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About This Item

 

Full Description

Provides a means for identifying the conductors of 3-phase interconnected systems by the use of hour (clock-face) numbers, taking as a basis the phase sequence, starting from an arbitrary origin, of their applied voltages.
 

Document History

  1. IEC 60152 Ed. 2.0 b:2021


    Designation of phase differences by hour numbers in three-phase AC systems

    • Most Recent
  2. IEC 60152 Ed. 1.0 b:1963

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    Identification by hour numbers of the phase conductors of 3-phase electric systems

    • Historical Version