CAJ | 학술논문

随钻仪器受到自身结构和工作环境影响,因此需要使用多路电源系统供电并可以可靠自动切换。由于供电主体为电池,该电源系统还需要具有较高的转换效率以提高仪器工作时间。本文设计了一种随钻电源系统。该系统可完成随钻仪器在不同供电来源间根据设计进行自动切换。并且提供井下仪器需求的各路次级电源。二次电源转换部分采用BUCK型开关电源设计,在保证转换效率的基础上减小输出纹波。仿真和测试结果表明该系统能可靠切换且功耗低,稳定性好,满足随钻测井仪器需求。
수찬의기수도자신결구화공작배경영향,인차수요사용다로전원계통공전병가이가고자동절환。유우공전주체위전지,해전원계통환수요구유교고적전환효솔이제고의기공작시간。본문설계료일충수찬전원계통。해계통가완성수찬의기재불동공전래원간근거설계진행자동절환。병차제공정하의기수구적각로차급전원。이차전원전환부분채용BUCK형개관전원설계,재보증전환효솔적기출상감소수출문파。방진화측시결과표명해계통능가고절환차공모저,은정성호,만족수찬측정의기수구。
Multiple power system which can be reliable switch is needed to use in logging while drilling（LWD） equipment by the influence of structure and working environment.A power supply system for LWD equipment is designed.The system can switchover power supply according to different source,meanwhile supplies several second power for load.The second power is converted by BUCK DC-DC converters.Simulation and test results show that the system has advantages of reliable,low power consumption and high stability,meet the practical demand of LWD.