scholarly journals Modeling, Simulation and Implementation of PV System by Proteus Based on Two-diode Model

2020 ◽  
Vol 1 (1) ◽  
pp. 39-51
Author(s):  
Salam Jabr Yaqoob ◽  
Adel A. Obed
Keyword(s):  
Experimental Measurement ◽  
System Model ◽  
Measurement Information ◽  
Pv System ◽  
Real Component ◽  
Modeling Simulation ◽  
Pv Panel ◽  
Proposed Model ◽  
Mathematical Equations ◽  
Simulation Results

The outcome from the present work is to propose a two diodes PV system model using Proteus software. This model is instituted on mathematical equations that describe the analogous to a two diodes PV panel circuit. This includes the source of photocurrent, two diodes, a parallel, and series resistors. Since Proteus software provides in its library many electronic boards and microcontrollers, the associated model is simulated by this more accurate and nearest software to real time implementation. The proposed model is confirmed by emulating its specification through experimental measurement information. Hence, this PV system model is linked to the Arduino Board with sensors for current and voltage so as to attain and monitor the PV system quantities voltage, current and power. To validate the propose PV system experimentally, a real component of a prototype PV system has been implemented and the obtained results reveal its corresponding simulation results

Comparative Analysis of Grid Connected Photovoltaic Based Z-Source Inverter with PI and PID Controllers

2017 ◽  
Vol 14 (1) ◽  
pp. 577-584
Author(s):  
S Kamalakkannan ◽  
D Kirubakaran
Keyword(s):  
Comparative Analysis ◽  
Pid Controllers ◽  
Grid System ◽  
Pv System ◽  
Matlab Simulink ◽  
Pv Inverter ◽  
Pv Panel ◽  
Time Period ◽  
Ac Current ◽  
Simulation Results

In this work, a grid system attached Z-Source inverters for PV system with perturb and observation algorithm is projected for changing irradiance and to use full obtainable PV power. The boost operation of PV power is attained in inverter using the perception of shoot-through time period. The PV inverter is an important component in a PV system. It executes the conversion of variable DC output of the PV panel module(s) in to pure sinusoidal 50Hz AC current. This pure sinusoidal AC in turn is fed to the grid connected system. The simulation is carried out in Matlab/Simulink platform and benefits of projected systems are emphasised with the aid of simulation results.

A Discrete Control System Model for the Traverse Grinding Process

1992 ◽  
Vol 206 (1) ◽  
pp. 19-27 ◽  
Author(s):  
Y Gao ◽  
B Jones
Keyword(s):  
Control System ◽  
System Model ◽  
Discrete Control ◽  
Grinding Process ◽  
Discrete Control System ◽  
Proposed Model ◽  
Mathematical Equations ◽  
Control System Model ◽  
Physical Laws ◽  
Traverse Grinding

A discrete control system model for the traverse grinding process is established on the basis of the physical laws associated with the process together with mathematical equations describing the workpiece radius distribution and parallelism error. The proposed system model is verified by good agreement obtained from a comparison of the theoretical radius distribution and parallelism error values based on the proposed model with those obtained from a traverse grinding experiment. The control system model is suitable for both plain and multi-diameter roller-type workpieces.

scholarly journals Behavioral Characteristics of Photovoltaic Cell with Different Irradiation in Matlab/Simuling/Simscape Environment

2014 ◽  
Vol 36 ◽  
pp. 316-326 ◽  
Author(s):  
Hamisu Usman ◽  
S.M. Lawal ◽  
R.S. Shehu
Keyword(s):  
Mathematical Modeling ◽  
Carbon Dioxide ◽  
Electricity Generation ◽  
System Simulation ◽  
Photovoltaic Cell ◽  
Behavioral Characteristics ◽  
Pv System ◽  
Matlab Simulink ◽  
Proposed Model ◽  
Simulation Results

Photovoltaic technology is one of the fastest growing energy among the different type of renewable energies that are available for electricity generation. This is due to the availability of the natural sun rise, and the non polluted energy that is free from emission of carbon dioxide (CO2). This paper presents a typical modeling of photovoltaic cell under different irradiations level, in order to monitor the behavior of the (Voltage-Current) V-I and (Power-Voltage) P-V characteristics. The simulation of the proposed model was performed in MATLAB/SIMULINK and Simscape environment. Single diode model of the PV system was presented in the mathematical modeling of the proposed system. Simulation results of different I-V and P-V characteristics were also presented.

