MEC5330励磁系统短路试验电流跳变原因分析

Analysis on reason of current jump in short circuit test of MEC5330 excitation system

介绍了MEC5330励磁调节器在发电机变压器组短路试验时出现过的发电机定子电流跳变现象,通过分析励磁调节器在试验过程中引起发电机定子电流变化发生突变的背景和根源,以及对发电机变压器组系统的影响,提出了改进思路和发电机变压器组短路试验时应采取的改进措施,供处理类似问题时参考。

The generator stator current jump phenomenon occurred in short circuit test of the generator transformer set caused by MEC5330 excitation system was introduced.The background and reason of the current jump phenomenon in test process and the influence of the current jump phenomenon on the generator transformer set were analyzed.Based on the analysis,the improvement idea and the improvement measures for the short circuit test of the generator transformer set were proposed,which provides reference for treating similar problems.