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LTC settings of a Power transformer

LTC settings of a Power transformer

LTC settings of a Power transformer

(OP)
I have a question regarding the tap Changes of power transformer
Is the bandwidth of the tap changer specified in volts on a 120v base or in percentage of the secondary voltage of the transformer?
I have been trying to get some spec of manufacturer, but it seems so hard to get
 

RE: LTC settings of a Power transformer

The control generally works on a 120 V base, so the bandwidth is in volts on a 120 V base.

RE: LTC settings of a Power transformer

(OP)
Is there a document that states that? something like a spec

RE: LTC settings of a Power transformer

Bandwidth in volts is easier to work with. If in percentage, say, 2.333333%, then you have to calculate it then get 2.8V

RE: LTC settings of a Power transformer

Quote:

Try the tapchanger control instruction manual
I would expect that the 120V base is not international but is restricted to North America.

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