Squirrel cage motors operate at nearly constant speed high overload capacity and operates at better power factor. The squirrel cage induction motor has very good speed regulation under varying load conditions.
Diagram of the squirrel cage showing only three laminations the motor rotor shape is a cylinder mounted on a shaft.
Squirrel cage motor diagram.
380 415v 3 phase 50hz insulation system all. Now let us discuss in detail the most common form of induction motor the squirrel cage induction motor. The reason for the name squirrel cage is because of the type of rotor used in these motors. A 3 phase squirrel cage induction motor is a type of three phase induction motor which functions based on the principle of electromagnetism it is called a squirrel cage motor because the rotor inside of it known as a squirrel cage rotor looks like a squirrel cage. However with variable frequency drives these disadvantages can be overcome. These basic parts work together to ensure the smooth performance of this highly efficient electrical device.
This motor is one phase since it is so small a three phase 1 5 hp squirrel motor is illustrated in figure 3b. As shown in the diagram above the parts 1 2 and 8 makes up the stator of the three phase induction motor. 0 55 kw 375 kw duty rating all motors have a maximum continuous duty rating of s1 under rated load. The three phase squirrel cage induction motor is relatively small in physical size for a given horsepower rating when compared with other types of motors. 2 2kw and below. We have seen the classification of a c.
What is squirrel cage induction motor. Motors and discussed in detail the working principle concept behind rotor rotation and many other aspects of induction motor. Internally it contains longitudinal conductive bars usually made of aluminium or copper set into grooves and connected at both ends by shorting rings forming a cage like shape. Disadvantages of squirrel cage induction motor. The picture of a tiny squirrel cage motor illustrating the squirrel cage rotor is shown in figure 3a. The main disadvantage of squirrel cage induction motor is poor speed control and low starting torque.
For duty cycles other than s1 please refer to teco. How to wire a squirrel cage fan i got this cage fan for my cousin had to wire it up for him. Because of its rugged construction and reliable operation the three phase squirrel cage induction motor is widely used for many industrial. The diagram below shows all the basic parts that makes up an ac induction motor. Supply voltage stock motors are designed for operation as below. These fans really come in handy and blow alot of air in the su.
Most of the motors used in industry are induction motors. Parts of a three phase induction motor photo credit. Squirrel cage induction motor ratings. Out of those the majority are of the squirrel cage type. Squirrel cage induction motors have poor. It shows the components of the circuit as simplified shapes and the aptitude and signal links surrounded by the devices.
220 240v 380 415v 3 phase 50hz 3 kw and above. 1 motor frame. Wiring diagram for squirrel cage motor wiring diagram is a simplified tolerable pictorial representation of an electrical circuit.
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