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检索条件"主题词=MPPT algorithm"

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Induction Motor Drive for PV Water-Pumping System with High-Gain Non-Isolated DC-DC Converter

Induction Motor Drive for PV Water-Pumping System with High-...

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IEEE Conference on Power Electronics and Renewable Energy (IEEE CPERE)

作者： Waly, Hussein M. Osheba, Dina S. M. Azazi, Haitham Z. El-Sabbe, Awad E. Natl Water Res Ctr Dept Elect El Qanater Egypt Natl Water Res Ctr Mech & Elect Res Inst El Qanater Egypt Menoufia Univ Fac Engn Dept Elect Engn Shibin Al Kawm Egypt

ISBN: (纸本)9781728109107

This paper deals with a double stage standalone solar photovoltaic (PV) water pumping system. Using speed vector controlled Induction Motor Drive (IMD), motor speed estimated through stator flux. The system consists of a PV array, high-gain DC-DC converter, Three-Phase Voltage Source Inverter (VSI) and a motor-pump assembly. To extract maximum power from a solar PV system, a modified Maximum Power Point Tracking (mppt) technique is utilized. Field Oriented Control of an IMD (FOC-IMD) is applied to attain the soft starting of the motor. The system setup is prepared and simulated in the environment of MATLAB/Simulink. The modeling, control technique of the system is implemented. A prototype of the experimental model is advanced in the lab. The results achieved illustrate the system suitability for PV water pumping application.

关键词： Field-Oriented/Vector Control Photovoltaic (PV) mppt algorithm High gain DC-DC converter Water Pump Induction Motor Drive (IMD)

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Novel Derivative Cluster Area Methods (DCAM) for Power Optimization of PV Farm Under Dinamically Shading Effect 15

Novel Derivative Cluster Area Methods (DCAM) for Power Optim...

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15th International Conference on Quality in Research (QiR) - International Symposium on Electrical and Computer Engineering

作者： Rajagukguk, Antonious Priananda, Ciptian Weried Riawan, Dedet Candra Soedibyo Ashari, Mochamad Inst Teknol Sepuluh Nopember Dept Elect Engn Surabaya Indonesia Univ Riau Dept Elect Engn Pekanbaru Indonesia

ISBN: (纸本)9781509063970

Optimization method has been provided for optimizing output power of PV Farm under shaded. So far, many methods approaching the output power of PV Farm by tracking the Maximum Power Point (MPP) of PV farm using PV curve. The previous methods having complex problem when multiple of MPP is exist in P-V curve when PV farm under partially shaded condition. To overcome these problems so in this paper offers a new method in order to optimize the power output of PV farm for normal and under shaded condition. The new method was named Derivative Cluster Area Methods (DCAM). The method works by doing a comprehensive approach in areas (wide) of the current and voltage characteristic on I vs V curve of PV Farm. In addition to a comprehensive approach in this research area is also combined with a mechanism based on the cluster corresponding voltage levels on each string of PV Farm at normal and under shaded condition. The area where that was obtained by integrating the functions of the current Characteristic curve I vs. V has a large equivalent to the maximum of the power generated by the PV Farm. So that the total area of the mechanism of some cluster is the total power generated by the PV power plant Farm Under normal conditions or under shaded. The conclusion from this study showed that the power generated in a PV farm was increased when compared to the conventional method.

关键词： PV Farm Power Optimization DACM mppt algorithm Area Cluster Shaded Condition

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3-LEVEL Z-SOURCE INVERTER BASED PV SYSTEM WITH BIDIRECTIONAL BUCK-BOOST BESS

3-LEVEL Z-SOURCE INVERTER BASED PV SYSTEM WITH BIDIRECTIONAL...

