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ECE 1270: Introduction to Electric Circuits

ECE 1270: Introduction to Electric Circuits. Lecture 1 Introduction Chapter 1 Circuit Variables. ECE 1270: Introduction to Electric Circuits. Overview of Electrical Engineering Power Systems (Classical ECE) Generators : nuclear, hydro (water), thermal (coal,gas)

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ECE 1270: Introduction to Electric Circuits

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  1. ECE 1270: Introduction to Electric Circuits Lecture 1 Introduction Chapter 1 Circuit Variables

  2. ECE 1270: Introduction to Electric Circuits • Overview of Electrical Engineering • Power Systems (Classical ECE) • Generators: nuclear, hydro (water), thermal (coal,gas) • Power Lines: transmission lines, distribution • Grid System and Managment: efficient distribution of electric power, redundancy to avoid black outs • ECE 4900 (Power Systems (?)) by Dr. Larry Zeng

  3. ECE 1270: Introduction to Electric Circuits • Overview of Electrical Engineering • Control Systems • Regulate and control processes • Control what? temperature (thermostat), pressure, flow rate (oil refinery), fuel-air mixture in cars, motors, doors, switches (everywhere), autopilot, sprinkler system and irrigation system • ECE 4100 (Control Systems) by Dr. Larry Zeng

  4. ECE 1270: Introduction to Electric Circuits • Overview of Electrical Engineering • Computer Systems • Computing: Pocket calculators, computers, supercomputers, embedded processors • Processors: Central Processing Unit (CPU), Microcontroller unit (MCU), Digital Signal Processor (DSP) • ECE 3610 (Digital Systems), ECE 3710 (Embedded Systems), ECE 4710 (Real-Time Systems) by Dr. Fon Brown

  5. ECE 1270: Introduction to Electric Circuits • Overview of Electrical Engineering • Signal Processing • Transform electric signals into information: process data from satellites, CT scanners, MRI, smart phones • ECE 3210 (Signals and Systems), ECE 4210 (Digital Signal Processing) by Dr. Larry Zeng

  6. ECE 1270: Introduction to Electric Circuits • Overview of Electrical Engineering • Communication Systems • Generate, transmit and distribute information: radio, cell phones/smart phones, satellite communication systems, radio telescopes, wireless communication • ECE 3110 (Microelectronics I), ECE 3120 (Microelectronics II) by Dr. Justin Jackson, ECE 4410 (Communication Circuits and Systems) by Dr. Chris Trampel

  7. ECE 1270: Introduction to Electric Circuits • Overview of Electrical Engineering • Sensors and Sensor electronics: gather data to be processed later • Electromagnetics: classical study of electrostatics (capacitors), magnetostatics (inductors) and Maxwell’s equations

  8. Electrical Engineering: Multidisciplinary Field Smart Cars and Autonomous Driving

  9. Electrical Engineering: Multidisciplinary Field Smart Homes and Energy Efficiency

  10. Electrical Engineering: Multidisciplinary Field Biomedical Engineering and Health Improvement Ref: STMicroelectronics

  11. Electrical Engineering: Multidisciplinary Field Airplanes and Safety

  12. Common SI Units TABLE 1.2 Derived Units in SI

  13. Power of Ten TABLE 1.3 Standardized Prefixes to SignifyPowers of 10

  14. Electric Effects: Voltage and Current Positive Charge Negative Charge Voltage is due to separation of Charge=Electric Force Current is due to motion of Charge=Electric Flow

  15. Figure 1.5 An ideal basic circuit element

  16. Passive Sign Convention + i - • Current flows from positive terminal to negative terminal (positive charge moves from positive to negative)It can be a Resistor, Capacitor, Inductor or in general any circuit element

  17. Assessment Problem 1.4

  18. Figure 1.6 Power

  19. Problem 1.15

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