How does transformer taps work?

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SUMMARY

The discussion clarifies that the voltage rating of 13200 V is the correct interpretation of the '13' mentioned in the context of transformer taps. It emphasizes that distribution transformers are typically step-down transformers, which means they convert higher voltages to lower voltages for use in residential and commercial applications. The conversation also highlights the common confusion that can arise from fatigue and arithmetic errors when dealing with electrical specifications.

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janu203
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In the question below i know 200/480 V is rated voltage at primary and secondary side of a transformer, but '13' is what i do not know. Also how does the solution work out? i have tried every possible thing. Thanks(Sorry if i could not phrase my question in accordance to the pattern)

upload_2017-12-4_14-42-38.png
 

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It is not 13, 200 but 13200 V
 
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BvU said:
It is not 13, 200 but 13200 V
omg! what was i thinking. Lack of sleep yesterday night may be causing this weird behavior .
 
janu203 said:
omg! what was i thinking. Lack of sleep yesterday night may be causing this weird behavior .
Possibly:wink:.
I often make ridiculous arithmatic mistakes when I am sleep-deprived.

In practice, distribution transformers are always step-down transformers, so you won't find any 200/480 transformer.
 
I had good use for a 110 -> 220V transformer while living in a developing country...
But I grant that the nameplate didn't say 'distribution transformer':smile:
 

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