Effects of Distributed Capacitance among XCTD Profiler Transmission Wire on Equivalent Inductance

According to the specific application environment of XCTD,experiments to channel parameters were designed.Comparing compute values and test results,a method was presented which was to estimate the static spiral inductor and distributed resistance. And the transmission wire circuit mode was established. Then,during dynamic conditions,the paper obtained the influence of the distributed capacitance on the coil inductance. The result shows that with the value of distributed capacitance increases,the channel pass band becomes narrower. And with the increasing equivalent inductance,the currents phase is diverter. What is more,when the dynamic parallel capacitance increases,the winding inductance decreases. However,the change of equivalent inductance coil connected in the circuit is nonlinear.