全星形自耦变压器结构特殊。造成零序阻抗的特殊性。
Autotransformers with all windings in Y-connection result in a Peculiar Zero-Sequence impedance.
同时还指出平行线路条数变化,零序阻抗均需重新测试。
In the meanwhile it is pointed out that the quantity change of the parallel line and zero-sequence impedance must be retested.
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。
The earthing method of the metal sheath varies somewhat in different cable lengths, which affects greatly line parameters, especially zero sequence impedance.
该方法是将互感线路的伏安特性方程转化为积分形式,并采用了最小二乘法求解方程组,同时得出各线路的零序自阻抗及线路间的零序互阻抗。
The new method turned the volt-ampere characteristic equation of transmission lines into an integral form, then used least square method to solve the equations and got the zero-sequence parameters.
在典型的六相输电系统中,半正序、半零序和半负序故障分量不受系统阻抗变化的影响。
In typical six-phase transmission system, half positive sequence, half zero sequence and half negative sequence fault components are independent of the variance of system impedance.
EMTDC仿真试验结果表明该方法可以准确地实现单相故障选线,并验证了文章对输电线路零序输入阻抗相频特性分析的正确性。
The EMTDC simulations indicate that the method can find out the faulty line correctly and prove that the analysis of the angle-frequency characteristic of zero impedance of the line is correct.
该方法是将互感线路的伏安特性方程转化为积分形式,并采用了最小二乘法求解方程组,同时得出各线路的零序自阻抗及线路间的零序互阻抗。
The new method turned the volt - ampere characteristic equation of transmission lines into an integral form, then used least square method to solve the equations and got the zero-sequence parameters.
该方法是将互感线路的伏安特性方程转化为积分形式,并采用了最小二乘法求解方程组,同时得出各线路的零序自阻抗及线路间的零序互阻抗。
The new method turned the volt - ampere characteristic equation of transmission lines into an integral form, then used least square method to solve the equations and got the zero-sequence parameters.
应用推荐