zero phase sequence的例句大全

Furthermore, we considered phasor dynamics of values of negative sequence and zero sequence. Analysis of Unbalance Three-phase Circuit and a Practical Circuit for Judging Phase Sequence

对于发电机的负序和零序，采用了等值的电路模型并考虑了其中电压和电流的相量动态。一种相序判定方法分析及其实用电路

When the zero sequence voltage is below the threshold, this element adopts the recorded voltage of the faulted-phase to replace the zero sequence voltage, and then determine the zero sequence power direction. The simulations use recorded fault data show that this element is correct and reliable.

当零序电压低于门槛值时，依据选相结果，该元件采用保护安装处故障前的故障相电压代替零序电压，进行零序功率方向判别。

Combining with zero sequence current with inverse time characteristics, grounding distance relay is used in earth protection for 220 kV and above lines, instead of phase zero sequence current protection.

在220kV及以上电压等级线路用接地距离保护代替阶段式零序电流保护，并辅之以具有反时限特性的零序电流作为接地保护。

A directional phase-selective element cooperated with the zero sequence reactance relay

配合于零序电抗继电器的方向性选相元件

The properties and selection of the zero-phase sequence current transformer core and tripper for GFCI are in detail described.

详细叙述了漏电开关零序电流互感器及其铁芯，脱扣器的工作特性、材料选用。

In view of the distribution of different frequency in terms of phase-frequency characteristic, the polarity of zero sequence transient current in fault line is demonstrated to be opposite to those in healthy feeders in the selected frequency band ( SFB).

根据线路的相频特性将频率分为不同的区段，论证了在选定频段（SFB）内，小电流接地系统健全线路零序电流极性与故障线路相反；

adaptive accelerating scheme for zero sequence current protection on single-phase reclosing

单相重合闸自适应零序电流加速保护方案

Similarly, fault areas of single-phase ground circuit could be identified by detecting grounding points at the power source and variation of zero sequence admittance value acquired both at ovt cir first time and at the second time.

同理，通过检测第一时间、第二时间接地点电源侧和负荷侧零序导纳值变化，可以确定发生单相接地线路上故障区段。