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- Transformer neutral point overvoltage relaying protection main includs nod gap and arrestor protection. In this paper, principle of parameter choice and different function of above-mentioned protection are analysed. 摘要变压器中性点过电压保护装置主要有棒间隙保护和避雷器保护两种，文中分析了这两种保护装置的不同作用和参数选择的原则。
- Neutral point overvoltage 中性点过电压
- It is used in overvoltage such as restrictive transformer, capacitor, electric machinery, vacuum switch, transformer neutral point sealed electrical instruments and cable. 适用于配电、变电系统中,限制可能出现的各种过电压,以保证输变电设备的安全运行。
- The resistance products have various types, and are for different lightning arrester, restrictive transformer, capacitor, electric machinery, vacuum switch, transformer neutral point sealed electrical instruments, cable, and railway line overvoltage. 该电阻片具有多种规格型号,用于组装不同使用场所的避雷器,限制变压器、电容器、电机、真空开关、变压器中性点、全封闭电器、电缆、铁道线路的过电压。
- The neutral point of view is a means of dealing with conflicting views. 中立观点是处理相冲突看法的一种手段。
- Comparison of two grounding methods for 330 kV transformer neutral point. 中性点直接接地330kV变压器中性点两种接地方式比较。
- Vibration above neutral point of stem caused by eddy movement and collision and inhibited by drilling fluid damp during transmitting upward. 涡动和碰撞引起的中性点及中性支以上的振动，在向上传播过程中被钻井液阻尼抑制；
- A system whose neutral point(s) is (are) earthed through impedances to limit earth fault currents. 系统中至少有一个中性点通过具有阻抗的器件接地以限制接地故障短路电流系统。
- Supply transformers for underground coal mine well are earthed at neutral point. 很多地方煤矿在供电方面存在不安全的隐患,向井下供电的变压器中性点接地。
- The designation of any conductors, terminal or any element connected to the neutral point of a polyphase system. 电气上与多相系统中性点连接的任一导体、端子或元件的总称。
- Transformer neutral point , Grounded capacity current, The zero phase-sequence reactor, Killer arcing winding. 作者简介：罗娟(1979-),女，陕西宝鸡人，汉族，硕士研究生，研究方向为电力系统及其自动化。
- This paper defines neutral section and neutral point respectively with effective axial force and ac. 本文还用有效轴力和真实轴力分别定义了中性截面和中和点。
- We strive at all times to meet the policy of using neutral point of view, ensuring our reporting is as fair as possible. 我们一直努力使用中性的观点来撰写,以次保证我们的报道尽可能的公平。
- It was shown that the position of neutral point of pile shaft varied with the consolidation of surrounding soil and the magnitude of pile-head load. 利用该模型分析了大面积堆载下，在桩顶作用大小不同的竖向荷载以及桩侧土达到不同固结度时再施加桩顶荷载情况下，桩身摩阻力的发展变化规律。
- The technique of back EMF induction in BLDC motor is analyzed, the "virtual neutral point" method and the technique of "3-step" start are introduced. 主要分析了反电动势感应方法，并阐述了虚拟中点法和三段式起动技术。
- This paper proposes a new strategy for balancing the neutral point voltage in the process of the three-level inverter vector controlling. 本文主要研究三电平逆变器在电压空间矢量控制过程中中性点电压平衡的控制方法。
- The TV neutral point grounded through a nonlinear resistance is also one of the measures that check the ferroresonance over-voltage. 母线TV初级中性点经非线性电阻接地也是抑制铁磁谐振过电压的措施之一。
- Check the polarity of the stator windings and connections. There can be no checking if the output neutral point is not available. 检查定子绕组的极性及其连接应正确.;中性点未引出者可不检查极性
- In addition, a design method of weighting rod, whichcan ensure neutral point is in weighting rod, and reduce the rod parting nearby neu... 同时，初步解决了加重杆设计问题，确保中和点在加重杆上，有效地减少中和点附近抽油杆断裂问题。
- Analysis results show that location of pile neutral point is the lowest and downdrag caused by NSF is maximal if neglecting working load on pile top. 分析结果表明，不考虑桩顶荷载的中性点位置是最低的，下拽力是最大的。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
