电力系统保护与控制2025，Vol.53Issue(13)：71-81,11.DOI:10.19783/j.cnki.pspc.241168
基于纹波峰值检测的逆变器多自由度能量信息一体化方法
Multi-degree-of-freedom energy-information integration method for inverters based on ripple peak detection
摘要
Abstract
Power electronic converters have the potential to transmit data.To meet the communication requirements of inverters,an integrated multi-degree-of-freedom energy-information method for inverters based on ripple peak detection is proposed.First,to address the issue that existing information demodulation methods cannot be directly applied to AC converters,a novel information demodulation method based on ripple peak detection is proposed.On this basis,power carriers are used as the medium for information transmission,and information is embedded into the original pulse signals of a single-phase voltage-type inverter through binary frequency shift keying(2FSK)to achieve the integration of energy and information.Furthermore,leveraging the characteristic of three-phase inverters having multiple power modulation waves,a multi-degree-of-freedom energy-information integration method is proposed.By using multiple power modulated waves as carriers and injecting data carriers as disturbance signals into different power modulated waves,synchronous modulation and demodulation of energy and information are achieved.Finally,simulation models and experimental platforms for inverters are built.The results show that a communication rate of 20 kbit/s can be achieved in single-phase voltage-type inverters and 2.5 kbit/s in three-phase voltage-type inverters,verifying the correctness and effectiveness of the proposed method.关键词
能量信息一体化/纹波峰值检测/逆变器/二进制频移键控/多自由度Key words
energy-information integration/ripple peak detection/inverter/binary frequency shift keying(2FSK)/multi-degree-of-freedom引用本文复制引用
李国华,谌智馨,冯泉..基于纹波峰值检测的逆变器多自由度能量信息一体化方法[J].电力系统保护与控制,2025,53(13):71-81,11.基金项目
This work is supported by the National Natural Science Foundation of China(No.51307076). 国家自然科学基金项目资助(51307076) （No.51307076）
辽宁省科技厅博士科研启动计划项目资助(2021-BS-273) （2021-BS-273）
