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- By employing the DC earthed protection theory,this paper analyzes the characteristics of the converter transformer earth fault and the influence of converter commutation. 在简要介绍直流接地过流保护原理的基础上,分析了换流变阀侧接地故障的故障特征以及换流阀换相过程对故障电流的影响。
- Hu Yi,Li Jinglu.Effect of DC earthed pole current on the neutral earthed transformer[J].Transformer,1999,36(1):15-19(in Chinese). [1]胡毅;李景录.;直流接地极电流对中性点接地变压器的影响[J]
- THE DESIGN AND REALIZATION OF DC EARTHING INSPECTING SYSTEM THE MAGNETIC BALANCED METHOD 磁平衡法直流接地监测系统的设计与实现
- The Influence of Current of DC Earthing Electrode on Directly Grounded Transformer 直流接地极电流对中性点直接接地变压器影响
- Our pilotless rocket enters the track of the earth. 我们把一个无人驾驶的火箭送入了地球的轨道里。
- The attraction of the moon for the earth causes the tides. 月球对地球的吸引力造成潮汐。
- The line AB cuts the line DC at the point E. AB线和DC线在E点相交。
- The earth is only a speck in the universe. 地球在宇宙中只不过是一个小点罢了。
- How on earth do they manage to rob the bank? 他们到底怎么抢了银行的？
- A number of satellites are now circling the earth. 一些人造卫星现在正环绕地球飞行。
- The machine cast up a big heap of earth. 机器卷起了一大堆泥土。
- The red sun lights up the sky and the earth. 红太阳照亮了天空和大地。
- Who on earth is that female he's with? 跟他在一起的那个女人究竟是谁?
- Antarctica is the loneliest place on earth. 南极是地球上最偏远的地区。
- He dived his hand into the earth. 他将手插入泥土中。
- Earth worms are often used as bait. 蚯蚓常用作鱼饵。
- The earth in the garden is good, soft soil. 花园里的泥土松软肥沃。
- Many kinds of animals have vanished from the earth. 许多动物已人地球上消失了。
- The heavy wheels churned the earth into mud. 笨重的车轮将大地碾成了泥浆。
- What percentage of the earth is covered by oceans? 地球上百分之多少被海水覆盖着？
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
