架空导线电阻温度系数测试与计算研究

Testing and Calculation Research on Temperature Coefficient of Resistance of Overhead Conductors

对各种类型的架空导线电阻温度系数进行了测试,并根据绞线电阻的计算方法,提出了绞线电阻温度系数的计算方法,据此计算了各种类型的绞线电阻温度系数。计算结果与测试结果吻合,表明该计算方法准确便捷,提高了电阻温度系数计算精度,降低了由此引起的误差。

Temperature coefficient of resistance for many different types of overhead conductors were tested,and a new calculation method for temperature coefficient of resistance of overhead conductors was derived based on the calculation method of resistance of overhead conductors.The calculation results are in good agreement with the test results,they show that the calculation method is precise and swift,which can improve the accuracy of temperature coefficient of resistance,and reduce the error during calculation.