kakadiatapan


{ City } anad
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why characteristics of overcurrent relay is time-->psm instead of time-->current?

ABB,

Electrical Engineering 1640



Answers / { kakadiatapan }

Question { 5481 }

wwht is wave trap used in ht line


Answer

the duty of the wavetrap is
-communication between two stations
-it differentiate the high frequency signal(communication wave) on a power line
it is only used in a condition when no mobile network or satelite is not working in case of some disaster.

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