| 1. | Its accuracy can not be affected by coupled inductance , fault resistance , distributed capacitance and asynchronous angle 该测距方法在原理上不受线间互感、过渡电阻、分布电容、不同步角的影响。 |
| 2. | This algorithm can be executed independently of the source impedance and fault resistance with an error less than 0 . 5 percent 该算法原理简单,求解方便,仿真结果表明,算法具有较高的精度,最大测距误差小于0 . 5 % ,能够满足工程要求。 |
| 3. | The tests show that the neural network impedance relay has good function to anti fault resistance and adaptability to variation of system condition 经测试该神经网络阻抗继电器具有良好的抗过渡电阻功能,且能自适应于系统工况的变化。 |
| 4. | In order to deal with oscillation and fault resistance , the paper presents a new method of adaptive distance relay protection based the above relay protection 同时对系统振荡和过渡电阻对保护的影响进行了研究,提出了一种自适应距离保护模型。 |
| 5. | Because conventional single - terminal method of fault location ca n ' t eliminate the influence of fault resistance and the remote in - feed , its utility is limited 单端测距法由于存在难以消除过渡阻抗和对端系统阻抗的影响这一缺陷,使其应用受到限制。 |
| 6. | Only using data of single - terminal , the algorithm can eliminate the influences of the fault resistances and it need n ' t resolve the complicated equation of long line 这种方法仅采用线路的单端数据,不受故障过渡电阻的影响,无需求解复杂的长线方程。 |
| 7. | The influences of several factors such as harmonics , intermittent arc grounding , ct , load and fault resistance have been thoroughly analyzed , therefore , it is fundamental work for its application 深入细致地分析了谐波、间歇电弧、电流互感器、负荷、过渡电阻等多个因素对故障选线结果的影响,为方案的实用化奠定了基础。 |
| 8. | The good astringency has been proved within the whole line length in principle . this algorithm does n ' t need to choose the true from all the roots , and does n ' t need synchronized data and can eliminate the influence of the fault resistances 从原理上证明了其在全线范围内具有良好的收敛性,不需要判别伪根,不要求两端数据同步,不受过渡电阻影响。 |
| 9. | Because affected by the type of lines , fault resistance and two sides systems , fault analytical location has lower precision , but it has no dead line and is more better accurate if the fault location is close to the line terminal 故障分析法由于受线路类型、过渡电阻、两端系统的影响测距精度较差,但故障分析法不存在测距死区,尤其对近区故障的测距较为准确。 |
| 10. | This paper discusses and analyses several principal points affecting the performance of regular distance protection , such as the fault resistance , the branch current , the zero sequence mutual coupling and so on . then some concrete application of adaptive concept to distance protection will be analyzed and studied 本文对于影响常规距离保护性能的一些主要因素如过渡电阻、分支电流和零序互感等进行了分析和讨论,在此基础上对于自适应思想在距离保护上的一些具体应用进行了分析和研究。 |