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- Wavelets transform theory perfected the traveling wave fault location for the fault location precision and accuracy of small neutral earthed system. 小波变换理论完善了行波测距法对小电流接地系统故障测距的精度和准确度。
- small neutral earthed system 小电流接地系统
- Fault Distance Measurement with Traveling Wave for the Single-phase-to-ground Fault in the Neutral Earthed System based on Wavelets Transform 基于小波变换的小电流接地系统的行波测距
- EARTH SYSTEM SCIENCE IN CHINA QUO VADIS? 我国的地球系统科学研究向何处去?
- Hu Yi,Li Jinglu.Effect of DC earthed pole current on the neutral earthed transformer[J].Transformer,1999,36(1):15-19(in Chinese). [1]胡毅;李景录.;直流接地极电流对中性点接地变压器的影响[J]
- non-effectovly earthed system neutral point 中性点非有效接地系统
- Matti Lehtonen, Tapio Hakola. Neutral earthing and power system protection [M].ABB Transmit Oy Publication, Vaasa, Finland 1996. 贺家李;宋从矩.;电力系统继电保护原理[M]
- Substation Design for Low Resistance Neutral Earthing System in 10 kV Distribution Network 10 kV配电网中性点小电阻接地系统变电所的设计
- AC three phase four wire system with neutral earthed 中性点接地的交流三相四线系统
- You may find it easier to put your hair into a small neutral ponytail holder first and then twist the hair until it begins to coil naturally (make sure you hide the ponytail holder under the coils). 这样做你可能会觉得容易一些：先将这部分头发用一根与发色相近的小头绳扎起来，然后旋扭头发直到它能自然盘卷起来（确定你的头绳已经被发髻遮盖住）。
- This article analyzes the selection forms of protection earthed system of low Pressure switch of civil buildings,and studied construction request of guard Wire(PE) earthed system. 分析民用建筑低压配电保护接地系统的选用型式,浅论了系统的保护线(PE)接地装置施工要求。
- Review the Importance of the Earthing System for Hospitals. 再谈医院接地系统的重要性。
- But that access control knowledge is all confined to the Earth System Grid portal. 但是这种访问控制知识完全被限制在Earth System Grid门户中。
- a small neutral state between two rival powers. 在两个敌对势力或国家中间的中立小国。
- The earth system is composed of lithosphere, hydrosphere, biosphere, atmosphere and outer space. 数据分类是数据组织、管理与数据共享工程中不可缺少的基础性工作。
- Supported by high-tech, resonance neutral earthing method is now becoming superior and efficacious than before. 在高新技术支持下,消弧线圈可自动调谐,单相永久接地故障也可自动检出与消除,谐振接地的优点可更好发挥。
- Instrumentation for the Earth System observation and modeling also need to be reinforced. 同时，还需要加强地球系统观测和模拟的平台建设。
- Modern Earth system is Quintuple-epigeospheric system including the anthroposphere. 现代地球系统即为包括人类圈在内的五元地球表层系统。
- Chai,Y.C.,2002.Discussion on interdiscipline and earth system science.Earth Science Frontiers,9 (3):2-4 (in Chinese with English abstract). 柴育成;2002.;浅议学科交叉与地球系统科学
- By analyzing the voltage,current,voltage resonance and current resonance principle in the resonant earthed system,this paper presents the equivalent analysis models of the resonant earthed system. 文章通过实际计算和理论分析,证明了在东明开关站启动调试过程中出现的过电压现象是由系统参数设置不当而发生串联电压谐振引起的。
