February 19, 2017

What are the advantages of Three Phase Systems?

Three-phase systems offer several advantages:

  1. For a given amount of power transmitted through a system, three-phase systems require conductors with a smaller cross section than single-phase systems. This means saving copper (or aluminum) and thus lowers original installation costs. In addition, the weight of cables in a three-phase system is lower, also lowering the installation costs. 
  2. Two voltages (phase voltage/line voltage) are available. 
  3. When compared to single-phase motors, three-phase motors, as loads, are very robust, relatively cheap, are generally smaller, have self-starting properties, provide a steadier output, and require little maintenance.


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