• 提出限制短路电流方法串联

    And put forward a method to limit short-circuit currentseries reactance method.

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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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  • 介绍了利用故障电压故障电流计算故障回路电抗电抗法故障点定位原理

    The theory of fault locating by calculating the reactance of feeder line with measured fault current and voltage is introduced.

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  • 分析计算结果表明串联电抗电抗不同,其电容器回路谐波电流截然不同。

    Analysis and simulation results show that different harmonic currents flowing into the capacitor circuit is different due to different reactance ratio of series reactor.

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  • 平衡回馈补偿直流传感理论电抗器磁势自平衡原理差值电流回馈补偿原理基础,将两者相结合而形成的一种新的传感原理与方法。

    The paper briefly describes the theory of direct current sensor based on magnetic potential self-balance and feedback compensation and the structure of prototype machine based on this theory.

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  • 由于并联电抗两侧电流发生变化,传统差动保护无法应用并联电抗输电线路

    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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  • 分析导致平衡电抗整流机组直流负载拐点电流超出许可范围的成因;

    The cause that transition current of DC-load in rectifier unit without balance reactor exceeds the range of permission is discussed.

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  • 选择IPC电容器电抗参数调整时间调控过程中IPC电容器电流冲击电抗器的电压冲击进行有效抑制。

    The current impact in capacitor and the voltage impact on reactor in the control course can be restrained by selecting the right time to adjust IPC' s parameter.

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  • 联接中性点之间弧线圈电抗要在抵消90%至110%电流所需值的范围

    The reactance of this coil, which is connected between the neutral, and ground is made in the range 90 to 110 per cent of the value required to neutralize the capacitance current.

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  • 变压器可控电抗饱和式可控电抗相比谐波电流响应速度更快功率损耗更小。

    Compared with the magnetic valve type controlled shunt reactor, the transformer type controlled shunt reactor is superior in its smaller harmonic current, faster respond speed and less power loss.

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  • 这里滤去电抗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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  • 电抗电抗选择短路电流限制规定值,又不能使电压损失过大

    When the reactance value of current limiting reactor is selected, the short circuit current should be limited within the specified value and the voltage loss should not be too much.

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  • 支路电抗电流功率参数计算并联支路型可控电抗分析设计的关键

    It is the key-point that the branch-parameters, such as reactances, currents, power and etc., are calculated for the controllable reactor of multiply parallel branch type.

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  • 采用短路电流控制器动态电子电抗器,实现脉冲MIG动态特性自适应控制

    The self-adaptation control of dynamic characteristics of pulsed MIG welding was achieved by a short circuit controller and a dynamic electronic inductor.

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  • 提出了一种在考虑电流挤流效应情况下如何计算电抗器交流电阻等效电感方法

    In this paper, a new method considering the influence of the skin-effect is given for calculating the inductance and losses of foil winding reactors with air-core.

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  • 可控饱和电抗动态补偿电机启动、电流接地选线等方面具有广阔的应用前景。

    Controllable saturated reactor is widely used in dynamic reactive power compensation, induction motor soft-starting and fault line selection of small current grounding system.

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  • 连接极线的输电设备主要电抗滤波电容器直流电压分压器光学电流传感器直流避雷器等

    The equipment which connected in the DC bus includes smoothing reactors, capacitors, voltage dividers, optical current transducers and arresters.

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  • 用于过滤部分组成一个电容器用于过滤电压电感电抗进行过滤的电流

    There are two components used for filtering: a capacitor is used to filter the voltage and an inductor or choke to filter the current.

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  • 提出一种新的适合于GTR电流型变频器整流器部分的PWM控制方法推导出了在准圆轨迹PWM控制规律下,整流器输出电压的计算公式和平波电抗器电感量计算的实用公式。

    A new PWM control method for GTR current source rectifier is presented. The mathematical formulae that output voltage of the rectifier and inductance of the DC filter are derived.

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  • 利用容量高速开关装置,正常运行串联电抗接,消除电抗周围金属产生涡流发热;在发生短路情况下该装置快速断开,重新将电抗器投入,限制短路电流

    By high capacity high-speed switch, the series reactor is shorted during normal operation, eliminating the reactor leakage magnetic flux to eddy hot produced metal member around it.

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  • 并联电抗可以降低线路的稳态电容电流故障暂态电容电流作用不明显。

    Shunt reactors can reduce the steady capacitive current but have unobvious effect on fault transient current.

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  • 提出防止谐振措施补偿电容器串联电抗长期容许次谐波电流进行了分析计算

    The permissible harmonic current of high order for long term in the compensative capacitor and series reactor were analyzed and calculated, as well as some tables calculated for reference were given.

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  • 高压长线路可能线路中间接入并联电抗从而有效补偿线路电容电流抑制空载线路过电压。提出了在特高压长线路中间带并联电抗器时线路分相电流差动保护原理。

    Shunt reactor could be installed in the middle segment of the UHV transmission line, in order to compensate capacitive current of transmission line and limit over-voltage of line without load.

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  • 星型,平衡电抗输出电路焊接电流稳定

    Double reversed star shape, interphase reactor, flat wave output circuit, stable welding current.

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  • 脉冲电抗其中主要起到放电电流限流调整脉冲宽度作用

    The main functions of the pulsed reactor are current limiting and pulse width adjustment.

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  • 例如各种滤波环节电抗之类的惯性环节、电流自适应环节以及函数发生器环节等等

    For example each kind of filter link, reactor and so on inertia link, electric current auto-adapted link as well as function generator link and so on.

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  • 根据华东电网短路电流水平分析结论串联电抗参数设计和安装地点进行了初步分析。

    According to the analytical conclusion on the short-circuit current level of the East China Power Grid, the design of parameters...

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  • 根据华东电网短路电流水平分析结论串联电抗参数设计和安装地点进行了初步分析。

    According to the analytical conclusion on the short-circuit current level of the East China Power Grid, the design of parameters...

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