基于RTDS的超高压线路保护装置的试验研究-计算机毕业论文|计算机毕业设计 关键字：RTDS，高压线路保护，振荡闭锁 [gap=8556]Keywords: RTDS, High Voltage Line Protection, Swing Block
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论述了脉冲式高压线路保护的基本原理以及基于该原理的保护装置的实现方法。
The principle of high-pressure line protecting and realized means of protector are described.
提出了一种基于阻抗相对变化的高压线路保护选相新原理，用作振荡期间的选相元件。
Based on the relative variation of impedance during power swing, a novel phase selector for high voltage transmission lines is proposed.
理论分析和仿真计算表明，使用电压量的选相元件能够正确地判别各种故障类型，满足高压线路保护的需要。
Theory analysis and simulation results show that the new phase selector can determine fault types properly and be used in transmission line protective relay.
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