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作 者:周项超 褚楚 郝旭媛 ZHOU Xiangchao;CHU Chu;HAO Xuyuan(HaiNan Nuclear Power Co.,Ltd.,Changjiang 572733,China)
出 处:《电工技术》2020年第18期95-97,101,共4页Electric Engineering
摘 要:结合阻抗继电器的工作原理,采用事件发生前后的机组暂态数据计算、运行状态波形分析、现场检查确认等分析方法,对一起应急柴油发电机误停机的事件进行详细分析,得出停机事件的原因为阻抗继电器的A、C两相电流输入接线反接。通过对接线错误的纠正,保证了柴油发电机组的运行安全。Combining the working principle of impedance relay,and using analysis methods such as calculation of unit transient data before and after the event,waveform analysis of operating status,and on-site inspection confirmation,a detailed analysis of an accident of emergency diesel generator shutdown was made.It was concluded that the cause of the shutdown event was the reverse connection of the A and C phase current input wiring of the impedance relay.By correcting the wiring errors,the safety of the diesel generator set was guaranteed.
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