One embodiment of the present invention discloses a feed line-compensated power transmission apparatus. One embodiment of the present invention, comprises: a feed line provided with horizontally elongated first and second lines and a third line for connecting one end of the first line to one end of the second line; a pair of compensation capacitors which are placed to face each other by connecting one end of the compensation capacitor to the other end of the first line and one end of the other compensation capacitor to the other end of the second line; an input power source for applying a high frequency power source by connecting both ends of the input power source to the other ends of the pair of compensation capacitors, respectively.