智能变电站母线合并单元改造方案优化

Optimization of Transformation Scheme of Bus Merging Unit in Smart Substations

随着智能变电站运行技术的成熟,智能组件的改造需求越来越多,其中母线合并单元改造最为复杂,涉及母线上所有线路、主变、母联间隔,对于运行中的变电站有着重要影响。对某早期220 kV变电站扩建过程中母线合并单元改造方案进行了优化,对比了3种方案,给出了最优方案,并分析了现场工作的风险点,制订了分步实施的方案,有效减少现场施工风险,并成功实施。

With the maturity of smart substation operation technology,the itelligent components need to be further transformed.Among them,the transformation of busbar merging unit is the most complex,involving all the lines on the bus,the main transformer and the busbar interval,which has an important impact on the substation operation.This paper optimizes the transformation scheme of busbar merging unit in an early 220 kV substation expansion process,compares three schemes.gives the optimal scheme,analyzes the site work risks,and makes a step-by step imple-mentation scheme,which has effectively reduced the site construction risks and been successfully implemented.