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neutral point ungrounded
相关语句
  中性点不接地
     Zero-order Voltage and Current on a Neutral Point Ungrounded Electric Network
     中性点不接地电网零序电压和零序电流的研究
短句来源
     Based on the analysis of the zero-order voltage and zero-order current on a neutral point ungrounded electric network in monophase short circuited to ground, a zero-order current distribution diagram in monophase short circuited to ground has been obtained. The result was a supplementary ans further research on zero-order current, and provided condition for designing perfect monophase grounded protector.
     对中性点不接地电网发生单相对地短路时的零序电压、零序电流进行了分析,得到了单相对地短路时零序电流分布图,补充和深化了有关零序电流的研究,为研制完善的单相接地保护装置提供了条件.
短句来源
     The paper puts forwards the cause of single phase grounding failure in the neutral point ungrounded system of high resistivity in surface mine and method to judge the grounding phase by analyzing and discussing the three single phase grounding failures in neutral point ungrounded system.
     通过对中性点不接地系统三种单相接地故障假象的分析和讨论 ,提出在高电阻率露天矿山中性点不接地系统发生单相接地故障的原因与差别接地相的方法
短句来源
     This method has successfully solved the difficulity of the single-phase-to-ground fault location for the neutral point ungrounded system owing to the fact that there is no fault current circuit.
     该方法成功解决了中性点不接地系统单相接地故障时,由于没有故障电流回路而造成测距困难的问题。
短句来源
     It is difficult fo select wire when there be single phase grounded fault in neutral point ungrounded system.
     中性点不接地系统发生单相接地故障时,信号微弱,不易选线,对于谐振接地系统选线更加困难。
短句来源
  “neutral point ungrounded”译为未确定词的双语例句
     The reform of 6kV neutral point ungrounded power system
     6kV小电流接地系统改造
短句来源
  相似匹配句对
     The Analysis of Neutral Point Forming Transformer
     中点形成变压器的分析
短句来源
     CORRECT UNDERSTANDING OF THE PIPE-STRING NEUTRAL POINT
     正确认识管柱“中和点”
短句来源
     HARMONOC CURRENT DISTRIBUTION IN NEUTRAL-POINT-UNGROUNDED SYSTEMS
     零序网络中的谐波电流分布
短句来源
     M a point on C;
     C→C ̄*是等距映射使;
短句来源
     Extreme Point of f(x) and f~n(x)
     连续函数f(x)与{f(x)}~n的极值
短句来源
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In this paper the track of neutral-point displacement is discussed theoretically when phase-line grounding and/or phase-line disconnection is occured in a distribution transformer network with neutral-point ungrounded. The multiple of overvoltage was checked progressively by simulation tests and a feasible measure for safety operation was suggested from the vieaw point of restraining overvoltage.

本文从理论上探讨了配电变压器中点不接地网络在相线接地或相线断线情况下,中点位移的轨迹。通过模拟实验进一步验证了过电压的倍数,并从抑制过电压的角度提出了切实可行的安全用电措施,

Based on the analysis of the zero-order voltage and zero-order current on a neutral point ungrounded electric network in monophase short circuited to ground, a zero-order current distribution diagram in monophase short circuited to ground has been obtained.The result was a supplementary ans further research on zero-order current, and provided condition for designing perfect monophase grounded protector.

对中性点不接地电网发生单相对地短路时的零序电压、零序电流进行了分析,得到了单相对地短路时零序电流分布图,补充和深化了有关零序电流的研究,为研制完善的单相接地保护装置提供了条件.

U.S. box transformer station " has found wide application due to its a lot of advantages such as good heat diapersing results, less occupied area,low cost,all-insulation, all-seal, maintenance free, higher degree of protection,and free of environmented influence,etc.But the transformer deteriorates in its insulating properties because of carbonation of insulation oil by the action of breaking arc;the switching ring network load switch could lead to a short power failure and affect users; power failure of 10KV...

U.S. box transformer station " has found wide application due to its a lot of advantages such as good heat diapersing results, less occupied area,low cost,all-insulation, all-seal, maintenance free, higher degree of protection,and free of environmented influence,etc.But the transformer deteriorates in its insulating properties because of carbonation of insulation oil by the action of breaking arc;the switching ring network load switch could lead to a short power failure and affect users; power failure of 10KV distribution system and neutral point ungrounded system,as well as voltage unbalance on LV side of a transformer,could lead to equipment failure;failure to realize automation;the auther puts forward some comments on improvement,giving a reference to readers.

虽然“美式箱变”有着散热效果好、占地面积小、造价低、全绝缘、全封闭、免维护、防护等级高、不受外界环境影响等优点,已被广泛应用,但因存在绝缘油受分断电弧炭化,使变压器绝缘性能恶化,和转换环网负荷开关造成短时断电,影响用户。文章就10kV配电系统,中性点不接地系统一相断电,变压器低压侧电压不平衡而引起设备故障,以及无法实现自动化功能等问题,而提出改进意见。

 
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