1. 16-1 Copyright © 2003 by John Wiley & Sons, Inc. Chapter 16 Residential and Industrial Applications Chapter 16 Residential and Industrial Applications Significant in energy conservation; productivity

2. 16-2 Copyright © 2003 by John Wiley & Sons, Inc. Chapter 16 Residential and Industrial Applications Improving Energy Efficiency of Heat Pumps Used in one out of three new homes in the U.S.

3. 16-3 Copyright © 2003 by John Wiley & Sons, Inc. Chapter 16 Residential and Industrial Applications Loss Associated with ON/OFF Cycling The system efficiency is improved by ~30 percent

4. 16-4 Copyright © 2003 by John Wiley & Sons, Inc. Chapter 16 Residential and Industrial Applications Inductive Ballast of Fluorescent Lamps Inductor is needed to limit current

5. 16-5 Copyright © 2003 by John Wiley & Sons, Inc. Chapter 16 Residential and Industrial Applications Rapid-Start Fluorescent Lamps Starting capacitor is needed

6. 16-6 Copyright © 2003 by John Wiley & Sons, Inc. Chapter 16 Residential and Industrial Applications Electronic Ballast for Fluorescent Lamps Lamps operated at ~40 kHz

7. 16-7 Copyright © 2003 by John Wiley & Sons, Inc. Chapter 16 Residential and Industrial Applications Induction Cooking Pan is heated directly by circulating currents – increases efficiency

8. 16-8 Copyright © 2003 by John Wiley & Sons, Inc. Chapter 16 Residential and Industrial Applications Industrial Induction Heating Needs sinusoidal current at the desired frequency: two options

9. 16-9 Copyright © 2003 by John Wiley & Sons, Inc. Chapter 16 Residential and Industrial Applications Welding Application Three options

10. 16-10 Copyright © 2003 by John Wiley & Sons, Inc. Chapter 16 Residential and Industrial Applications Switch-Mode Welders Can be made much lighter weight

11. 16-11 Copyright © 2003 by John Wiley & Sons, Inc. Chapter 16 Residential and Industrial Applications Integral Half-Cycle Controllers Used for heating