【摘要】 利用导线短时过负荷条件下的动态热平衡方程,在对导线增加电流负荷后,计算导线最高允许温度对应的允许过负荷时间,并以广东地区夏季典型气象条件为例,对比分析了不同规格的钢芯铝绞线(ACSR)最高允许温度、允许过负荷时间、载流量增量之间的规律。更多还原

【Abstract】 The dynamic thermal equilibrium equation was applied in the condition of short-term current overload of overhead conductors. The maximum allowable overload time corresponding to the maximum allowable temperature of conductors were computed,after increasing the current load. The laws between the maximum allowable temperature,maximum allowable overload time and ampacity increment were analyzed,comparing different specifications of ACSR in the summer typical weather conditions of Guangdong Province as an example.更多还原