Abstract: The present invention relates to a power transformer asset management device and a method thereof, the device according to the present invention including: a full cycle database managing full cycle data of a power transformer; a physical performance evaluation unit performing physical performance evaluation that calculates a health index by analyzing and weighting life information, a failure ratio, operation history, and status information of a preventive diagnosis system from the full cycle data; a risk evaluation unit performing risk evaluation by generating a risk matrix using the physical performance evaluation result; an economic evaluation unit performing economic evaluation by evaluating costs over a full cycle of the power transformer; and an asset management unit establishing an investment plan for replacing the power transformer according to a maintenance priority of the power transformer determined using the physical performance evaluation result, the risk evaluation result, and the economic evalua

Abstract: The present invention relates to a power transformer asset management device and a method thereof, the device according to the present invention including: a full cycle database managing full cycle data of a power transformer; a physical performance evaluation unit performing physical performance evaluation that calculates a health index by analyzing and weighting life information, a failure ratio, operation history, and status information of a preventive diagnosis system from the full cycle data; a risk evaluation unit performing risk evaluation by generating a risk matrix using the physical performance evaluation result; an economic evaluation unit performing economic evaluation by evaluating costs over a full cycle of the power transformer; and an asset management unit establishing an investment plan for replacing the power transformer according to a maintenance priority of the power transformer determined using the physical performance evaluation result, the risk evaluation result, and the economic evalua

Abstract: Disclosed is a method of controlling frequency of a power system by which a frequency of a power system is regulated using high-speed charging and discharging characteristics of a plurality of energy storage systems (ESSs) and a battery state of charge (SOC), the method including: an operation of comparing, by a control unit, first time information and second time information and performing an exit control mode when the first time information (Before_Exit_time) is equal to or less than the second time information (After_Exit_time); an operation of determining, the control unit, an output amount for each ESS for discharging batteries using a battery discharging amount determining function (Exit_control_output( ) function) when a first parameter value (D_time) preset in the exit control mode is a positive value greater than zero and the second time information (After_Exit_time) is equal to or less than a second parameter value (Clear_time); and an operation of discharging, by the control unit, batteries until t

Abstract: Disclosed is a method of controlling frequency of a power system by which a frequency of a power system is regulated using high-speed charging and discharging characteristics of a plurality of energy storage systems (ESSs) and a battery state of charge (SOC), the method including: an operation of comparing, by a control unit, first time information and second time information and performing an exit control mode when the first time information (Before_Exit_time) is equal to or less than the second time information (After_Exit_time); an operation of determining, the control unit, an output amount for each ESS for discharging batteries using a battery discharging amount determining function (Exit_control_output( ) function) when a first parameter value (D_time) preset in the exit control mode is a positive value greater than zero and the second time information (After_Exit_time) is equal to or less than a second parameter value (Clear_time); and an operation of discharging, by the control unit, batteries until t