim yang dikembangkan berbasis Teknologi Internet of Things (IoT) yang dibangun terdiri atas: perangkat embedded system yang berfungsi untuk melakukan pengukuran dan pengiriman data, perangkat lunak Web Service yang berfungsi untuk menerima data dari sensor system dan perangkat lunak berbasis Arduino menggunakan flatform aplikasi Blynk Cloud  dalam penyajian data dan pengelolaan data untuk melalui perangkat display perangkat android. Sistim ini dibangun untuk memberikan fungsi peringatan dini terhadap anomali parameter trafo seperti overload, overvoltage dan unbalance load. Berdasarkan pengujian, waktu yang di butuhkan untuk mengirim dan menerima notifikasi di smartphone user melalui aplikasi blynk berkisar pada 3-4 detik. Dengan menetapkan batas tolerasi tertentu sebagai batas ambang ketidakseimbangan, maka pada saat beban sangat tidak seimbang dimana arus netral hampr sama atau lebih besar dari arus phasa maka pada lampu indiator lokal akan menyala dan pada sistim android akan memberikan indikator unbalance load

    PENGARUH MODEL PEMBELAJARAN ASSURANCE RELEVANCE INTEREST ASSESSMENT AND SATISFACTION TERHADAP PENINGKATAN HASIL BELAJAR FLUIDA STATIK SISWA KELAS XI SMAN 1 INDRALAYA

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    The purpose of this study was to observe the effect of learning model Assurance, Relevance, Interest, Assessment, and Satisfaction (ARIAS) on student learning outcomes in static fluid material. The method used in this study is the method of quasi-experimental design with nonequivalent control group design. The population of this entire class XI Science SMAN 1 Indralaya and this sample is a class XI Science 1 as an experimental class and class XI Science 2 as the control class in the second semester of school year 2013-2014. Data collection techniques used were tests and observation. The test is used to see the results of student learning and observation sheet to see the feasibility ARIAS learning models and the activities of students. The results of this study the data obtained experimentally class N-gain of 0.68 (medium category) and N-gain control class 0.27 (low category). Data resulting from adherence to the model ARIAS observation sheet shows the percentage of 85% in the first meeting and continued to increase to 100% until the last meeting. Activities of students at the first meeting by 33% and showed an increase up to the last meeting reached an average percentage of 95%. Statistical test results showed that there is a significant influence on the learning model ARIAS student learning outcomes. It can be concluded that the increased activity of the experimental class students learn through application of learning models ARIAS exert significant influence on learning outcomes of students in the experimental class than the control class

    PERBAIKAN STABILITAS FREKWENSI GENERATOR SINKRON MENGGUNAKAN METODE PENGONTROLAN DOUBLE NOZZLE PADA TURBIN CROSS FLOW

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    Renewable energy resources is main issue in electricity power systems in several countries like Indonesia. Stabilityfrequency of power plant systems refers to the ability of generator to maintain steady state when any fault or dynamicload. In order to keep the power system change, power plant units will be adjust their power output to according to thechange of system frequency or load thorough balancing of the active power with load. Method control system by usingdouble nozzle to the control of active power for turbine micro hydro will be proposed. obtained duration of the stabilityfrequency response will be faster than normally. The simulation result obtained that, duration of the stability frequencyresponse will be faster than normally, if there a load change suddenly

    PELATIHAN PEMBUATAN ROTI UNTUK UMKM DAN MASYARAKAT SEKITAR KAMPUS UNIVERSITAS SAWERIGADING MAKASSAR

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    PELATIHAN PEMBUATAN ROTI UNTUK UMKM DAN  MASYARAKAT SEKITAR KAMPUS UNIVERSITAS SAWERIGADING MAKASSA

    PENENTUAN BIAYA SALURAN TRANSMISI MENGGUNAKAN METODE MW-MILE BERDASARKAN KUALITAS DAYA

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    Issu utama dalam tarif daya listrik adalah penentuan pemanfaatan saluran transmisi yang sesuai dengan aliran daya yang sebenranya. Formulasi metode yang tepat dalam menentukan tarif listrik berdasarkan aliran daya yang sesuai dengan karakteristik beban sangat diperlukan. Salah satu metode yang banyak digunakan dalam biaya transmisi adalah metode MW-Mile. Namun, metode ini belum pernah diterapkan dalam penentuan tarif listrik serta metode ini pula belum mencerminkan karakteristik sesungguhya dari pelanggan (industri atau bisnis).   Oleh karena itu, dalam penelitian ini akan diusulkan sebuah formulasi tarif listrik dengan memodifikasi metode MW-Mile dengan mempertimbangkan karaktersitik sesungguhnya pelanggan listrik terutama pelanggan industri dan bisnis.Kata kunci : Deregulasi sistim tenaga,  kualitas daya, saluran transmis

    PENGGUNAAN MEDIA KARTU UNTUK MENINGKATKAN AKTIVITAS DAN HASIL BELAJAR (RANAH KOGNITIF) SISWA PADA MATERI DUNIA HEWAN DI KELAS X SEKOLAH MENENGAH ATAS NEGERI 6 KOTA JAMBI