A Simplified GCS-DCSK Modulation and Its Performance Optimization

2016 ◽  
Vol 26 (13) ◽  
pp. 1650213 ◽  
Author(s):  
Weikai Xu ◽  
Lin Wang ◽  
Chong-Yung Chi
Keyword(s):  
Power Allocation ◽  
Performance Optimization ◽  
Gaussian Approximation ◽  
System Model ◽  
Optimal Power Allocation ◽  
Optimal Power ◽  
Proposed Model ◽  
Shift Keying ◽  
Simulation Results ◽  
Chaos Shift Keying

In this paper, a simplified Generalized Code-Shifted Differential Chaos Shift Keying (GCS-DCSK) whose transmitter never needs any delay circuits, is proposed. However, its performance is deteriorated because the orthogonality between substreams cannot be guaranteed. In order to optimize its performance, the system model of the proposed GCS-DCSK with power allocations on substreams is presented. An approximate bit error rate (BER) expression of the proposed model, which is a function of substreams’ power, is derived using Gaussian Approximation. Based on the BER expression, an optimal power allocation strategy between information substreams and reference substream is obtained. Simulation results show that the BER performance of the proposed GCS-DCSK with the optimal power allocation can be significantly improved when the number of substreams [Formula: see text] is large.

scholarly journals Analisis Arus Bocor pada Sistem PLTS Terhubung ke Jaringan Tanpa Transformator Terhadap Keselamatan Manusia

Electrician ◽  
2020 ◽  
Vol 14 (3) ◽  
pp. 95-99
Author(s):  
Diah Permata ◽  
Hekson Yulian N ◽  
Endah Komalasari
Keyword(s):  
Leakage Current ◽  
Parasitic Capacitance ◽  
Matlab Simulation ◽  
Pv System ◽  
Common Mode ◽  
Phase Inverter ◽  
Pv Panel ◽  
Simulation Results ◽  
Current Inverter ◽  
Maximum Limit

Intisari — Sistem PLTS yang terhubung ke jaringan tanpa transformator merasakan arus bocor akibat adanya kapasitansi parasitik pada panel surya yang diketanahkan dan hubungan galvanis antara sumber DC dan jaringan. Arus bocor berbahaya bagi keselamatan manusia yang menyentuh panel surya. Penelitian ini menghitung arus bocor melalui simulasi menggunakan Matlab. Rangkaian simulasi terdiri dari sumber DC PLTS, inverter satu fasa, sumber AC jaringan, filter dan kapasitansi parasitik. Kapasitansi Parasitik dimodelkan dengan sebuah kapasitor tunggal. Kondisi panel basah atau kering memberikan nilai kapasitansi yang berbeda. Hasil simulasi menunjukkan bahwa kondisi panel basah menghasilkan arus bocor sepuluh kali lebih tinggi dari kondisi panel kering. Arus bocor pada kedua kondisi masih dibawah batas maksimum standar keselamatan mengacu pada DIN VDE 0126-1-1.Kata kunci — arus bocor, PLTS, kapasitansi parasit, arus common mode, inverter.Abstract — PV system on grid transformerless experiences leakage current due to parasitic capacitance on grounded-PV panel and a galvanic connection between the grid and the dc source. Leakage current is harmful for human who touch the PV panel. This research calculates the leakage current via simulation using Matlab. Simulation circuit consists of DC source as PV system, one phase inverter, grid AC source, filter and parasitic capacitance. A single capacitor is used to model parasitic capacitance. Wet and dry condition of PV panel generate a different capacitance. The simulation results show wet PV panel produce a leakage current ten times higher than that in dry PV panel. The leakage curent either in wet and drycondition are below maximum limit of DIN VDE 0126-1-1 safety standard.Keywords— leakage current, PV system, parasitic capacitance, common mode current, inverter.

scholarly journals An Intelligent Maximum Power Point Using a Fuzzy Log Controller under Severe Weather Conditions

2018 ◽  
Vol 2018 ◽  
pp. 1-8 ◽  
Author(s):  
Khaled Bataineh
Keyword(s):  
Fuzzy Logic Controller ◽  
Fuzzy Controller ◽  
Weather Condition ◽  
Weather Conditions ◽  
Pv System ◽  
Maximum Power Point ◽  
Partial Shading ◽  
Pv Panel ◽  
Simulation Results ◽  
Power Point

This study is aimed at providing a comparison between fuzzy systems and convectional P&O for tracking MPP of a PV system. MATLAB/Simulink is used to investigate the response of both algorithms. Several weather conditions are simulated: (i) uniform irradiation, (ii) sudden changing, and (iii) partial shading. Under partial shading on a PV panel, multipeaks appeared in P-V characteristics of the panel. Simulation results showed that a fuzzy controller effectively finds MPP for all weather condition scenarios. Furthermore, simulation results obtained from the FLC are compared with those obtained from the P&O controller. The comparison shows that the fuzzy logic controller exhibits a much better behavior.

scholarly journals Different Techniques to Mitigate Partial Shading in Photovoltaic Panels

Energies ◽  
2021 ◽  
Vol 14 (13) ◽  
pp. 3863
Author(s):  
Tiago Alves ◽  
João Paulo N. Torres ◽  
Ricardo A. Marques Lameirinhas ◽  
Carlos A. F. Fernandes
Keyword(s):  
Cell Model ◽  
Research Work ◽  
Experimental Tests ◽  
Operating Conditions ◽  
Pv System ◽  
Partial Shading ◽  
System Architectures ◽  
Pv Systems ◽  
Advantages And Disadvantages ◽  
Pv Panel

