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。
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。
Objective To establish a method of high resolution DNA typing for HLA B40 cross reactive groups (CREG) in Chinese with polymerase chain reaction with sequence specific primers (PCR SSP).
目的采用顺序特异引物聚合酶链反应技术(PCRSSP)，建立汉族人群HLAB40交叉反应组高分辨度dna分型方法。
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。
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。
The harmful effects brought by reactive power, harmonics and negative sequence usually be evaluated on some sensitive power system nodes and be comprehensive solved in the traction power system.
无功、负序和谐波的不良影响需要在电力系统进行评估，在牵引供电系统中采取技术措施以期综合解决。
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。
Measure function: can measure current, voltage, active power, reactive power, frequency, zero sequence current, electric energy, 2 pulse inputs implement watt-hour meter auto read;
测量功能：高精度测量电流电压、P、Q、功率因数、频率、零序电流、计算电度；2路脉冲量输入实现外部电度表自动抄表；
Whether the switching sequence of reactive power equipments is correct or not directly determines the stable operation of HVDC transmission systems.
无功管理是高压直流输电工程设计的重要组成部分，无功设备投切顺序正确与否直接关系到直流输电工程能否安全稳定运行。
Whether the switching sequence of reactive power equipments is correct or not directly determines the stable operation of HVDC transmission systems.
无功管理是高压直流输电工程设计的重要组成部分，无功设备投切顺序正确与否直接关系到直流输电工程能否安全稳定运行。
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