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IEEE International Conference on Power Electronics, Drives, and Energy Systems (PEDES)

作者： Harshit Bhattacharya, Avik Indian Inst Technol Dept Elect Engn Roorkee Uttarakhand India

ISBN: (纸本)9781467388887

This paper presents a three-level ZSI for photovoltaic (PV) application to achieve single stage buck-boost (as per the solar variation). A single LC impedance network is used between DC voltage source (including PV array and a bidirectional buck-boost system) and neutral-point clamped (NPC) inverter. Alternative phase opposition and disposition (APOD) modulation technique with proper triplen offset and appropriate addition of time delay/advance is used to achieve the required boost in DC link voltage. Traditional mppt technique (like Perturbed and Observed (P&O)) does not allow boosting the Z-network capacitor voltage more than the maximum power point (MPP) voltage of the PV array. This paper presents a unified voltage control technique to track the mppt and also maintains the desired Z-source capacitor voltage level. The design, implementation and control of single impedance network based multilevel ZSI for photovoltaic application with BESS according to generation-demand is discussed. This proposed topology not only tracks mppt output voltage but also maintained constant output voltage with wide range of variation of insulation (irradiance). To validate the proposed scheme the system is extensively simulated in MATLAB/Simulink.

关键词： Z-Source Inverters Neutral point clamped (NPC) mppt algorithm Capacitor voltage control Bidirectional buck-boost Battery energy storage system(BESS)

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Implementation of Photovoltaic Inverter for High Power Agricultural Applications Using Interleaved Fly-back Topology 2

Implementation of Photovoltaic Inverter for High Power Agric...

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2nd International Conference on IEEE Technological Innovations in ICT for Agriculture and Rural Development (TIAR)

作者： Lydia, J. Vimalraj, S. Leones Sherwin Aishwariya, A. Easwari Engn Coll Dept Elect & Elect Engn Madras 89 Tamil Nadu India Panimalar Engn Coll Dept Elect & Commun Engn Madras 600123 Tamil Nadu India

ISBN: (纸本)9781509006151

In this present day scenario, the worldrevolves around the renewable energy which is a clean energy with less maintenance and production cost. One of methods to obtain the renewable energy is from solar energy using photovoltaic panel. In this project, the main aim is to produce high power of about 2KW which can be used for agricultural applications such as for pumping of water and also for residential applications. A prototype is implemented which can be extended to produce much higher power by connecting 5 panels in a string and 6 strings in parallel, which forms a part of a solar farm to produce 2KW. The design of photovoltaic inverter system is implemented using the interleaved fly-back topology. The proposed model adapts interleaving of three cell and snubber circuit which helps to achieve a smooth continuous current mode. When switch of the proposed one is operated at turn-on transition, the snubber circuit achieves reduction in the ringing voltage of the diodes in the secondary winding of flyback transformer. The proposed inverter system achieves a less number of component counts, which in turn increases the overall efficiency and smaller size. The control action for the inverter system is given by the Maximum Power Point Tracking algorithm, in this Perturb and Observe algorithm is used. A simulation comparative study is made between the proposed systems and existing systems. The efficiency of about 95% and total harmonic distortion of the grid current is as less as 0.05 is achieved in the proposed system.

关键词： photovoltaic inverter fly-backtopology mppt algorithm agricultural applications

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Analysis of Subsystems Behaviour and Performance Evaluation of Solar Photovoltaic Powered Water Pumping System

Analysis of Subsystems Behaviour and Performance Evaluation ...

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39th IEEE Photovoltaic Specialists Conference (PVSC)

作者： Sadasivam, P. Kumaravel, M. Vasudevan, Krishna Jhunjhunwala, Ashok Indian Inst Technol Madras 600036 Tamil Nadu India

