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Technical Brief

Estimation of Most Frequent Conditions and Performance Evaluation of Three Photovoltaic Technology Modules

[+] Author and Article Information
Birinchi Bora

National Institute of Solar Energy,
Ministry of New and Renewable Energy,
Gurgaon 122003, India;
TERI University,
Plot No. 10 Institutional Area,
Vasant Kunj, New Delhi 110 070, India
e-mail: birinchibora09@gmail.com

O. S. Sastry

National Institute of Solar Energy,
Ministry of New and Renewable Energy,
Gurgaon 122003, India
e-mail: sastry284@gmail.com

Arun Kumar

National Institute of Solar Energy,
Ministry of New and Renewable Energy,
Gurgaon 122003, India
e-mail: arun.kumar81@nic.in

Renu

National Institute of Solar Energy,
Ministry of New and Renewable Energy,
Gurgaon 122003, India
e-mail: renu_eerem@yahoo.com

Manander Bangar

National Institute of Solar Energy,
Ministry of New and Renewable Energy,
Gurgaon 122003, India
e-mail: manander.bangar@gmail.com

B. Prasad

TERI University,
Plot No. 10 Institutional Area,
Vasant Kunj, New Delhi 110 070, India
e-mail: basudev.prasad@teriuniversity.ac.in

Manuscript received March 1, 2015; final manuscript received June 28, 2016; published online August 3, 2016. Assoc. Editor: M. Keith Sharp.

J. Sol. Energy Eng 138(5), 054504 (Aug 03, 2016) (6 pages) Paper No: SOL-15-1047; doi: 10.1115/1.4034202 History: Received March 01, 2015; Revised June 28, 2016

In this paper, a performance evaluation technique using most frequent conditions (MFC) for accurate design of photovoltaic systems, based on energy rating and site-specific standards is reported. Most frequent conditions are estimated for the three different technologies: multicrystalline silicon (mc-Si), amorphous silicon (a-Si), and hetero-junction with intrinsic thin layer (HIT) for the site based on air-mass, module temperatures, incident in-plane irradiance, and power output. The performances are analyzed over a period of 3 years by evaluating changes in the performance ratio, the energy yields, and the percentages of occurrence of data points corresponding to standard test condition (STC), nominal operating cell temperature (NOCT), and MFC. For MFC, performance ratio (PR) values are ranging from 0.70 to 0.83, 0.70 to 0.86, and 0.70 to 0.90 for mc-Si, a-Si, and HIT, respectively. The total energy yield of HIT is the highest followed by a-Si and mc-Si modules for this climatic zone.

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Figures

Grahic Jump Location
Fig. 1

Distribution of incident in-plane irradiance for three years (2010, 2011, and 2012) at NISE (a) Occurring frequency (%) and (b) in plane irradiation (%)

Grahic Jump Location
Fig. 2

Contour graphs of incident in-plane irradiation as a function of air mass and module temperature for January 2010 to December 2012 for (a) a-Si, (b) HIT, and (c) mc-Si module technologies

Grahic Jump Location
Fig. 3

Contour graphs of percentage of occurrence of data points corresponding to three different module temperature conditions, 25 °C ((a) a-Si, (b) HIT, and (c) mc-Si0, 40 °C ((d) a-Si, (e) HIT, and (f) mc-Si] and temperature corresponding to thecondition of maximum integrated irradiation occurred throughout the period studied ((g) a-Si, (h) HIT, and (i) mc-Si) as a function of AM and incident in-plane irradiance (kW/m2)

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