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On the application of αβ-transformation for power systems frequency relaying

المؤلفSoliman, S.A.
المؤلفAlammari, R.A.
المؤلفEl-Hawary, M.E.
تاريخ الإتاحة2024-05-23T05:12:38Z
تاريخ النشر2001
اسم المنشورLESCOPE 2001 - 2001 Large Engineering Systems Conference on Power Engineering: Powering Beyond 2001, Conference Proceedings
المصدرScopus
المعرّفhttp://dx.doi.org/10.1109/LESCPE.2001.941637
معرّف المصادر الموحدhttp://hdl.handle.net/10576/55330
الملخصThis paper presents a new and very accurate algorithm for power system frequency measurement. The proposed algorithm is based on αβ-transformation of the three phase voltages or current waveforms in the relay location, where digital samples are available for the three phase waveforms. Having obtained the digital samples of one of the components, α-β components, the finite divided difference formulae are used to calculate the parameters of one of these components; the magnitude, the frequency and phase angle. The necessary formulae are derived within the text and effects of imbalance and harmonics contamination on the waveforms are discussed within the text.
اللغةen
الناشرInstitute of Electrical and Electronics Engineers Inc.
الموضوعEngineering
Industrial engineering
Divided difference
Frequency relaying
Phase angles
Power system frequencies
Relay location
Three phase
Three phase voltage
Wave forms
Algorithms
العنوانOn the application of αβ-transformation for power systems frequency relaying
النوعConference Paper
الصفحات120-124


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