结果表明,液氮处理后纤维素的侧序分布、结晶度、微晶尺寸、晶格形态都发生深刻的变化。
The resultsshowed that after the treatment of cellulose with L-NH3, the lateral order distribution, crystallinity, crystallite size and lattice form of cellulose were dramatically changed.
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。
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.
笔者研究了换流阀三角形侧零序环流对阀短路保护误动作的影响。
This paper studies the influence of converter transformer D-bridge zero sequence circulating current on valve short circuit protection.
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。
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.
分析表明,即使系统不存在零序回路,DVR都会在补偿控制中向系统注入微小的零序分量,该零序分量会对无零序回路系统侧电压造成不良影响。
It shows that DVR will inject small zero sequence component into the power system during compensation control even if there is no zero sequence circuit. This will influence the voltage on system side.
分析表明,即使系统不存在零序回路,DVR都会在补偿控制中向系统注入微小的零序分量,该零序分量会对无零序回路系统侧电压造成不良影响。
It shows that DVR will inject small zero sequence component into the power system during compensation control even if there is no zero sequence circuit. This will influence the voltage on system side.
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