A Least Error Squares Technique For Determining Power System Frequency
- 1 February 1985
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Power Apparatus and Systems
- Vol. PAS-104 (2) , 437-444
- https://doi.org/10.1109/tpas.1985.319059
Abstract
An algorithm for measuring frequency at a power system bus is presented in this paper. The algorithm is based am the least error squares curve fitting technique and uses digitized samples of voltage at a relay locaticn. Mathematical developnent of the algorithm is presented and the effects of key parameters, that affect the performance of the algorithm, are discussed. The algorithm was tested using simulated data and data recorded fran a dynamic frequency source. Results of sample tests are also presented in this paper.Keywords
This publication has 4 references indexed in Scilit:
- Optimal Estimation of Voltage Phasors and Frequency Deviation Using Linear and Nonlinear Kalman Filtering: Theory and LimitationsIEEE Power Engineering Review, 1984
- A New Measurement Technique for Tracking Voltage Phasors, Local System Frequency, and Rate of Change of FrequencyIEEE Transactions on Power Apparatus and Systems, 1983
- A New Algorithm for Digital Impedance RelaysIEEE Transactions on Power Apparatus and Systems, 1979
- A digital rate-of-change underfrequency protective relay for power systemsIEEE Transactions on Power Apparatus and Systems, 1977