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## Main Question or Discussion Point

Hi all.

In the following circuit, z is an inductive load (I mean inductance + resistance).

Here is the table of cosφ measured by power factor meter in different voltages:

Why it's increasing? Isn't cosφ independent of the voltage of the autotransformer?

In the following circuit, z is an inductive load (I mean inductance + resistance).

Here is the table of cosφ measured by power factor meter in different voltages:

Why it's increasing? Isn't cosφ independent of the voltage of the autotransformer?