An Analog Control Strategy With Multiplier-Less Power Calculation Circuit for Flyback Microinverter

An Analog Control Strategy With Multiplier-Less Power Calculation Circuit for Flyback Microinverter
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反激式微逆变器无乘法器功率计算电路的模拟控制策略

DOI:
10.1109/tpel.2021.3056382
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发表时间:
2021-08
影响因子:
6.7
通讯作者:
Yao Wenxi
Yao Wenxi
中科院分区:
工程技术1区
文献类型:
--
作者:
Chen Min;Zheng Ruirui;Fu Yutai;Qi Jizhi;Han Fang;Jiang Feng;Yao Wenxi

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提出了一种反激式微型逆变器的模拟控制策略,通过无乘法器的功率计算电路计算输出功率,通过控制主开关管的最大占空比实现最大功率点跟踪。所提出的模拟控制方法非常简单,成本低。将其应用于100 W单相微逆变器的断续导通模式,仿真和实验结果验证了其可行性。
This letter proposed an analog control strategy for a flyback microinverter, which can calculate the output power by multiplier-less power calculation circuit, while the maximum power point tracking is realized by controlling the maximum duty cycle of the main switch. The proposed analog control method is quite simple with low cost. It is applied with a 100-W single-phase microinverter in a discontinuous conduction mode, and the simulation and experimental results demonstrate its feasibility.
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