2) zero order derivative spectrophotometry
零阶导数
3) zero-sequence parameter
零序参数
1.
Live line measurement of zero-sequence parameters for transmission lines with mutual inductance;
互感线路零序参数带电测量方法研究
2.
The zero-sequence parameter of transmission lines especially of transmission lines with mutual inductances is of great important in the relay protection setting calculation of power system.
输电线路的零序参数尤其是多回互感线路的零序参数是电力系统继电保护整定计算需要的重要参数,所以其准确测量具有重要意义。
3.
The incremental method, differential equation method and integral equation method are three main methods in zero-sequence parameters on-line measurement of transmission lines with mutual inductance.
增量法、微分法和积分法等互感线路零序参数在线测量方法的共同点是通过多次测量,建立超定方程,利用最小二乘法求解线路参数。
4) nonvanishing functions
非零函数
1.
The landau problem for bounded nonvanishing functions;
有界非零函数的Landau问题
6) zero sequence parameter
零序参数
1.
The principle and method are used that the zero sequence parameters of overhead transmission lines are determined by using voltage and current vectors at the initial terminal, under the condi-tions of open and short circuit at the end.
简要介绍了可用于互感线路零序参数测量的干扰法的理论基础,在架空输电线终端开路和短路的条件下,采用了以起端电压相量和电流相量来确定架空输电线零序波参数的原理和方法,并且首次以干扰法实现了对东北电网两条500 kV 同杆架设输电线路的工频参数测量。
补充资料：零数
1.整数以外的尾数。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条