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

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

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

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

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

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

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

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

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

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

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