THREE-PHASE CONNECTIONS


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THREE-PHASE CONNECTIONS
THREE-PHASE CONNECTIONS80. Comparison of one three-phase transformer with a group of single-phase transformers (Standard Handbook for Electrical Engineers) that can be employed for obtaining the same service has been summed up by J. S. Peck as follows. The advantages of the three-phase transformer are (1) lower cost, (2) higher efficiency, (3) less floor space and less weight, (4) simplification in outside wiring, and (5) reduced transportation charges and reduced cost of installation. The disadvantages of the three-phase transformer are (1) greater cost of spare units, (2) greater derangement of service in the event of breakdown, (3) greater cost of repair, (4) reduced capacity obtainable in self-cooling units, and (5) greater dif…
Citation
Terrell Croft; Frederic P. Hartwell; Wilford I. Summers: American Electricians' Handbook, Sixteenth Edition. THREE-PHASE CONNECTIONS, Chapter (McGraw-Hill Professional, 2013), AccessEngineering Export