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Transposition and Voltage Unbalance in High Phase Order Power Transmission Systems

机译：高相序输电系统中的换位和电压不平衡

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High phase order systems have been proposed at the early inception of power transmission engineering, but few direct applications have been made. High phase order transmission should be considered as an alternative in the case of high power density applications. In this article, an analysis of transposition of high phase order overhead transmission lines is presented and voltage unbalance in high phase order systems is considered. Definitions are presented for "fully transposed" and "roll transposed" along with advantages and disadvantages of each. A generalized voltage unbalance factor is introduced and utilized to determine the benefits of transposition. The generalized voltage unbalance factor is compared with three other possible unbalance factors to determine if the generalized voltage unbalance factor is an appropriate indication of unbalance. Exemplary results are presented for 6-phase and 12-phase designs. Conclusions show that the generalized voltage unbalance factor is a good indication of transmission line voltage unbalance and certain configurations may not need full rotation transposition to minimize the unbalance factor. The transposition analysis and voltage unbalance are considerations in the assessment of high phase order as a high power transmission alternative.
机译：在电力传输工程的早期就已经提出了高阶有序系统，但是很少有直接的应用。在高功率密度应用中，高相序传输应被视为替代方案。本文对高相序架空传输线的换位进行了分析，并考虑了高相序系统中的电压不平衡。给出了“完全转置”和“滚动转置”的定义，以及各自的优缺点。引入了通用的电压不平衡因数，并将其用于确定换位的好处。将广义电压不平衡因子与其他三个可能的不平衡因子进行比较，以确定广义电压不平衡因子是否是不平衡的适当指示。给出了六相和十二相设计的示例性结果。结论表明，广义的电压不平衡因数很好地表明了传输线电压不平衡，某些配置可能不需要完全旋转换位以使不平衡因数最小。换位分析和电压不平衡是评估高相序作为高功率传输替代方案时要考虑的因素。

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