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- small earthing neutral grounding power system 小电流接地系统
- For a long time, It is troublesome when it comes to single-phase-grounded fault happened insystem with non-effectively earthed neutral. 长期以来,小电流接地系统单相接地的故障选线和定位问题一直没能很好的解决,由于系统故障信号微弱,易受到各种干扰的影响;
- The non-solid earthed neutral, namely isolated or Petersen coil compensated neutral, is adopted widely in medium voltage distribution network in China. 我国中低压配电网一般都采用中性点非直接接地方式,即中性点不接地或者经消弧线圈接地方式。
- The single earth-fault in three phase network earthed neutral is called as single phase short circuit, and that in three phase network insulated to earth is called as leakage fault. 同样是三相电网的“单相接地”,发生于中性点直接接地系统称“单相短路”故障,而发生于中性点绝缘系统叫“接地漏电”故障。
- Study on Ferroresonant Overvoltage in Indirect Earth Neutral System 电磁式电压互感器引起的谐振过电压初探
- 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。
- system with non-effectively earthed neutral 中性点非有效接地系统
- The attraction of the moon for the earth causes the tides. 月球对地球的吸引力造成潮汐。
- System with effectively earthed neutral 中性点有效接地系统
- Protecting Ground Connection and Earthed Neutral 保护接地与保护接零
- 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。
- system with solidly earthed neutral 固体接地中性系统
- How on earth do they manage to rob the bank? 他们到底怎么抢了银行的?
- system with non -effectively earthed neutral 小电流接地系统
- 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。