【摘要】 针对干式低抗多次在运行中起火烧毁和表面出现严重的树枝状放电故障 ,进行了绝缘材料的热老化性能试验、电抗器运行中温度测量、投切电抗器过电压测量以及运行电抗器解体分析试验和材料的漏电起痕等试验 ,揭示了干式电抗器故障的原因 ,并提出了反事故措施更多还原

【Abstract】 Aimed at the special feature of dry LV reactor fault caused by fire and creeping discharge on reactor surface, the thermal aging test of material, determination of temperature rise in normal condition, and overvoltage during switching operation were carried out. Inspection of disassembled failured reactor and discharging mark on material, the cause of reactor fault is revealed and remedy proposed.更多还原