【摘要】 介绍了一种微机控制的高频高强度气体放电灯电子镇流器的基本原理;给出了详细的设计流程和关键参数的选取方法。论述了控制电路的控制策略和基本控制逻辑,通过单片机控制实现了电子镇流器的恒功率,调光、点火以及保护控制;给出了控制流程和实验结果。此外,根据实验结果对镇流器和灯的一些关键技术指标的性能进行了分析。更多还原

【Abstract】 Digital electronic ballast employing 8-bit microprocessor for HID lamps is proposed in this paper.The circuit implemented a digital method to keep the lamp power constant and offer a capability dimming the lamp from 100% to about 50%.Control flowchart and experimental results are given in this paper.Based on experimental data from the laboratory prototype,some key characteristics of technical index are analyzed.更多还原