ISBN: (纸本)9781479932993

Photovoltaic powered pumps are becoming popular. Their operation differs from that of the AC Mains powered pump, as they work under varying input power conditions. The efficiency figures of different subsystems will keep changing due to varying solar radiation conditions, causing the variations in overall efficiency under partial load operating conditions of the pump. The aim of this work is to study the performance of the various subsystems under these operating conditions. The system developed here consists of a Photovoltaic (PV) array of 900 W-p with 72 V nominal DC bus, a DC to DC Converter, a Variable Frequency Drive (VFD) and a three phase induction motor driven submersible pump. Maximum Power Point Tracking (mppt) algorithm has been developed and implemented to maximize the use of PV power generated at any given instant. The system was installed and tested at Indian Institute of Technology Madras in Chennai, where daily average Peak Sun Hours is 5.6. Ambient temperature, total pressure head, water flow and power levels at different points starting from the output of the PV array upto the electrical power equivalent of water delivery were determined under varying solar radiation levels from sunrise to sunset. Continuously varying power efficiency figures of the subsystems were determined and power budget prepared. Wire to Water Energy Efficiency figures as well as System Performance Indices were determined.

关键词： Solar radiation PV array Maximum Power Point Tracking mppt algorithm DC to DC converter Variable Frequency Drive Three Phase Induction Motor Solar Water Pump Pump Controller Wire to Water Energy Efficiency System Performance Index

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Comparison of mppt Strategies in Battery Charging of Photovoltaic Systems 24

Comparison of MPPT Strategies in Battery Charging of Photovo...

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24th IEEE International Symposium on Industrial Electronics (ISIE)

作者： de Oliveira, Joao H. Carlette, Luan P. Cupertino, Allan F. Mendes, Victor F. Boaventura, Wallace do C. Pereira, Heverton A. Univ Fed Minas Gerais Grad Program Elect Engn Ave Antonio Carlos 6627 BR-31270901 Belo Horizonte MG Brazil Ctr Fed Educ Tecnol Minas Gerais Dept Engn Mat BR-30421169 Belo Horizonte MG Brazil Univ Fed Vicosa Gerencia Especialistas Sistemas Eletr Potenci BR-36570000 Vicosa MG Brazil

ISBN: (纸本)9781467375542

In photovoltaic standalone systems it is crucial to absorb most of the available energy. Thus, in order to extract the maximum power of a solar panel for a given set of climatic conditions, it is used maximum power point tracker (mppt). The mppt consists in a power converter which controls the solar panel voltage. In this context, this work compares the instantaneous and dynamic efficiency of three mppt algorithms proposed in literature: perturb and observe, dP - perturb and observe and modified perturb and observe used in a photovoltaic standalone systems. The system analyzed is composted by a 48 W solar panel, a battery of 60 Ah and a charger based on a buck converter. During solar irradiance variations the algorithms presented different instantaneous efficiencies, what can produce reduction in energy absorbed during cloudy days.

关键词： mppt algorithm buck converter battery standalone

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Modeling of photovoltaic module using Maximum Power Point Tracking controller

Modeling of photovoltaic module using Maximum Power Point Tr...

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International Symposium on Advanced Electrical and Communication Technologies (ISAECT)

作者： Bouksaim, Maroua Acci, Yassin Hadjouja, Abdelkader Krami, Nissrine Srifi, Mohamed Nabil Ibn Tofail Univ ENSA Elect & Telecommun Res Grp Kenitra Morocco Ibn Tofail Univ Fac Sci Lab Elect Engn & Energy Kenitra Morocco

ISBN: (纸本)9781538673287

The energy demands are increasing continously;so,for a healthy and green environment the expectations in terms of renewable energies are more and more important and of solar energy on a particular side. The main challenges in research in this area are to maximize power and also increase efficiency and reduce the costs of photovoltaic cells, modules and systems to make them as competitive as possible. In this paper, a photovoltaic module is modeled and a design of a Boost converter that allows the method perturbe and observe of maximum power point tracking (mppt) in order to find the maximum power of the photovoltaic field at any time. The Matlab/Simulink software is used to analyze and interpret the simulation results.

