EE203-SUNYBuffalo-12-Chapter10-03

EE203-SUNYBuffalo-12-Chapter10-03 - SMALL for Big Things...

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Unformatted text preview: SMALL for Big Things University at Buffalo SMALL for Big Things University at Buffalo nanobioSensors & MicroActuators Learning Lab The State University of New York nanobioSensors & MicroActuators Learning Lab The State University of New York Recall: Chapter 10.4 Complex Power EE 203 Circuit Analysis 2 Lecture 12 Chapter 10.5 Power Calculations Complex Power Kwang W. Oh, Ph.D., Assistant Professor SMALL (Nanobio Sensors & MicroActuators Learning Lab) Department of Electrical Engineering University at Buffalo, The State University of New York 215E Bonner Hall, SUNY-Buffalo, Buffalo, NY 14260-1920 Tel: (716) 645-3115 Ext. 1149, Fax: (716) 645-3656 kwangoh@buffalo.edu, http://www.SMALL.Buffalo.edu (VA) Apparent Power EE 203 Circuit Analysis 2 | Spring 2008 | Prof. Kwang W. Oh | EE@SUNY-Buffalo Lecture 12 | Chapter 10 | 3/5 | 1/12 EE 203 Circuit Analysis 2 | Spring 2008 | Prof. Kwang W. Oh | EE@SUNY-Buffalo Lecture 12 | Chapter 10 | 3/5 | 2/12 SMALL for Big Things University at Buffalo SMALL for Big Things University at Buffalo nanobioSensors & MicroActuators Learning Lab The State University of New York nanobioSensors & MicroActuators Learning Lab The State University of New York Complex Power Complex Power Complex Power EE 203 Circuit Analysis 2 | Spring 2008 | Prof. Kwang W. Oh | EE@SUNY-Buffalo Lecture 12 | Chapter 10 | 3/5 | 3/12 EE 203 Circuit Analysis 2 | Spring 2008 | Prof. Kwang W. Oh | EE@SUNY-Buffalo Lecture 12 | Chapter 10 | 3/5 | 4/12 SMALL for Big Things University at Buffalo SMALL for Big Things University at Buffalo nanobioSensors & MicroActuators Learning Lab The State University of New York nanobioSensors & MicroActuators Learning Lab The State University of New York Example 10.1 EE 203 Circuit Analysis 2 | Spring 2008 | Prof. Kwang W. Oh | EE@SUNY-Buffalo Complex Power: Alternate Forms Lecture 12 | Chapter 10 | 3/5 | 5/12 EE 203 Circuit Analysis 2 | Spring 2008 | Prof. Kwang W. Oh | EE@SUNY-Buffalo Lecture 12 | Chapter 10 | 3/5 | 6/12 SMALL for Big Things University at Buffalo SMALL for Big Things University at Buffalo nanobioSensors & MicroActuators Learning Lab The State University of New York nanobioSensors & MicroActuators Learning Lab The State University of New York Example 10.5 (1) EE 203 Circuit Analysis 2 | Spring 2008 | Prof. Kwang W. Oh | EE@SUNY-Buffalo Example 10.5 (2) Lecture 12 | Chapter 10 | 3/5 | 7/12 EE 203 Circuit Analysis 2 | Spring 2008 | Prof. Kwang W. Oh | EE@SUNY-Buffalo Lecture 12 | Chapter 10 | 3/5 | 8/12 SMALL for Big Things University at Buffalo SMALL for Big Things University at Buffalo nanobioSensors & MicroActuators Learning Lab The State University of New York nanobioSensors & MicroActuators Learning Lab The State University of New York Example 10.6 (1) Example 10.6 (2) Load 1 absorbs (+) an average power of 8 kW (P = 8000W) at a leading power factor 8000W of 0.8 (pf = 0.8 = cos( ), current leads voltage ICE: capacitive load - j) S1 = 8000 - j8000(0.6/0.8) Load 2 absorbs (+) 20 kVA (S = 20 kVA) at a lagging power factor of 0.6 (pf = 0.6 = lagging 0.6 cos( ), current lags voltage ELI: inductive load + j) S2 = 20000(0.8) + j 20000(0.6) 20000(0 EE 203 Circuit Analysis 2 | Spring 2008 | Prof. Kwang W. Oh | EE@SUNY-Buffalo Lecture 12 | Chapter 10 | 3/5 | 9/12 EE 203 Circuit Analysis 2 | Spring 2008 | Prof. Kwang W. Oh | EE@SUNY-Buffalo Lecture 12 | Chapter 10 | 3/5 | 10/12 SMALL for Big Things University at Buffalo SMALL for Big Things University at Buffalo nanobioSensors & MicroActuators Learning Lab The State University of New York nanobioSensors & MicroActuators Learning Lab The State University of New York Example 10.6 (3) Example 10.6 (4) ( ) = 0o pf = 1 cos( ) = 1 |S | = P |S| = P + jQ – jQ = P EE 203 Circuit Analysis 2 | Spring 2008 | Prof. Kwang W. Oh | EE@SUNY-Buffalo Lecture 12 | Chapter 10 | 3/5 | 11/12 EE 203 Circuit Analysis 2 | Spring 2008 | Prof. Kwang W. Oh | EE@SUNY-Buffalo Lecture 12 | Chapter 10 | 3/5 | 12/12 ...
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