Electrical Machines 1&2

1.Transformers & Induction motors (EM-1)

2.DC and Synchronous Motors (EM-2)

3.DC Machines Short notes (EM-2)-Handwritten Notes Prepared with NPTEL videos

                    DC Machine(Lec. No 21-34)

S.No.         Lecture No.                         Topic

• 1.               21                  Operating Principles of DC Machines

  2.               22                  Constructional Features of DC Machines

  3.               23                  Generated EMF & Torque in DC Machine

  4.               24                  Armature Reaction

  5.               25                  Commutation in DC Machine

  6.               26                  Separately excited DC Generator

  7.               27                  DC Shunt Generator

  8.               28                  Compound DC Generator

  9.               29                  Interconnected DC Generator

  10.               30                  DC Shunt Motor Characteristics

  11.               31                  Starting of DC Shunt Motor

  12.               32                  DC Motor Speed control

  13.               33                  Braking of DC Shunt Motor

  14.               34                  Electronic Control of DC Shunt Motor

Virtual Labs and Corresponding Links

1.IIT Roorkee

Electrical Machines (Simulation)

List of Experiments

1. Familiarization of the electrical machine laboratory apparatus

2. To study the Load Characteristics of DC shunt generator

3. Speed Control of DC motor by field resistance control

4. Speed Control of DC motor by armature resistance control

5. To perform speed control of DC motor by using Ward- Leonard Method of speed control

6. Determination of Transformer equivalent circuit from Open Circuit and Short Circuit Test

7. To study Magnetisation Characteristics of DC shunt generator

8. Speed control of slipring Induction Motor

2.IIT Guwahati

Electrical Machines (Simulation)