随着科学技术的发展以及提高我国国防能力的需要，对军事设施的技术改造已被列为军事技术改造中的重点。中频电源指输出频率为400Hz的电源，它可以为动力系统及导航与武备系统供电。-With the development of technology and the increasing requirements of national defense, the technical innovation on military establishment has become the key part