Motor Basics-I

Motor Basics-I

Motors vs Engines:

             

              • Motors convert electrical energy to mechanical energy.

  • Engines convert chemical energy to mechanical energy.

Motors:

            • Advantages

1.       Low Initial Cost.

2.       Simple & Efficient Operation

3.       Compact Size – cubic inches/Hp

4.       Long Life – 30,000 to 50,000 hours

5.       Low Noise

6.       No Exhaust Emissions

7.       Withstand high temporary overloads

8.       Automatic/Remote Start & Control

• Disadvantages

1.       Portability

2.       Speed Control

3.       No Demand Charge

Magnetic Induction:

1.       Simple Electromagnet 2.       Like Poles Repel 3.       Opposite Poles Attract

Operating Principle: