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本文介绍了用单片计算机实现无功补偿自动控制的原理,以及单片机无功补偿自动控制器的硬件结构和程序框图。提出了用单片机实现无功补偿模糊控制、一次多步循环投切方式、按用电负荷修正cosφ下限值以及数字滤波减少冲击性负荷的影响等技术措施。
This paper introduces the principle of automatic control of reactive power compensation with single-chip computer and the hardware structure and the block diagram of the single-chip reactive power compensation automatic controller. Proposed the use of single-chip reactive power compensation fuzzy control, a multi-step cycle switching mode, according to the electricity load correction cosφ lower limit and digital filtering to reduce the impact of impact load and other technical measures.