The stability of power production in photovoltaics (PV) power plants is an important issue for large-scale gridconnected systems. This is because it affects the control and operation of the electrical grid. An efficient forecasting model is proposed in this paper to predict the next-day solar photovoltaic power using the Levenberg-Marquardt (LM) and Bayesian Regularization (BR) algorithms and r...

ABSTRACT: This paper presents a dynamic simulation and analysis of the "Sierra de María" photovoltaic system (Almería, South East of Spain), which consists of two identical subsystems with: 80 kWp photovoltaic array, 1176 kWh lead-acid batteries device, 150 kVA PWM inverter and 200 kVA six pulse rectifier. The simulation and analysis of the whole photovoltaic "Sierra de María" system was made t...

Short-term power prediction of the photovoltaic system is one of the effective means to reduce the adverse effects of photovoltaic power on the grid. Since the efficiency of the traditional support vector machine (SVM) prediction method is low, this paper proposes the SVM based on the parameter optimization method of quantum particle swarm optimization (QPSO), and then apply into the power shor...

2,4-Bis[4-(N,N-diisobutylamino)-2,6-dihydroxyphenyl] squaraine (SQ) was employed as a donor material in organic photovoltaic cells based on planar heterojunctions. We studied optical properties of SQ films, and discussed its photovoltaic performance via numerical fitting and simulation on the photovoltaic cells. Exciton diffusion length (LD) in SQ films (4.5 nm) derived from optical simulation ...

One might at first believe that knowledge of the photovoltaic effect is recent. In fact, we must go back to 1839 with the French physicist Edmund Becquerel who first discovered the photovoltaic effect. It was during the period between the second half of the 19th and the Second World War (1945) that scientific knowledge related to solar phenomena were mastered. Thus, in 1875, Werner von Siemens ...

In this study the photovoltaic system, which is a part of the hybrid system composed of solar and wind turbine also which is being planned to be settled at Söke Vocational School was examined. Primarily the photovoltaic system was settled in order to provide exterior lighting at Vocational school. The power of the photovoltaic system is 560Wp, and also it is able to provide exterior lighting fo...

Multilevel voltage source inverters offer several advantages compared to their conventional counterparts. By synthesising the AC output terminal voltage from several levels of voltages, staircase waveforms can be produced, which approach the sinusoidal waveform with low harmonic distortion, thus reducing filter requirements. The need of several sources on the DC side of the converter makes mult...

As MOS Transistors channel length continues to scale beyond 90nm, classical drift-diffusion model for carrier transport of such type of devices is not valid. For these dimensions of Transistors QuasiBallistic/ Ballistic transport phenomena occur and a new mobility model is required to predict electrical behavior of these devices perfectly. Selfheating is also one the importance critical problem...