Keywords: Klokgetal Dy5.jpg Diagram of the clock number of a 3-phase transformer indicating as multiples of 30° the phase shift between the primary and secondary voltage of a three-phase transformer The diagram shows a representation of a transformer with clock number of 5 The primary vector V of the primary coil triangle points to 12 and vector v of the secondary star to 5 hours so that in this case a phase shift of 5×30° <math> </math>150° is present nl wikipedia 2006-12-18 Franciscus wikipedia nl Franciscus original upload log page nl wikipedia Klokgetal_Dy5 jpg 2006-12-18 20 43 Franciscus 364×376×8 20956 bytes <nowiki>Door de auteur Franciscus zelf ontworpen en getekende afbeelding zonder auteursrechten </nowiki> diagram Transformer schemas |