Three transformers connected delta on the primary side and wye on the secondary side,  step the voltage down from 13,200 to 460 volts. Determine the ratio of transformation for  each transformer.

Electric Motor Control
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ISBN:9781133702818
Author:Herman
Publisher:Herman
Chapter4: Symbols
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Problem 7SQ: The symbol shown is a(n) a. iron core transformer. b. auto transformer. c. current transformer. d....
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2. Three transformers connected delta on the primary side and wye on the secondary side, 
step the voltage down from 13,200 to 460 volts. Determine the ratio of transformation for 
each transformer. 

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