Title:
RETURN CURRENT ANALYZER
Document Type and Number:
Japanese Patent JP2017171143
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a return current analyzer which improves the visibility of the display of return current measurement results and calculates physical quantities useful for analyzation.SOLUTION: A return current analyzer acquires current measurement data 41 with a current measurement data acquisition program 21, calculates new and useful secondary data 43 of unbalance tolerance dose Δβ or ground total leak amount ia by adding the measurement value to an unbalance factor Δα with a secondary data calculation program 24, further acquires track condition data 42 with a track condition acquisition program 23, displays the data values of 41-43 on the screen with a fluctuation graph or displays them on the screen by overlapping with a track diagram, and specifies a time zone on a graph display screen to update display values over a time zone on a track diagram display screen.SELECTED DRAWING: Figure 1
Inventors:
NOGUCHI TAKAFUMI
UEHARA HIROYUKI
NEGISHI JUN
UEHARA HIROYUKI
NEGISHI JUN
Application Number:
JP2016059944A
Publication Date:
September 28, 2017
Filing Date:
March 24, 2016
Export Citation:
Assignee:
HIGASHI NIPPON RYOKAKU TETSUDO
DAIDO SIGNAL CO LTD
DAIDO SIGNAL CO LTD
International Classes:
B61L25/08; B61K13/00; B61L1/18
Attorney, Agent or Firm:
Kaori Sato