Electric Machines I – Roots In Observation I – Beginnings I – Foundations Of Electromagnetism I – The Dawn Of Electrodynamics I – Early Electric Generators I – Early Electric Motors I – Alternating Current I – Power Electronics: Scope And A Brief History I – Structure Of The Power System I – Outline Of The Text I – Chapter Principles Of Electromagnetism And – Electromechanical Energy Conversion – Introduction I – Magneticfield Laws I – Permeability And Magneticfield Intensity I – Magnetic Circuits I – Flux Linkages, Induced Voltages, Inductance, And Energy I – Hysteresis Loop – Eddycurrent And Core Losses – Energy Flow Approach – Field Energy – Multiply Excited Systems – I Reluctance Motors – Doubly Excited Systems – Salientpole Machines – Round Or Smooth Airgap Machines – Machinetype Classification – Ppole Machines – Problems – Chapter Power Electronic Devices And Systems – Introduction – Power Semiconductor Devices – Control Characteristics Of Power Devices – Power Semiconductor Diodes – Power Transistors – The Thyristors – Power Electronic Systems – Power Integrated Circuits And Smart Power – Problems – Chapter Directcurrent Motors .