外文翻譯---關于標準或非標準沖擊波對電力變壓器的影響的研究(參考版)
2024-09-02 17:10本頁面
【正文】 s and 15 181。s, pulsed wave and two impulse waveforms varying in time to chop with damping oscillations for 10% tapping.A parative study has been done on the response of the coils to applied full voltage, chopped impulses at 3 181。s, 8 181。s and 15 181。s, pulsed wave and two impulse waveforms varying in time to chop with damping oscillations for 0% tapping.A parative study has been done on the response of the coils to applied full voltage, chopped impulses at 3 181。s, 8 181。s and 15 181。s, pulsed wave and two impulse waveforms varying in time to chop with damping oscillations for 10% tapping.A parative study has also been done on the response of the coils to applied full voltage, chopped impulses at 3 181。s, 8 181。s and 15 181。s, pulsed wave and two impulse waveforms varying in time to chop with damping oscillations are drawn for both 0% tapping and 10% tapping.In Fig. 1, (A) and (B), the characteristic curve shows the variation of maximum voltage to ground and their time of occurrence along the winding with applied full voltage,chopped impulses at 3 181。s, 8 181。s and 15 181。Study of Effects of Standard and NonStandard Impulse Waves On Power TransformerAbstract This paper aims to highlight the observations made on surge performance of a power transformer. The impulse test on power transformers simulates the conditions that exist in service when a transformer is subjected to an ining high voltage surge due to lightning or other disturbances on the associated transmission line. A simulated nonlinear transformer model helps to analyze the surge response under varying impulse waveforms accurately and so surge modeling of the transformer using MATLAB SIMULINK has been done. For a range of applied waves (both standard and nonstandard) and different winding connections, parison of the insulation characteristics under nonstandard lightning impulse voltage waveforms which represent actual surge waveforms encountered in the field and the characteristics under the standard lightning impulse waveform quantitatively can be made. An investigation on the transformer behavior when subjected to standard and non standard impulse waves is done in this paper. The maximum voltage to ground and maximum voltage across the coils along with the time of their occurrences against different coils for 0% tapping and 10% tapping respectively is recorded and analyzed.Index Terms Modeling, Power Equipments, Standard and Non standar
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