Operating Characteristics of the P&O Algorithm at High Perturbation Frequencies for Standalone PV Systems

被引：133
|
作者：
Elgendy, Mohammed A. [1 ,2 ]
Zahawi, Bashar [1 ,3 ]
Atkinson, David J. [1 ]
机构：
[1] Newcastle Univ, Sch Elect & Elect Engn, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England
[2] Desert Res Ctr, New & Renewable Energy Dept, Cairo, Egypt
[3] Khalifa Univ, Dept Elect & Comp Engn, Elect Power Engn, Abu Dhabi, U Arab Emirates
来源：
IEEE TRANSACTIONS ON ENERGY CONVERSION | 2015年 / 30卷 / 01期
基金：
英国工程与自然科学研究理事会;
关键词：
DC-DC power conversion; maximum power point tracking (MPPT); photovoltaic (PV) power systems; PV pumping; POWER POINT TRACKING; SIMULATOR; INVERTER; SCHEME;
D O I：
10.1109/TEC.2014.2331391
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：
The perturb and observe (P&O) algorithm is one of the most commonly utilized maximum power point tracking (MPPT) control schemes for photovoltaic (PV) generators. However, the operation of this algorithm at high perturbation frequencies, when the system response to MPPT perturbations is never allowed to settle, has not been given adequate attention in the literature. This paper characterizes system behavior in this mode of operation for standalone PV systems feeding resistive loads and motor-pump loads. Simulation and experimental results show that the P&O algorithm operating at a high perturbation frequency may offer higher energy utilization efficiency and better system performance, despite the resulting nonperiodic waveforms of the system.
引用
收藏
页码：189 / 198
页数：10
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