Aventus Wagur
Malang national technology institute
Indonesia

The author is the fourth child of Mr. Geradus Roje and Mrs. Maria Bius. The author began his education at Ponggeok Elementary School, and in 2008 the author studied at Sinar Ponggeok Junior High School until 2011, then continued to the next level, namely at SMAN 1 Langke Rembong until 2014, and afterwards continued his studies at the NATIONAL INSTITUTE OF TECHNOLOGY MALANG (ITN MALANG) and chose the S-1 ELECTRICAL ENGINEERING department, ELECTRICAL ENERGY REQUIREMENT, INDUSTRIAL TECHNOLOGY FACULTY. During being a student, the author also became an Laboratory Assistant for Electric Energy Conversion until now.

Abraham Lomi
Institut Teknologi Nasional Malang
Indonesia

Irrine Budi Sulistiawati
Institut Teknologi Nasional Malang
Indonesia