squirrel cage induction motor
The squirrel cage induction motor represents one of the most widely used and reliable electric motors in industrial applications. This robust motor derives its name from its distinctive rotor construction, which resembles a squirrel's exercise cage. The rotor consists of aluminum or copper bars connected by end rings, creating a cage-like structure. When powered, the stator windings create a rotating magnetic field that induces current in the rotor bars, generating electromagnetic force and causing the rotor to spin. The motor's design eliminates the need for brushes or commutators, significantly reducing maintenance requirements. Operating on standard AC power supply, these motors deliver consistent performance across various speed ranges and load conditions. They excel in applications requiring constant speed operation and can handle substantial starting torques. The motor's construction provides excellent thermal characteristics, allowing for efficient heat dissipation during operation. Modern squirrel cage motors often incorporate advanced features such as variable frequency drive compatibility and enhanced energy efficiency ratings. These motors serve countless industrial applications, from powering conveyor systems and pumps to driving fans and compressors in HVAC systems.