Exam1Solutions-Fall07

Exam1Solutions-Fall07 - EEL 3211 Test 1 Sept. 25, 2007 Time...

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EEL 3211 Test 1 Sept. 25, 2007 Time limit: 50 minutes 1. Changing the load to a Y-connected load gives the following per-phase equivalent: Average power is the power dissipated by the load, reactive power when integrated over one cycle gives the energy stored by the load, and the apparent power is simply the product of the magnitudes of the voltage and current without regard to their phases and is used mostly to indicate ratings. 2. 2 2 1 2 2 )3 3 1 0 17.3 1 0 10 )2 345 ) 3 341 12 ) 3 12 1 ) co s ta n 1 cos4 5, 2 ) 3 343 36 ave ave L L phase phase L Total L LL L L Ge n L Total Ge nL a V V volts V b I amps Zj c P I R watts d Q I X vars e P F lagging f P I
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This note was uploaded on 07/28/2011 for the course EEL 3211 taught by Professor Staff during the Summer '08 term at University of Florida.

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