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216 lab 3

# 216 lab 3 - Shelsie Kloepper BRAE 216-02 13 October 2011 Dr...

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Shelsie Kloepper BRAE 216-02 13 October 2011 Dr. Kelly Lab 3: Electric Motor Test Write-up Objectives: Measure the torque and rotation speed of 1 phase AC induction motor. Calculate the mechanical and electrical power and energy conversion efficiency Measure the AC real power, apparent power, reactive power and calculate the power factor Equipment: Clamp-on Ammeter Handheld DMM AC induction motor Dynamometer Wattmeter Oscilloscope Data: Distance from center of the generator shaft to the spring scale: 0.5ft Test 1 with ½ Hp motor Test 2 with ½ Hp motor and Capacitance value: 50mF (parallel) Test 3 with ½ Hp motor and with Men's Correctional Facility device Photos of setup including the connections to the Ammeter, Voltmeter, and wattmeter:

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Data Tables: Test 1: Control Force (lbs) Torque (ft-lbs) (F*.5) RPM Power Output (Hp) (T*N/525 2) Voltage (V) Current (A) Apparent Power (VA) Wattmeter True Power (W) Efficiency (%) (output/in put) *100 Power Factor (%) (TPower/ APower) 0.5 0.25 1600 0.0762 120.1 6.6 792.7 220 7.17 27.8 1 0.50 1600 0.152 119.5 6.6 788.7 280 14.4 35.5 1.5
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216 lab 3 - Shelsie Kloepper BRAE 216-02 13 October 2011 Dr...

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