Reliability of distribution networks is a factor that greatly affects customers as consumers of electricity. Analyzing and calculating the reliability of distribution networks are determined by the reliability index including SAIFI, SAIDI, CAIDI, and ASAI. On the other hand, smartphone technology is growing rapidly with a variety of applications to help simplify and accelerate human work in several fields of work. This paper delivers the design of an Android-phone-based analytic tool for distribution system reliability index measurement by developing it on Android application software. This application is named KALINDA, stands for Kalkulator Indeks Keandalan (Reliability Index Calculator), and created by using Android Studio IDE. We compare the data result between KALINDA calculations and manual calculations. The results obtained from the KALINDA application are declared to be valid accurate.
Pandemi Covid-19 telah berlangsung hampir satu tahun dan belum menunjukkan tanda- tanda penurunan kasus, bahkan semakin meningkat. Penularan virus corona melalui droplet bisa langsung dari orang ke orang ataupun melalui media benda padat yang telah terkontaminasi virus. Oleh karena itu masyarakat diminta untuk selalu mencuci tangan, menjaga jarak dan memakai masker dalam setiap aktivitas. Untuk benda-benda yang mungkin menjadi media penularan bisa dilakukan desinfeksi dengan cairan disinfektan. Masyarakat telah mengenal cairan desinfektan dan telah jamak digunakan dalam kegiatan sehari- hari. Cara lain untuk melakukan desinfeksi adalah dengan penyinaran ultra violet (UV) terhadap benda-benda yang mungkin terkontaminasi. Saat ini telah banyak beredar peralatan desinfeksi UV yang bisa dibeli di toko-toko namun harga jualnya masih sangat tinggi, mencapai jutaan rupiah. Harga ini jelas tidak terjangkau oleh masyarakat bawah. Peralatan desinfeksi menggunakan paparan sinar UV sebenarnya bisa dibuat sendiri dengan biaya yang murah. Meskipun demikian banyak hal yang perlu disadari dalam penggunaan sinar UV karena mengandung bahaya bagi kulit atau mata yang terpapar langsung. Tujuan Program Pengabdian kepada Masyarakat Program Kemitraan Masyarakat (PKM) ini adalah memberikan pengetahuan kepada masyarakat akan cara lain dalam melakukan desinfeksi benda yang mungkin terpapar virus, serta membantu masyarakat untuk membuat UV chamber dan menghindari resiko yang mungkin terjadi.
The development of communication technology in Indonesia is currently growing, one of which is cellular telecommunications technology. Cellular communication technology developed from the first generation to the present time has entered the 4th generation known as 4G LTE. The writing of this final project discusses the analysis and optimization of the 4G LTE network of Telkomsel seluer operators in Jombang, East Java. Measurements were made using the drive test method to test the 4G LTE network in the inner area of Jombang district. This testing is done to check the network in the inner area whether it is optimal in providing network to customers. This drive test uses a nemo handy device and to analyze drive test results using a nemo analyzer. The results measured when doing a drive test are RSRP, SNR, and throughput parameters. The results of the RSRP parameter get 95% of the total sample RSRP values -100 dBm to 0 dBm. The SNR parameter gets 94% of the total sample which has a value of 0 dB to 25 dB. The throughput parameter gets 95% of the total sample value above 1Mbps. After a drive test and analysis there are 4 areas that need to be optimized because in terms of quality or SNR and the data speed or throughput is below the standards applied by the operator.
The steam power plant is the most powerful in Indonesia. The dominance of this type of power plant can be seen from statistical data that until the end of 2018 there were 48.43% of steam power plants out of the total installed capacity of national plants. Generators used in steam power plants are generally of the synchronous generator type, which in its operation always experiences dynamics from time to time as the load changes in electricity. In this study, an analysis of the performance of synchronous generators has been carried out concerning changes in electricity load. Synchronous generator performance analysis includes output voltage, active power, reactive power, power factor, and generator efficiency. The steam power plant in this study is the largest capacity power plant in Indonesia, thus providing an important role in the supply of electric power. Based on the results of the study, it has been shown that although the load dynamics that experience changes are very dynamic, the generator performance still has good performance.
Dusun Dlingseng is located in Banjaroyo Village, Kalibawang District, Kulon Progo Regency, which is the location of regular and international KKN in February and March 2019, where the majority of villagers rely on their main livelihood as farmers and ranchers. In addition to these two sources of livelihood, Dusun Dlingseng is also where the Banjaroyo Embung operates or often known as a mini reservoir. Where apart from being a place of recreation, this Embung and its surroundings are a place for the Dlingseng community to sell their garden produce. Agricultural products produced in Dlingseng Hamlet such as cassava, coffee, corn, cassava, coffee, rambutan, coconut, durian and others are grown on the farmers' respective lands. Usually they process cassava into "slondok" a typical Kulon Progo snack. They sell their products in the nearest market or at collectors who come at a low price. This community service is needed by the village with a program that supports the progress of the Dlingseng hamlet in processing existing natural resources and a program to train them to promote their production and sell them other than in the market in order to get more profit.
Analysis of the performance of the LTE network with WiFi networks was carried out in the G5 building of the Faculty of Engineering, University of Muhammadiyah Yogyakarta, which is the building of the Faculty of Engineering Laboratory. This research was conducted by comparing the LTE network with indoor or indoor WiFi networks, measuring these two networks using the Network Analyzer and Wifi Analyzer application to obtain information on signal quality data based on KPI and TIPHON standardization, which shows RSRP, RSRQ, and Throughput values through measurement using the Network Analyzer and Wifi Analyzer application. From the results of research that has been done shows that the G5 building has a WiFi internet network that is superior to the LTE internet network. The overall condition of the Wifi network is in very good condition and is stable for each floor. While the LTE network even though it has increased conditions on the second floor but overall is in a bad condition to normal. The LTE network has an RSRP value with an average of -143 dBm, while a WiFi network with an average of -90 dBm. Then the LTE network has an RSRQ value with an average of -13 dBm, while the Wifi network with an average of -15 dBm. For LTE network throughput it has an average max. ping by 50.9 ms and min. ping is 864.5 ms, while WiFi networks have max average. ping by 24.3 ms and min. ping of 144.5 ms. From the results of these data show that the G5 Building has a good WiFi network and is superior to the LTE network.
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