Through analysis of the actuality and existent questions about voltage reactive-power integrated control in substation, this paper presents a fuzzy control method for substation reactive-power compensation based on Siemens PLC.

• 通过分析变电站电压无功综合控制现状和存在问题的基础上,提出一种基于西门子PLC实现的变电站无功模糊控制系统的实施方案。