Abstract
Electrical energy is needed in the A-205 JTE PNB lecture building during the teaching and learning process (PBM). The use of electrical energy includes lighting, Air Conditioning (AC), computers, laptops and LCD projectors. The dominant use of electrical energy is about 8 hours a day. The regulation of electrical energy requires high skilled human resources in making effective use of electrical energy, activating energy-saving behaviors or cultures such as turning off air conditioning and lighting after use. Other efforts are to increase the efficiency of the use of electrical energy, improve the power factor, and replace equipment such as more efficient lighting, more efficient air conditioners. In addition, it can also be done with a tool in the form of a bidirectional visitor counter-based electrical energy control system by installing the control system in each classroom. This control system functions on the use of electrical energy, namely when the classroom is used (there are students/people) the control system works to connect the electric current to the load. On the other hand, when the classroom is not used (there are no students/persons) the control system does not work (does not connect) the electric current to the load. It was found that the use of the control system in the A-205 JTE PNB classroom can save electrical energy by 0.6935 kWh, which is a percentage saving of 23%. This means that the control system based on the bidirectional visitor counter used in the A-205 classroom is more effective in regulating the use of electrical energy so that it can save electrical energy.
Highlights
Electrical energy is needed in the A-205 Jurusan Teknik Elektro (JTE) Politeknik Negeri Bali (PNB) lecture building during the teaching and learning process
Other efforts are to increase the efficiency of the use of electrical energy
it can also be done with a tool in the form
Summary
Sistem kontrol atau sistem kendali adalah kumpulan dari beberapa komponen yang terhubung satu sama lainnya, sehingga membentuk suatu tujuan tertentu yaitu mengendalikan atau mengatur suatu sistem. Sistem kontrol dapat dibagi menjadi dua jenis yaitu sistem kontrol loop terbuka dan sistem kontrol loop tertutup seperti pada blok diagram Gambar 1 (Ogata 1997) [7]. Diagram skematik sistem (a) loop terbuka dan (b) loop tertutup [7]
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