• 结果不同(相对线路阻抗)的阻抗值上运行了,包括900欧姆

    Results were also run for different high (relative to the line impedance) impedance values, including 900 ohms.

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  • 利用分段点处电流、电压应用解微分方程算法即可较精确地计算出线路阻抗

    The differential equation algorithm can accurately calculate the impedance from the splitting point to the fault point.

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  • 克服了线路阻抗变化对系统均精度影响。实验结果表明方法好地实现逆变模块的功率均分,模块间输出电流偏差小于1%。

    The experimental results show the proposed method can share the output power quickly, and the current-sharing error is less than 1%.

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  • 差动输出阻抗绝大多数线路驱动器同时固有地有低的共模输出阻抗这样,低阻抗几乎无一例外地位驱动器一侧。

    Most line drivers with low differential output impedance will also have inherently low common-mode output impedances, so the low impedance arms of the bridge are almost always at the driver.

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  • 由于阻抗过渡电阻互感器误差线路结构不对称因素影响,所以测距精度高。

    Because the impedance fault location method is easily influenced by the factor such as fault resistance, transformer error and asymmetrical line configuration, the fault location accuracy is lower.

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  • 阻抗特性电子元件电子线路应用一个重要参数

    Impedance characteristic is an important parameter of electronic components using in electronic circuitry.

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  • 根据集中参数线路模型算法实测距离换算成与模型匹配测量阻抗

    The measured distance of the lump parameter circuit model can be converted to the correspondingly matching positive sequence measured impedance.

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  • 测定了这种传感器不同湿度复数阻抗测量线路设计中的参数选择提供了必要的依据。

    The complex impedance of the sensor was determined under various humidities to provide one requirement for selecting of parameters in the design of measuring circuit.

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  • 提出了基于阻抗相对变化高压线路保护原理,用作振荡期间的选相元件。

    Based on the relative variation of impedance during power swing, a novel phase selector for high voltage transmission lines is proposed.

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  • 方式广泛适用线路阻抗测试迅速测量出电缆的断线、线、浸水等各种故障具体地点

    It is popular used in impedance test of line that will detect and find the exact location of faults i. e. of broken, mixture and soakage of wires.

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  • 通过对比电缆整单位千米阻抗电压电流值,来确定线路上的故障点

    Power lines have set impedance per kilometre and using this value and comparing voltage and current the distance to a fault can be determined.

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  • 分析表明线路末端三相故障线路端的测量阻抗与故障距离成正比

    The analysis shows that the measured impedance at the head of the line is not proportional to the fault distance when a three-phase fault occurs at the end of the line.

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  • 本文检测器等效线路基础,提供一种测量检测阻抗简捷方法

    A simple method is devised for measuring the detection impedance in the acoustic impedance method of detection of unbonds and is based on an equivalent circuit of the detector.

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  • 在计及并联线路互感情况下,提出一种节点阻抗矩阵修正计算通用算法

    Considering the mutual flux linkage of parallel lines, this paper presents a general method for update computation of the impedance matrix.

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  • 架空电力线路地下通信线路阻抗计算结果验证了论文方法正确性和高效性。

    The validity of the method is proved by calculating the mutual impedance between overhead power lines and underground telecommunication lines.

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  • 本文提出受控电源视在阻抗概念电子线路分析中的视在阻抗

    The concept of apparent impedance of controlled source and the apparent impedance method for electronic circuit analysis are introduced in this paper.

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  • 为了超高压输电线路防雷计算需要,建立新的杆塔模型多波阻抗模型。

    In order to make calculation of the lightning protection on ultra high voltage (UHV) line, a new tower model, namely multi-wave impedance model was constructed.

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  • 偏移特性阻抗继电器用于电流电流接地系统作为输电线路距离保护测量元件

    LZ-22 partial impedance relay usually used as measuring element on distance protection of the line at small or big current power system.

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  • 高压电缆金属护套交叉互联导致多个波阻抗不连续产生了复杂的折反射行为,这对高压电缆线路的行波故障测距产生很大的影响。

    The reflection and refraction of traveling wave are quite complicated at the sheath-crossing point of high voltage power cable, due to its remarkably noncontinuous surge impedance.

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  • Robert使得时域反射仪课题不再神秘,能够帮助检测测量以及找出任何阻抗不匹配输电线路

    Detect and measure impedance Mismatches Robert demystifies the topic of time domain reflectometry, which enables you to detect, measure, and locate any impedance mismatch in a transmission line.

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  • 印刷电路板上加绝缘,消除线路绝缘电阻放大电路输入阻抗影响

    And insulating ring technology is adopted to further improve input impedance influenced by insulating resistance of printed circuit board.

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  • 对于不同长度电缆线路金属套的接地方式不尽相同,从而对电缆线路参数尤其是阻抗将产生较大影响

    The earthing method of the metal sheath varies somewhat in different cable lengths, which affects greatly line parameters, especially zero sequence impedance.

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  • 方法是将互感线路伏安特性方程转化积分形式采用最小乘法求解方程组,同时得出线路阻抗线路间的零序互阻抗

    The new method turned the volt-ampere characteristic equation of transmission lines into an integral form, then used least square method to solve the equations and got the zero-sequence parameters.

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  • 同时指出平行线条数变化零序阻抗均需重新测试。

    In the meanwhile it is pointed out that the quantity change of the parallel line and zero-sequence impedance must be retested.

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  • 第二影响线路电容电流流过电源,阻抗引起电压升高。 收藏。

    The second effect is the rise in voltage resulting from the capacitive current of the line flowing through the source (generator) impedance.

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  • TCSC动态阻抗特性分析研究含TCSC线路线路保护特性具有重要意义。

    The dynamic power frequency impedance of TCSC is of great importance to the analysis of protective relaying characteristics on transmission line with TCSC.

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  • 天线匹配指定频率范围内调整阻抗使得天线输入阻抗等于大致等于发射线路特性阻抗过程

    The process of adjusting impedance so that the input impedance of an antenna equals or approximates the characteristic impedance of its transmission line over a specified range of frequencies.

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  • 四边形方向圆特性阻抗继电器躲线路最大潮流能力进行了详细分析,提出了距离保护负荷限制电阻原则和整定方法给出了整定建议

    It puts forward the setting principle and method of load limiting resistor of backup distance protection and gives the propositional setting value of load limiting resistor.

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  • EMTDC仿真试验结果表明方法可以准确地实现单相故障选线,验证文章输电线路零序输入阻抗特性分析正确性。

    The EMTDC simulations indicate that the method can find out the faulty line correctly and prove that the analysis of the angle-frequency characteristic of zero impedance of the line is correct.

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  • EMTDC仿真试验结果表明方法可以准确地实现单相故障选线,验证文章输电线路零序输入阻抗特性分析正确性。

    The EMTDC simulations indicate that the method can find out the faulty line correctly and prove that the analysis of the angle-frequency characteristic of zero impedance of the line is correct.

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