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Blondel's Theorem: One Less Connection for Three-Phase Power

Category: PQ Theory

Blondel's Theorem: One Less Connection for Three-Phase Powerfig1-8

Read about Blondel's theorem for three-phase power networks and how it may contradict a common power measurement misconception.


Polyphase power networks are among the most common networks for power transmission. They offer key advantages over single-phase networks. A polyphase system allows the same power to be distributed with less total copper at the same voltage.


It also creates an easily predictable rotating magnetic field in a specific direction, reducing motor design complexity. Power transfer is uniform throughout the cycle and hence will lessen vibrations otherwise seen on single phase motors...


This Whitepaper Includes:

  • Three-Phase Power Measurements

Download White Paper Here