| Title |
Analysis of the Harmonic Resonance in Primary Restorative Transmission Systems Using EMTDC |
| Authors |
이경섭(Lee K.S.) ; 박성민(Park S.M.) ; 송인준(Song I.J.) ; 이남호(Lee N.H.) ; 배주천(Bai J.C.) ; 황봉환(Whang B.W.) ; 이흥재(Lee H.J.) |
| Abstract |
Power system restoration following a massive or complete blackout starts with energizing of primary restorative transmission lines. During this primary restoration, inexpected overvoltage may happen due to nonlinear interaction between the unloaded transformer and the transmission system. This is known as the harmonic resonance phenomenon that may cause burning out of transformer or other devices. By now the harmonic resonance is reported in the extra high voltage system. This paper reports the detection of the resonance in Korean power system. Basic analysis and simulation of the harmonic overvoltage is presented using EMTDC. |