• 无线输电未来承诺,一种无需电线插座就可空气传播电流笔记本iPods其他电器方式

    This is the future promised by "wireless power", a means of broadcasting electricity through the air to laptops, iPods and other gadgets without the need for cables and sockets.

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  • 该文提出了基于瞬时无功功率理论四相输电谐波电流检测方法

    This paper presents four-phase transmission harmonic current detecting method based on instantaneous reactive power theory.

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  • 降低容量输电系统短路电流水平提出一种基于饱和电抗器串联谐振故障限流器

    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.

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  • 直流输电系统接地电流交流电网影响分析

    Analysis on influence of ground electrode current in HVDC on AC power network.

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  • 由于并联电抗器两侧电流发生变化,传统差动保护无法应用并联电抗器输电线路

    Because of the current on the shunt reactor, traditional traveling wave differential protection cannot be applied to transmission line with shunt reactor.

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  • 高压长距离输电线路显著分布参数特性其电容电流很大

    UHV long transmission line is of its distinct characteristics of distributed parameters and large capacitive currents.

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  • 本文应用开关信号理论,建立了基于技术流开关理论。

    By applying switch-signal theory, the theory of transmission current-switches based on spectral techniques is proposed.

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  • 降低输电线路电流不平衡度需要进行导线换位

    Conductor transposition is necessary to reduce unbalanced current in long transmission lines.

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  • 直流输电线路工程设计中,如果按我国现行标准规定经济电流密度选择导线截面导致截面偏小,损耗增大。

    In DC transmission line construction design, current national standard of economical current density will under predictcd conductor section, resulting in large loss.

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  • 这里滤去电抗器相位控制引起谐波电流避免不能接受输电母线电压畸变

    These may be required where harmonic currents caused by the thyristor phase control of the reactor current must be filtered to prevent unacceptable transmission bus voltage distortion.

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  • 提出利用次模变换计算同杆双回输电线路潜供恢复电压稳态值的方法

    A new method for calculating secondary arc current and recovery voltage on double-circuit transmission lines by twice-model transformation was proposed.

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  • 为此,阐述了入地电流概念输电线路架空避雷线电缆线路架空电缆混合供电线路的分流系数进行了探讨计算

    This paper expatiates on the concept of earth short-circuit current, discussing and computing the shunt coefficient of overhead ground wires, cable lines and hybrid overhead cable lines.

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  • 因而算法可以非常容易地计算在高压远距离输电线短路故障暂态短路电流

    With this algorithm the transient short circuit current of HV distant transmission line can be easily calculated.

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  • 高压输电线路发生故障后态电压或电流分量包含工频分量更多的故障信息充分利用一信息构成具有绝对选择性单端通信保护前提

    Moreover, it is the basis of constructing a new non communication protection through absolutely utilizing the fault information which is comprised in transient component of fault current or voltage.

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  • 衡量直流输电线路电话干扰水平的等效干扰电流标准进行系统的研究。

    The equivalent disturbing current, which determines the harmonic interference noise in nearby telephone circuits, is studied systematically.

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  • 提出种适用于输电线路差动保护电流互感器(TA)饱和方法——电流极性比较法

    A new countermeasure to current transformer (TA) saturation, namely, current polarity comparison method, for differential current protection of transmission line is proposed.

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  • 此基础上确定了溪洛渡—株洲特高压直流输电工程换流变压器额定功率电压电流接头的变化范围参数

    After illustrating the operation theory of six pulse converter, author gives the calculating method of UHVDC transmission parameters such as operating power, voltage, current and tap changer range.

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  • 本文研究提出了一种应用光纤通道的短距离输电线电流差动保护方案。

    In this paper a current differential relaying system using fiber-oPtic signal transmission channel is described.

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  • 输电需要采用电流电压或者电流电压。

    We need a small current and a high voltage; or a large current with a low voltage.

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  • 本文针对高压输电线距离保护故障测距常用解微分方程算法提出了一种零序电流相位修正方法

    The paper proposes a method which corrects the Angle of zero-sequence current in the algorithm of differential equation used for distance protection and fault location of HV transmission lines.

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  • 同时使用E1速率差动信息后,也使得保护信息传输带宽大大加宽,有利于保护功能的增强完善

    It also can improve the bandwidth of transmission widely when using E1 rate to transmit current differential information. This can be used by the protection to enhance its performance.

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  • 基于高压输电线路分布参数模型,使用线路两端电压、电流正序和负序分量,高压输电线路两点异相故障提出了一种新的测距算法

    Based on the distributed parameter model for transmission line, a new fault location method for short circuit fault of two points on different phases of the power transmission line is presented.

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  • 注意到,直流输电系统并不会增加交流系统故障故障电流。 收藏。

    It should be noted that the DC transmission system does not contribute to the fault current flowing in the AC system5 during the AC faults.

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  • 利用输电线路两端的故障电压量,提出基于输电线路等效的故障测距方法

    Using post fault voltages and currents from the two terminals, a novel method for fault location based on transmission line's equivalent sequence networks is proposed in this paper.

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  • 输电线路电流保护电压保护分别作为电力系统保护原理手段之一十分重要的保护类型。

    Curren protection and voltage protection in transmission line as one method and principle of electric power system, they are very important protection.

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  • 提出了架空输电线路直流两个重要参数:最小融冰电流最大允许融冰电流概念

    Two Critical concepts involved in direct current ice-melting technique of high voltage over head line, the least ice-melting current and the Max allowed current was presented.

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  • 但是目前针对静止无发生器研究主要集中输电系统无功补偿,且控制方法基于间接电流控制。

    At the present time, the research on SVG is mainly focus on the reactive compensation of power transmission system, and the control method is based on indirect-current control.

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  • 输电线发生故障时,各相的电压电流都会随之偏离正常工作状态。

    When transmission lines are at fault, the voltage and current will change violently.

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  • 应用改进电气几何模型分析了输电线路杆塔结构避雷线和导线布置、雷电流值、地面倾角影响

    With such model the effect of tower structure, lightning current amplitude, angle of the lightning incidence, as well as the ground angle on the shielding failure rate are analyzed.

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  • 应用改进电气几何模型分析了输电线路杆塔结构避雷线和导线布置、雷电流值、地面倾角影响

    With such model the effect of tower structure, lightning current amplitude, angle of the lightning incidence, as well as the ground angle on the shielding failure rate are analyzed.

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