Yazar "Najafi, Atabak" için listeleme
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Comparison of core loss and magnetic flux distribution in amorphous and silicon steel core transformers
Najafi, Atabak; Iskender, Ires (Springer, 2018)No-load losses are caused by the magnetizing current that needed to energize the transformers core. These losses are constant and occur 24 h a day, regardless of the load. So, the customers should pay the fixed monthly ... -
Düzlemsel dizim nüveli kuru tip dağıtım transformatörü ile üçgen sarma nüveli kuru tip dağıtım transformatörünün sonlu elemanlar yöntemiyle karşılaştırılması / Turab Salahlı ; Danışman Atabak Najafi .
Salahlı, Turab (Ondokuz Mayıs Üniversitesi, Fen Bilimleri Enstitüsü, 2019)… -
Reduction stray loss on transformer tank wall with optimized widthwise electromagnetic shunts
Najafi, Atabak; Ozgonenel, Okan; Kurt, Unal (Ieee, 2017)This paper presents an optimized widthwise electromagnetic shunt as a cost-effective way to reduce the stray losses in transformer tank walls. A 1000 KVA, 10/0.4 kV oil immersed distribution transformer is used. 3-D finite ... -
Thermal Analysis of Brushless Doubly Fed Induction Machine
Cavus, Baris; Najafi, Atabak (Ieee, 2018)Brushless Doubly Fed Induction Machine (BDFIM) is a different type generator designed for energy production especially in offshore. A number of features of BDFIM which are frequency control and lack of brush make this ...
