Research on corona discharges from plasma generators has been studied using the line-plane configurations (L-PC). The purpose of this study is to calculate the comparison of the level of conformity of the voltage current characteristic curve (I–V) from the simulation results of numerical calculations of the electrode geometry function and the results of experimental data. There is an electrode (electrode 1) in the form of a rectangular plate with a very thin thickness which has a length and width of a and b respectively in an upright position (line configuration). Electrode 1 has a distance of c to electrode 2 which is in a lying position (plane configuration) below the electrode 1. Furthermore, by using variation of c of 2.5 cm, 2.8 cm, 3.1 cm and 3.4 cm, the two electrodes are connected to the plasma generating equipment, thus producing a plasma discharge that comes out of the tip of the electrode 1 towards electrode 2. Research results from all variations of c prove that there is a high degree of suitability between numerical calculations with experimental data by taking the value of the fitting for the sharpness shape factor of k in the area with the largest plasma discharge.
Highlights• This paper focuses on the (I-V) characteristics calculations of the corona discharge.• The numerical calculation approach uses the concept of the electrode geometry model. • There is an accuracy high degree between the numerical calculations and the research data.
The electricity demand share in the household sector will increase from 49% in 2018 to 58% in 2050 as predicted. This issue is particularly caused by the household growth number which may increase from 67 million in 2018 to approximately 80 million in 2050. For the household customer number are increasing, utilizing rooftop as the base of solar power plants can be an effective and efficient solution. In addition, the government regulation supports the acceleration and development of new and renewable energy. This research aims to analyze the technical economic feasibility of rooftop solar power plant system with a household-scale on-grid system in Semarang City. Through PVSyst 6.43 and RetScreen software also equipped with several primary components, this household-scale rooftop solar power plant investment plan is estimated to have an average revenue return estimated in 10 years later.
Bank Perkreditan Rakyat merupakan lembaga keuangan yang menyediakan pelayanan perbankan bagi masyarakat menengah ke bawah. Salah satu upaya pengembangan BPR BKK Mandiraja Cabang Wanayasa Banjarnegara adalah pengimplementasian PLTS. Perkiraan data beban harian sebesar 9.619 Wh pada hari senin – sabtu dan 6.848 Wh pada hari minggu dimana panel surya yang dipasang memiliki kapasitas 3 × 400 Wp dengan kapasitas inverter 1.500 W. Energi yang diimpor dari PLN selalu lebih besar (sekitar 7 – 10 kali lipat) dibandingkan energi yang diekspor ke PLN. Persentase energi yang diekspor ke PLN berkisar antara 30% – 40% dari energi total yang dibangkitkan PLTS. Besarnya energi dari PLN yang digunakan sebesar 80% – 85% dari total beban yang terpasang. Besarnya biaya listrik yang harus dibayarkan selama 6 bulan ketika tidak menggunakan PLTS sebesar Rp 2.438.897 dan penghematan yang didapatkan dari PLTS sebesar Rp 538.880. Hal ini menunjukkan bahwa dengan memasang PLTS, BPR BKK Mandiraja Cabang Wanayasa Banjarnegara dapat mengurangi biaya energi listrik sebesar 22,1%.
Indonesia berkomitmen dalam pengembangan penggunaan energi baru dan terbarukan yang tercantum pada Undang-Undang, Peraturan Pemerintah, Peraturan Presiden, Peranturan Menteri, maupun peraturan pendukung lainnya. Dengan kondisi topografi Indonesia yang bergunung dan berbukit membuat Indonesia memiliki potensi energi air yang besar. Potensi ini menjadi prioritas pemerintah untuk mencapai bauran energi baru dan terbarukan paling sedikit 23% pada tahun 2025 dan paling sedikit 31% pada tahun 2030. Untuk mencapai target ini pemerintah menentukan arah kebijakan dan rencana strategis yang tercantum pada Rencana Umum Energi Nasional (RUEN). Energi air dapat dimanfaatkan sesuai potensi daya yang dapat dihasilkan yaitu PLTA, PLTM, PLTMH, dan juga sebagai penyimpan energi dengan teknologi pumped storage.
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