Tester for measuring time limit of electric rail car relay time limit

摘要

PURPOSE: An operation time measurement tester of an electric car time limit relay is provided to increase the reliability and stability of an electric car.;CONSTITUTION: A power source unit(210) supplies power. A testing unit (220) supplies power applied from the power source to a time limit relay. A control unit (250) controls the operation of the time limit relay by applying power from the power source unit to the testing unit. A display unit (240) displays a testing result value of the time limit relay.;COPYRIGHT KIPO 2013;[Reference numerals] (210) Power source unit; (220) Testing unit; (230) Initialization unit; (240) Display unit; (250) Control unit