1) zero sequence TV
零序TV
1.
Through the analysis on the cause and the damage of arousing 35 kV system ferromagnetic resonance over-voltage,has Sumed up various measure about guarding against 35 kV system ferromagnetic resonance over-voltage from many years,has suggested that the zero sequence TV is the best measure to guard against the 35 kV system ferromagnetic resonance over-voltage.
简述了引起35kV系统铁磁谐振过电压的原因及其危害,总结多年来防止35kV系统铁磁谐振过电压的各种措施,提出采取35kV零序TV防止35kV系统铁磁谐振过电压的最佳措施。
2) zero sequence
零序
1.
Analysis of longitudinal zero sequence direction protection misoperation and its countermeasures;
纵联零序方向保护误动原因分析及其对策
2.
Protection against earth short-circuit of responding negative sequence component and zero sequence component of power network;
反应电网负序和零序量的接地短路保护
3.
The varying relationship between the unbalance and the lagging phase of the negative sequence from the positive is compared according to the various values of the zero sequence.
本文讨论了电力系统电压不平衡度的几种工程近似计算方法,对在零序分量取值不同情况下的不平衡度随正、负序分量相位差变化的规律进行了比较,分析了影响各种算法精度和误差的因素,指出各种算法的适用范围。
3) zero-sequence
零序
1.
Analysis and countermeasure of leapfrog trip in main transformer zero-sequence protection
一起主变零序保护越级跳闸事故分析与处理
2.
It proves that the operation of zero-sequence current protection only depends on the load current and has nothing to do with the fault position,when the wire break fault happens on the 110kV transmission line in a defined network configuration.
针对我局110kV某线路单相断线故障,通过理论公式的推导,证明了网络结构确定的110kV线路发生单相断线故障时,其零序电流保护动作情况只取决于当时的负荷电流大小,与断线位置无关。
4) zero sequence
零[相]序，零序
5) TV norm
TV模
1.
A kind of new method based on TV norm to realize zooming in the picture
一种基于TV模的图像放大新方法
6) zero sequence voltage
零序电压
1.
The relation involves modulation signal and space vector,zero sequence voltage and redundancy vector and so on.
全面分析了三电平逆变器中应用的空间矢量调制法与载波调制法这两类调制方法的内在联系,包括调制信号与空间矢量、零序电压与冗余矢量的分配因子。
2.
Based on the analysis of the characteristics of open phase operational state, a novel open phase protection scheme utilizing the zero sequence voltage of the terminal and the negative sequ.
在分析非全相运行状态特点的基础上,提出了一种基于Powerformer机端零序电压和定子绕组负序电流的非全相运行保护方案。
3.
From analyzing the shape of the wave of the zero sequence current and zero sequence voltage,we acquire which phase fails.
MATLAB是对系统进行仿真,通过零序电流和零序电压的波形对系统进行分析,从而得到哪相发生故障。
补充资料：零序电流互感器
分子式：
CAS号：
性质：剩余电流型漏电保护装置的检测元件。其铁心多是环形的。所有电源线(两根、三根或四根)穿过互感器铁心构成互感器的原边；其二次线圈与极化电磁铁或电子线路联接。正常运行时，互感器一次边各线在铁心中产生的磁通互相抵消，二次线圈不产生感应电动势，漏电保护装置不动作；当后方发生漏电或有人触电时，出现剩余电流，二次线圈产生感应电动势，漏电保护装置动作。纯电磁式剩余电流型漏电保护装置的零序电流互感器必须具有很高的灵敏度。其铁心用铁镍合金或非晶态材料制成。
CAS号：
性质：剩余电流型漏电保护装置的检测元件。其铁心多是环形的。所有电源线(两根、三根或四根)穿过互感器铁心构成互感器的原边；其二次线圈与极化电磁铁或电子线路联接。正常运行时，互感器一次边各线在铁心中产生的磁通互相抵消，二次线圈不产生感应电动势，漏电保护装置不动作；当后方发生漏电或有人触电时，出现剩余电流，二次线圈产生感应电动势，漏电保护装置动作。纯电磁式剩余电流型漏电保护装置的零序电流互感器必须具有很高的灵敏度。其铁心用铁镍合金或非晶态材料制成。
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