公开(公告)号：US07863886B2

公开(公告)日：2011-01-04

申请号：US12383908

申请日：2009-03-30

Applicant: Gregory A. Franlin

Inventor： Gregory A. Franlin

IPC: G01R15/18

CPC classification number: G01R33/02 ,  G01R31/02

Abstract: A method for testing a line trap of the type whose blocking characteristics are a function of its resonant frequencies without requiring the line trap to be de-energized along with the transmission line to which the trap is connected by injecting a signal into the transmission line over a range of frequencies including at least one of the line trap's expected resonant frequencies; measuring the magnetic field strength produced by the current through the line trap's main coil and the total current flowing through the line trap, and computing the ratio of the magnetic fields where the ratio is computed over a range of frequencies that includes the expected resonant frequency(s) of the line trap, such that the resonant frequencies are indicated where said ratio is at a local maxima or minima.

Abstract translation: 一种用于测试其阻塞特性是其谐振频率的函数的线陷波器的方法，而不需要通过将信号注入到传输线中而将线路陷阱与陷波器连接的传输线一起断电 包括线路陷阱的预期谐振频率中的至少一个的频率范围; 测量由通过线路陷阱的主线圈的电流产生的磁场强度和流过线路陷阱的总电流，并计算在包括预期谐振频率的频率范围内计算该比率的磁场的比率（ s），使得在所述比率处于局部最大值或最小值的情况下指示谐振频率。