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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Wlodek, R. Florkowski, Z. Zydron, P. |
| Copyright Year | 1994 |
| Description | Author affiliation: Electr. Power Inst., Univ. of Min. & Metall., Cracow, Poland (Wlodek, R.; Florkowski, Z.; Zydron, P.) |
| Abstract | In some cases of partial discharge (PD) measurements it is necessary to improve the signal-to-noise and disturbance ratio, particularly when the measurements are to be carried out on large capacitance objects. The paper presents the partial discharge measurement method based on signal theory. The measuring system presented in the paper can be used in such conditions. It is based on the method of multiple accumulation and averaging of the detected signal, which is the sum of the disturbance signal and of the partial discharge one. After such averaging the PD signal-to-noise-and-disturbance ratio increases and the phase location of the partial discharge signal can be distinguished from the disturbances and noises. The essential theoretical conditions of application of this method are discussed. The computer-aided system for data acquisition and following evaluation is described. The measurement results obtained in controlled model conditions are presented. The discussion of resultant improvement of signal-to-noise and disturbance ratio is given. The critical comparison with other methods which are being used for this aim is presented. |
| Starting Page | 590 |
| Ending Page | 593 |
| File Size | 316943 |
| Page Count | 4 |
| File Format | |
| ISBN | 0780313070 |
| DOI | 10.1109/ICPADM.1994.414079 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1994-07-03 |
| Publisher Place | Australia |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Signal to noise ratio Partial discharges Partial discharge measurement Noise measurement Particle measurements Capacitance measurement Power measurement Fault location Phase noise Noise generators |
| Content Type | Text |
| Resource Type | Article |
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