| Title |
Noise Elimination Algorithm for Detecting Partial Discharge of Generator Stator Winding Considering Relation of Periphery Signals |
| Authors |
Hee-Sang Shin ; Sung-Min Cho ; Chul Kang ; Dong-Sik Kang ; Kook-Hee Cho ; Jae-Chul Kim |
| Keywords |
Partial Discharge ; Noise Elimination ; Stator Winding ; Diagnosis |
| Abstract |
Recently, the importance of supplying the reliable electric power is increasing. therefore, the importance of diagnosis of power equipments is increasing also. Breaking insulation of stator windings is major cause of faults in high voltage generators. On-line PD (Partial Discharge) detection using Capacitive Coupler at stator windings is used widely to diagnose high voltage generators. However, precise PD(Partial Discharge) detection is impossible if detected signals are mixed with PD and noise signal. In this paper, we analyze detected signals using Capacitive Coupler at 13[kV] hydroelectric generator stator winding and suggest not hardware method but noise elimination algorithm for detecting PD of generator stator winding considering relation of periphery signals. |