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zero sequence neutral point 中性点零序
The Influence from Neutral Point Eearthing Mode of Transformer to Zero Sequence Protection 变压器中性点接地方式对零序保护的影响
Abstract: Zero sequence directional power protection is widely used in neutral directly grounded system. 文摘:在大电流接地系统中广泛采用着零序功率方向保护。
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。
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。
So a new control strategy is proposed to detect and suppress the influence of zero sequence component injected by DVR. 为此 ,提出了新的控制策略 ,该控制策略通过检测并消除指令中的零序分量 ,以破坏无零序电流回路系统的零序电压正反馈条件 ,消除 DVR注入零序电压的不良影响。
The voltage regulation characteristic of autotransformer,external compensation of zero sequence current for three Y au . 论证自耦变压器的电压调整性能、三Y型自耦变压器的零序电流外补偿、自耦变压器继电保护整定的特殊问题。
Whereas, if it is supplying the unsymmetric burden, the primary currents will be unsymmetric, but only have negative sequence and no zero sequence. 如果二次侧负载不对称，一次侧电流虽不对称，但仅有负序出现，并无零序分量。
This work successfully develops a new intelligent HIF detector that adopts 3I0 zero sequence current to solve HIF problems in aerial lines. 本论文成功地开发一种新的智慧型高阻抗故障侦测器，它利用3I0零序电流侦测架空线的高阻抗故障。
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；
The zero sequence current transformer is full enclosed type. The secondary windings and iron core are insulated by epoxy resin. The middle hole is used for cable going through. 本型零序电流互感器为全封闭式。二次绕组及铁芯均浇注在聚脂树脂内。中间窗孔供三相电缆穿过。
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。
When zero sequence or high secondary harmonic current component appear in the circuit, the total current in the shield is zero, no electromagnetic interference with outside. 当线路出现零序或高次谐波电流分量时，屏蔽层内电流总和为零，不对外界产生电磁干扰。
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。
In this paper, we investigate the iterated order and iterated convergence exponent to zero sequence of the solutions of some classes of differential equations. 摘要本文研究了几类微分方程解的迭代增长级及零点迭代收敛指数。
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。
In normal conditions, there are two causes of maloperation of zero sequence directional protection, i.e, a fault from the device itself and wrong wiring outside the device. 而造成零序方向保护误动的原因无非两种，其一是由于装置本身故障引起的；其二则是由于装置外部接线错误造成的。
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。
The zero sequence impedance of the cable changes with the zero sequence current as the zero sequence current flows in the ground and the sheathing simultaneously. 电力电缆的零序阻抗随零序电流的大小而改变,如果采用恒定值的零序阻抗来进行零序电流保护的整定,容易导致保护的不正确动作。