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针对海洋油田测井装置完全依靠地面电源长距离供电的现状,为提高供电电源的稳定性,实现恒流/恒压供电和任意设定输出电压/电流,基于单片机SPMC75F2413A和移相谐振芯片UC3875研究设计了一种新的控制方法,实现了直流供电电压和电流的双PI闭环控制,从而实现了电流的快速调节和电压/电流连续可调。实验结果证明该电源装置设计方案新颖,技术先进,性能指标优越,可以在海洋油田测井行业内推广应用。
In order to improve the stability of power supply, realize the constant current / constant voltage power supply and set the output voltage / current arbitrarily, aiming at the situation that the offshore oil well logging device relies entirely on the long-distance power supply of the ground power supply, based on the study of single-chip SPMC75F2413A and phase-shifting resonant chip UC3875 A new control method is designed to realize double PI closed-loop control of DC supply voltage and current, so that the current can be quickly adjusted and the voltage / current can be continuously adjusted. Experimental results show that the power supply design novel, advanced technology, superior performance indicators, can be in the offshore oil field logging industry to promote the use of.