On Nov 19, 2004, at 9:45 PM, Will Matney wrote:
One other note of importance I left out. Placing 120 volts on the 100
volt tap will cause more current to be drawn by itself. This is
because the turns per volt will be different and cause the
transformers primary to not have enough inductance for 120 volts.
T2 is designed for 50Hz, 100Vrms. 60Hz, 120Vrms will work just as
well, but then so would 25Hz, 50Vrms - with 2.5v filament tubes, of
course. Similarly, American 120V, 60Hz refrigerators are commonly used
in Asia on 100Vrms, 50Hz. The only difference is that the motor runs
slower on 50Hz, so it takes a bit longer to cool down the contents.
...
Richard L. Measures, AG6K, 805.386.3734. www.somis.org
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