APPLICATION OF KALMAN FILTERS IN DIGITAL RELAYS
| dc.contributor.advisor | Sachdev, M. S. | |
| dc.contributor.advisor | Wood, H. C. | |
| dc.creator | Johnson, Neil Garnis | |
| dc.date.accessioned | 2024-05-28T20:31:19Z | |
| dc.date.available | 2024-05-28T20:31:19Z | |
| dc.date.issued | 1985-08 | |
| dc.date.submitted | August 1985 | |
| dc.description.abstract | The function of a protective relay is to detect a fault in a power system, determine whether the fault is in the relay's zone of protection, and, if necessary, to output a signal to trip one or more circuit breakers. Interest in implementing the relaying function digitally has increased during the last fifteen years. A major part of a digital relay is the digital filter that is used to estimate voltage and current phasors. The capabilities of microprocessors being marketed have been increasing steadily. This has prompted the use of considerably more complex algorithms in digital relays. One such algorithm is the Kalman filter. This project investigates the use of the Kalman filtering technique to estimate voltage and current phasors from sampled data. A major consideration in designing the filters is the reduction of the effects of harmonics and decaying de components which are often present in voltages and currents during faults. Several filters have been developed in this thesis. The importance of modeling all components expected in the inputs has been demonstrated. | |
| dc.identifier.uri | https://hdl.handle.net/10388/15717 | |
| dc.title | APPLICATION OF KALMAN FILTERS IN DIGITAL RELAYS | |
| dc.type.genre | Thesis | |
| thesis.degree.department | Electrical Engineering | |
| thesis.degree.grantor | University of Saskatchewan | en_US |
| thesis.degree.level | Masters | |
| thesis.degree.name | Master of Science (M.Sc.) |