Vol. 56, No. 2, 2020

Applied Solar Energy

Direct Conversion of Solar Energy into Electrical Energy

Unity Efficiency and Zero-Oscillations Based MPPT for Photovoltaic Systems

Yacine Triki, Ali Bechouche, Hamid Seddiki and Djaffar Ould Abdeslam p. 75 abstract

DC-Current Sensor-Less MPPT Based Grid-Fed Single-Phase Photovoltaic (PV) Micro-Inverter

Shabbir S. Bohra p. 85 abstract

Fabrication of Thin-Film Solar Cells Based on CdTe Films and Investigation of Their Photoelectrical Properties

T. M. Razykov, K. M. Kuchkarov, B. A. Ergashev and Sh. A. Esanov p. 94 abstract

Solar Energy Concentrators

Ultraviolet Concentration Factor of a Truncated Compound Parabolic Concentrator under Different Weather Conditions

E. Saettone, F. Paredes, J. Quino, S. Ponce and R. Eyzaguirre p. 99 abstract

Solar Units and Their Application

Solar Heat Supply in Russia

V. A. Butuzov, V. V. Butuzov, E. V. Bryantseva and I. S. Gnatyuk p. 107 abstract

Increasing the Convective Heat Transfer Coefficient Inside Heat Removal Channels of Sheet-Piped Light-Absorbing Panels of Flat-Plate Solar Collectors in the Laminar Flow Regime of Heat Transfer Fluid

R. R. Avezov, A. U. Vokhidov, U. H. Ibragimov and A. Yu. Usmanov p. 114 abstract

Autonomous Multifunctional Measuring Device for Monitoring the Characteristics of Photovoltaic Modules

Sh. R. Davronov p. 118 abstract

A Study of the Parameters of a Combined Photo-Thermoelectric Installation under Field Conditions

I. A. Yuldoshev, S. K. Shoguchkarov, A. R. Kudratov and T. R. Jamolov p. 125 abstract

Solar Power Plants

Monitoring System for Small-Scale Photovoltaic Plants

N. A. Matchanov, B. N. Butunbayev, D. Sh. Saidov and K. A. Bobojonov p. 131 abstract

Renewable Energy Sources

Multi-Objective Optimization of Complex Measures on Supplying Energy to Rural Residential Buildings in Uzbekistan Using Renewable Energy Sources

A. Halimov, M. Nürenberg, D. Müller, J. Akhatov and Z. Iskandarov p. 137 abstract

Determination of Power Flows in Microgrids with Renewable Energy Sources by Using Special Computer Programs