Dear friends I have uploaded pdf on power electronics by m d singh and k b khanchandani. If you are searching for the same pdf, you can download it. I hope this pdf will help you. Let me know if you need more for your courses.
Following chapters are listen in this ebook:

1. Power Electronics System-An Overview

2. Thyrister-Principles and charactersticks

3. Gate Triggering Circuits

4. Series and parallel operation of thyrister.

5. Power Semiconductor Device

Download to see complete chapter list.

Note: Attachment link has been removed due to copyright issue.