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- Fault line detecting with zero sequence active power and optimization of single phase grounding fault disposing process with neutral grounding via arc extinguishing coil system 零序有功选线与消弧线圈接地系统单相接地故障处理过程优化
- zero sequence active power 单相接地故障
- Analysis on the Reliability of the Zero - Sequence Active Power Faulty Line Identifying Method in Distribution Systems 配电系统零序功率选线法的可靠性分析
- 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。
- The results of experiment and simulation indicate that harmonics,negative and zero sequence current in three phase and f our wire system could be compensated by two types of main power circuits. 实验和仿真结果表明，这两种不同形式的主电路有着各自的特点，均可对三相四线制系统中的谐波、负序及零序电流进行补偿。
- Note 1 Single display the three phase total active power. 注1:单屏显示三相总有功功率。
- 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。
- Keywords: active power filter, voltage type harmonics, load voltage regulaton. 关键词：主动式电力滤波器、电压型谐波、负载电压调整。
- 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。
- Among the twelve zodiac signs, Sagittarius have the most active power. 十二星座中，射手座的人行動力最強。
- The resulting current reference equals to the difference between the instantaneous current of nonlinear load and its fundamental positive sequence active component. 所求得的补偿电流指令为非线性负载电流中除了基波正序有功分量之外的全部电流分量。
- 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。
- 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。
- The series active power filter( SAPF) can compensate the harmonic distortion caused by voltage type harmonic source. 串联型有源电力滤波器可较好地补偿电压源型谐波源.
- 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。
- 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。
- Love is an active power in man .Love makes him overcome the sense of isolation and separateness. 爱是活跃于人心中的一种力量。。。它使我们战胜孤独无助。。。
- 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。
