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The Research on High-voltage Transmission Line Relay Protection Setting Related to OLTC Anti-icing

机译：OLTC防冰的高压输电线路继电器保护装置研究

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摘要

In order to make high-voltage transmission line anti-icing without interrupting power supply, OLTC anti-icing devices can be used for reducing the line voltage and increasing operating current to undermine the conditions of icing formation. The relevant relay setting values of the anti-icing line needs to be modified accordingly. In this paper, the research on how to reset the value of the 110kV and 220kV lines had been done after the OLTC equipment was implemented, and the principle of relay protection setting related to the change of line operating voltage and current had been given. A digital simulation of an area which encountered the icing disaster in 2008 had been done and the results shows that the reset relay protection setting of relevant relay protection is reasonable.
机译：为了使高压输电线路防冰而不中断电源，OLTC防冰装置可用于减小线电压并增加工作电流以破坏糖化形成条件。 需要相应地修改防冰线的相关继电器设定值。 在本文中，在实施OLTC设备之后，已经完成了如何重置110kV和220kV线路的值的研究，并给出了与线路工作电压和电流变化相关的继电器保护设置的原理。 已经完成了2008年遇到结冰灾难的地区的数字模拟，结果表明，相关继电保护的复位继电器保护设置是合理的。

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