Split-phase delivery

103

02:58:27

Here you see the so called "split phase" system. This is mainly used in the U.S.A. These one phased transformers (usually fixed to a pole), use a center tap on the secondary coil. This center tap is connected to earth, "splitting" the voltage in equal, but 180° lagged voltages. The voltage between phase and neutral, is 120V (rms). This is used for ordinary devices. For the heavy stuff, they use the 2 phases, which will be a voltage of 240V (rms).

published 7 years ago

hurz

7 years ago

All your AC circuits needs an update for the peak voltage. Here you have 7.2kV which suppose to be 10.2kV to get correct 2 times 170V at secondary side.

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