The second edition of a bestseller, this book introduces new paragraphs dealing with a plethora of new issues with design and control of existing solutions but also contains new configurations with their modeling for design control for high performance. It provides a comprehensive and coherent self-sufficient source to grasp the basic and up-to-date knowledge about main modern commercial and under-development electric generator systems from design through performance and control to optimal design and testing with numerous case studies and numerical example for key applications.