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Full-Text Articles in Engineering
10 W Dc-Dc Converter Based Led Driver Circuit Design, Ö. Faruk Farsakoğlu, H. Yusuf Hasrici, Ibrahim Çelik
10 W Dc-Dc Converter Based Led Driver Circuit Design, Ö. Faruk Farsakoğlu, H. Yusuf Hasrici, Ibrahim Çelik
UBT International Conference
Considering the total amount of energy consumed in the world, energy used in lighting is of utmost importance. For this reason, systems used in lighting should be energy efficient, and mıre efficient lighting elements should be preferred. LED, as a solid-state lighting system, is more energy efficient than the lighting systems with conventional lighting elements. Some of the LEDs used in solid-state lighting systems are named as standard 5mm LEDs and power LEDs. Because power LEDs have more light efficiency than standard 5 mm LEDs, they are produced as an alternative to conventional light sources. Power LEDs draw much more …
Amorphous Core Transformers Efficiency Analysis In Turkish Electrical Distribution Systems, Fati̇h Işik, Yilmaz Uyaroğlu
Amorphous Core Transformers Efficiency Analysis In Turkish Electrical Distribution Systems, Fati̇h Işik, Yilmaz Uyaroğlu
Turkish Journal of Electrical Engineering and Computer Sciences
Transformers are an indispensable element in the transmission and distribution of electricity. While they are highly efficient, the increasing global demand for electrical energy has prompted efforts to improve their performance. No-load power losses constitute the majority of total losses within electrical energy distribution, especially when looking at load ratio. In recent years, some studies have found that no-load power losses of amorphous core transformers are less than those of laminated steel core transformers by as much as 60{\%} to 70{\%}. For this paper, we have manufactured an amorphous distribution transformer prototype rated 33 kV and 1 MVA. By quantifying …