关键词： Photovoltaic module Boost converter Perturbe and observe mppt algorithm Matlab/Simulink

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Modelling of algorithms for solar panels control systems 12th

Modelling of algorithms for solar panels control systems

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12th International Symposium on Intelligent Systems (INTELS)

作者： Demenkova, T. A. Korzhova, O. A. Phinenko, A. A. Moscow Technol Univ MIREA Prospect Vernadskogo 78 Moscow 119454 Russia RUDN Univ Miklukho Maklaya Str 6 Moscow 117198 Russia

The best way to maximize the production of solar energy systems is implementing control systems with effective sun tracking algorithms. The article deals with the hardware implementation of algorithms for moving solar panels. algorithm's analyse was conducted, as well as the effectiveness of the method of the controller maximum points. The algorithm hardware block realized in hardware description language Verilog submitted. Received decisions are supposed to be used in the knowledge base of intelligent solar batteries control system. (C) 2017 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license

关键词： Intelligent control system hardware implementation of algorithms solar panels solar panels control systems mppt algorithm

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Power Management Analysis in PV-BESS Islanded AC Microgrid 11

Power Management Analysis in PV-BESS Islanded AC Microgrid

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11th International Symposium on Advanced Topics in Electrical Engineering (ATEE)

作者： Labella, Alessandro Univ Genoa Dept Naval Elect & ICT Engn Genoa Italy

ISBN: (纸本)9781479975143

This paper proposes a detailed analysis on the primary level control of an Islanded AC Microgrids where the energy sources are one or more Photovoltaic units and one or more Battery Energy Storage Systems. Considering the control guidelines dictated by the new IEEE standard 1547-2018, the Photovoltaic units are controlled in order to satisfy the requirements of the Grid-Feeding operating mode, while the storage systems are controlled in order satisfy the control goals of the Grid-Forming operating mode. In order to show the correct behavior of the energy sources in several operating scenarios, some simulations are carried out using the MATLAB/Simulink (R) simulation software.

关键词： Battery energy storage system Photovoltaic unit Primary control Microgrid Droop control mppt algorithm Grid-Forming Grid-Feeding

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PERFORMANCE ANALYSIS OF HIGH POWER GENERATION TECHNIQUES AND algorithmS OF SOLAR PHOTOVOLTAIC SYSTEMS ALSO WITH THE RENEWABLE ENERGY HYBRID SYSTEMS

PERFORMANCE ANALYSIS OF HIGH POWER GENERATION TECHNIQUES AND...

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International Conference on Innovative Research In Electrical Sciences (IICIRES)

作者： Latha, S. Avirajamanjula, P. EGS Pillay Engn Coll Dept Elect Elect Engn Nagapatinam 611002 India PRIST Univ Dept Elect Elect Engn Thanjavur 613403 India

ISBN: (纸本)9781538628522

Energy crisis and increasing demand for energy is the most important issue in today's world as demand for electrical energy increasing over the years. Conventional energy sources like fossil fuels are not only limited but also hazardous to environment. the production of electrical energy using clean, renewable sources, such as solar energy, wind energy, etc. Owing to the usage of solar energy, it has become necessary to develop some methods for the better use of solar energy. This paper deals with the comparative analysis of various tracking technologies and also gives the performance analysis standalone systems with the hybrid renewable systems for the greater power generation from the non-conventional sources. The solar tracing can be achieved by a Arduino controller based method of solar tracking with Light dependent resistors are used as sensors to determine the start and stop point of tracker. The tracking systems may consist of dual axis tracking by using sensors and PIC. The LDR Based stepper motor control performance with PLC control. The mppt algorithm provides the hybrid systems performance, the aforementioned equations were coded with MATLAB V13.2, compared to experimental data. The model is intended to be used as an optimization and design tool. An Adaptive Neuro Fuzzy Inference System (ANFIS) based controller has been designed and the system is analyzed in terms of the power generation and consumption. The results obtained are encouraging in terms of their stability.

关键词： Renewable sources Tracking Arduino controller PLC control LDR mppt algorithm MATLAB V13.2 Neuro Fuzzy Inference System

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