Study on a new method for overvoltage measurement using CVT

• Autorzy: Wenrong S. , Heng J. , Hua H. , Chenzhao F.

Warianty tytułu

PL

Analiza nowej metody pomiaru przepięć z wykorzystaniem kondensatorów

• Języki publikacji: EN

Abstrakty

EN

This paper introduces a new method for overvoltage measurements in 500kV power system using capacitor voltage transformer (CVT). It is realized with a voltage sensor installed within CVT as the low-voltage capacitor C3 connection in series with the high-voltage (HV) capacitor C1 and the median-voltage capacitor C2. Simulations studies and laboratory tests in manufactory (NISSIN ELECTRIC WUXI Co., Ltd.) have confirmed the validity and practicability of the technique.

PL

Opisano nowa metodę pomiaru przepięć w sieci 500 KV przy użyciu dzielnika kondensatorowego. Urządzenie sprawdzono w laboratorium.

Słowa kluczowe

EN

capacitor voltage transformer; CVT; overvoltage measurement; low-voltage capacitor C3; electrical technology

PL

przepięcia; pomiar napięcia; elektrotechnika

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Przegląd Elektrotechniczny
• Rocznik: 2011
• Tom: R. 87, nr 9a
• Strony: 321--324
• Opis fizyczny: Bibliogr. 6 poz., rys., tab., wykr.

Twórcy

autor

Wenrong S.

autor

Heng J.

autor

Hua H.

autor

Chenzhao F.

• East China Electric Power Test & Research Institude Company Limited, Shanghai, China, 200437,

Bibliografia

• [1] Billig E., The design of a capacitor votlage transformer, The Proceedings of the Instition of Electrical Enginers, 96 (1949), No. 54, 793-802
• [2] Ghassemi F., Gale P., Cumming T., Coutts C., Harmonic voltage measurements using CVTs, IEEE Transactions on Power Delivery, 20 (2005), No. 1, 443-449
• [3] Iravani M., Wang X., Polishchuk J., Sarshar A., A new method for the ccvt performance analysis using field measurements, signal processing and EMTP modeling, IEEE Transactions on Power Delivery, 9 (1994), No. 4, 1904-1917
• [4] Ghassemi F., Gale P., Clegg B., Cumming T., Coutts C., Method to measure cvt transfor function, IEEE Transactions on Power Delivery, 17 (2002), No. 4, 915-920
• [5] Guo Q., Chen P., Huang H., Study on the transfer overvoltage test of capacitor voltage transformer, Power Capacitor & Reactive Power Compensation, 30 (2009), No. 4, 25-28
• [6] IEC Standard 60-2: High-voltage test techniques. Part 2: measuring sytems. 2nd edition, 1994.