Three Phase Induction Motor
Subject and UNIT: Electrical Machines II: UNIT III: a. Three Phase Induction Motor Engineering Electrical Machines - II
Hence while finding the condition for maximum torque, remember that the only parameter which controls the torque is slip s.
Three Phase Induction Motor
Subject and UNIT: Electrical Machines II: UNIT III: a. Three Phase Induction Motor Engineering Electrical Machines - II
The torque produced in the induction motor depends on the following factors. 1. The part of rotating magnetic field which reacts with rotor and is responsible to produce induced e.m.f. in rotor. 2. The magnitude of rotor current in running condition. 3. The power factor of the rotor circuit in running condition.
Subject and UNIT: Electrical Machines II: UNIT III: a. Three Phase Induction Motor Engineering Electrical Machines - II
The normal transformer has no air gap as against this an induction motor has distinct air gap between its stator and rotor.
Three Phase Induction Motor
Subject and UNIT: Electrical Machines II: UNIT III: a. Three Phase Induction Motor Engineering Electrical Machines - II
Let us study the effect of slip on the following rotor parameters. 1. Rotor frequency 2. Magnitude of rotor induced e.m.f. 3. Rotor reactance 4. Rotor power factor 5. Rotor current
Subject and UNIT: Electrical Machines II: UNIT III: a. Three Phase Induction Motor Engineering Electrical Machines - II
The difference between the two speeds i.e. synchronous speed of R.M.F. (Ns) and rotor speed (N) is called slip speed.
Subject and UNIT: Electrical Machines II: UNIT III: a. Three Phase Induction Motor Engineering Electrical Machines - II
The speed of this rotating magnetic field is synchronous speed, NS r.p.m.
Stator, Rotor
Subject and UNIT: Electrical Machines II: UNIT III: a. Three Phase Induction Motor Engineering Electrical Machines - II
Basically, the induction motor consists of two main parts, namely 1. The part i.e. three phase windings, which is stationary called stator. 2. The part which rotates and is connected to the mechanical load through shaft called rotor.
Three Phase Induction Motor
Subject and UNIT: Electrical Machines II: UNIT III: a. Three Phase Induction Motor Engineering Electrical Machines - II
Key Point Such slip rings and brush assembly plays an important role in the working of slip ring induction motor.
Production, Speed, Direction | Three Phase Induction Motor
Subject and UNIT: Electrical Machines II: UNIT III: a. Three Phase Induction Motor Engineering Electrical Machines - II
The rotating magnetic field can be defined as the field or flux having constant amplitude but whose axis is continuously rotating in a plane with a certain speed.
Three Phase Induction Motor | Electrical Machines
Subject and UNIT: Electrical Machines II: UNIT III: a. Three Phase Induction Motor Engineering Electrical Machines - II
An electric motor is a device which converts an electrical energy into a mechanical energy. This mechanical energy then can be supplied to various types of loads.
Electrical Machines
Subject and UNIT: Electrical Machines II: UNIT III: a. Three Phase Induction Motor Engineering Electrical Machines - II
Engineering Electrical Machines - II : UNIT III : Three Phase Induction Motor : Syllabus, Contents
Synchronous Motor | Electrical Machines
Subject and UNIT: Electrical Machines II: UNIT II: Synchronous Motor Engineering Electrical Machines - II
Engineering Electrical Machines - II : UNIT II : Synchronous Motor : Anna University Questions with Answers (Long Answered Questions)