11 3 apparatus

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Unformatted text preview: ........................... 11 3. Apparatus ................................................................................................................... 12 4. Procedure ................................................................................................................... 12 5. Results and Calculations ............................................................................................ 14 6. Discussion .................................................................................................................. 17 7. Conclusions ............................................................................................................... 20 8. References ................................................................................................................. 21 9. Appendix ................................................................................................................... 21 Table of Figures Figure 1: Parts of DC Motor (Akbari) ................................................................................ 5 Figure 2: Forces Involved in an Armature Torque Production (Akbari) ............................ 6 Figure 3: Simple Commutator (Akbari) .............................................................................. 7 Figure 4: Schematic Representation of a DC Motor ........................................................... 9 Figure 5: Semi-Braked DC Motor Schematic ................................................................... 10 Figure 6: Motor Torque vs. RPM for a DC Motor at Various Voltages ........................... 14 Figure 7: Input Power vs. RPM for a DC Motor at Various Voltages.............................. 14 Figure 8: Output Power vs. RPM for a DC Motor at Various Voltages ........................... 15 Figure 9: Motor Current vs. RPM for a DC Motor at Various Voltages .......................... 15 Figure 10: Motor Efficiency vs. RPM for a DC Motor at Various Voltages.......................
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This document was uploaded on 10/10/2013.

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