POWER LOSS MEASURING SYSTEM FOR MEASURING POWER LOSS AT HARMONIC FILTER INCLUDED IN HIGH VOLTAGE DIRECT CURRENT (HVDC) TRANSMISSION SYSTEM, AND POWER LOSS MEASURING METHOD THEREOF

摘要

A power loss measuring system (10) for measuring power loss in a harmonic filter (100) included in a High Voltage Direct Current (HVDC) transmission system, the power loss measuring system including: the harmonic filter (100) including a plurality of elements; a monitoring sensor unit (200) sensing variation in impedance of the plurality of elements; and a controller (300) obtaining power loss in the harmonic filter using amount of variation in impedance of the plurality of elements.