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Creator:: Alajmi, Abdulhadi M.
Abstract:: The continuing desire of industry to further improve process efficiency, through tighter control and energy conservation, has prompted users to pay closer attention to Adjustable Speed Drives (ASDs). The conventional ASDs consist of induction or synchronous motors controlled by power electronic controllers through the adjustment of supply frequency and line...
Resource Type:: Masters Thesis
Full Text:: , the existing conventional drive performance. Copyright by Abdulhadi Alajmi October 29, 1993 All

Creator:: Boger, Michael S.
Abstract:: The Brush less Doubly-Fed Machine (BDFM) has the potential to be a more cost effective replacement for conventional induction or synchronous machine drives. The BDFM has two stator windings: a power winding and a control winding. An electronic power converter of variable voltage and frequency is connected to the control...
Resource Type:: Masters Thesis
Full Text:: variable S number of stator slots T electrical torque load torque U3 identity matrix of order 3

Creator:: Bozkus, Mustafa
Abstract:: Honey bees are vital for our food production and ecosystem due to their critical pollination services. The beekeepers in the United States and worldwide have reported significant colony losses for over fifteen years. Several stressors are implicated in these colony declines, including parasites, diseases, poor nutrition, and pesticide exposure. There...
Resource Type:: Masters Thesis
Full Text:: control treatment group. One-way ANOVA and students' t-tests were performed for mean comparison. Error

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