Southern Power and Industry

Southern Power and Industry

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Assuming a 2300/230 volt transformer, we can get 230 volt 2-wire secondaries by connecting the leads as shown in sketch B ... The expressions WYE and DELTA were derived from the schematic diagrams employed to denote such connections . ... load centers it is desired to step the voltage down to 230 volts 3-wire, 3-phase for service to the several motors at that point. ... connection scheme for an open delta bank is shown in sketch H. In many plants the motor voltage is 460 volts.

Title:Southern Power and Industry
Publisher: - 1952


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