Generation and Utilization of Electrical Energy

Chapter 12

Refrigeration and Air-conditioning

Objectives

After reading this chapter, you should be able to:

• know refrigeration concept
• understand the principle of refrigeration
• know the air-conditioning process

12.1 Introduction

Energy can be neither created nor destroyed; it can be transferred from one form of energy to another form. The electrical energy is efficiently utilized by converting it into desire form for getting suitable output. Refrigeration and air-conditioning is mainly concerning with mechanical engines but the electrical energy used for the running of machines and for the process of refrigeration and air-conditioning, so that, all electrical engineers must have the knowledge of working of the refrigeration and air-conditioning ...