ground mode造句

"ground mode"是什麽意思   


  1. Applicability of three deep - well grounding modes
  2. The influence of grinding mode on ore floatation index of wengfu phosphate mine
  3. Discussion on the grounding mode of the secondary sinding of instrument transformers in substation
  4. Small current grounding power system is a popular neutral grounding mode around the world and is widely used in our country
  5. Compare to the traditional current methods , this method is not only immune from neutral grounding modes , but also more bearable to interference
  6. It's difficult to find ground mode in a sentence. 用ground mode造句挺難的
  7. Therefore , the conclusion is valuable to engineering apply , and could be consulted for the selection of the neutral point grounding mode of the civic 10kv network
  8. Wavelet analysis theory and its application in power system have been introduced briefly . this paper gives a general overview of various neutral grounding modes . some existing theories schemes on the fault line selection have been summarized systematically
  9. By analyses and compares , the conclusion is that it would be better to choose high resistance grounding of distribution transformer for hydro turbine in hydro power station . there is no certain conclusion for steam turbine in fossil - fired power plant . getting a clear answer to choose good generator grounding mode still needs practice and time
  10. In the second method , wavelet transform is combined with modal transform , and transient travelling - wave signal is used . after three phase signals are decomposed into their modal components , the wavelet transform coefficient of ground mode can be used to identify approximate position of fault , and the wavelet transform coefficient of aerial mode is used for identifying arrival time of traveling - wave
  11. The problem about neutral - point - grounding mode is an all - around technical problem which associated with not only power system reliability , insulation coordination , electromagnetic interference , but assault safety 。 in china , the neutral grounding modes of the 10kv net involved of none grounding , grounding by arc suppressing coils , resistance grounding or reactance grounding in the past 。 with the development of civic power network , low resistance grounding mode was used to restrain the over voltage , particularly in guangzhou , shanghai , beijing , and zhuhai etc . it was reported that the over - voltage level of low resistance grounding mode is lower than that of arc suppressing coil mode , but the operation carried out the other way 。 at substations in guangzhou and shanghai it was found that the low resistance grounding mode is successful 。 but in some areas , such as zhuhai , substations grounding with low resistance revealed some problems , including power supply reliability rapidly dropping , transmitting line often tripping ; and person safety being threatened 。 so interiorly the grounding mode selection of the 10kv network was disputed , which mainly focused on the fault form of 10kv net grounding , the apply area of suppressing arcing coil grounding mode , power supply reliability level of the two modes , person safety , communication interfere and the workload of maintenance
    爭議點主要是在10kv電網接地故障的形式、消弧線圈接地的應用范圍、兩種運行方式供電可靠性的高低、人身安全、通訊干擾和運行維護工作量等諸多方面。 11 17本論文就是針對以電纜為主的城區10kv電網中性點接地方式的選擇問題進行研究。論文首先對10kv電網的中性點運行各種方式進行分析,比較各方式的特點,然后以重慶儲奇門變電站10kv電網的實際參數來建立數值計算模型,在考慮了電網接地電容電流變化、中性點電阻取值大小、接地點接地電阻值變化等多種影響因素的情況下,對中性點經消弧線圈接地和經小電阻接地方式下電網的過電壓水平和接地點短路電流大小進行了數值計算,其計算結果與電科院所作現場試驗進行了比較。


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