大型发电厂厂用电源切换的再思考

保证厂用电源的安全可靠对大型发电厂安全稳定运行至关重要,厂用电的切换在发电厂的各种操作中也比较复杂,比较关键。结合某电厂的实际运行状况,对发电厂中普遍采用的厂用电源快切方式进行了讨论,对其优缺点进行了深入分析,指出影响因素,提出了厂用电切换注意事项,以保证大型发电厂厂用电的成功切换,减少对厂用设备的损害。

Reconsideration on Switchover Scheme of Auxiliary Power Source in Large-scale Power Plant

The reliability of auxiliary power source is important to ensure the safe and stable operation of large-scale power plant,its switchover is complicated and pivotal among various operations.Based on the actual operating condition of a power plant,the existing switchover schemes are discussed,its advantages and disadvantages are analyzed,the influencing factors are pointed out,and the points for attention during switching over the auxiliary power source are put forward so as to ensure the successful switchover of auxiliary power source and reduce the harm on the equipment.