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- 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。
- 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。
- 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。
- A dummy type is defined, to hold the entry point method Main. 定义了一个虚拟类型以容纳入口点方法Main。
- 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。
- In Visual Basic 2005, the Point method no longer exists. 在Visual Basic 2005中,Point方法不再存在。
- An interior point method is used to solve the multi-objective OPF. 并用与系统规模关系不大的内点法对模型进行求解。
- Conclusions The point to point method of quality control can pl... 结论“点对点”的“专项质控”方法对护理质量管理有持续改进的作用。
- 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
- 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。
- Thirdly, the model of Optimal Power Flow (OPF) with UPFC is established, and solved by interior point method. 然后,建立了计及UPFC的最优潮流数学模型,并用内点法进行求解。
- 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。
- However, the global astringency of the interior point method for nonconvex problems is doubtml theoretically. 但在理论上,内点法求解非凸优化问题时的全局收敛性能受到质疑。
- 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。