In this paper, the influence of the sectional insulation earth wire on the zero sequence parameters is analyzed in theory.
结合实际分析了分段绝缘地线对线路零序参数的影响以及在线路参数测量时要注意的问题。
The earthing method of the metal sheath varies somewhat in different cable lengths, which affects greatly line parameters, especially zero sequence impedance.
对于不同长度的电缆线路其金属护套的接地方式亦不尽相同，从而对电缆线路参数，尤其是对零序阻抗将产生较大的影响。
Not only the zero-sequence lumped parameters of the transmission lines but also the distributed ones are needed to measure.
电力工程上不但需要知道互感线路的零序集总参数+， 有时还需要知道分布参数。
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