dc line meaning in English
直流线路
Examples
- But high - voltage lines are already approaching the million - volt limit on insulators and the operating limits of semiconductor devices that control dc lines
不过，高压线路的绝缘体已经逐渐接近百万伏特的限制，而控制直流线路的半导体装置，也即将达到运作极限。 - The results show that occurrence of the single or double pole block on the dc lines , or short - circuit faults on the dc or ac lines will not influence seriously on power system stability
仿真结果表明：当南桥、华新换流站发生直流输电单双极闭锁以及交、直流侧短路故障时，不会给系统带来稳定问题。 - But even at this height an overhead dc line will beat an ac line at distances more than 1 , 000km ( 600 miles ) , while ground - level dc will beat ac at distances as short as 30km
但即使是这样的高度，高架直流电缆也比交流电缆的最大传输距离远1 , 000千米（ 600英里）以上，地面直流电缆比交流电缆传输距离远30千米。 - In chapter 5 , considering an ac / dc system that includes two dc lines . based on feedback linearization in the nonlinear systems and linear quadratic optimization control theory in the linear system , two new nonlinear additional controllers are designed in the same time
第五章针对包含两条直流传输线路的交直流互联系统，采用状态反馈精确线性化方法与线性系统的二次最优控制相结合的方法，同时设计了两条直流线路的非线性附加控制器。 - The correlative items of dc filters are researched on the basis of gezhouba - shanghai hvdc transmission project . in the analysis the three - pulse model is used to simulate converter , which takes into account the impact of the stray capacitance . the harmonics distribution on dc lines is simulated accurately , especially the harmonic ignored in old models
本文以葛上直流输电工程为基础，研究直流滤波器设计中的相关问题，采用考虑了杂散电容的三脉动模型来建立换流站模型，更为准确地模拟出直流输电线路上的谐波分布情况，尤其是模拟出旧模型中忽略的次（为自然数）谐波，为直流滤波器的设计提供了更精确的数据和判断依据。