Research on parameters of four-phase transmission line and compatibility between four-phase and three-phase power transmission systems

被引：0

作者：

Liu, Guang-Ye ^{[1
]}

Zhou, Xian-Zhe ^{[1
]}

机构：

[1] College of Electrical and Information Engineering, Hunan University, Changsha 410082, Hunan Province, China

来源：

Power System Technology | 2005年 / 29卷 / 21期

关键词：

Electric conductors - Electric potential - Electric power systems - Electric power transmission - Parameter estimation;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The conductor transposition principle and parameter calculation method of four-phase power transmission line with arbitrary conductor configuration are researched, and the compatibility between four-phase and three-phase power transmission systems is analyzed. By means of rolling transposition, the parameter balance of four-phase power transmission line with arbitrary conductor configuration can be implemented. Through calculating the phase-to-phase geometrical mean distance of four-phase transmission line, the computing formulae for inductive and capacitive parameters, which are completely accordant with that for three-phase transmission line, can be obtained. Since the voltages belonging to four-phase system and those belonging to three-phase system can be mutually transformed by four-phase to three-phase transformer while the numbers of phases can also be transformed simultaneously, therefore the compatible cost of hybrid power transmission system, in which three-phase power system coexists with four-phase system, can be reduced. The parameter balance characteristics of four-phase transmission line is better than that of three-phase system, so four-phase transmission line is suitable to high capacity power transmission project with multi-circuit on the same tower.

引用

页码：36 / 40

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