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Transcript

Electrical and Telecommunications Engineering Technology_EET1222/ET242 NEW YORK CITY COLLEGE OF TECHNOLOGY The City University of New York DEPARTMENT: Electrical and Telecommunication Engineering Technology SUBJECT CODE AND TITLE: EET1222/ET242 Circuit Analysis II COURSE DESCRIPTION: Developing skills and proficiency in AC circuits analysis, concepts of power, resonance circuits, filters, transformers and polyphase systems. Hands-on laboratory experiments are included. PREREQUISITE: EET1122/ET162 PRE or COREQUISITES: MAT1375/MA375, ENG1101/EG101, PHYS1434/SC434 TEXTBOOK: 1. Introductory Circuit Analysis, R. Boylestad, Prentice Hall 12th Ed. 2010 2. Department Laboratory Manual COURSE OBJECTIVES/ Upon completion of this course, students will be able to: COURSE OUTCOMES: 1. Apply Steimetz’s “Symbolic Method” towards calculation of series, parallel and series-parallel R-L-C circuits with AC current and voltage sources. Master concept of Phasors, Phasor diagrams and Impedance diagrams, streamline calculations using Scientific Calculator. (ABET Criteria 3a, 3b, 3f) 2. Use circuit analysis methods: current and voltage source conversion, Mesh and Nodal analysis including Format Approach. Apply network analysis theorems: superposition theorem, Thevenins’s theorem and maximum power transfer theorem. (ABET Criteria 3a, 3b, 3f) 3. Calculate power-average, reactive and apparent power, power factor, power factor correction and implement power triangle. (ABET Criteria 3a, 3b, 3f) 4. Calculate series and parallel resonance circuit parameters. (ABET Criteria 3a, 3b, 3f) 5. Analyze and design different types of passive filters, calculate and graphically represent frequency response characteristics. (ABET Criteria 3a, 3b, 3f) Electrical and Telecommunications Engineering Technology_EET1222/ET242 6. Calculate voltage, current and power in 3-phase Balanced Y and Delta connections. (ABET Criteria 3a, 3b, 3f) 7. Calculate turns ratio, reflected impedance and power for an ideal transformer. (ABET Criteria 3a, 3b, 3f) 8. Wire ac circuits from a schematic and measure voltage and current using multi-testers and oscilloscope. (ABET Criteria 3a, 3b, 3d) 9. Analyze experiment results and write reports on a timely and professional manner. (ABET Criteria 3a, 3c, 3d, 3e, 3f) TOPICS: Topics include characteristics of sine waves, responses of R, L, and C to sine waves, phasors, series and parallel ac circuits power, selected network theorems series and parallel resonance, balanced delta and Y 3 Phase systems, ideal transformer. CLASS HOURS: 4 LAB HOURS: 2 CREDITS: 5 Prepared by: Professor J. Bromberg Spring 2014 Email: [email protected] Course Coordinator: Professor M. Kalechman E-mail: [email protected] (718) 260-5318 Electrical and Telecommunications Engineering Technology_EET1222/ET242 Descriptive details of laboratory coursework: In the laboratory, experiments include measurements and calculations of voltage, current, impedances, and phase shifts in RL, RC and RLC circuits, series and parallel resonance characteristics using sine wave sources, multi-testers and oscilloscope. GRADING POLICY: Homework 4-5 Exams 1 Final Exam: Lab Reports Letter Grade A AB+ B BC+ C D F 10% 40% 30% 20% Numerical Grade Ranges 93-100 90-92.9 87-89.9 83-86.9 80.82.9 77-79.9 70-76.9 60-69.9 59.9 and below Quality 4.0 3.7 3.3 3.0 2.7 2.3 2.0 1.0 0.0 Electrical and Telecommunications Engineering Technology_EET1222/ET242 Assessment The following assessment techniques are correlated to the course objectives as follows: In addition, each assessment technique incorporates one or more of the following ABET Criteria 3 outcomes (3a, 3b, 3c, 3d, 3e, 3f) Assessment Course Objectives 1. Calculate voltage current, impedance and power in RLC circuits using phasors and complex numbers. 2. Use theorems: Mesh analysis, nodal analysis Thevenin’s theorem, superposition theorem, and maximum power transfer theorem. 3. Calculate power: average, reactive and apparent and power factor. 4. Calculate series and parallel resonance circuit parameters. The students will be able to: 1.1Convert sine waves to complex numbers, phasors and back. 1.2 Calculate voltage, current, power in series parallel ac circuits. 1.3 Draw phasor and impedance diagrams.. 2.1 Calculate voltage and current using mesh analysis, nodal analysis Thevenin’s theorem, super position theorem. 2.2 Calculate the impedance required to transfer maximum power from a given ac circuit. 3.1 In an ac circuit given voltage and circuit parameters differentiate and calculate average power, reactive and apparent powers. 3.2 Draw the power triangle. 3.3 Calculate power factor and calculate capacitance needed for power factor correction. 4.1 Define series resonance. 4.2 Calculate resonance frequency, bandwidth cut off frequency. 4.3 Calculate voltages current, Q factor at resonance. 4.4 Define parallel resonance unity power factor and maximum impedance conditions.. 