摘要：【中文】本发明公开了一种磁集成双频变换器。其特征在于，包括直流电源、磁集成结构、输入滤波电容、输出滤波电容、第一开关器件、第二开关器件、第三开关器件、第四开关器件；磁集成结构在一个磁芯中集成了两个储能电感，两个电感工作在不同的频率下。磁集成双频变换器的高频单元用于提高系统动态响应速度和输出精度，低频单元对高频单元电流进行分流并承担输出功率，同时可以降低开关损耗。整个电路仅含有一个磁元件，大大减小了磁件的体积，进而提高功率密度。本发明能在高低频单元运行在不同频率下实现大功率、小体积、高效能量传递，特别适合于中大功率场合。本发明采用定频变占空比控制，具有很大的理论价值和实用价值。 【EN】The invention discloses a magnetic integrated double-frequency converter. The magnetic filter is characterized by comprising a direct-current power supply, a magnetic integrated structure, an input filter capacitor, an output filter capacitor, a first switch device, a second switch device, a third switch device and a fourth switch device; the magnetic integration structure integrates two energy storage inductors in one magnetic core, and the two inductors work under different frequencies. The high-frequency unit of the magnetic integrated double-frequency converter is used for improving the dynamic response speed and the output precision of a system, the low-frequency unit shunts the current of the high-frequency unit and bears the output power, and meanwhile, the switching loss can be reduced. The whole circuit only contains a magnetic element, so that the volume of the magnetic element is greatly reduced, and the power density is further improved. The invention can realize high-power, small-volume and high-efficiency energy transfer when the high-frequency and low-frequency units operate at different frequencies, and is particularly suitable for medium-high power occasions. The invention adopts constant-frequency variable duty ratio control, and has great theoretical value and practical value.

摘要：【中文】本发明公开了一种磁集成双有源桥变换器。其特征在于，包括原边全桥、副边全桥、磁集成结构、原边直流电源、副边直流电源、输入滤波电容、输出滤波电容；能量正向传递时原边全桥工作在逆变状态，副边全桥工作在整流状态，能量正向传递时副边全桥工作在逆变状态，原边全桥工作在整流状态。磁集成结构在一个磁芯中集成了储能电感、变压器两项功能。整个变换器仅含有一个磁元件，大大减小了磁性元件的体积，进而提高功率密度。本发明可在移相控制或不对称的PWM控制下实现大功率、小体积、高效双向能量传递。 【EN】The invention discloses a magnetic integrated double-active-bridge converter. The magnetic integrated circuit is characterized by comprising a primary side full bridge, a secondary side full bridge, a magnetic integrated structure, a primary side direct current power supply, a secondary side direct current power supply, an input filter capacitor and an output filter capacitor; when energy is transmitted in the forward direction, the primary side full bridge works in an inversion state, the secondary side full bridge works in a rectification state, when the energy is transmitted in the forward direction, the secondary side full bridge works in the inversion state, and the primary side full bridge works in the rectification state. The magnetic integration structure integrates two functions of an energy storage inductor and a transformer in a magnetic core. The whole converter only contains one magnetic element, so that the volume of the magnetic element is greatly reduced, and the power density is further improved. The invention can realize high-power, small-volume and high-efficiency bidirectional energy transfer under phase-shift control or asymmetric PWM control.

摘要：【中文】本发明公开了一种基于GaN功率器件的整流系统，包括APFC模块、逆变模块、磁集成模块、整流模块、电压闭环模块和控制模块，APFC模块的输入端与市电连接，用于将市电电压转换为低纹波400V直流电；逆变模块的输入端与APFC模块的输出端电连接，用于将APFC模块输出的直流400V转换为交流400V；磁集成模块输入端与逆变模块输出端电连接，用于将交流400V转换为交流48V；整流模块输入端与磁集成模块输出端电连接，用于将交流48V转换为直流48V；电压闭环模块与整流模块输出端电连接，用于稳定系统输出电压为直流48V，以此符合变换器高效化、高频化、小型化的发展趋势并将系统更好的应用于大数据中心服务器、直流电机、通信电源。 【EN】The invention discloses a rectifying system based on a GaN power device, which comprises an APFC module, an inversion module, a magnetic integration module, a rectifying module, a voltage closed-loop module and a control module, wherein the input end of the APFC module is connected with a mains supply and is used for converting the mains supply voltage into low-ripple 400V direct current; the input end of the inversion module is electrically connected with the output end of the APFC module and is used for converting direct current 400V output by the APFC module into alternating current 400V; the input end of the magnetic integration module is electrically connected with the output end of the inversion module and is used for converting alternating current of 400V into alternating current of 48V; the input end of the rectifying module is electrically connected with the output end of the magnetic integration module and is used for converting alternating current (48V) into direct current (48V); the voltage closed-loop module is electrically connected with the output end of the rectification module and used for stabilizing the output voltage of the system to be direct current 48V, so that the development trend of high efficiency, high frequency and miniaturization of the converter is met, and the system is better applied to a large data center server, a direct current motor and a communication power supply.

摘要：【中文】本发明涉及一种能量双向流动节能装置及其能量双向流动控制方法，其特点是该装置由蓄电池、能量双向流动DC/DC变换器、开关1‑4和控制电路组成。当开关1、3闭合时，能量通过DC/DC变换器向负载供电；当开关1、4闭合时，能量从高压侧向低压侧流动时，输入电源通过DC/DC变换器给蓄电池充电，能量从低压侧流向高压侧时，蓄电池放电通过DC/DC变换器反馈回输入端；当开关2、3闭合时，蓄电池作为供电电源通过DC/DC变换器向负载供电。本发明适用场合多，控制灵活度高、结构简单，造价低。 【EN】The invention relates to an energy bidirectional flow energy-saving device and an energy bidirectional flow control method thereof, which are characterized in that the device consists of a storage battery, an energy bidirectional flow DC/DC converter, switches 1-4 and a control circuit. When the switches 1, 3 are closed, energy is supplied to the load through the DC/DC converter; when the switches 1 and 4 are closed, when energy flows from the high-voltage side to the low-voltage side, the input power supply charges the storage battery through the DC/DC converter, and when the energy flows from the low-voltage side to the high-voltage side, the storage battery discharges and is fed back to the input end through the DC/DC converter; when the switches 2, 3 are closed, the battery serves as a power supply source to supply power to the load through the DC/DC converter. The invention has the advantages of multiple application occasions, high control flexibility, simple structure and low manufacturing cost.