大功率特种电源旁通单元中快速熔断器的选型与参数计算

Model Selection and Parameters Calculation of the High Speed Fuse in Bypass Unit for Large Capacity Special Power Supply

利用电流在时间上的积累,即电流热效应原理,针对大功率特种电源旁通单元,提出一种新的快速熔断器选型方法。通过利用某大型工程项目中的参数来计算,并用多种短路仿真方法验证该熔断器的参数选择,得出由该分析方法得到的熔断器参数能够满足系统需求的结论。

Aiming to the bypass unit of large capacity special power supply, a novel method of model selecting for high speed fuse is proposed, which uses the current accumulation in time namely Current Thermal Effect Theory. The parameters calculation of a large engineering project has been made, and then the parameters selection of the fuse has been verified by various simulating methods. The conclusion reflects that the fuse＇s parameters can meet the requirements of the system.