Candidates can get Best Electric Machinery and Transformers Books 2018 also a Top List of Main Study Materials for 2017-2018 entrance exam in India.
Electric Machinery and Transformers
Energy Conversion Principle: Magnetic field, Field energy, Mechanical forces and torques in singly-excited and doubly-excited systems, Electric field.
Rotating Machines: Concepts of reluctance and electromagnetic torques, Concept of transformer and speed e.m.f`s. and torque in round-rotor machines.
Transformers: Theory and operation, Phasor diagram, Equivalent circuit, Open circuit and short circuit tests, Regulation, Performance estimation, Auto-transformers, Parallel operation, Three phase transformer connections, Instrument transformers: Current Transformer (CT) and potential transformer (PT); Pulse transformers.
DC Machines: Methods of excitation, Magnetization and operating characteristics of generators, Starters, Speed-torque characteristics of DC motors. Speed control, Losses and efficiency. PM motors.
Induction Machine: Induction motor principle and applications as stepper and brushless motors, Induction motor equivalent circuit, Torque-slip characteristics, Methods of starting, Speed control of 3-phase induction motor.
Polyphase Synchronous Machines: MMF and EMF phasor, Concept of synchronous reactance, Regulation by EMF and MMF methods, Synchronous motor starting and V-curves.
Laboratory Work: DC machines: Constructional features, Characteristics of generators and motors, Speed control, Efficiency. Transformers: Open and short circuit tests, Parallel operation, Harmonics in no-load current.
Induction Machines: No load and Blocked rotor tests, Starters. Synchronous Machines: Regulation calculation by EMF method.