A Drift free Perturb & Observe MPPT in PV system

被引：0
作者：
Waghmare, V. B. [1 ]
Swapnali, Nikate C. [1 ]
机构：
[1] Govt Coll Engn, Dept Elect Engn, Karad, India
来源：
PROCEEDINGS OF THE 2017 IEEE SECOND INTERNATIONAL CONFERENCE ON ELECTRICAL, COMPUTER AND COMMUNICATION TECHNOLOGIES (ICECCT) | 2017年
关键词：
PV system; Maximum power point tracking (MPPT); Perturb and Observe (P&O) algorithm; Drift phenomenon and SEPIC converter; POWER-POINT TRACKING; PHOTOVOLTAIC ARRAYS; PERFORMANCE;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
An efficiency of Photovoltaic (PV) systems depends upon the maximum power point tracking techniques. It helps to boost output power of PV array by tracking until the maximum power point reach which is depends upon the ambient temperature &solar insolation which is falls on the PV cell. Perturb and observe is inoffensive &efficient MPPT algorithm. However, raise in an insolation (G) then the P&O algorithm confused or taken improper decision at changing primary step of duty-cycle therefor it develop the drift. It is the vital demerit of the P&O MPPT algorithm. It is rigorous at rapid increases in irradiations. To avoid the drawback in P&O algorithm, then proposed modified P&O algorithm by changing the current (dI) in the decision process also changes the power (dP) &voltage (dV). In this paper drift phenomenon &their results are discussed. SEPIC converter are proposed with direct duty ratio control technique for free from drift in P&O MPPT MATLAB/Simulation shows that the proposed algorithm are avoids the drift in rapid change in atmospheric condition.
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页数：5
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