Identification of digital relay protection measuring part elements using time of its tripping

• Autorzy: Andreev Mikhail

Identyfikatory

DOI

10.15199/48.2020.10.12

Warianty tytułu

PL

Identyfikacja części pomiarowej cyfrowego zabezpieczenia przekaźnikowego na podstawie analizy czasu wyłączania

• Języki publikacji: EN

Abstrakty

EN

The main problem preventing the use of digital relay protection mathematical models for real devices setting up is the confidentiality of the information about its internal configuration. This mainly concerns the input circuits (measuring part) of the protection, the components of which introduce the most significant errors. In this case, an arbitrary choice of the configuration may lead to incorrect results. The identification of the internal structure by standard methods, in particular by a real interpolation method, cannot be carried out in practice, due to the need to have input and output signals. In this regard, the purpose of the research was to develop a method of identification according to the time for formation of tripping signal. Identical signals were transmitted to real device and mathematical model of protection. The starting point of the time reference was the moment when the input signal reached a threshold; the final point was the time of tripping command appearance, unlike similar studies, where the time was determined by the closure of the output relay contacts. The research was carried out for 144 different combinations of the measuring part elements: auxiliary converters, analog filters, digital finite impulse response filters. As a result, the combination in which the smallest deviation from the tripping time of the real device was observed in all studied modes was selected as the most ‘optimal’. Performing such comparisons is the main way to make the model closer to real protection.

PL

Analizowano cyfrowe zabezpieczenie przekaźnikowe I jego model matematyczny przy założeniu, że nie jest znana jego struktura wewnętrzna. Zaproponowano metodę identyfikacji bazując na pomiarze czasu między przekroczeniem przez sygnał wejściowy wartości progowe a wyłączeniem.

Słowa kluczowe

EN

relay protection; identification; setting up; mathematical simulation

PL

cyfrowe zabezpieczenie przekaźnikowe; czas wyłączania

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Przegląd Elektrotechniczny
• Rocznik: 2020
• Tom: R. 96, nr 10
• Strony: 71--75
• Opis fizyczny: Bibliogr. 15 poz., rys., tab.

Twórcy

autor

Andreev Mikhail

• Tomsk Polytechnic University, 30, Lenin Avenue, Tomsk, Russia

Bibliografia

• [1] Andreev, M., Ruban, N., Gordienko, I., Borovikov, Yu., Gusev, A., Sulaymanov, A. “All-Regimes Simulation of Relay Protections in Electrical Power Systems”. Tomsk, Tomsk Polytech. University Publ., (2016), pp. 180 (In Russian).
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• [3] Romaniuk, F., Rumiantsev, V., Novash, I., Rumiantsev, Y., & Boiko, O. (2016). Comparative assessment of digital filters for microprocessor-based relay protection. Przeglad Elektrotechniczny, 92(7), 128-131.
• [4] Novozhilov, A., Yussupova, A., Assainov, G., Novozhilov, T., & Manukovsky, A. (2018). Sources of independent power supply for protection relay. Przeglad Elektrotechniczny, 94(5), 23-26.
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• [10] Andreev, M., Gusev, A., Sulaymanov, A., Borovikov, Yu., “Setting of relay protection of electric power systems using its mathematical models” in IEEE PES Innovative Smart Grid Technologies (ISGT-Europe) Conference pp. 1-6. http://doi.org/10.1109-/ISGTEurope.2017.8260093.
• [11] Andreev, M., Suvorov, A., Askarov, A., Kievets, A., “The Problem of Digital Relay Protection Numerical Simulation and Its Analog-Digital (Hybrid) Solution” in Russian Electromechanics, 2018, vol. 6, n. 61, pp. 77–83. (in Russian).
• [12] Andreev, M., Askarov, A., Suvorov, A., “Design of the magnetic hysteresis mathematical model based on Preisach theory” in Electrical Engineering, 2019, vol. 101, n. 1, pp. 3-9. http://doi.org/10.1007/s00202-018-0751-3.
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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).