PREDICTION METHOD OF CABLE TOLERANCE CURRENT USING SATURATED TEMPERATURE

摘要

A method for predicting a cable allowable current using a saturation temperature is provided to predict the allowable current by analyzing the saturation temperature of a cable according to an installation environment. An environment of a cable installed in a field or under construction is grasped and an installation condition of the cable in the field is inputted(S10). A saturation temperature table is comprised by measuring the saturation temperature while an ambient temperature and the installation condition are changed by using a simulator(S20). The field installation condition data is inputted to the saturation temperature table and the interpolation is performed. The currently predicted saturation temperature is calculated in real time(S30). The final allowable current is predicted by using the calculated saturation temperature(S40).