Wu Rong Du Peng Wang Jian. Cause Analysis and Countermeasure for Differential Protection Malfunction of Main Transformer in One 500 kV Substation[J]. 2006, (4): 14-16+29.
Wu Rong Du Peng Wang Jian. Cause Analysis and Countermeasure for Differential Protection Malfunction of Main Transformer in One 500 kV Substation[J]. 2006, (4): 14-16+29.DOI:
500kV某变电站主变差动保护误动原因分析及对策
摘要
通过对发生在500 kV某变电站主变差动保护一次误动作情况的分析
探讨变电站地电位差对差动保护的影响
并对此次事故应吸取的教训和同类事故预防提出了对策和建议。
Abstract
Through the analysis on the malfunction of main transformer differential protection happened at one 500 kV substation
the influence of earth potential difference on differential protection in substation is discussed and the corresponding strategies and suggestions are proposed.