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- The stator ground fault protection with injection voltage can provide 100%windings protection. 注入式定子接地保护能单独实现发电机定子100%25绕组的保护。
- Tai Nengling, Yin Xiagngen.The generator stator ground fault protection schemes based on the orthonormal Wavelet[J].Automation of Electric Power Systems, 2001,25(1): 39-45. [2]邰能灵;尹项根.;正交小波在发电机定子单相接地保护中的应用[J]
- Using the ratio of 3rdharms got from G-term and N-point to do the Stator Ground Fault protection, together with the way of using the ZSVolt of N-point ,can protect the whole 100% Stator Ground Fault accident. 用机端和中性点三次谐波电压的比值来监视定子接地保护可以弥补中性点零序电压保护的不足,可以配合中性点零序电压保护实现100%25的定子接地保护。
- Consider of using the changing unit of the ratio of 3rdharms got from G-term and N-point to do the Stator Ground Fault protection during the Stator Ground Fault accident, it can be quicker, can do better protection. 提出用三次谐波电压的比值的变化量来监视定子接地保护,此种方法可以提高保护的动作速度,提高保护的灵敏性和可靠性。
- Generator stator ground faults protection 定子接地保护
- Frequency Switching Scheme Against Generator Stator Ground Fault 切换频率式定子接地保护
- Generator Neutral Ground Method and Its Affects on Stator Ground Protection 发电机中性点接地方式及其对定子接地保护的影响
- The fox went to ground under a rocky escarpment. 狐狸钻进了石崖下面的洞里。
- The ground was covered with ferns. 地面上长满了羊齿植物。
- He lifted a pail of water from the ground. 他把一桶水从地上提了起来。
- Rachel who died last week was still above ground. 雷切尔上星期去世,现在还没安葬。
- This car really comes into its own on rough ground. 这辆汽车在颠簸的路上才真正显示出它独特的性能。
- They put some wreathes on the ground. 他们把一些花环放在地上。
- The ground was ploughed and planted with corn. 地翻耕后种上了玉米。
- He takes his ground on intuition. 他的意见是凭直觉。
- We need a mechanical digger to level the ground. 我们需要一台挖掘机来平整土地。
- A good hot summer could dry the ground out. 一个炎热的夏天可以将大地干透。
- Bob pecked at the hard ground with a pickaxe. 鲍勃用鹤嘴锄在坚硬的地面上挖掘。
- The fence posts were fixed firmly in the ground. 栅栏的立柱牢牢地固定在地上。
- The ground is shut in by a wire fence. 那块地被铁丝篱笆围住。