摘要
介绍了一起因直供电用户设备故障造成某220 kV变电站2台主变故障跳闸的基本情况,结合现场设备对造成主变主保护动作的原因进行了分析和说明,并提出了相应的反事故措施及其对策,要求加强对用户设备监管,制定有针对性的保护定值调整方案,为设备安全稳定运行提供保障。
Introduction was made to the two sets of main transformer fault tripping basic situation in certain 220 kV substation due to the equipment fault of direct power purchaser. Combined with the onsite equipment, this paper analyzed and explained the causes of main transformer protection action, raising the corresponding anti-accident measures. Requirements were made to strengthen user equipment supervision and to set down objective protection set value adjustment plan, which provides safe and stable operation for equipment.
出处
《电工电气》
2013年第11期32-35,56,共5页
Electrotechnics Electric
关键词
变压器
直供用户
反事故措施
transformer
direct power purchaser
anti-accident measure