梨园水电厂10 kV备自投优化及改造

Optimization and transformation of the 10 kV backup automatic switch system of Liyuan Hydraulic Power Plant

厂用电系统是水电厂最重要的负荷,其可靠性在很大程度上决定着电厂的安全运行。通过对梨园水电厂现在运行的厂用电PLC备自投系统进行原理剖析,找出10 k V厂用备自投系统存在的隐患,并有针对性地提出技术改进方案,使厂用电系统更加安全、稳定、可靠。

The auxiliary power is the most important load for a hydraulic power plant,and its reliability determines the safetyoperation of power plant to a great extent.Through analyzing the principle of operating auxiliary power PLC backup automatic switch system of Liyuan Hydraulic Power Plant,this paper found out the hidden troubles that exists in the 10 kV backup automatic switch system and proposed corresponding technical improvement schemes,which makes the auxiliary power system more safe,stable and reliable.