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Turn‐to‐turn fault monitoring methods in electrical power transformers—State of the art

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List of symbols and abbreviations: CT, Cu Negative Sequence; OLTC, On‐Load Tap‐Cha Sequence Component; SC, Search Coil; SFRA Symbols: N1, Primary winding turns number ZPos, Positive sequence impedance; VNeg, Ne… Click to show full abstract

List of symbols and abbreviations: CT, Cu Negative Sequence; OLTC, On‐Load Tap‐Cha Sequence Component; SC, Search Coil; SFRA Symbols: N1, Primary winding turns number ZPos, Positive sequence impedance; VNeg, Ne Transformer turn ratio; iz, Short circuit curre Phase‐to‐phase voltages at the triangle side; transformer star winding; L12, Leakage induc sequence current at star side; 3u0, Sum of the in the triangle winding; ie1, ie2, ie3, Summati primary side; T, Sampling interval; ESC, Induc

Keywords: turn turn; methods electrical; monitoring methods; turn fault; sequence; fault monitoring

Journal Title: International Transactions on Electrical Energy Systems
Year Published: 2018

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