4.5 Calculate parallel resonance frequencies, bandwidth and cut off frequencies 4.6 Calculate voltages and current and Q factor at parallel resonance. Electrical and Telecommunications Engineering Technology_EET1222/ET242 5. Calculate voltage current and power in 3-phase balanced Y and Delta 5.1 Given the 3-phase Delta or Y connections. connected balanced systems identify line and phase parameters. 5.2 Given 3- Phase Delta or Y connected generator phase or line voltages and load parameters, calculate voltage, current and power in the 3-Phase balanced loads. 6. Calculate turns ratio, reflected impedance voltage current power in 6.1 Define the function of an ideal ideal transformers. transformer. 6.2 Explain the relationship of voltage current and power between the primary and secondary. 6.3 Calculate turns ratio, reflected impedance, voltage and current on one side given the values on the winding. 7. Wire ac circuits from a schematic 7.1 Use oscillators multi-testers and and measure voltage, current and phase angle using multitesters and oscilloscope. 7.2 Measure voltage, current period, phase oscilloscope. shift. 8. Analyze experiment results and write reports on a timely and 8.1 Take data in a professional manner. 8.2 Analyzing results, write reports using professional manner. computers. Electrical and Telecommunications Engineering Technology_EET1222/ET242 WEEK/TOPIC READING ASSIGNMENT HOMEWORK PROBLEMS & LAB EXPERIMENTS 1. Orientation Sinusoidal Alternating Waveforms Generation, Frequency, Period, Phase Instantaneous, Peak, Peak-to-Peak, Average, Effective values, AC Meters 2. Responses of R,L, and C Elements to AC input, Capacitive and Inductive Reactance 3. Average Power and Power Factor Complex numbers Pages 537-573 Chapter 13 10-18, 30-32,39 47,48 LAB: Orientation Pages 587-603 4. Phasors-Polar and Rectangular Formats, P to RX. Conversion, R to P Conversion 5. Series AC circuits analysis using phasors (R-L, R-C, R-L-C) Ohm’s Law, Kirchhoff’s Voltage Law, Voltage Divider Rule, Frequency response 6. Parallel AC Circuits Analysis using phasors (R-L, R-C, R-L-C) Kirchhoff’s Current Law, current Divider Rule, Admittance and Susceptance Frequency Response, Equivalent Circuits, Dual Trace Oscilloscope Phase Measurements. 7. Series-Parallel Circuits, Reduction of Series Parallel circuits to series circuits, analysis of ladder circuits. Pages 621-626 Chapter 14 4-6,10-11, 13, 15-18 LAB: Characteristics of a sine wave Chapter 14 28,29,32-34 LAB: Dual Channel Oscilloscope and Audio Oscillator Chapter 14 37,39,41-46,,52,55,56 LAB: R-L-C components Chapter 15 2-7, 8-11,14,15 LAB: Frequency Response of R, L, and C components 8. Selected Network Theorems for AC Circuits-Source conversion, Mesh Analysis Nodal Analysis 9. Thevenin’s Theorem, Superposition Theorem, Maximum Power Transfer Theorem Chapter 17 Pages 741-761 Pages 604-621 Pages 635-661 Pages 666-688 Chapter 15 23,28-30,36,43 LAB: Frequency Response of Series R-L Networks Pages 711-725 Chapter 16 1-8,10,12-14 LAB: Frequency Response of Series R-C Networks Chapter 17 2-4,5-7,17,20 LAB: Midterm Chapter 18 1-4.7,13-16,23,44,45 LAB: Phase Measurments Pages 783-803 809-813 Electrical and Telecommunications Engineering Technology_EET1222/ET242 WEEK/TOPIC 10. Power-True, Reactive and Apparent Power, Power Factor Correction Wattmeter, Effective Resistance READING ASSIGNMENT Pages 835-855 11. Series Resonance including Q Factor Selectivity, Bandwidth Pages 867-881 12. Parallel Resonance including selectivity, bandwidth, effect of Q. Pages 881-898 13. 3 Phase Systems Y and Delta Connections, Power-3 Wattmeter and 2 Wattmeter Methods (Balanced systems) Pages 1029-1052 14. Transformers including Turn Ratio; Voltage Transformer, Current Transformer, Reflected Impedance and Power. Pages 987-996 HOMEWORK PROBLEMS Chapter 19 2-6,10-13,16-18 LAB: Series Sinusoidal Circuits, RL and RC Chapter 20 1-12 LAB: Series Sinusoidal Circuits, RLC Chapter 20 13-22 LAB: Series Resonance Chapter 23 1-5, 10-12,18, 30-34 44-47 LAB: Parallel Resonance Chapter 21 1-4,8,12 LAB: Low Pass Filters LAB: Final Exam 15. Review and Final Exam New York City College of Technology Policy on Academic Integrity Students and all others who work with information, ideas, texts, images, music, inventions, and other intellectual property owe their audience and sources accuracy and honesty in using, crediting, and citing sources. As a community of intellectual and professional workers, the college recognizes its responsibility for providing instruction in information literacy and academic integrity, offering models of good practice, and responding vigilantly and appropriately to infractions of academic integrity. Accordingly, academic dishonesty is prohibited in the City University of New York and at New York City College of Technology and is punishable by penalties, including failing grades, suspension, and expulsion. The complete text of the College policy on the Academic Integrity may be found in the catalog.