The effect of partial shading in photovoltaic (PV) panels is one of the biggest problems regarding power losses in PV systems. When the irradiance pattern throughout a PV panel is inequal, some cells with the possibility of higher power production will produce less and start to deteriorate. The objective of this research work is to present, test and discuss different techniques to help mitigate partial shading in PV panels, observing and commenting the advantages and disadvantages for different PV technologies under different operating conditions. The motivation is to contribute with research, simulation, and experimental work. Several state-of-the-artsolutions to the problem will be presented: different topologies in the interconnection of the panels; different PV system architectures, and also introducing new solution hypotheses, such as different cell interconnections topologies. Alongside, benefits and limitations will be discussed. To obtain actual results, the simulation work was conducted by creating MATLAB/Simulink models for each different technique tested, all centered around the 1M5P PV cell model. The several techniques tested will also take into account different patterns and sizes of partial shading, different PV panel technologies, different values of source irradiation, and different PV array sizes. The results will be discussed and validated by experimental tests.

Wear of a Tool in Double-Disk Lapping of Silicon Wafers

2010 ◽  
Author(s):  
Adam Barylski ◽  
Mariusz Deja
Keyword(s):  
Experimental Data ◽  
Integrated Circuits ◽  
Tool Wear ◽  
Silicon Wafers ◽  
Silicon Ingot ◽  
Proposed Model ◽  
Tool Wear Prediction ◽  
Simulation Results ◽  
High Degree ◽  
Kinematical Parameters

Silicon wafers are the most widely used substrates for fabricating integrated circuits. A sequence of processes is needed to turn a silicon ingot into silicon wafers. One of the processes is flattening by lapping or by grinding to achieve a high degree of flatness and parallelism of the wafer [1, 2, 3]. Lapping can effectively remove or reduce the waviness induced by preceding operations [2, 4]. The main aim of this paper is to compare the simulation results with lapping experimental data obtained from the Polish producer of silicon wafers, the company Cemat Silicon from Warsaw (www.cematsil.com). Proposed model is going to be implemented by this company for the tool wear prediction. Proposed model can be applied for lapping or grinding with single or double-disc lapping kinematics [5, 6, 7]. Geometrical and kinematical relations with the simulations are presented in the work. Generated results for given workpiece diameter and for different kinematical parameters are studied using models programmed in the Matlab environment.

A Robust Trajectory Tracking Control Scheme of Two-Link Flexible Manipulator

2011 ◽  
Vol 328-330 ◽  
pp. 2108-2112
Author(s):  
Jing Shuang Lu ◽  
Chun Mei Du ◽  
Rui Zhou ◽  
Na Li
Keyword(s):  
Trajectory Tracking ◽  
Tracking Control ◽  
Vertical Plane ◽  
Flexible Manipulator ◽  
System Model ◽  
Error Signal ◽  
Dynamics Model ◽  
Trajectory Tracking Control ◽  
Control Scheme ◽  
Simulation Results

A simple dynamics model is established based on the two-link flexible manipulator moving within the vertical plane, and a robust simple control scheme is put forward. The advantages of this scheme are simple and good robustness. Only the error signal is needed when designing the control scheme and the acquirement of control signal does not depend on the system model. The simulation results show that this method has a good robustness and stability.

Online Dynamic Response Reconstruction in the Presence of Observation Outliers

2021 ◽  
Author(s):  
Chaodong Zhang ◽  
Jian’an Li ◽  
Youlin Xu
Keyword(s):  
Kalman Filter ◽  
Dynamic Response ◽  
Numerical Study ◽  
Frame Structure ◽  
System Model ◽  
Measurement Information ◽  
Model Errors ◽  
Process Noise ◽  
Robust Kalman Filter ◽  
Response Reconstruction

Previous studies show that Kalman filter (KF)-based dynamic response reconstruction of a structure has distinct advantages in the aspects of combining the system model with limited measurement information and dealing with system model errors and measurement Gaussian noises. However, because the recursive KF aims to achieve a least-squares estimate of state vector by minimizing a quadratic criterion, observation outliers could dramatically deteriorate the estimator’s performance and considerably reduce the response reconstruction accuracy. This study addresses the KF-based online response reconstruction of a structure in the presence of observation outliers. The outlier-robust Kalman filter (OKF), in which the outlier is discerned and reweighted iteratively to achieve the generalized maximum likelihood (ML) estimate, is used instead of KF for online dynamic response reconstruction. The influences of process noise and outlier duration to response reconstruction are investigated in the numerical study of a simple 5-story frame structure. The experimental work on a simply-supported overhanging steel beam is conducted to testify the effectiveness of the proposed method. The results demonstrate that compared with the KF-based response reconstruction, the proposed OKF-based method is capable of dealing with the observation outliers and producing more accurate response construction in presence of observation outliers.

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