FACTOR DETERMINATION DEVICE, FACTOR DETERMINATION METHOD, FACTOR DETERMINATION PROGRAM, AND COMMUNICATION APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide a factor determination device etc. capable of precisely determining a point as a causing factor of a voltage drop occurring on an electric power supply line from an electrical unit to own unit.SOLUTION: A factor determination device 401 includes a determination part 403 that calculates the reduction ratio of the voltage as time passes in an electric power supply line from an electrical unit to own unit, and determines whether the factor of the voltage drop exists on the electric power supply line or the factor exists at the input side supplying the electric energy to the electrical unit based on whether the calculated ratio is equal to a predetermined value.SELECTED DRAWING: Figure 11