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Apparatus and process for detecting direct current magnetic flux deflections in an electrical transformer employing Fourier analysis
Apparatus and process for detecting direct current magnetic flux deflections in an electrical transformer employing Fourier analysis
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机译:利用傅立叶分析检测变压器中直流磁通量偏斜的装置和方法
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摘要
An apparatus for detecting direct current magnetic flux deflection of an electrical transformer comprising a magnetic detector for generating an output voltage waveform and Fourier series developer connected to the magnetic detector for developing the output voltage waveform from the magnetic detector into a Fourier series. An even number harmonic detector is connected to the Fourier series developer for detecting an even number harmonic in the Fourier series, thereby determining the presence of a direct current magnetic flux deflection. A process for detecting direct current magnetic flux deflection is also disclosed.
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