CSB-21C型微机备自投装置的应用

Application of CSB-21C microprocessor type of standby self-motion switch device

随着对电力系统优质服务的要求不断提高,电力系统中应用各种技术措施提高电网供电可靠性的工作日显重要。依据实例介绍了CSB-21C型分段开关备自投联切自动装置在中卫电网的应用方法,通过自动投入中压侧、低压侧分段开关的方式提高供电可靠性,并根据站内负荷情况实现多轮次自动切除部分负荷,保证主变的安全运行。详细说明了装置的接线方式及工作方案,通过分析备自投联切装置的动作条件和动作逻辑,提出应用的可行性。

With the demands of the power system excellent service increasing continually, it is more and more important to use various technical measures improving the reliability of power supply in the power system. Based on the practical examples, introduces the application of CSB-21C subsection switches of standby self-motion switch in Zhongwei power grid, through self-motion switch medium and low voltage side of the subsection switches, the device enhances the reliability of power supply. According to the substation load, realize multiple rounds of self-motion switch-off the part of load, guarantees safe operation of the main transformer. In detail describes the wiring methods and work program of the device. Through analyzing action of conditions and logic for standby self-motion switch device, puts forward the feasibility of the application.