New MPPT Technique using Phase-shift Modulation for LLC Resonant Micro-inverter

被引：0
作者：
Alamir, Nehmedo [1 ]
Ismeil, Mohamed A. [1 ]
Orabi, Mohamed [1 ]
机构：
[1] Aswan Univ, APEARC, Fac Engn, Aswan 81542, Egypt
来源：
2017 NINETEENTH INTERNATIONAL MIDDLE-EAST POWER SYSTEMS CONFERENCE (MEPCON) | 2017年
关键词：
LLC resonant converter; Micro-inverter; MPPT; Phase-shift control; CONVERTER;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
under varying environmental conditions, Maximum Power Point Tracking (MPPT) is an essential technique for photovoltaic (PV) systems. Most of MPPT techniques including the widely used one, Perturb and Observe (P&O) are proposed for conventional Pulse Width Modulated (PWM) converters. However, they are not suitable for resonant converters. Resonant converter is a type of high efficiency converters with the capability to operate at very high switching frequency which leads to reduces its footprint. In this paper, two-stage micro-inverter is presented based on the advantage of high efficiency resonant converter. A design of LLC resonant converter as pre-stage DC/DC with MPPT is discussed. For this purpose, phase-shift MPPT technique is proposed. To show the effectiveness of the proposed phase-shift MPPT for the LLC converter, a 300-W PSIM simulation model is designed and its results are presented.
引用
收藏
页码：1465 / 1470
页数：6
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