Comprehensive Analysis and Gain Derivation of Phase-Shifted Dual-Input LLC Converter

被引：3
|
作者：
Alhatlani, Abdullah [1 ]
Ghosh, Sumana [2 ]
Batarseh, Issa [2 ]
机构：
[1] Imam Mohammad Ibn Saud Islamic Univ IMSIU, Dept Elect Engn, Riyadh 11564, Saudi Arabia
[2] Univ Cent Florida, Dept Elect & Comp Engn, Orlando, FL 32816 USA
来源：
IEEE ACCESS | 2022年 / 10卷
关键词：
Switches; Zero voltage switching; Inductors; Steady-state; Time domain analysis; Maximum power point trackers; Inverters; Characteristic curve; DC gain; dual-input; frequency-shift modulation; LLC resonant converter; phase-shift modulation; maximum power point tracking; DC-DC CONVERTER; INVERTER; TOPOLOGY;
D O I：
10.1109/ACCESS.2022.3219820
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper presents a comprehensive time-domain analysis of the dual-input LLC converter. By utilizing PSM and FSM, the converter power stage interfaces two photovoltaic (PV) panels to achieve maximum power point tracking (MPPT). The detailed mode-by-mode operation and steady-state analysis are derived using three parameters: the switching frequency, phase shift, and load weight. Furthermore, the DC gain equations of each PV panel and their characteristic curves are derived. In addition, the waveform boundaries and ZVS analysis are discussed as well. Moreover, an extended perturbation & observation (P&O) algorithm that guarantees achieving MPPT for each panel is proposed. Finally, the theoretical analysis has been tested and verified by a 450-W prototype of dual-input LLC converter.
引用
收藏
页码：116796 / 116807
页数：12
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