The line trap unit employed in carrier current relaying which is turned to carrier
frequency
Offers high impedance to carrier frequency signals and low impedance to power frequency signals
Offers low impedance to carrier frequency signals and high impedance to power frequency signals
Offers low impedance to both carrier frequency and power frequency signals
Offers high impedance to both carrier frequency and Power frequency
signals
Offers high impedance to carrier frequency signals and low impedance to power frequency signals
The line trap unit employed in
carrier current relaying which is timed to carrier frequency offers high
impedance to carrier frequency signal and low impedance to power frequency,
because carrier frequency is about 500 kHz.
Hence
is high
Power frequency = 50 Hz
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