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详尽地分析了地电阻率观测系统的供电电源的发展过程 .对几种电源的技术指标和性能作出了评价 .在对几种电源的若干技术问题进行了分析和讨论后 ,指出对地电阻率观测系统的稳流电源的设计应采用高频开关电源技术 .介绍了作者设计的主电路图
The development process of power supply of earth resistivity observation system is analyzed in detail.The technical indicators and performance of several power sources are evaluated.After analyzing and discussing several technical problems of several power sources, The steady flow power of the observation system should be designed with high-frequency switching power supply technology.The author introduces the design of the main circuit