Analysis of Transient Response of ZPW-2000A Jointless Track Circuit Considering Frequency Variation

Table 1

Lightning resistance of signal system.

Device	Port	Shock withstands voltage/kV
Power box	Power terminal	5 ∼ 8
Discrete component	(Resistance, capacitance) circuit	3 ∼ 5
Tuning matching unit	Rail side to cable side	15
Signal cable	Core pair shielding layer	10
	Core pair	15