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。
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。
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 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。
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。
In this paper, a control system with restraining negative sequence current is adopted simulation results of which demonstrate that output current waveform can meet sinusoidal and balanced demand.
为了解决上述问题，本文采用了抑制网侧负序电流分量的控制方案，仿真结果表明采用该方案后输出电流波形满足了正弦化及平衡化的要求。
Harmonics, reactive power, voltage flicker and negative-sequence current of power grids can affect the power quality and harm the power equipment badly.
电网中存在谐波、无功、电压闪变及负序电流等问题，严重影响电能质量，危害电力设备。
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，该方法能够有效抑制由线路参数不对称产生的负序电流和电压。
Based on the symmetry component theory, a method of the motor protection is presented by measuring positive, negative and zero sequence current component.
基于对称分量法理论，提出了基于检测正序、负序、零序电流分量的电动机保护方法。
When zinc electrode discharge in alkaline zinc-manganese dioxide battery, its reaction sequence in macroscopy was from zinc gelled near positive electrode to close to negative current collector.
讨论了碱性锌锰电池负极在放电时宏观上的反应顺序：从锌膏靠近正极部位逐渐进行到负极集流体周围。
A novel principle of negative-sequence current compensation based adaptive zero-sequence over-voltage protection is therefore proposed.
该文提出一种新的基于负序电流补偿的自适应零序过电压保护原理。
Over current protection, negative current protection, zero sequence current protection, over time of start protection and low voltage protection is configured in the device.
本装置配有过流保护、负序电流保护、零序电路保护、起动时间过长保护、低电压保护。
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。
It can be combined with a set of transformer main protection by combining negative-phase sequence current sudden-change starting element.
它也可与负序电流突变量起动元件配合，构成一套变压器主保护。
The unbalanced degrees of current in primary winding under different load conditions are discussed, which are based on the general expressions of negative phase sequence current.
结合负序电流的通用表达式，讨论了在不同负荷条件下的原边电流不平衡度。
This paper analyses the problem of reactive-current and negative-sequence power general compensation.
本文针对电网中负序和无功功率的综合补偿问题进行了分析和研究。
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。
In the second one, the input current displacement Angle is dynamically modulated as a function of positive-and negative-sequence components of the input voltages.
第二种控制策略中，输入电流矢量根据输入电压正、负序成分进行动态调制。
In the second one, the input current displacement Angle is dynamically modulated as a function of positive-and negative-sequence components of the input voltages.
第二种控制策略中，输入电流矢量根据输入电压正、负序成分进行动态调制。
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