Method derived whereby ordinary 6-electrode rectifier operating as 12phase converter, can be made to take current waveform identical with 24-phase operation, by aid of small auxiliary rectifier connected to interphase transformers necessary to permit 12-phase working. Excerpts from paper "Phase-double Twelve-Phase Connection," before Instn Elec Engrs. (see also Elec Rev v 140 n 3622 Apr 25 1947 p 654-5; Elec Times v 111 n 2894 Apr 24 1947 p 459)
Rectifiers for main-line electrification
Ry Gaz
Railway Gazette ; 86 , n 19
1947
Aufsatz (Zeitschrift)
Englisch
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