您要查找的是不是：
- Problems of energy quality and neutral line current caused by unbalanced and non-linear loads 不平衡和非线性负荷引起的电能质量和中性线电流问题
- Opposite connecting between hot and neutral line protection. 零线接反保护
- Review neutral line potential shift protecto,rdepict mostly index of power frequency overvoltage 、 undervoltage and electric surge protection. 通过对中性线电位偏移保护器的回顾,简述了中性线电位保护器的设计思想和工频过、欠电压保护的主要指标。
- This paper analyzes the cause of equipment damage by neutral line broken, and explains all kings of abnormal phenomenons after neutral line broken. 摘要文章分析了中性线断线引起用电设备损坏的原因，解释了中性线断线后产生的各种不正常现象。
- Each segment of line current can be approximated as a Hertzian dipole if each segment is much smaller then a wave length. 因此任意线电流在三度空间之三维向量电磁场即可以赫芝电偶极完整之远场及近场近似合成之。
- The near and far field properties of line current of arbitrary shape is demonstrated in this example. 本例以赫芝电偶极电磁场合成之近似结果，验证偶极天线远场及近场之特性。
- Voltages, line currents and equipment loadings are more localized. 电压、线路电流和设备负荷则更加地区化。
- The power transfer quality factor of PFC is above 0.98 and the total harmonic distortion of the line current is less than 5%. 准谐振PFC的功率传输品质因数在0.;98以上，电流总谐波畸变率小于5%25。
- It is possible to check present line current, current value during accident, operation time(latest 10 times), setting value, etc. on display. 这是可能的，检查本线电流，电流值在事故，手术时间（最新的10倍），定值等展出。
- The coil operates on ordinary line current (115VAC) and comes with a three-prong grounded cord for safety and ease of use. 线圈使用普通的电流（115伏特交流电）另有一接地线可让你安心且方便使用。
- On May . 16, there were many new small sunspots that emerged nearby the curvilineal neutral line in Group 3106. It may steepen the gradient of the magnetic field near the neutral line. 5月16日3106群十分弯曲的中性线附近有新生小黑子,它可能增大了中性线附近的磁场梯度。
- A single-phase half-bridge switch mode rectifier is presented to draw a sinusoidal line current, to achieve power factor correction and to maintain the DC-link voltage constant. 介绍了绘制正弦线电流的开关模式单相半控桥整流器,用它来获得功率因数补偿并保持直流环节电压的恒定。
- The Poynting vector that represent the flow of electromagnetic power density on a sphere from a linear dipole antenna is approximated by the summation of the field of segmented line current as Hertz dipoles. 以赫芝偶极之电磁场合成任意长度偶极天线在球面上电磁功率密度流之时变玻因亭向量。
- Magnetic neutral line in active region 活动区磁中性线
- Important of neutral line in the three phase feed 三相用电设备中的中性线重要性
- Abstract: The ever increasing number and power of polluting loads (non-linear, time-variant loads and so on) connected to the electric power network cause a significant distortion in the line voltage and line current. 文摘:电力系统电网中逐渐增多的“污染性”负荷（如非线性负荷、时变负荷等）正在使电网中的电流、电压出现越来越多的、显著的畸变。
- In the mathematical model of PWM rectifier in d-q synchronous reference frame, there is cross coupling between active and reactive components of the line current, which is difficult to control. PWM整流器在d-q旋转坐标系的数学模型中,有功电流与无功电流之间存在耦合,给控制带来困难。
- He has a rather neutral character. 他品性平平。
- According to the relation between the radiating fields of line current and dipole, the radiating fields of the edge elements are obtained by reversion from the scattering fields of the infinite edges. 根据线电流与电偶极辐射场的关系 ,由无限长棱边的场反推得微元的场。
- That country remained neutral in the war. 那个国家在那场战争中保持中立。
