Is 25 kV medium voltage?
Is 25 kV medium voltage? Practical levels of voltage are often referred to as medium voltage, meaning the incoming voltage to the transformer is on the order of 5 kV to 35 kV. Some distribution voltages may exceed 35 kV and would be considered high voltage, but most of the distribution system is within the medium-voltage range.
Why do trains use 25KV?
As you know 25kV is globally accepted voltage level for electric locomotives. Reasons to choose 25 KV instead of 240/415V is that for less voltage like 240V or 415V, flowing current increase to dangerously high value and counductor/Line could be burnt out.