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    Penelitian ini bertujuan ingin mengetahui Penggunaan Media Kartu Untuk Meningkatkan Aktivitas dan Hasil Belajar Siswa (Ranah Kognitif) Pada Materi Dunia Hewan Di Kelas X Sekolah Menengah Atas Negeri 6 Kota Jambi. Penelitian ini merupakan penelitian tindakan kelas (classroom action research) yang dilaksanakan dengan 3 siklus. Penelitian ini menggunakan teknik pengumpulan data dan menggunakan tes, observasi dan dokumentasi. Dengan materi dunia hewan. Subjek dari penelitian ini adalah siswa sekolah menengah atas negeri 6 kota jambi pada kelas X MIPA6 dengan jumlah siswa 29 orang siswa. Hasil penelitian dapat dijelaskan sebagai berikut : Pada Aktivitas siswa siklus I peretemuan 1 dan 2 persentase yang di dapat sebesar 46% menjadi 50%, lanjut pada siklus II pada pertemuan 1 persentase 56% meningkat menjadi 66% pada pertemuan 2. Dan pada siklus III pada pertemuan pertama persentase hasl aktivitas 80% meningkat menjadi 94% pada pertemuan ke 2. Hasil belajar Sebelum tindakan hasil belajar siswa dengan nilai rata-rata kelas 50, dengan 73% siswa yang tidak tuntas 24% siswa yang tuntas, kemudian pada siklus I hasil belajar siswa dengan nilai rat-rata 54, dengan 38% siswa yang tuntas dan 62% siswa yang tidak tuntas, pada siklus II nilai rata-rata siswa 66 dengan 69% siswa yang tuntas dan 31% siswa yang tidak tuntas, dan pada siklus III nilai rata-rata siswa 77 dengan 90% siswa yang tuntas dan 10% siswa yang tidak tuntas. Dengan demikian bahwa Penggunaan Media Kartu secara signifikan dapat meningkatkan Aktivitas dan Hasil belajar(Ranah Kognitif) siswa pada mata pelajaran Biologi di kelas X MIPA6 Sekolah Menengah Atas Negeri 6 Kota Jambi

    Integrating Social Forestry and Biodiversity Conservation in Indonesia

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    Social forestry (SF) has long been implemented in production and protected forests in Indonesia. SF is considered to be a win–win solution for occupied and cultivated forest areas. The aim of this paper was to review the implementation of social forestry in Indonesia and its strengths and challenges. The secondary purpose was to synthesize the lessons learned and recommendations for the government about designing SF that can integrate the objective of forest biodiversity conservation and the social welfare of the surrounding communities. The study used a systematic literature review (SLR) of international and national peer-reviewed articles. The results of the study indicate that SF is intended to achieve benefits in three main areas: social, economic, and ecological. However, the review found that the ecological aspects of biodiversity conservation often receive less attention compared to the social and economic goals. A strong point of SF implementation is increasing community access to forest land use, while a challenge that must be resolved is that including communities in forest management can result in fragmentation and changes to animal habitats; thus, there is the potential for population decline and extinction. This study advises policymakers to pay more attention to ecological functions to ensure forest sustainability in SF development

    A Chronicle of Indonesia’s Forest Management: A Long Step towards Environmental Sustainability and Community Welfare

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    Indonesia is the largest archipelagic country in the world, with 17,000 islands of varying sizes and elevations, from lowlands to very high mountains, stretching more than 5000 km eastward from Sabang in Aceh to Merauke in Papua. Although occupying only 1.3% of the world’s land area, Indonesia possesses the third-largest rainforest and the second-highest level of biodiversity, with very high species diversity and endemism. However, during the last two decades, Indonesia has been known as a country with a high level of deforestation, a producer of smoke from burning forests and land, and a producer of carbon emissions. The aim of this paper is to review the environmental history and the long process of Indonesian forest management towards achieving environmental sustainability and community welfare. To do this, we analyze the milestones of Indonesian forest management history, present and future challenges, and provide strategic recommendations toward a viable Sustainable Forest Management (SFM) system. Our review showed that the history of forestry management in Indonesia has evolved through a long process, especially related to contestation over the control of natural resources and supporting policies and regulations. During the process, many efforts have been applied to reduce the deforestation rate, such as a moratorium on permitting primary natural forest and peat land, land rehabilitation and soil conservation, environmental protection, and other significant regulations. Therefore, these efforts should be maintained and improved continuously in the future due to their significant positive impacts on a variety of forest areas toward the achievement of viable SFM. Finally, we conclude that the Indonesian government has struggled to formulate sustainable forest management policies that balance economic, ecological, and social needs, among others, through developing and implementing social forestry instruments, developing and implementing human resource capacity, increasing community literacy, strengthening forest governance by eliminating ambiguity and overlapping regulations, simplification of bureaucracy, revitalization of traditional wisdom, and fair law enforcement
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