直流融冰装置试验现状及改进对策

研究采用新研制的移动式试验装置对直流融冰装置进行大电流升流试验的可行性。分析采用纯电感负载对直流融冰装置进行大电流试验时存在的问题,研究一种直流融冰装置的移动式试验装置。通过仿真对该试验装置的参数进行了优化设计,并对直流融冰装置分别接纯电感负载和改进负载进行大电流升流试验情况分析、对比,验证了新试验装置的可行性。新试验装置能够对移动式及固定式直流融冰装置进行现场升流试验,并具有灵活性、普适性的特点,可节约变电站空间,避免重复投资。

Situation and Improved Countermeasures for DC Ice-melting Equipment Test

The feasibility of large current rising test for the DC ice- melting equipment by the new developed movable test equipment is studied. Problems in the large current test for the DC ice-melting equipment by using pure inductive load are analyzed. The movable test equipment for DC ice-melting equipment is developed. Parameters of the movable test equipment are optimally designed by simulation. Large current rising tests for the DC ice-melting equipment respectively by using pure inductive load and the modified load are analyzed and compared,which verify the feasibility of the new test equipment. The new test equipment can make field current rising test for movable and immovable DC ice-melting equipments,which has characteristics of flexibility and universality,and can save the substation ace and void overlapping investment.