Hardware Implementation and Steady-State Analysis of ZVS-PWM Cuk Converter Based MPPT for Solar PV Module

2012 ◽  
Vol 13 (4) ◽  
Author(s):  
M. Vaigundamoorthi Muthusamy ◽  
Ramesh R. Ramadoss
Keyword(s):  
Steady State ◽  
Electromagnetic Compatibility ◽  
Solar Pv ◽  
Cuk Converter ◽  
Switching Losses ◽  
Pv Panel ◽  
Pv Module ◽  
Harmonic Content ◽  
Steady State Stability ◽  
Fft Analysis

Abstract The main objective of this paper is to design and implement a ZVS-PWM Cuk converter to extract maximum power from solar PV module which uses Adaptive Perturb and Observer (APAO) algorithm. ZVS-PWM cuk converter is the interface between the solar PV panel and load. In order to improve electromagnetic compatibility and to reduce the switching losses across the switches, the soft switching (ZVS) has been implemented for Cuk converter, resulting in high converter conversion efficiency with less EMI at high-frequency operation. The harmonic content that each of the converter circuit produces is examined using FFT analysis. The implemented adaptive PAO algorithm improves the steady state stability and dynamic response when compared to the conventional PAO method. This algorithm is simulated using MATLAB/Simulink and implemented using ATMEGA16 micro controller. Hardware validation is carried out for the converter with the solar PV panel with rating of 37W, and operating at 25 kHz.

scholarly journals Performance enhancement of photovoltaic systems with passive lossless cuk converter using non linear controller

2019 ◽  
Vol 17 (4) ◽  
Author(s):  
K. Kanimozhi ◽  
B. Raja Mohamed Rabi
Keyword(s):  
Performance Enhancement ◽  
Sliding Mode ◽  
Low Frequency ◽  
Prototype Model ◽  
Digital Implementation ◽  
Cuk Converter ◽  
Switching Losses ◽  
Pv Panel ◽  
Power Point ◽  
Control Equation

The A soft switched Cuk converter with Improved Perturb and Observe (P&O) based Maximum power point Tracker (MPPT) that uses a HybridSliding Mode (HSM) Controller is proposed to enhance performance of Photovoltaic (PV) generator. Conduction losses, voltage stress, and switching losses are reduced in soft switched Cuk converter by introducing a snubber cell which in turn improves Cuk converter efficiency. Sliding Mode Controller (SMC) is implemented in an Analog-Digital way. The main benefit of the proposed solution is that it is possible to split the sliding Mode (SM) control equation in two terms: the first one is characterized  by a combination of signals  wich can be defined as fast and a second part obtained by a combination of signals which can be defined as slow. The slower term suits the digital implementation because it van be treated as a linear control which works on the low frequency range and faster term implemented in analog way. Performance analysis of the Passive soft switched Cukconverter and conventional converter is ilustrated by simulation and experimental methods for various irradiation changes. Peak power is harvested from PV panel and optimal operating point is detected using HSM based MPPT method. The prototype model developed with SMP085P module validates the performance of modified Cuk converter.

scholarly journals Effect of Colour Spectrum and Plastic on the Performance of PV Solar System

2019 ◽  
Vol 8 (4) ◽  
pp. 10843-10846
Keyword(s):  
Output Power ◽  
High Efficiency ◽  
Solar Irradiation ◽  
Solar Pv ◽  
Primary Input ◽  
Pv Panel ◽  
Pv Module ◽  
Pv Cell ◽  
Different Types ◽  
Two Factors

Solar irradiation is the primary input for the solar PV module. Different types of PV module are used to get high efficiency such as polycrystalline, monocrystalline and amorphous PV module . Among all module polycrystalline PV cell is the most reliable one. Two valuable inputs of a solar PV cell are solar irradiation and temperature. For temperature, solar PV material is very sensitive. However, solar irradiation has many types of wavelengths, and each wavelength has a different effect on solar cell because each wavelength has different energy frequency. Energy frequency is the primary term which affects the output of PV panel.so in this paper two types of experimental analysis has done to know the effect of the colour spectrum, and another experiment has done to know the effect of different types of plastic on PV panel. The experimental data used to verify the efficiency and output power of the system. The results show how the output power and efficiency of PV affected by these two factors.

scholarly journals Effect of accumulated dust on the performance of solar PV module

2016 ◽  
Vol 6 (1) ◽  
pp. 9 ◽  
Author(s):  
Naznin Nahar Nipu ◽  
Avijit Saha ◽  
Md. Fayyaz Khan
Keyword(s):  
Short Circuit ◽  
Short Circuit Current ◽  
Open Circuit ◽  
Natural Phenomenon ◽  
Photovoltaic Module ◽  
Solar Pv ◽  
Thermal Camera ◽  
Standard Testing ◽  
Pv Panel ◽  
Pv Module

A Solar panel is rated such that it can yield optimum output under Standard Testing Conditions (STC). But due to different environmental factors the efficiency of the panel is reduced gradually after installation. Accumulation of dust on solar PV panel is one such natural phenomenon. When dust accumulates on the PV panel, the temperature of the cells increases which subsequently decreases the open circuit voltage. The short circuit current is also reduced as deposition of dust causes shading on the panel surface. As a result, the output power of the module decreases. In this paper, the effect of dust on the performance of the photovoltaic module has been studied. The increase in temperature due to dust accumulation has been visualized through the thermal camera and the reduction in power has been analyzed through PSpice simulation and experimental data for the different amount of dust accumulated.

