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Performance Improvement of Paddy Threshing Unit Using Brushless Direct Current Motor
Paddy is the most important crop in the word. Much researchs have done to get the better quality and productivity of Paddy. In this study, we discuss an effort to improve the performance of a Paddy threshing, a machine for the separation of rice paddies from their stalks. This improvement using Brushless Direct Current (BLDC) motor, because the BLDC motor has higher efficiency and better torque at low speed. In addition to energy efficiency, the study also investigated the influence of the drum speed and the crop moisture content to the damage and loss of rice paddies. The results showed that BLDC motor can increase energy efficiency more than 20%. The speeds drum in lower and higher than 600 rpm, result the higher percentage of rice losses, while higher damage occurred at speed more than 600 rpm. Power cunsumtion in the higher moisture of rice also in higher rate. The optimum operating of the machine were 14% moisture and 600 rpm threshing drum speed.
Keywords
Threshing, Rice, BLDC Motor, Performance, Efficiency, Drum Speed, Moisture.
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