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高压电器  2015 

断路器合成试验同步控制系统研究

DOI: DOI:10.13296/j.1001-1609.hva.2015.08.026, PP. 152-157

Keywords: 断路器,合成试验,同步控制,电流零点预测

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Abstract:

文中设计了一种同步控制系统,旨在提高断路器合成试验的成功率。首先,设计了同步控制系统硬件电路。其次,针对电流源电流在零点区域近似线性的特点,简化电流模型,编写了预测电流零点程序。根据试验结果,电压回路的实际触发时间与设定时间的误差小于50μs,延弧回路的实际触发时间与设定时间的误差小于40μs。误差满足设计要求,可以保证合成试验的等效性,验证了文中所设计的合成试验同步控制系统的有效性和适用性。

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