what is Wave Trap? And its Function ? Detail? Where it is Used?
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Answer Posted / tarun aggarwal ymca
As communication waves are high frequency (and not power frequency) they will act as harmonics towards electrical equipment's like transformer,breaker etc...,so in order to protect them we should connect at entrance (after the CVT) so that wave trap will trap the communication waves.
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Signals from main centers far away from the substations are sent which are captured by the routers placed in substations, these are high frequency signals much higher above the power frequency(in kHz), these signals are then trapped by a coupling circuit and are routed to the fields via underground cables.
They work at higher frequencies and allows power frequency signals to pass through and traps the communication signals and hence are named wave traps. The communication signals captured and decoded contain signals like trip the CB, or change the tap changer or something of the kind.
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