APPARATUS AND METHOD FOR TIME SYNCHRONIZATION OF AUTOMATION SYSTEM

摘要

The present invention relates to an apparatus and a method for time synchronization in a substation automation system. According to an embodiment of the present invention, the time synchronization apparatus in the substation automation system comprises: a communication unit for receiving the data obtained from a substation power facility and transmitting the control signal of the power facility; a GPS information receiving unit for receiving information on GPS time synchronization from at least one GPS signal receiving unit; a system time information unit for obtaining time information on the system; and a control unit for detecting an error in receiving the GPS information from the GPS information receiving unit and performing time synchronization by sending the obtained system time information to the power facility. [Reference numerals] (11) Communication unit; (12) System time information unit; (13) Control unit; (14) Storage unit; (15) Display unit; (16) Input unit; (17) GPS information receiving unit