1) zero sequence active power
零序有功功率
2) zero sequence power
零序功率
1.
Method of fault line selection based on zero sequence power;
零序功率选线方法的研究
2.
On the basis of analyzing the problems existed in the existing leakage protective equipment,the selective leakage protective system for mine low-voltage electric network taking DSP processor as core and based on zero sequence power direction is presented in this paper.
在分析现有漏电保护装置存在问题的基础上,提出一种以DSP处理器为核心的基于零序功率方向的矿井低压电网选择性漏电保护系统,并重点讨论了该系统的工作原理、硬件结构、软件设计。
3) zero-sequence power
零序功率
1.
On connection correctness of directional zero-sequence power protection of power transformer;
变压器零序功率方向保护接线的正确性分析
2.
Research on inverse time current relay based on the absolute value of zero-sequence power
采用零序功率绝对值构成反时限零序电流保护的方案探讨
4) zero sequence power method
零序功率法
1.
This criterion uses the zero sequence power method(the most efficient method among all stable-state methods) as the main criterion,and the fifth harmonic phase method as the second criterion.
针对现有的小电流接地选线装置选线准确率不高及存在选线死区等问题,通过分析小电流接地系统单相接地时的特性,综合分析各种选线方法,提出以采用目前稳态法中准确度最高的零序功率法为主判据,以5次谐波相位法为二次判据的选线方案。
补充资料:有功功率
正弦交流电路的瞬时功率在一个周期内的平均值。用以表征将电能转换成其他形式能量的平均快慢程度。在单相电路中,有功功率p等于电压有效值u、电流有效值i与它们之间相角差φ余弦的乘积,即p=uicosφ。
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