Ultraczułe przetworniki emisji akustycznej zoptymalizowane do monitoringu wyładowań niezupełnych w transformatorach

• Autorzy: Sikorski W.

Identyfikatory

DOI

10.15199/48.2016.10.03

Warianty tytułu

EN

Ultra-sensitive acoustic emission transducers for partial discharge monitoring in power transformers

• Języki publikacji: PL

Abstrakty

PL

W artykule omówiono prototypowe przetworniki emisji akustycznej, które zostały zoptymalizowane do detekcji i monitoringu wyładowań niezupełnych (wnz) w transformatorach energetycznych. Ich wysoka czułość została potwierdzona w badaniach modelowych wnz, w których dla porównania zastosowano popularne przetworniki komercyjne. Ponadto w artykule omówiono kwestię charakterystycznych częstotliwości sygnałów emisji akustycznej generowanych przez wysokoenergetyczne formy wyładowań niezupełnych (ślizgowych, międzyzwojowych, powierzchniowych, w kanale olejowym).

EN

The paper presents prototype acoustic emission transducers, which were optimized for detection and monitoring of partial discharges (PDs) in power transformers. Their high sensitivity was proven in PD model research, in which popular commercial transducers were used for comparison. Moreover, the issue of characteristic frequencies of acoustic emission signals generated by high energy forms of partial discharges (creeping, turn-to-turn, surface, in oil-duct) was discussed in the paper.

Słowa kluczowe

PL

wyładowania niezupełne; przetwornik piezoelektryczny; emisja akustyczna; transformator energetyczny

EN

partial discharge; piezoelectric transducer; acoustic emission; power transformer

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Przegląd Elektrotechniczny
• Rocznik: 2016
• Tom: R. 92, nr 10
• Strony: 11--16
• Opis fizyczny: Bibliogr. 48 poz., rys., wykr.

Twórcy

autor

Sikorski W.

• Politechnika Poznańska, Instytut Elektroenergetyki, ul. Piotrowo 3a, 60-965 Poznań

Bibliografia

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.