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First editions and even subsequent printings of Vithayathil are often out of print or retained by institutional libraries. Used copies can fetch high prices due to scarcity. Consequently, the digital PDF has become the primary means of access for international students in India, the Philippines, and Africa.
It is an excellent textbook for understanding the core principles of how power electronics work. If you are struggling to understand how an inverter switches or how a thyristor is triggered, this is a great resource. However, for cutting-edge applications or modern device physics, you would need a supplementary text (like Daniel W. Hart or Ned Mohan ). First editions and even subsequent printings of Vithayathil
: The text utilizes over 250 illustrations and examples derived directly from industrial environments, leveraging the author's extensive field experience. It is an excellent textbook for understanding the