【摘要】 简要介绍了交直电力机车智能无源接地检测装置的工作原理,指出原主电路接地保护的局限性。阐述了更新接地检测装置的必要性,分析了智能无源接地检测装置检测不同接地点的基本原理。更多还原

【Abstract】 Operation principle of the intelligent passive grounding detector for AC-DC electric locomotives is briefly introduced. Disadvantages of the original grounding protection of the main circuit are pointed out. The necessity to update the grounding detector is forward and basic principle is analyzed for the detection of different grounding points by the intelligent passive grounding detector.更多还原