Non-recursive methods for on-line estimation of voltages or currents and symmetrical components using Kalman filter theory
✍ Scribed by Tadeusz Łobos
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- English
- Weight
- 531 KB
- Volume
- 9
- Category
- Article
- ISSN
- 0378-7796
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✦ Synopsis
Using Kalman filter theory, new nonrecursive algorithms for estimating the fundamental voltage and current waveforms from noise signals are developed and investigated. For non-harmonic random noise, these procedures have much better filter properties than Fourier algorithms, especially with increase in filter order and sampling frequency. The properties of the new methods in the time domain are also better than the Fourier ones. New algorithms for estimation of the symmetrical components are also developed and investigated. The use of the elaborated algorithms for protecting electric power systems has some advantages, owing to the convenient transient response time.