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- neutral point ground method 中性点接地方式
- Grinding Parameter Optimization of Conical Drill Point Grinding Method 麻花钻钻尖锥面刃磨参数优化求解
- 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。
- 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。
- In the proposed scheme, a thyristor is placed between the main transformer neutral point and the ground and fired in different ways to achieve the above process. 其典型实施方案是在变电站主变中性点与地之间串入一可控硅,通过控制可控硅的导通方式来实现上述过程。
- The midline bridge is modulated by SPWM method and the voltage of load's neutral point is controlled to be fitting zero-sequence voltage, which can make output voltage symmetry. 对中线桥臂单独采用SPWM方法,控制负载中性点的电压为相应的零序电压,使输出为三相对称电压。
- Multi-objects optimization and fuzzy decision-making strategy of grinder settings for simplified conical drill point grinding method 简化圆锥面刃磨法工艺参数多目标优化及模糊评判
- 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。
- Based on golden section method, the author has established Gan-Chen model which accurately obtain that the position of neutral point and mid-point is located at 0.382 L and 0.618L, respectively. 笔者应用黄金分割原理建立的Gan-Chen模式;能正确地计算出:桩的中和点在0.;382L处; 中性点则在0
- For this method, cut a stem from your favorite rose as described in the Stick in the Ground method. 对于这种方法,降低了来自你最喜欢的玫瑰所述木棒在地上的方法。
- 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。
- Conclusion: Ball grinding method is the best meth... 结论:在本实验考察范围内,球磨法为最佳制备方法。
- 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。
- Finally,the influences of th is edge grinding method over the shape of main edge and chisel edge of drill point are analyzed. 最后,分析了该刃磨方法对钻尖主刃和横刃形状的影响。
- 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。