1、

The performance of the relay is extensively tested by using EMTP. The simulation results show that the relay can be used to avoid transient overreaching effectively and has high sensitivity for the internal fault.

用EMTP进行了大量的数字仿真实验,结果表明,自适应阻抗动作判据能有效防止保护超越误动作,也提高了区内故障的动作灵敏度。

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2、

This paper reviews and analyzes the existing problems of shunt reactor protection, including the sensitivity and reliability of turn-to-turn fault protection, current transformer ( CT) saturation of differential relay and the characteristic of overload protection.

分析了目前超高压并联电抗器保护所存在的一些问题,包括电抗器匝间短路保护灵敏度与可靠性、电流互感器暂态特性不一致对差动保护的影响等。

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3、

Secondly, this paper does research on the performance of Relay access link receiver, and simulates and obtains the key performance indicator of the receiver such as reference sensitivity and dynamic range.

其次,对Relay access link接收机性能进行了研究,通过仿真获得了其参考灵敏度、阻塞特性、动态范围等接收机性能指标。

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