Answer / ghanshyam singh

we don't use wave trap in feeder, it's used in the GSS for creating connection between two GSS's.
actually we use the same power line for sending our voice and power both.

thus wave trapper is used to modulate our voice to the frequency of our power, i.e. 50 hz.

why should be the frequency is 50 hz only why not others like 45, 95 56 or anything , why should we maintain the frequency constant if so why it is only 50

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