Electrical and Telecommunications Engineering Technology_EET1222/ET242. Electrical and Telecommunication Engineering Technology

Transcription

1 NEW YORK CITY COLLEGE OF TECHNOLOGY The City University of New York DEPARTMENT: SUBJECT CODE AND TITLE: Electrical and Telecommunication Engineering Technology 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 12 th Ed 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)

2 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: Course Coordinator: Professor J. Bromberg Spring Jbromberg@citytech.cuny.edu Professor M. Kalechman mkalechman@citytech.cuny.edu (718)

3 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 10% 4-5 Exams 40% 1 Final Exam: 30% Lab Reports 20% Letter Grade Numerical Grade Ranges Quality A A B B B C C D F 59.9 and below 0.0

4 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) 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. Assessment 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 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 Calculate parallel resonance frequencies, bandwidth and cut off frequencies 4.6 Calculate voltages and current and Q factor at parallel resonance.

5 Calculate voltage current and power in 3-phase balanced Y and Delta connections. Calculate turns ratio, reflected impedance voltage current power in ideal transformers. Wire ac circuits from a schematic and measure voltage, current and phase angle using multitesters and oscilloscope. Analyze experiment results and write reports on a timely and professional manner. 5.1 Given the 3-phase Delta or Y 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. 6.1 Define the function of an ideal 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. 7.1 Use oscillators multi-testers and oscilloscope. 7.2 Measure voltage, current period, phase shift. 8.1 Take data in a professional manner. 8.2 Analyzing results, write reports using computers.

6 WEEK/TOPIC 1. Orientation Sinusoidal Alternating Waveforms Generation, Frequency, Period, Phase Instantaneous, Peak, Peak-to-Peak, Average, Effective values, AC Meters READING ASSIGNMENT HOMEWORK PROBLEMS & LAB EXPERIMENTS Pages Chapter , 30-32,39 47,48 LAB: Orientation 2. Responses of R,L, and C Pages Chapter 14 Elements to AC input, 4-6,10-11, 13, Capacitive and Inductive LAB: Characteristics of a Reactance sine wave 3. Average Power Complex numbers 4. Phasors-Polar and Rectangular Formats, P to RX. Conversion, R to P Conversion and Power Factor Pages Chapter 14 28,29,32-34 LAB: Dual Channel Oscilloscope and Audio Oscillator 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. 8. Selected Network Theorems for AC Circuits-Source conversion, Mesh Analysis Nodal Analysis Pages Chapter 14 37,39,41-46,,52,55,56 LAB: R-L-C componen ts Pages Chapter , 8-11,14,15 LAB: Frequency Response of R, L, and C components Pages Chapter 15 23,28-30,36,43 LAB: Frequency Response of Series R-L Networks Pages Chapter ,10,12-14 LAB: Frequency Response of Series R-C Networks Chapter 17 Pages Chapter ,5-7,17,20 LAB: Midterm 9. Thevenin s Theorem, Pages Chapter 18 Superposition Theorem, ,13-16,23,44,45 Maximum Power LAB: Phase Measurments Transfer Theorem

7 WEEK/TOPIC 10. Power-True, Reactive and Apparent Power, Power Factor Correction Wattmeter, Effective Resistance 11. Series Resonance including Q Factor Selectivity, Bandwidth 12. Parallel Resonance including selectivity, bandwidth, effect of Q Phase Systems Y and Delta Connections, Power-3 Wattmeter and 2 Wattmeter Methods (Balanced systems) 14. Transformers including Turn Ratio; Voltage Transformer, Current Transformer, Reflected Impedance and Power. 15. Review and Final Exam READING HOMEWORK ASSIGNMENT PROBLEMS Pages Chapter ,10-13,16-18 LAB: Series Sinusoidal Circuits, RL and RC Pages Chapter LAB: Series Sinusoidal Circuits, RLC Pages Chapter LAB: Series Resonance Pages Chapter , 10-12,18, LAB: Parallel Resonance Pages Chapter ,8,12 LAB: Low Pass Filters LAB: 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.