Photovoltaic Systems with Passive Lossless Cuk Converter Using Hybrid Sliding Mode Control

2016 ◽  
Vol 25 (05) ◽  
pp. 1650036 ◽  
Author(s):  
K. Kanimozhi ◽  
A. Shunmugalatha
Keyword(s):  
Performance Enhancement ◽  
Sliding Mode ◽  
Pv System ◽  
Method Performance ◽  
Temperature Changes ◽  
Cuk Converter ◽  
Switching Losses ◽  
Pv Panel ◽  
Perturb And Observe ◽  
Power Point

In this paper, performance enhancement of Photovoltaic (PV) system is done by a passive lossless soft switched noninverting Cuk converter with Perturb and Observe (P&O) based maximum power point tracker (MPPT) that uses a hybrid sliding mode controller (SMC). In the proposed Cuk converter, conduction losses, voltage stress and switching losses are mitigated by introducing a snubber cell. Therefore, Cuk converter efficiency is improved which in turn increases efficiency of PV system. Peak power is continuously collected from PV panel and optimal operating point is detected using hybrid SMC based MPPT method. Performance analysis of the modified Cuk converter and conventional converter is illustrated by simulation and experimental methods for various irradiation and temperature changes. Experimental results verify the performance of modified Cuk converter implemented in PV system.

scholarly journals Optimally Tuned Interleaved Luo Converter for PV Array Fed BLDC Motor Driven Centrifugal Pumps Using Whale Optimization Algorithm—A Resilient Solution for Powering Agricultural Loads

Electronics ◽  
2020 ◽  
Vol 9 (9) ◽  
pp. 1445
Author(s):  
A. Darcy Gnana Jegha ◽  
M.S.P. Subathra ◽  
Nallapaneni Manoj Kumar ◽  
Aritra Ghosh
Keyword(s):  
Steady State ◽  
Optimization Algorithm ◽  
Phase 1 ◽  
Whale Optimization Algorithm ◽  
Bldc Motor ◽  
Solar Pv ◽  
Centrifugal Pumps ◽  
Pv Array ◽  
Switching Losses ◽  
Whale Optimization

The use of brushless direct current (BLDC) motors are gaining much prominence in water pumping systems (WPS), especially for agricultural purposes. In most cases, the BLDC based WPS is powered using electricity from the grid, which is vulnerable to disruptive events causing a resilience problem. However, to avoid the resilience issue, grid-interactive solar photovoltaics (PV) are being used, and this is due to the increased penetration of distributed generation sources into the grid. In these systems, based on the inherent nature of solar PV, power converters are preferred, and as a result, problems like switching losses and maintaining steady-state voltages are commonly seen. In this paper, a framework of PV powered WPS with scope for optimizing controller parameters is proposed to avoid the above-raised issues. Based on the proposed framework, the overall structure of the PV powered WPS is modeled, designed, and analyzed. In the proposed system, the power output from solar PV is fed to the BLDC motor and the grid. If any problem arises in obtaining the power from solar PV, grid-interaction helps to run the motor at required speeds making the WPS resilient to unexpected disruptions and vice versa. For retrieving the generated power from PV array, a positive interleaved Luo converter (I-Luo) is used, which boosts the output with minimum switching losses. To maintain the steady-state voltage at the output of the I-Luo converter, a proportional-integral (PI) controller whose parameters are tuned by whale optimization algorithm (WOA) is used. This voltage is fetched to the BLDC motor via a 3-phase (3-Ф) inverter and then to the grid via a single-phase (1-Ф) inverter. The overall system is simulated and experimentally validated, with a detailed analysis of the observed results. The results include the various performance characteristics of the solar PV, converter, and BLDC motor. Besides, by using the field-programmable gate array (FPGA) based SPARTAN6E controller, the performance of the I-Luo is examined experimentally.

Steady-state stability of the doubly fed synchronous machine

1968 ◽  
Vol 4 (1) ◽  
pp. 18-19 ◽  
Author(s):  
R.D. Jackson ◽  
B.W. Phillips
Keyword(s):  
Steady State ◽  
Synchronous Machine ◽  
Doubly Fed ◽  
Steady State Stability

scholarly journals A Simple Mismatch Mitigating Partial Power Processing Converter for Solar PV Modules

Energies ◽  
2021 ◽  
Vol 14 (8) ◽  
pp. 2308
Author(s):  
Kamran Ali Khan Niazi ◽  
Yongheng Yang ◽  
Tamas Kerekes ◽  
Dezso Sera
Keyword(s):  
Experimental Tests ◽  
Energy Yield ◽  
Power Electronic ◽  
Solar Pv ◽  
Partial Shading ◽  
Loss Analysis ◽  
Pv Systems ◽  
Pv Module ◽  
Pv Modules ◽  
In Series

Partial shading affects the energy harvested from photovoltaic (PV) modules, leading to a mismatch in PV systems and causing energy losses. For this purpose, differential power processing (DPP) converters are the emerging power electronic-based topologies used to address the mismatch issues. Normally, PV modules are connected in series and DPP converters are used to extract the power from these PV modules by only processing the fraction of power called mismatched power. In this work, a switched-capacitor-inductor (SCL)-based DPP converter is presented, which mitigates the non-ideal conditions in solar PV systems. A proposed SCL-based DPP technique utilizes a simple control strategy to extract the maximum power from the partially shaded PV modules by only processing a fraction of the power. Furthermore, an operational principle and loss analysis for the proposed converter is presented. The proposed topology is examined and compared with the traditional bypass diode technique through simulations and experimental tests. The efficiency of the proposed DPP is validated by the experiment and simulation. The results demonstrate the performance in terms of higher energy yield without bypassing the low-producing PV module by using a simple control. The results indicate that achieved efficiency is higher than 98% under severe mismatch (higher than 50%).

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