Relations between phase-sequence current and voltage on open phase running in electric power system;
电力系统非全相运行时相序电流和相序电压的关系
Study on dual characteristic of two kinds open phase running;
两种非全相断线对偶性的研究
According to the fault case,the effect of singe-phase fault and open phase to transformer neutral ins.
结合实例,分析了单相短路和非全相运行时对不接地变压器中性点绝缘的影响,以及各种短路故障时接地变压器的耐热稳定性和耐动稳定性。
When replacing operative boxes and disconnectors,the configuration problems of many relative circuits are discovered,such as pressure blocking,spring prevention,open-phase trip and so on.
为实现高压系统控制与保护系统的双重化配置,电力系统在保护双重化的基础上,同步进行了断路器操作回路的双重化配置,在操作箱及断路器的更换过程中,遇到了诸如压力闭锁、防跳、非全相跳闸等相关回路的配置等问题,对实际工作值得分析以及进行相应的处理。
Discussion on some protection problem about power line operating with phase failure;
线路非全相运行时保护问题探讨
This article describes phasor diagram analysis on two sides of 10 kV distribution transformer with phase failure operation by symmetrical component method.
针对10kV配电变压器的缺相运行,采用对称分量法对变压器高、低压侧断线分别进行了分析,得出各侧电压、电流的各序分量,较全面总结了配电变压器非全相故障运行特征。
The non-full phase operation of generator for a long time can seriously damage generator.
发电机长期非全相运行会受到严重损害,小浪底水电站在生产运行期间曾多次出现220 kV开关非全相保护动作,通过分析电气控制回路、检查开关机械结构和采取必要的试验等手段,成功找出了故障原因,并有效地解决了问题。
Smearing product result from the synthesis of partial strands during the process of polymerization of nascent strands.
缓解这种PCR扩增异常现象的途径包括抑制非全长链的合成,以及在重复扩增之前去除模板中的非全长链成分。