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In order to keep the numerical ratio between the branch current and the total current always lower than the rated extreme value standard, so as to avoid the current duty output of the high-frequency sensor element, the current-sharing control of the high-frequency current sensor based on the carrier frequency is designed. system. With the support of the IGBT drive circuit, three types of hardware application equipment such as capacitive transformers, current sharing inductance components, and filter current sensors are connected as needed, and then the real-time power converter equipment is determined according to the output level of the branch current in the DSP control unit. Connect the location to complete the development and implementation of the high-frequency current sensor current sharing control system. According to the characteristic conditions of the current cycle spectrum, calculate the calculated values ??of the first-order carrier index and the second-order carrier index, and combine the known carrier coefficient parameters to determine the current frequency covariance standard under the current situation, and realize the current transmission behavior estimation based on the carrier frequency. , match the execution conditions of software and hardware at all levels, and complete the design of the high-frequency current sensor current sharing control system. The experimental results show that with the application of the current sharing control system based on the carrier frequency, the maximum value of the ratio coefficient between the branch current and the total current will never exceed the rated extreme value condition, which can better suppress the occurrence of high-frequency sensor elements. The current duty output is in line with the actual application requirements.