Energi listrik dalam penyalurannya dari pusat pembangkitan, sistem transmisi, sistem distribusi sampai ke pusat beban mengalami jatuh tegangan. Hal ini terjadi karena jumlah konsumen PLN yang tiap tahunnya meningkat sehingga mengakibatkan bertambahnya panjang jaringan dan beban yang harus disuplai. Penelitian ini bertujuan untuk menganalisis jatuh tegangan pada Penyulang KLS06. Untuk melakukan perhitungan tersebut digunakan software ETAP Power Station12.6.0 dengan menggunakan metode Newton-Raphson. Jaringan distribusi Penyulang KLS 06 termasuk wilayah kerja PT PLN (Persero) ULP Semarang. Pada transformator distribusi 3 fasa 50 kV dengan nomor gardu KLS06-110 mengalami pembebanan yang melebihi batas standar. Sehingga pada Bus24 mengalami jatuh tegangan sebesar 3,75%. Berdasarkan SPLN 72: 1987 batas maksimum jatuh tegangan yang diijinkan pada JTR yaitu 4%. Untuk mempertahankan kualitas tegangan dan mengantisipasi terjadinya jatuh tegangan yang lebih besar akibat pertambahan beban, maka perlu dilakukannya sisip transformator yang dihubung paralel dengan transformator KLS06-110. Dari hasil analisis setelah dilakukan sisip transformator didapat nilai jatuh tegangan pada Bus24 berkurang 1,75% sehingga nilainya menjadi 2%.
Disruption to the learning process occurs during a pandemic. All educational arrangements are changing. Along with these changes, the independent learning curriculum is trying to be implemented. The purpose of this study was to analyze the state and availability of school infrastructure related to IT in Vocational High Schools in Central Java, to develop an assemble of information technology (A-IT) manual as an effort to optimize school infrastructure in online learning. Evaluating the assemble of information technology (A-IT) manual as an effort to optimize school infrastructure in online learning. This research is development research with a mixed-method approach, namely qualitative and quantitative. A qualitative approach is used. The subject of this research is the Principal of Vocational Schools in Central Java, while the object of this research is the optimization of information infrastructure in schools. Data collection techniques used questionnaires and interviews with principals of SMK schools in Central Java. Qualitative data analysis was carried out by collecting data, reducing data (data reduction), presenting data (data display), and drawing conclusions or verification (conclusions). The results showed that the condition and availability of IT infrastructure in Vocational High Schools in Central Java were quite good but still required the development of IT infrastructure in a better and more structured manner. Development of guidebooks the development of assembling of information technology (A-IT) manuals can be well structured through the results of FGDs with SMK principals so that the final model of the manual can be compiled and used as guidelines in the development of IT infrastructure in schools. The assembly of information technology (A-IT) manual is very useful in compiling and preparing school infrastructure properly and making it easier for schools to develop IT infrastructure so that learning becomes more optimal.
Management information system (MIS) of Engineering Faculty (EF) Internship Office (IO) Universitas Negeri Semarang (UNNES) 2018 is an efficient and effective information system in colleges. The purpose of this study is the learning outcomes of MIS IO EF UNNES 2018 through users and systems. This research method was conducted using a questionnaire with HOT (Human, Organization, and Technology) fit model. This questionnaire was filled by 64 respondents consisting of students, supervisors, study program coordinator, administrative both departments and faculties. The results show that the user’s response to human instruments was a good average (54%) but the assessment of the department and faculty administration by all respondents was only 3% and 1.5%. Meanwhile, the average organizational instrument was good (53.86%), but the climate factor or organizational culture (55.40%) was the best from the organizational existence (55.01%) and the quality of organizational work (50.22%). Finally, it was good (54%) with the system quality factor (55.28%) was better than the information quality factor (53.15%). Improvements to the website consist of the front view and the contents of the system. This questionnaire can help the performance of MIS IO EF UNNES 2018.
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