• This article discusses the negative sequence measurement of the CAM.

    本文将对凸轮逆序测量方法进行探讨

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  • A method of detecting the fundamental positive and negative sequence components is proposed.

    提出一种检测基波正负分量方法

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  • Larger system voltage unbalance degree causes larger capacitor voltage pulsation and negative sequence current.

    不对称的增加将进一步增大电容电压脉动电流的大小。

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  • Two types of digital negative sequence strainer using vector method and sampling method are researched in this paper.

    本文向量采样点计算法数字式滤过器进行研究。

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  • The pulse steering circuit so designed solves fairly well the transition between positive sequence and negative sequence.

    所设计脉冲导向电路解决顺序逆序互相之间过渡问题。

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  • The concept of a new- style and high- precision fault component, synthetic negative sequence vector SNSV is proposed in the paper.

    文中提出一种新型高精度故障分量——综合矢量概念给出综合三相负序分量的实时算法。

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  • An adaptive impedance relay based on negative sequence voltage polarization is proposed, and its operating characteristic is analyzed.

    提出一种基于电压极化自适应接地阻抗继电器方案对其动作特性进行了分析。

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  • Electrified railway negative sequence and the harmonic seriously affected grid power quality, reduced the reliability of power supply.

    电气化铁路产生谐波严重地影响了电网电能质量降低电网供电的可靠性

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  • The practical examples are given to analyze and illustrate the effect of the harmonics and negative sequence on large hydro generators.

    通过实例计算分析说明电力系统谐波和大型水轮发电机影响

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  • This paper studies the negative sequence directional protection (NSDP) as the primary protection of series compensated UHV transmission line.

    文中对带补的特高压线路采用方向高频保护为主保护方式进行研究

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  • Based on the arithmetic of differential protection and simulation technique, this paper analyses the influence of the negative sequence to power system.

    结合微机差动保护装置算法仿真建模基础上,分析负相序对差动保护影响,并给出了相应的处理方法。

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  • Generalized integrator was used to realize static error free tracking control of positive and negative sequence current under two-phase static coordinate.

    并采用广义分器原理实现三相电流在两相静止坐标下的控制,实现了正负电流跟踪控制。

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  • It is urgent to detect the harmonic components and the negative sequence components of current accurately and to evaluate the quality of electric energy correctly.

    准确检测这些电流分量正确评价用户电能质量好坏,已经非常迫切的问题。

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  • Experimental results prove the proposed control method can compensate the harmonic, negative sequence and zero sequence current components in the three phase four wire.

    实验结果表明装置三相线制系统中的谐波序等电流分量进行补偿

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  • Active power filter can compensate current components which include distortion and negative sequence current components when it is used in unbalanced three-phase circuit.

    电力有源滤波器动态补偿不对称三相电路畸变电流电流分量

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  • This control principle can improve the control of power quality and effectively compensate the harmonic currents at load side, reactive power and negative sequence current.

    控制方法改善系统电能质量调节有效地补偿负荷谐波电流无功功率电流

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  • The SVC can not only compensates the reactive power, but also dish the negative sequence current produced by the unbalance loads, which mostly depend on the control scheme.

    静止无补偿(SVC)补偿负荷无功同时,具备补偿三相负荷不平衡的能力关键在于SVC采取的控制策略。

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  • The scheme includes the transverse differential protection, the directional relay action on negative sequence power of fault component and the incomplete differential protection.

    方案包括保护故障分量功率方向保护不完全纵差保护综合应用。

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  • To eliminate the influence of distributed capacitance on negative sequence directional pilot protection, the authors propose a Bergeron model based accurate compensation algorithm.

    消除特高压输电线路中分布电容方向保护影响文章提出一种基于贝瑞模型精确补偿算法。

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  • In typical six-phase transmission system, half positive sequence, half zero sequence and half negative sequence fault components are independent of the variance of system impedance.

    典型六相输电系统中,、半故障分量系统阻抗变化影响。

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  • The characteristics of arc furnace are low voltage, big current and nonlinear load. Much negative sequence current is produced during running. As a result, the power net is unstable.

    电弧炉具电压电流而且负荷非线性特点,在其运行过程产生大量电流,导致电网稳定。

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  • It is showed that this transformer has the advantages of boosting, rejecting the negative sequence current, increasing the output capacity and raising the capacity utilization ratio.

    结果表明,变压器具有增压抑制电流增大输出容量提高容量利用率优点

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  • Arc furnace is a typical unbalanced impact load. It pours a great deal of negative sequence component to power system, so measures shou ld be taken to compensate the arc furnace load.

    电弧一种严重对称冲击负载产生大量分量而污染电网所以需要其进行平衡化补偿。

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  • Zero-sequence current criterion, negative sequence current criterion and phase current variation can be used to improve the performance of breaker failure protection for ACF sub-bank.

    针对单纯采用相电流判据的不足之处,本文提出增加电流电流电流变化量判据,以有效地避免保护误动或者拒动。

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  • Power system Network Node thousands of mixed clouds, active power, reactive power flow, high harmonics, negative sequence current of the speed of light in the system-wide communication.

    电力系统网络结点千百交织密布有功潮流、无潮流次谐波电流等以光速系统范围传播。

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  • This paper describes the test methods and the various test results for the determination of the negative sequence current capability of type QFQ-50-2 turbo-generator by equivalent loss method.

    本文介绍了应用等效损耗法确定QF Q - 50 - 2汽轮发电机电流能力试验方法结果

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  • The results from calculation and simulation show that the proposed method can effectively restrain the negative sequence voltage and current caused by unbalanced parameters of transmission line.

    计算分析结果表明方法能够有效抑制线路参数不对称产生电流电压

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  • The results from calculation and simulation show that the proposed method can effectively restrain the negative sequence voltage and current caused by unbalanced parameters of transmission line.

    计算分析结果表明方法能够有效抑制线路参数不对称产生电流电压

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