Several coils are connected in series to form Armature Winding in which Voltage is induced. Winding consists of series or parallel connection of coils made of copper. Similar to Stator, Rotor is also made up of Ferromagnetic materials.įig. It is composed of Armature Winding which is connected to the external circuit through Commutator. The inner part of the motor which rotates is called as Rotor. It is composed of two or more permanent magnet pole pieces. The outside part of a motor is called as Stator. Internal view of this type of Motor is shown in the Fig. Application of Voltage produces Torque which results in Motion. It works on the principle of energy conversion i.e. What is DC MotorĭC Motor is a motor which converts DC power into rotary movement and so is the name Direct Current (DC) Motor. This post will discuss in detail about DC Motor, classification of DC Motors, its working principle, applications, advantages and disadvantages. 2-4-3.DC Motor is a type of electric motor that converts electrical energy to mechanical energy.Structure and Characteristics of AC Commutator Motors Structure and Application of Brushless DC Motors Summary of Rotation Principle of DC Motor With a Core Slot Rotation Principle of DC Motor With a Core Slot Rotating Speed of DC Motor And Counter-electromotive Force Reviewing the Principle of DC Motor Rotation 2-2-5 Characteristics of Brushless DC Motors.2-2-4 Wire Connection of Brushless DC Motor.2-2-2 Structure And Application of Brushless DC Motors.However, a star connection is generally used unless special motors are used. The connection type to be employed depends on the operating voltage and how the motor is to be used. 2.28 Achieving the same energized state as that established in a delta connection using a star connection It shows the switching method for applying the same current as that for the delta connection in Fig. The bundled portion of the coils in a star connection is called a neutral point or a common point.Ĭurrent to each coil in a star connection can be controlled, but the switch is turned ON and OFF a little differently.įig. This method is called a Y connection or a star connection. The other method is to connect three coils, U, V, and W, in a block. This method is called a Δ (delta) connection. One method is to connect the coils in a loop as we compared it with the rotor winding of DC motors in Fig. Two connection methods are used for brushless DC motors. Next, an explanation of the coil connection method used in brushless DC motors.
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