This article discusses the negative sequence measurement of the CAM.
本文将对凸轮的逆序测量方法进行探讨。
A method of detecting the fundamental positive and negative sequence components is proposed.
提出了一种检测基波正负序分量的新方法。
Larger system voltage unbalance degree causes larger capacitor voltage pulsation and negative sequence current.
不对称度的增加将进一步增大电容电压的脉动和负序电流的大小。
Two types of digital negative sequence strainer using vector method and sampling method are researched in this paper.
本文对向量法和采样点计算法两种数字式负序滤过器进行研究。
The pulse steering circuit so designed solves fairly well the transition between positive sequence and negative sequence.
所设计的脉冲导向电路较好地解决顺序与逆序互相之间的过渡问题。
The concept of a new- style and high- precision fault component, synthetic negative sequence vector SNSV is proposed in the paper.
文中提出一种新型的、高精度的故障分量——综合负序矢量的概念 ，并给出综合三相负序分量的实时算法。
An adaptive impedance relay based on negative sequence voltage polarization is proposed, and its operating characteristic is analyzed.
提出了一种基于负序电压极化的自适应接地阻抗继电器方案，并对其动作特性进行了分析。
Electrified railway negative sequence and the harmonic seriously affected grid power quality, reduced the reliability of power supply.
电气化铁路产生的负序、谐波严重地影响了电网电能质量，降低了电网供电的可靠性。
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，分析和说明了电力系统谐波和负序对大型水轮发电机的影响。
This paper studies the negative sequence directional protection (NSDP) as the primary protection of series compensated UHV transmission line.
文中对带串补的特高压线路采用负序方向高频保护作为主保护方式进行了研究。
Based on the arithmetic of differential protection and simulation technique, this paper analyses the influence of the negative sequence to power system.
在结合微机差动保护装置算法及仿真建模的基础上，分析了负相序对差动保护的影响，并给出了相应的处理方法。
Generalized integrator was used to realize static error free tracking control of positive and negative sequence current under two-phase static coordinate.
并采用广义积分器原理实现对三相电流在两相静止坐标下的控制，实现了正负序电流的无静差跟踪控制。
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的好坏，已经是非常迫切的问题。
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，该装置可对三相四线制系统中的谐波、负序、零序等电流分量进行补偿。
Active power filter can compensate current components which include distortion and negative sequence current components when it is used in unbalanced three-phase circuit.
电力有源滤波器能动态补偿不对称三相电路的畸变电流、负序电流分量。
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.
该控制方法能改善系统电能质量的调节，有效地补偿负荷侧谐波电流、无功功率和负序电流。
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.
静止无功补偿器(SVC)在补偿负荷无功的同时，还具备补偿三相负荷不平衡的能力，其关键在于SVC所采取的控制策略。
The scheme includes the transverse differential protection, the directional relay action on negative sequence power of fault component and the incomplete differential protection.
该方案包括了横差保护、故障分量负序功率方向保护和不完全纵差保护的综合应用。
To eliminate the influence of distributed capacitance on negative sequence directional pilot protection, the authors propose a Bergeron model based accurate compensation algorithm.
为消除特高压输电线路中分布电容对负序方向纵联保护的影响，文章提出一种基于贝瑞隆模型的精确补偿算法。
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.
在典型的六相输电系统中，半正序、半零序和半负序故障分量不受系统阻抗变化的影响。
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.
电弧炉具有低电压、大电流而且负荷非线性的特点，在其运行过程中产生大量的负序电流，导致电网不稳定。
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，该变压器具有增压、抑制负序电流、增大输出容量和提高容量利用率等优点。
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.
电弧炉是一种严重的不对称冲击负载，它将产生大量的负序分量而污染电网，所以需要对其进行平衡化补偿。
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，本文提出增加零序电流、负序电流及电流变化量判据，以有效地避免保护误动或者拒动。
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.
电力系统中网络结点千百个交织密布，有功潮流、无功潮流、高次谐波、负序电流等以光速在全系统范围传播。
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型汽轮发电机负序电流能力的试验方法和结果。
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型汽轮发电机负序电流能力的试验方法和结果。
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