AC & DC Machines
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Follow on Instagram for UpdatesAC & DC Machines Syllabus — Unit-wise Content
The official GTU curriculum for AC & DC Machines (subject code 4352004) as prescribed for Production · Semester 5 divides the course into 5 units, covering 33 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (4352004)Unit 1 DC Motor
- 1.1. Working principle of DC Motor.
- 1.2. Construction of DC Motor.
- 1.3. Types of DC Motors.
- 1.4. Torque-Armature current and Torque- Speed Characteristics of DC Motors.
- 1.5. Speed Control of DC Motor. - Armature and field control.
- 1.6. Specifications and Applications of DC Motors.
- 1.7. Construction of Permanent Magnet DC (PMDC) Motor.
- 1.8. Applications of PMDC Motor.
Unit 2 Brushless DC Motor
- 2.1. Construction and working of Brushless DC (BLDC) motor.
- 2.2. Types of Brushless DC (BLDC) Motors Based on Design – In-runner Brushless DC Motor, Out-runner Brushless DC Motor. Based on Use of Sensor – Sensored BLDC Motor, Sensorless BLDC Motor. Based on No of Poles – Single Pole BLDC Motor, Multi Pole BLDC Motor.
- 2.3. BLDC motor control using driver circuit and microcontroller.
- 2.3. Advantages of BLDC motor over brushed DC motor for electric vehicle applications.
- 2.4. Specifications and applications of BLDC motor. AC & DC Machines Course Code: 4352004
Unit 3 Inductio n Motor
- 3.1. Construction of polyphase Induction Motor (IM), its types - Squirrel Cage Induction Motor (SCIM) and Wound Rotor Induction Motor (WRIM) / Slip Ring Induction Motor.
- 3.2. Rotating magnetic field and working principle of polyphase IM.
- 3.3. Relation between synchronous speed and supply frequency, slip, torque-slip curve, starting torque, running torque and condition for maximum torque.
- 3.4. Necessity of starter in polyphase IM. Types of starters – Direct Online (DOL), star-delta, autotransformer type and rotor resistance starter.
- 3.5. Methods of speed control of SCIM (Squirrel Cage IM) and WRIM (Wound Rotor IM).
- 3.6. Applications and Specifications of polyphase induction motors.
- 3.7. Types of Single-Phase Induction Motor (SPIM).
- 3.8. Principle and working of Split Phase SPIM, Resistance Start SPIM , Capacitor Start SPIM, Capacitor Start & Capacitor Run SPIM Shaded Pole Induction Motor, Fractional Horse Power (FHP) induction motor.
- 3.9. Applications and Specifications of single- phase induction motors. AC & DC Machines Course Code: 4352004
Unit 4 Servo Motor
- 4.1. Working principle and mechanism of servo motor.
- 4.2. Types of servo motor. DC Servo motor – Series motor, Split Series Motor, Shunt control motor, Permanent magnet servo motor. AC Servo Motor – Positional Servo Motor, Continuous rotation servo motor, Linear servo motor.
- 4.3. Servo motor control using driver circuit and microcontroller.
- 4.4. Advantages and disadvantages of servo motor.
- 4.5. Specifications and applications of servo motor.
Unit 5 Stepper Motor
- 5.1. Construction and working of stepper motor.
- 5.2. Types of stepper motor – Permanent magnet stepper motor. Hybrid Synchronous stepper motor. Variable reluctance stepper motor.
- 5.3. Torque equation and characteristics of stepper motor.
- 5.4. Stepper motor control using driver circuit and microcontroller.
- 5.5. Comparison of stepper motor and servo motor.
- 5.6. Specifications and application of stepper motors. AC & DC Machines Course Code: 4352004
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