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电网技术  2012 

特高压直流换流站选相合闸控制装置现场调试技术

, PP. 17-22

Keywords: 特高压,直流输电,换流站,选相合闸控制,断路器,预击穿,现场调试

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Abstract:

为了提高特高压工程电气设备的可靠性,规范现场调试方法,本文结合向上±800kV直流输电工程从选相合闸控制装置的工作原理入手,针对断路器合闸过程中的预击穿特性以及环境温度和操作电压对断路器合闸时间的影响,建立了适用于选相合闸控制器测试的典型断路器合闸时间模型,提出了选相合闸控制装置的性能测试的现场调试方法,并研制了选相合闸测试仪。最后将所提调试方法应用于向上直流工程复龙换流站的现场调试中,试验结果表明该方法能及时发现并消除设备缺陷,从而验证了该调试技术的可行性和有效性。

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