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间歇性弧光
相关语句
  intermittent arc
     Measures of Reducing Intermittent Arc Grounding Overvoltage
     降低间歇性弧光接地过电压的措施
短句来源
     According to analysis of the frequent faults of capacitive voltage transformer(CVT), the writer finds the type of CVT continue to use some CVT's elements in 110kV and some desegn concepts. It isrit fit to neutral uneffective earthing system. Overvoltage is easy to make CVT thermal puncture when intermittent arc earthing happens.
     通过对频繁发生的 35kV电容式电压互感器故障的分析 ,发现此类型互感器沿用 110kV以上电容式电压互感器的部分元件和某些设计概念 ,不适用于中性点非有效接地系统 ,易在间歇性弧光接地时发生过电压造成互感器热击穿 ,提出了相应的改进意见
短句来源
     Models of intermittent arc grounding and voltage limiter are established in PSCAD/EMTDC,and simulation results testify the effectiveness of over-voltage suppression with proposed methods.
     在PSCAD/EMTDC中建立了间歇性弧光接地和限压器的简化仿真模型,仿真结果证明了新策略消除弧光过电压和谐振过电压的有效性。
短句来源
     By analyzing the accident phenomenon,the conclusion has been made that the accident was caused by single-phase intermittent arc earthing in 10kV system.
     通过事故现象,分析了事故原因是10kV系统发生单相间歇性弧光接地引起的。
短句来源
  “间歇性弧光”译为未确定词的双语例句
     THE RESEARCH OF THE MECHANISM OF SINGLE PHASE INTERMI?TTENT ARC EARTHING OVERVOLTAGE(SECTION 2)
     单相间歇性弧光接地过电压机理的研究(二)
短句来源
     Research on the Mechanism of Single Phase Intermittent Arc Earthing Over Voltage(Section Ⅰ)
     单相间歇性弧光接地过电压机理的研究(一)
短句来源
     In theory, it pointed out that measure can decrease the probability of the arc grounding over voltage only, but can't removal it at all.
     首先深入研究分析了6~66KV中性点非直接接地系统间歇性弧光接地过电压对电力系统电气设备造成的危害,从原理上指出了该措施仅能减少弧光接地过电压的概率,不能从根本上消除弧光接地过电压的原因。
短句来源
  相似匹配句对
     Measures of Reducing Intermittent Arc Grounding Overvoltage
     降低间歇性弧光接地过电压的措施
短句来源
     Research on the Mechanism of Single Phase Intermittent Arc Earthing Over Voltage(Section Ⅰ)
     单相间歇性弧光接地过电压机理的研究(一)
短句来源
     SURGICAL TREATMENT OF INTERMITTENT EXOTROPIA
     间歇性外斜视的手术治疗
短句来源
     The choice of surgery opportunity on the intermittence exotropia
     间歇性外斜视的手术时机选择
短句来源
     Measures on Arcing Ground Over-voltage
     弧光接地过电压的限制措施
短句来源
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In underground etectric network the mechanism of single phase intermittent arc earthing over-voltage and the protection of over-voltage are still the important problems demanding to be promptly sotved for coat nines. This articte firstly analyses the difference of the earthing arcing conditions between surface overhead network and the underground cable network. Then it gives several observation resutts of analog earthing arcing in cable network. It points out that even very small ground current could also produce...

In underground etectric network the mechanism of single phase intermittent arc earthing over-voltage and the protection of over-voltage are still the important problems demanding to be promptly sotved for coat nines. This articte firstly analyses the difference of the earthing arcing conditions between surface overhead network and the underground cable network. Then it gives several observation resutts of analog earthing arcing in cable network. It points out that even very small ground current could also produce very high overvoltage, and in network of small ground current the singte phase arc earthing is principally expressed as high frequency arc suppressing. In the section 3, the mathematical statistical method is employed to make statistical inference and characteristic analysis of overvoltage indexes and a series of significant resutts is obtained.

井下电网单相间歇性弧光接地过电压机理及过电压的防护,一直是煤矿井下亟待解决的一个重要课题。本文首先分析了地面架空电网与井下电缆电网接地燃弧环境的差异,接着给出了几种模拟电缆电网接地燃弧的观察结果。指出:即使很小的接地电流也会产生很大的过电压,而且在小接地电流电网中单相弧光接地主要表现为高频熄弧。本文的第三部分应用数理统计方法,对过电压指标进行了统计推断及特征分析,得出一系列有实际意义的结果。

According to analysis of the frequent faults of capacitive voltage transformer(CVT), the writer finds the type of CVT continue to use some CVT's elements in 110kV and some desegn concepts. It isrit fit to neutral uneffective earthing system. Overvoltage is easy to make CVT thermal puncture when intermittent arc earthing happens. At the same time, the writer raises valuable suggestions.

通过对频繁发生的 35kV电容式电压互感器故障的分析 ,发现此类型互感器沿用 110kV以上电容式电压互感器的部分元件和某些设计概念 ,不适用于中性点非有效接地系统 ,易在间歇性弧光接地时发生过电压造成互感器热击穿 ,提出了相应的改进意见

This paper introduces the characteristic of configuration of zigzag grounding transformers.Based on that,the mode of zigzag grounding transformers the in distribution network with low resistance via neutral grounding is presented.It analyzes the principle of the mode limiting overvoltage due to intermissive arc grounding,the mounting position of zigzag transformers and arrangement principle of earth protection in the distribution network.Moreover,the influence to tansformer differential protection in this mode...

This paper introduces the characteristic of configuration of zigzag grounding transformers.Based on that,the mode of zigzag grounding transformers the in distribution network with low resistance via neutral grounding is presented.It analyzes the principle of the mode limiting overvoltage due to intermissive arc grounding,the mounting position of zigzag transformers and arrangement principle of earth protection in the distribution network.Moreover,the influence to tansformer differential protection in this mode is discussed and some countermeasures are proposed.

接地变最大的功能就是创造了一个中性点用来连接接地电阻,使不接地系统能够将中性点集聚的多余电荷快速地释放掉,从而限制了内部过电压倍数。系统经接地变接地后,装设的接地保护对零序电流具有足够的灵敏度,为快速切除接地故障提供了可能性。从Z型变结构特点入手,讨论了中性点不接地系统经Z型变及小电阻接地后限制间歇性弧光过电压的原理,Z型变主要安装形式,Z型变及接地电阻选型。并讨论了经Z型变接地后,反映系统单相接地的保护配置,以及对主变压器差动保护的影响及对策。

 
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