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1)  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。
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 line selection algorithm
零序功率选线算法
1.
It expounded principles of zero sequence power line selection algorithm and zero sequence power line selection algorithm with compensation,introduced simulation structure of line selection model based on zero sequence power line selection algorithm,and adopted method of simulating operation mechanism of line selection device to simulate and analyze the both line selection algorithms.
文章使用Matlab的Simulink工具箱建立了井下NUS单相接地故障的仿真模型,阐述了零序功率选线算法和带有补偿的零序功率选线算法的原理,介绍了基于零序功率选线算法的选线模型的仿真结构,并采用模拟选线装置运行机制的方式对2种选线算法进行了仿真分析。
5)  zero sequence active power
零序有功功率
6)  zero-sequence power direction
零序功率方向
1.
A new method for online fault location based on the zero-sequence power direction is presented,in which the phase error of zero-sequence voltage and current on faulty line and healthy line is calculated.
提出了基于零序功率方向的在线故障定位方法,判断故障和非故障路径上零序电压和零序电流的相位差,利用全球定位系统(GPS)的秒脉冲为相位获取提供基准,借助通用分组无线业务(GPRS)传送相位信息,实现配电网在线故障定位。
补充资料:零功率反应堆
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性质:只安装堆芯和反射层。在很低功率下使用而不需要冷却系统的反应堆。它的裂变产物放射性活度很低。实验人员可以直接接近活性区,不需笨重复杂的防护设备。这种堆的主要用途是研究反应堆的物理性能,取得设计高功率研究用堆或动力堆所需要的物理数据。

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