Energy Systems I
Energy Systems I ECE 320
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This 3 page Class Notes was uploaded by Fredy Okuneva on Thursday October 22, 2015. The Class Notes belongs to ECE 320 at University of Idaho taught by Joseph Law in Fall. Since its upload, it has received 30 views. For similar materials see /class/227716/ece-320-university-of-idaho in ELECTRICAL AND COMPUTER ENGINEERING at University of Idaho.
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Date Created: 10/22/15
EE320 Law JD Session 10 11 Energy Systems I Spring 2005 Useful Trigometric Identities in AC Machine Analysis N E 4 UI 0 1 9 0 00 gt0 N O sin Acoso Bsino VA2 32 cos0 20 cos20 1 sin0 j sinO cosBj coso sinB cos0 coso cosBIF sinO sinB Acoso Bsino W sin0 B tan 1AB Btan1 BA sinO cosB sin0 sin0 coso cosB 5 cos0B cos0 sinO sinB cos0 cos0B coso cos0 cos0 0 sinO sin0 sin0 0 sinO coso sin0 cos0 sin0 cos0 0 cos20 cos20 cos20 g sin20 sin20 sin20 coso cos0 cos0 cos0 cos0231 cosoc 21 21 21 21 7 3 s1n0 s1n0 T s1n0 T s1n0 T s1n0 T s1n0 1 sinO cos0 sin0 coso sin0 cos0 sinO cos0 sin0 cos0 sin0 coso coso cosB cos0 cosB cos0 cosB cos0 3 sinO sinB sin0 sinB sin0 sinB 5 cos0 sinO cosB sin0 cosB sin0 cosB sin0 ECE 320 Energy Systems Session 44 Page 12 Fall 2003 ECE 320 Lecture 44 otes Misc Notes I have an ECE faculty meeting during office hours today Homework 9 due at 600pm instead of 500pm Hw 9 solutions will be posted this weekend I will try to get missing lecture summaries on the web page but I doubt that I will be get a them up before tuesday The material that is missing is all covered in Mohan Final Exam 0 Tuesday 1000am 1200pm 0 1 sheet both side of 85in x 11in paper with notes 0 Sample exam solutions will be posted this weekend Topics Exam I material Single phase AC circuits time domain and phasors Complex power real power reactive power and power factor Hamonics analysis Fourier series Fundamental component RMS versus true RMS Total Harmonic Distortion Crest Factor True power factor displacement factor distortion factor Transformers Ideal transformer relationships Transformer equivalent circuit with resistances and inductances Short circuitopen circuit tests Transforming impedances across the transformer Voltage regulation Efficiency Magnetic circuit analysis Ampere s Law Faraday s Law Lenz39s Law Relationships between H B I e Reluctance Magnetic saturation Computing inductance Detemining leakage and magnetizing inductances of transformers ECE 320 Energy Systems Session 44 Page 22 Fall 2003 Exam 2 Material Speed Voltage Torque production Basic DC generator and DC motor operation Seperately excited machine Determine speed if you know Ea and If EaIa 103 Shunt Field machine Series excited Compound excited Motor starting behavior Speed control Fundamentals of power electronics Buck converter Basic relationships Determination of boundary of discontinuous conduction New Material Since Exam 2 The exam will be weighted a little more heavily on this material Boost and BuckBoost Converters Inputoutput relationships for each type of dcdc converter Determine boundary of discontinous conduction for each Determine peak to peak voltage ripple for each dcdc converter or size the capacitor to accomplish a speci c ripple Closed loop current regulation why useful Single phase diode rectifiers Basic circuit Typical current waveforms for resistive RL and parallel RC dc loads Commutation overlap and impact on dc voltage in continuous conduction Continuous versus discontinuous conduction For a capacitor ltered converter determine peak dc current and initial conduction angle for the dc current Determine true power factor given the current waveform