POWER LOSS MEASURING SYSTEM FOR MEASURING POWER LOSS AT HARMONIC FILTER INCLUDED IN HIGH VOLTAGE DIRECT CURRENTHVDC STSTEM AND METHOD FOR MEASURING POWER LOSS THEREOF

摘要

Disclosed is a power loss measuring system for measuring a power loss at a harmonic filter included in a high voltage direct current (HVDC) system. The power loss measuring system according to the present invention includes the harmonic filter which includes a plurality of elements, a monitoring sensor unit which senses the impedance change of the plurality of elements, and a control unit which obtains a loss of the harmonic filter by using the impedance change amount of the plurality of elements. Accordingly, the present invention can calculates the loss of the harmonic filter by using the impedance change amount of each element comprising the harmonic filter.