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Relationships between Excitation Voltage and Performance of AFWR Synchronous Generator
Relationships between Excitation Voltage and Performance of AFWR Synchronous Generator
Journal from gdlhub / 2016-11-17 03:02:02Oleh : Abdul Multi, Iwa Garniwa, Telkomnika
Dibuat : 2013-09-01, dengan 1 file
Keyword : Synchronous generator, axial flux, excitation voltage, efficiency, torque
Url : http://journal.uad.ac.id/index.php/TELKOMNIKA/article/view/1128
Generator fluks aksial rotor belitan mempunyai belitan medan yang dihubungkan dengan sumber tegangan dc. Dengan mengatur tegangan eksitasi, maka unjuk kerjanya dapat diatur untuk memenuhi kebutuhan tegangan beban yang terpasang pada terminalnya. Generator yang dirancang berkapasitas skala kecil yang mempunyai1 kW, 380 V and 750 rpm. Generator mempunyai satu stator belitan dua sisi beralur yang diapit oleh rotor kembar. Pengaruh perubahan tegangan eksitasi terhadap unjuk kerja dapat dilihat dari hasil perhitungan yang menggunakan persamaan-persamaan.Hasil-hasil perhitungan menunjukkan besaran listrik telah memenuhi unjuk kerja mesin. Semakin tinggi tegangan, semakin rendah rugi-ruginya sedangkan efisiensi dan torsinya semakin tinggi. Telah diperoleh bahwa untuk tegangan eksitasi 11 V, maka efisiensi dan torsinya masing-masing 85,12 % and 13,
Deskripsi Alternatif :The axial flux wound rotor generator has field winding that should be connected to a dc voltage source. Varying the excitation voltage, its electric performance might be controlled to meet the need of a load voltage attached to its terminal. The generator designed is small-scale capacity which has 1 kW, 380 V and 750 rpm. The generator has a single double-sided slotted wound stator sandwiched between twin rotor. The effect of excitation voltage changes on its performance can be seen from the result of calculations using the given equations.The calculation results reveal electric quantities suited with respect to performance of the machine. If the voltage is higher then the losses will be lower. However, the higher the voltage, the higher the efficiency and the torque.It has been found out that for the excitation voltage11 V, the efficiency and the torque are 85.12 % and 13.04 Nm respectively.
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