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 the voltage is in digit of 11/33/132/220/440 please send me on shukrerabbi_abkhalil@rediffmail.com with thanks

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