SPECIAL TRANSFORMER CONNECTIONS


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SPECIAL TRANSFORMER CONNECTIONS
SPECIAL TRANSFORMER CONNECTIONS91. Transformers connected for transforming from three-phase to two-phase or the reverse are illustrated in Fig. 5.59, which shows what is known as the Scott connection. The transformers required are special, and each has a lead brought out from the middle point of the high-tension winding, and a special voltage tap giving 86.6 percent of the high-tension winding is arranged. Usually two transformers just alike are purchased so that they will be interchangeable. These special transformers can be purchased from any of the large manufacturers. Those shown are Westinghouse transformers. Two standard single-phase transforme…
Citation
Terrell Croft; Frederic P. Hartwell; Wilford I. Summers: American Electricians' Handbook, Sixteenth Edition. SPECIAL TRANSFORMER CONNECTIONS, Chapter (McGraw-Hill Professional, 2013), AccessEngineering Export