| 1. | 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。 |
| 2. | Finally this paper propose the structure diagram of adaptive distance protection based on neural network impedance relay , which describes entire logic procedure from data acquisition unit to trip unit
最后提出基于神经网络阻抗继电器的自适应距离保护结构框图，描述从信号采集单元到动作出口单元的整个逻辑过程，并对自适应距离保护的前景作出展望。 |
| 3. | This paper discusses the ability of avoiding maximal power flow of quadrilateral impedance relay and round impedance relay in detail and puts forward the setting principle and setting method of load limiting resistor of backup distance protection
本文对四边形和方向圆特性阻抗继电器躲线路最大潮流的能力进行了详细分析，提出了距离保护负荷限制电阻的整定原则和整定方法。 |
| 4. | Using these samples , this paper form an impedance relay scheme based on back propagation neural network under the condition of one side source and two sides source respectively . after the training of neural network this paper obtain the action characteristic of impedance relay
利用得到的样本分别构成在单电源和双电源情况下的基于bp神经网络的阻抗继电器方案，对神经网络进行训练，得出该阻抗继电器的动作特性。 |
| 5. | The operation characteristic of the new relay is analyzed in theory and verified by the simulation tests . the new relay operates with clear selectivity and high operation speed and can satisfy the demand of the protection for the ehv transmission line . the performance of the fault component impedance relay has been improved and the misoperaion of the healthy phase under cross - country fault and close - in fault have been avoided
理论分析及仿真计算表明，基于自适应补偿的突变量距离继电器有很好的选择性和速动性，完全能够满足高压线路保护的需要，显著提高了突变量距离的性能，解决了其在大电源出口单相故障以及正反向复故障可能会误跳三相的缺点。 |
