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Whitepapers from India Renewable Energy

Optimal Sizing of a Hybrid Grid-Connected Photovoltaic–Wind–Biomass Power System

Hybrid renewable energy systems (HRES) are a trendy alternative to enhance the renewable energy deployment worldwide. They effectively take advantage of scalability and flexibility of these energy sources, since combining two or more allows counteracting the weaknesses of a stochastic renewable energy… read more →


Ag Nanoparticle Enhanced Light Trapping in Hydrogenated Amorphous Silicon Germanium Solar Cells on Flexible Stainless Steel Substrate

Silver nanoparticle (Ag NP) enhanced back reflector (BR) has been used for effective light trapping in thin-film silicon solar cells. In this letter, we demonstrate experimentally that the photocurrent density of hydrogenated amorphous silicon–germanium alloy (a-SiGe:H) based solar cells are enhanced… read more →

Posted in: Solar Energy,


Novel Airfoil Design for Small Horizontal Axis Wind Turbine : A Preliminary Result

Various research efforts have been directed towards the design and re-design of wind turbine systems. This is in order to have more efficient, better performing and cost effective turbine systems. Based on this, efforts have been focused on wind turbine rotor design with emphasis placed on its aerodynamics.… read more →

Posted in: Wind Energy,


Modeling, Analysis and Comparison of Solar Photovoltaic Array Configurations under Partial Shading Conditions

The main purpose of this paper is to model, study and analyze the performance of different photovoltaic (PV) array configurations under various partial shading conditions (PSC). The aim is to improve the efficiency of PV systems in general by reducing mismatch losses and to select the most appropriate… read more →

Posted in: Solar Photovoltaic,


System Identification and Controller Design for Individual Pitch and Trailing Edge Flap Control on Upscaled Wind Turbines

This paper extends the design, implementation and analysis of individual pitch and TEFs to a range of classically scaled turbines between 5 and 20 MW. In order to avoid designing controllers which favour a particular scale, identical scale-invariant system identification and controller design processes… read more →

Posted in: Wind Energy,


Influence of CdCl2 Activation Treatment on Ultra-thin Cd1-xZnxS/CdTe Solar Cells

Ultra-thin CdTe photovoltaic solar cells with an absorber thickness of 0.5 μm were produced by metal organic chemical vapour deposition onto indium tin oxide coated boroaluminosilicate glass. A wide band gap Cd1- xZnxS alloy window layer was employed to improve spectral response… read more →

Posted in: Solar Energy,


Simulation of Partial Shading on Solar Photovoltaic Modules with Experimental Verification

Rapidly growing energy demands and increased consciousness about the environment, PV installations are being increasingly employed in various applications like in communications and lighting,etc. However, one of the major challenges in using a PV source is that they are often subjected to partial shading… read more →

Posted in: Solar Photovoltaic,


Limitations of Ultra-thin Transparent Conducting Oxides for Integration into Plasmonic-enhanced Thin-film Solar Photovoltaic Devices

This study investigates ultra-thin transparent conducting oxides (TCO) of indium tin oxide (ITO), aluminum-doped zinc oxide (AZO) and zinc oxide (ZnO) to determine their viability as candidate materials for use in plasmonic-enhanced thin-film amorphous silicon solar photovoltaic (PV) devices. First… read more →

Posted in: Solar Photovoltaic,


A Study on the Underwater Performance of a Solar Photovoltaic Panel

Photovoltaic cells are prone to thermal degradation as surface temperature exceeds critical value. Temperature reduction is one of the options for efficiency improvement. An attempt is made to analyze the cooling effect on temperature drop. At different depths and for various flow rates of water in… read more →

Posted in: Solar Photovoltaic,


Design Space Exploration of Gyrocopter-type Airborne Wind Turbines

This paper presents a multidisciplinary framework for the design and analysis of gyrocopter-type airborne wind turbines. In this concept, four rotary wings provide lift to a flying vehicle, and excess power is extracted using gearboxes and generators before being transferred to the ground through electrical… read more →

Posted in: Wind Energy,

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