Unit IV

Topics

• Induction machine and synchronous machine working principle →
• Working principle of 3-Phase induction motor →
• Concept of slip in 3-Phase induction motor →
• Torque-slip characteristics of 3-Phase induction motor →
• Types of losses in electrical machines →
• Construction →
• Classification & Working Principle of DC machine →
• Applications of DC machine →
• induction machine and synchronous machine →