CAJ | 학술논문

架空输电线路动态载流量可以通过IEEE738-2006标准提供的公式进行计算,但在采用导线表面温度代替导线实际温度来计算导线载流量时会产生较大的误差.为了更准确地测量架空导线温度,通过对导线同一截面不同位置的温度深入研究,探究架空导线合适的测温方法.提出利用铝层包裹热电阻传感器探头的测温方法,解决导线表面温度与实际温度之间的差值问题.通过实验证明,测量值与导线真实温度误差在1.5℃以内.
가공수전선로동태재류량가이통과IEEE738-2006표준제공적공식진행계산,단재채용도선표면온도대체도선실제온도래계산도선재류량시회산생교대적오차.위료경준학지측량가공도선온도,통과대도선동일절면불동위치적온도심입연구,탐구가공도선합괄적측온방법.제출이용려층포과열전조전감기탐두적측온방법,해결도선표면온도여실제온도지간적차치문제.통과실험증명,측량치여도선진실온도오차재1.5℃이내.
@@@@The dynamic ampacity of overhead transmission lines can be calculated by the formula of IEEE 738-2006 standard. However,a larger error occurs as a result of using the surface temperature of wire instead of the actual wire temperature when calculating the ampacity. In order to measure the real temperature of overhead conductor, the paper explores a suitable temperature measurement through the further study about the temperature of different locations in the same section of the conductor. The method about using the aluminum layer to cover thermal resistance solves the problem about the differences between the surface temperature of wire and its actual temperature. The experimental results show that the error between the measured value and the real wire temperature is less than 1.5℃.