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Course

Electronics

Comprehensive Guide to Three-Phase Transformers

FREE

4-6 HOURS

NPTEL

 width=This course covers the comprehensive understanding of three-phase transformers, their construction, connections, and applications. It starts with the Sumpner test, a method to determine the equivalent circuit parameters of transformers. The course then explores the two types of three-phase transformers: a bank of three single-phase transformers and a three-phase transformer as a single unit. It further explains the marking of transformer terminals, the connection of primary coils in a star, and the calculation of line-to-line voltage. The course also discusses the concept of transformer connections and vector groups, the importance of maintaining phase sequence, and the concept of balanced three-phase transformers. It concludes with the impact of third harmonic flux and currents in three-phase transformers.

These courses has been developed by Prof. Tapas Kumar Bhattacharya from IIT Kharagpur for NPTEL. It is now accessible through Ansys Innovation Space courtesy of the partnership between Ansys and NPTEL, under the CC BY-SA license. For more details, visit https://archive.nptel.ac.in/courses/108/105/108105155/.
  • Cost:
    FREE
  • Course Duration: 4-6 HOURS
  • Skill Level: Intermediate
  • Skills Gained: Three-Phase Transformers

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