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针对目前电力系统中无功补偿的需要,以16位单片机为微控制核心,复杂可编程逻辑器件为数字设计载体,采用基于门控晶闸管的电子开关电压过零触发技术,实行了动态无功补偿装置的设计。实验结果与理论分析显示装置性能良好,表明该单片机+复杂可编程逻辑器件+门控晶闸管的方案切实可行,能有效提高系统的可靠性与实时性。在介绍硬件设计方案和软件流程的同时,重点对系统的结构、信号采集、开关量处理与系统软件设计给予叙述。
Aiming at the need of reactive power compensation in power system, a 16-bit single-chip microcomputer is used as the core of micro-control, a complex programmable logic device is a digital design carrier, a gated thyristor-based electronic switch voltage zero-crossing triggering technique is adopted and a dynamic reactive power compensation Device design. The experimental results and theoretical analysis show that the performance of the device is good, indicating that the program of the one-chip computer + complex programmable logic device + gated thyristor is feasible and can effectively improve the reliability and the real-time performance of the system. While introducing the hardware design scheme and the software flow, the system structure, signal acquisition, switch processing and system software design are described emphatically.