NDLI: High-efficiency MPPT method based on irradiance and temperature measurements

Content Provider	IET Digital Library
Author	Vicente, Eduardo Moreira Vicente, Paula dos Santos Moreno, Robson Luiz Ribeiro, Enio Roberto
Abstract	Maximum power point tracking (MPPT) is essential in off-grid and grid-tied photovoltaic (PV) applications to extract the maximum available power. This study presents a new MPPT technique named irradiance and temperature (I&T) method. This technique uses the estimation of irradiance and measurement of temperature to define the MPP. It is based on the observation of irradiance effects in PV module current and temperature dependency of PV module voltage. The irradiance will be evaluated through the measurement of short-circuit current. In addition, temperature reading is employed to determine its effects in temperature-dependent variables, thus providing higher efficiency to the I&T method. Good stability in steady state and fast tracking speed, in different conditions of irradiance and temperature, are important features of this technique. Experimental tests compared the performance of the I&T method with conventional and parameter-based methods. The performed tests highlight the effectiveness of the proposed method at uniform and dynamic weather conditions.
Starting Page	986
Ending Page	995
Page Count	10
ISSN	17521416
Volume Number	14
e-ISSN	17521424
Issue Number	Issue 6, Apr (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-rpg/14/6
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-rpg.2019.0849
Journal	IET Renewable Power Generation
Publisher Date	2020-01-08
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Conventional Parameter-based Method Dynamic Weather Condition Grid-tied Photovoltaic Application High-efficiency MPPT Method I&T Measurement Irradiance Effect Maximum Available Power Maximum Power Point Trackers MPPT Technique Off-grid Photovoltaic Power System PV Module Voltage Solar Power Stations Temperature Dependency Temperature Reading Temperature-dependent Variables Uniform Weather Condition
Content Type	Text
Resource Type	Article
Subject	Renewable Energy, Sustainability and the Environment

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