1) lack-phase or fault phase
缺相错相
2) Phase stagger
错相
1.
This paper analyzed the reasons and its dangours of phase failure and phase stagger operation for three-phase asynchronous motor.
分析三相异步电动机产生断相错相运行的原因及其危害性。
3) lack-phase
缺相
1.
In order to insure electric-motor running safely,and to be immune to burn-up while lost its phase,besides of general safe considerations,some other protections should be taken into account such as lack-phase protection,so the rest of this paper will depict why an electric-motor lost its phase and how to deal with the problem.
保障电动机的安全运行,使其在发生缺相时及时停止运行,避免造成电动机烧毁事故,除了需对电动机实行常规保护外,还应有缺相保护。
2.
With the advantages of simple,safe and reliable structure,flexible application,it can be applied to the power protection against the faults including over-current, over-voltage and lack-phase.
提出一种三相电源保护电路,叙述了电路的基本构成和工作原理,给出了具体电路原理图,阐明了电路具体工作过程,介绍了电路的具体调试方法,提供了一种结构简单、安全可靠、应用灵活、可对电源过流、过压和缺相故障实现快速综合保护方案。
4) open-phase
缺相
1.
Improvement of three-phase asynchronous motor open-phase protect function;
三相异步电动机缺相保护功能的改进
2.
After power-flow calculation of 110 kV transmission line with open-phase fault, this paper addresses the precautions during long time operation of open-phase transmission line and main transformer, and analyzes the feasibility of load transfer of open-phase line in closed loop network.
文章通过计算 110kV线路单相缺相故障时的潮流情况 ,阐明了缺相线路及主变压器长时间运行时的注意事项 ,并对缺相线路能否合环倒负荷问题进行了分析。
3.
In this paper,the damage of three-phase asynchronous motor open-phase and overcurrent is introduced.
介绍了三相异步电机长期缺相或断相的原因,以及缺相或断相的严重后果,并详细介绍一款"断相和过流保护器"的工作原理及制作过程。
6) lack phase
缺相
1.
Improvement on Lack Phase Protection Circuit of TV Transmitter;
电视发射机缺相保护电路的改进
补充资料：相错直线
相错直线
skew lines
相错直线曰沈wl云比s;c即e川。。.川”ec，up服砒] 空间中不位于同一平面上的两条直线.相错直线的夹角(明乡e betweent认心skew lines)定义为任何两条分别平行于所给相错直线且通过空间中同一点的直线之间的夹角.如果a，b是两相错直线的方向向量，则此两直线夹角的余弦由 c仍伊”一*月典其 {a 1 1 DI给定. 相错直线的公垂线(c~n perPel侧阮司ar oft从心skew lines)是与所给两直线相交且交角均为直角的直线.任何两条相错直线都有唯一的公垂线.相错直线r=r:+at，，r二r:+b￡:的公垂线(作为两平面的交线)的方程为 ((r一r，)，a，【a，b])=0， ((r一rZ)，b，[a，bl)=0. 相错直线之间的距离(distance比tween twos比w血es)是其公垂线上端点位于所给直线上的线段的长度(或分别包含所给直线的两平行平面之间的距离).相错直线之间的距离由 }((r，一r，).a.bll 1 La，DJI给定.A .B.物a。撰I补注]
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