外文翻譯---關(guān)于標(biāo)準(zhǔn)或非標(biāo)準(zhǔn)沖擊波對(duì)電力變壓器的影響的研究-全文預(yù)覽
【正文】 變壓器用標(biāo)準(zhǔn)波形的過(guò)電壓試驗(yàn)時(shí)，由于部分線圈的共振，實(shí)際上線圈的絕緣承受的是（單向或雙向震動(dòng)的）非標(biāo)準(zhǔn)波。為了設(shè)計(jì)絕緣結(jié)構(gòu)，了解貫穿于絕緣結(jié)構(gòu)的電壓變化和針對(duì)特定電壓波形的絕緣強(qiáng)度情況是十分必要的[2]。s, 8181。II研究框架在研究中，線圈受不同種沖擊波作用，并且隨著測(cè)定時(shí)間進(jìn)行線圈的對(duì)地電壓和隨著測(cè)定時(shí)間進(jìn)行線圈之間的電壓將以線圈的不同部分為觀察對(duì)象通過(guò)SIMULINK模塊測(cè)定。s 和 15 181。s 和15 181。s, 8 181。s, 8 181。圖2 10%抽頭時(shí)線圈的對(duì)地電壓最大值的變化情況表2 10%抽頭時(shí)線圈的對(duì)地電壓最大值的變化情況在圖3的(A) 、(B)中,特性曲線表明了0% 抽頭時(shí)的線圈間電壓最大值的集中不同情況和隨著時(shí)間進(jìn)行，線圈間分別在實(shí)際的全波、3 181。針對(duì)0%抽頭線圈的過(guò)電壓響應(yīng)的線圈間最大值的對(duì)比性研究已經(jīng)完成，它是在全波、3 181。觀察結(jié)果被記錄在表III中。s截波、脈沖波、雙脈沖波形和阻尼振蕩波形下的電位分布。 IV實(shí)驗(yàn)結(jié)果的分析一定范圍內(nèi)的實(shí)際波（無(wú)論標(biāo)準(zhǔn)或非標(biāo)準(zhǔn)）和不同的線圈連接方式，以及不同的絕緣特點(diǎn)。截波因?yàn)槠漭^大的振幅而在線圈中部和尾部產(chǎn)生了較高的電壓。為了確保變壓器正常運(yùn)行時(shí)的電壓值在耐雷電沖擊電壓之下，對(duì)比標(biāo)準(zhǔn)和非標(biāo)準(zhǔn)雷電波下絕緣特性的不同是十分必要的[6]?；谶@些大量的研究，對(duì)于制造另一種波形而不是標(biāo)準(zhǔn)波形的需要和愿望在沖擊試驗(yàn)中應(yīng)該被確定并且相應(yīng)的調(diào)整和發(fā)展。s and nonstandard impulse waves. The basis of the transient studies is calculation of transient responses due to application of standard and non standard impulse wave to the transformer winding.II. THE FRAME WORK OF INVESTIGATIONDuring the investigation, the winding is excited with different impulse waves and the potential to ground along with time of occurrence for the coils and potential across the coils with time of occurrence is observed at different parts of the winding for the Simulink based model. The response of the Simulink based model is studied with low resistance with special reference to the tap windings during open end condition (0% tappings) and when the tap windings are in series with the actual winding (10% tappings) against impulse voltage waves. The characteristic curve showing the variation of maximum voltage to ground and their time of occurrence along the winding and variation of maximum voltage across the coils and their time of occurrence along the winding with 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 maximum potential to ground with time of occurrence and 10% tapping. The observations are tabulated in Table II.In Fig. 3, (A) and (B), the characteristic curve shows the variation of maximum voltage across the coils and their time of occurrence along the winding with 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 maximum potential across the coils with time of occurrence and 10% tapping. The observations are tabulated in Table IV.III. INFERENCES1. The maximum potential to ground is observed along the mid winding coi
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