提出了基于故障分量正序电抗的方向元件。
A new directional element based on the fault component positive sequence reactance (FCPSR) is presented.
电抗的准确计算是电机设计中十分关键的问题。
Accurate calculation of leakage reactance is key to design of electric machine.
磁场和电抗的精确计算是电抗器设计和研制开发的重要环节。
The calculation of magnetic field and reactance is an important step in the design and development of reactors.
文章就中性点小电抗的接入对系统的操作过电压的影响进行了研究。
In this paper, the effect of the neutral grounded by the low reactance on switching over-voltage in the power system is studied.
并给出一种利用励磁磁路饱和系数修正过饱和磁路励磁电抗的求取方法。
A method of extra saturation correction of the magnetic circuit by using saturation coefficient is given.
本文介绍了一种改进后的用镜像法计算变压器漏磁场及漏电抗的新方法。
In this paper, an improved image method for calculating transformer leakage reactance is introduced.
论述了调节原理,导出了调节公式,分析了调节特性,举例说明这种可调电抗的应用。
The regulating principle is discussed, the regulating formula derived, the regulating characteristics analyzed, and the application of this kind of regulative reactance illustrated.
给出了各种补偿方式下并联电抗器参数选择方法和中性点小电抗的最大耐受电压计算方法。
The selection of shunt reactor parameters and the most withstand voltage calculation of neutral point small reactor are discussed for different compensation modes.
本方法的优点是用于网络机助分析中降低了计算的复杂度,并且适用子含非线性电抗的网络。
The advantages of this approach are the complexity of computation is reduced in CAA and the method is also...
研究表明,增加引线数目、引线间距和加长顶线长度均可以增加天线系统的静电容,减小输入电抗的模值,并使天线的增益有所改善。
It is hold that one can increase static capacitance, reduce mode of input reactance and enhance the antenna gain by increasing down lead wires, their distances or lengthening the top loading wires.
用电学的术语来描述就是它们经常是(几乎就是)电抗性的。
That means, in electronic terms, that they are often (almost always, in fact) reactive.
通过计算和分析表明:变压器中性点接入小电抗对系统的操作过电压基本不会产生影响。
Through deduction and analysis, the conclusion can be made: low reactance at the neutral point of transformer has little effect on the switching over-voltage in power systems.
提出了限制短路电流的方法—串联电抗法。
And put forward a method to limit short-circuit current—series reactance method.
电抗是产品要求和设计中的重要参数,电抗计算值必须具有足够的精确度。
The reactance is an important parameter in designing products, whose calculation result must be accurate enough.
采用带中心抽头的直流电抗器,可以方便的改变焊机动特性。
Adopting DC electric reactor with center tap can change the welding machine's dynamic characteristic conveniently.
本文分别采用数值方法和解析方法,分析周期性电抗加载多层介质结构的电磁散射特性。
In this dissertation, both numerical method and analytical method are applied to analyze the EM scattering characteristics of periodically reactance-loaded multilayer dielectric structures.
电抗约束型炉子应采用使熔池功率或有功功率最大的方式运行。
The reactance restraint type of furnace should take method of operation to make molten pool power and active power maximum.
基于ATP的仿真和Matlab的运算表明基于电容器电感器电压比的电抗器匝间短路保护,能够对匝间故障做出快速而正确的判断。
ATP simulation and MATLAB calculation show that the voltage ratio protection against inter-turn fault of reactor can make correct judgement to this kind of fault quickly.
通过改变转子的位置计算永磁同步电动机的静态转矩和电抗,给出了转矩和电抗随转子位置变化规律的曲线。
The torque and reactance is calculated by changing the position of rotor and the changing curves of torque and reactance is also provided.
闪电强化(26级)-给予怪物更高的电抗同时在攻击时附加电系伤害。同时也给予怪物一种特殊的闪电技能。
Electrified (Level 26) - gives the monster higher Lightning resistance as well as lighting damage when attacking. This also gives the monster a special Lightning-based ability.
通过干式空心并联电抗器的现场原型动力试验,得到该电抗器各方向的自功率谱曲线。
The auto power spectrum curves of the dry parallel reactor are obtained from the prototype dynamic test.
详述了新型电抗器在电力系统中的应用。
The application of new-type reactor in the electric power system is expounded.
为降低大容量输电系统的短路电流水平,提出一种基于饱和电抗器的串联谐振式故障限流器。
With a view to reducing the short circuit current level of large capacity transmission systems, an in-series resonant type FCL based on saturated inductor is presented.
本文利用DSP处理器TMS320VC5402实现可控电抗器的连续可调。
This design bases on DSP processor TMS320VC5402 to realize controllable reactor's continuous adjustment.
最后根据各安装方案的技术经济比较结果提出了西北电网安装可控电抗器的方案。
Based on the results of technical-economical comparison of different installation schemes, a project for the installation of controllable reactors in Northwest China power grid is proposed.
不同电抗率的电容器组对谐波有不同的作用。
Capacitor Banks with various reactance ratio have different functions to harmonic.
随着频率增加,理想电容的电抗会接近零。然而,这是不可能的,市场上没有这样理想的电容。此外,铅和IC封装也会增加电感。应该用多个低esl 。
In addition, the lead and the IC package add inductance as well. Multiple capacitors with low ESL (Equivalent Series inductance) should be used to improve the decoupling effect.
同时的实际应用中可通过适当选择滤波支路中电抗器的电抗率来减小或避免产生谐波放大。
Harmonic enlargement can be minished or avoided by properly choosing the reactance rate of reactor in the spur track of filters.
分析与计算结果表明,因串联电抗器的电抗率不同,其流进电容器回路的谐波电流也截然不同。
Analysis and simulation results show that different harmonic currents flowing into the capacitor circuit is different due to different reactance ratio of series reactor.
介绍了利用故障电压和故障电流计算故障回路电抗值的电抗法故障点定位的原理。
The theory of fault locating by calculating the reactance of feeder line with measured fault current and voltage is introduced.
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