EVALUATION SYSTEM FOR RATIO ERROR OF VOLTAGE TRANSFORMER COMPARTATOR USING STANDARD RESISTORS AND EVALUATION METHOD THEREOF

摘要

PURPOSE: An evaluation system for ratio error of voltage transformer compartator and an evaluation method thereof are provided, which can evaluate accuracy and linearity of a voltage transformer comparator. CONSTITUTION: A voltage transformer comparator(100) comprises two terminal thereinside. A first standard resistor(20) is connected to two terminals of the voltage transformer comparator. A second standard resistor(30) is serially connected to the first standard resistor. An AC power source(10) sanctions the AC voltage to the first standard resistor and the second standard resistor.