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检索条件"主题词=P&O algorithm"

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A Novel Vector Control Scheme for pMSM Driven Encoder-Less Solar Water pumping System 44

A Novel Vector Control Scheme for PMSM Driven Encoder-Less S...

引用

44th Annual Conference of the IEEE Industrial-Electronics-Society (IECoN)

作者： Murshid, Shadab Singh, Bhim Faculty of Information Technology University of Misurata Libya

ISBN: (纸本)9781509066841

This work presents a solar photovoltaic (pV) array fed permanent magnet synchronous motor (pMSM) driven single stage solar water pumping (SWp) system. A novel vector control scheme with reduced computational burden due to elimination of speed controller, is proposed here for speed control of pMSM. An adaptive step size perturb and observe maximum power point tracking technique is used to accelerate the response of the system. The back-electro-motive force based technique is used for encoder-less estimation of rotor position. This improves the reliability and reduces the cost of the SWp system. A single stage topology is utilized for reducing the losses and cost associated with intermediate stage DC-DC converter. The applicability of the overall system is validated through a developed laboratory prototype using digital signal processor (DS-1202). performance of the system has been found to be quite satisfactory under both dynamic and steady state conditions.

关键词： Solar photovoltaic array Vector control p&o algorithm permanent magnet synchronous motor Water pump

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Modeling photovoltaic Arrays with MppT perturb & observe algorithm

Modeling Photovoltaic Arrays with MPPT Perturb & Observe Alg...

引用

8th International Symposium on Advanced Topics in Electrical Engineering (ATEE)

作者： Florea, Marin-Leonard Baltatanu, Adrian Univ Politehn Bucuresti Bucharest Romania

ISBN: (纸本)9781467359801;9781467359795

This paper gives a review of the main characteristics and parameters needed for modeling a photovoltaic module and finding maximum power point by using perturb & observe algorithm. The created model has been developed based on previous studies of photovoltaic cell represented in a Matlab/Simulink model. Mpp and curves I-V and p-V have been calculated comparing the results to each other. In the end, the model has been validated with experimental data of a commercial pV module Shell Ultra85p pV.

关键词： photovoltaic panels MppT p&o algorithm

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power quality improvement in isolated microgrid using interleaved soft-switching boost converter with modulated three phase voltage source inverter 3

Power quality improvement in isolated microgrid using interl...

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3rd IEEE International Conference on Energy, power and Environment - Towards Clean Energy Technologies (ICEpE)

作者： Dash, Sarthak Swaroop pradhan, Tanisha Bastia, Satabdi panda, Gayadhar Mohanty, Asit Ray, prakash Kumar BPUT Coll Engn & Technol Elect Engn Bhubaneswar India

ISBN: (纸本)9781665425360

Electrical power generation from solar pV has taken a significant position nowadays because of its availability and less or zero pollution. Integration of solar pV with grids in a resilient way and getting power out of it efficiently has now become a new challenge because of its life-span. This paper demonstrates a model in which a three-phase voltage source inverter is connected with Interleaved Soft Switching Boost Converter which incorporates distinct topologies to provide better efficiency because of decreasing value of current and voltage ripples in isolated grid conditions. The use of a specific approach in pWM and soft switching gives remarkable minimization in switching loss. The proposed strategy has been implemented in MATIAB Simulink platform by taking variable irradiances and loads at different power factors. The simulation results from the designed model provide a ground to establish the enhancement in efficiency as well as cost-effectiveness. The TI-Ill of load current is minimum and hence the inverter output.

关键词： ISSBC soft switching pulse width modulation ZCS ZVS resonant converter MppT pV system battery management system p&o algorithm

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Experimental Assessment of pV Arrays Connected to Buck-Boost Converter using MppT and Non-MppT Technique by Implementing in Real Time Hardware 3

Experimental Assessment of PV Arrays Connected to Buck-Boost...

引用

3rd International Conference on Advances in Electrical Engineering (ICAEE)

作者： Chy, Deepak Kumar Khaliluzzaman, Md. UITS Dept Elect & Elect Engn EEE Dhaka Bangladesh IIUC Dept Comp Sci & Engn CSE Chittagong Bangladesh

ISBN: (纸本)9781467396950

Solar photovoltaic (pV) arrays are a great source of generation of renewable energy. Harvesting clean energy from photovoltaic cell is reliable, pollution and noise free, low maintenance and long lasting energy source. However, typical Voltage-Current (V-I) and power-Voltage (p-V) characteristics curves of pV cells depend on the weather conditions such as temperature and irradiation. It is always difficult to fix Maximum power point (Mpp) on V-I and p-V curve. In order to achieve maximum efficiency from pV cells, Maximum power point Tracking (MppT) is used. This paper presents a non-inverting Buck-Boost converter based on MppT and Non-MppT technique by implementing modified p&o algorithm through MppT control circuit. The modified p&o algorithm is a simple algorithm that does not require previous knowledge of the pV characteristics. A pV system incorporating a solar panel, Buck-Boost converter and load as battery is modeled and implemented through hardware. Entire range of the duty cycle needs to be used for using this modified algorithm. Without adding much additional cost a desired efficiency is obtained. A microcontroller based pV system is used in this work.

关键词： Renewable Energy photovoltaic (pV) Array p&o algorithm Buck-Boost Converter MppT Duty Cycle Microcontroller

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Dynamic Modeling and Control Design for a photovoltaic System for MppT

Dynamic Modeling and Control Design for a Photovoltaic Syste...

引用

IEEE International Symposium on Alternative Energies and Energy Quality (SIFAE)

作者： Carmona, Cindy V. Restrepo, Andres F. Urrea, Jorge H. Univ Nacl Colombia Medellin Escuela Mecatron Antioquia Colombia

ISBN: (纸本)9781467346559;9781467346535

photovoltaic panels have become an important option for supplying electric energy demand, as they transform the energy coming from the sun into electric energy. one of the main goals of this kind of systems is to extract the maximum power from the panel. In this paper it is proposed to use the p&o algorithm working together with a pID controller;the latter is used to find the Maximum power point (Mpp) and the former's aim is, besides a good tracking of the reference signal generated by p&o algorithm, the rejection of disturbances coming from changes in the environment. As a tool for system analysis and controller design, it is proposed state space modeling for this problem. By means of simulation, the performance of the solution is illustrated the control system enables the operation, at every moment, at the maximum power point, showing robustness to changes in irradiance and variations of battery voltage.

关键词： DC-DC converter photovoltaic panels State Space p&o algorithm Maximum power point Tracking (MppT)

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Investigation of three-module converter structure in photovoltaic systems 2

Investigation of three-module converter structure in photovo...

引用

2nd IEEE International power and Renewable Energy Conference (IpRECoN)

作者： Afkar, Mohammad Yousefi, Amin Gavagsaz-Ghoachani, Roghayeh phattanasak, Matheepot pierfederici, Serge Shahid Beheshti Univ Mech & Energy Engn Dept Renewable Energy Tehran Iran King Mongkuts Univ Technol North Bangkok Dept Teacher Training Elect Engn Bangkok Thailand Univ Lorraine LEMTA CNRS Nancy France

ISBN: (纸本)9781665401371

DC voltage imbalance is a significant challenge in photovoltaic systems. These systems can consider as a current source. Therefore, a capacitor is parallel to the interface converter to meet the limitations of this source. By using the proposed modular structure, the voltage balance can establish. perturb and observe (p&o) algorithm is used to obtain the maximum power point (Mpp) of this system. This algorithm generates the reference currents of the inductors for the converter. A sliding-mode controller is considered to control these currents and balance the voltage at the output capacitors of the system. The three-module system with photovoltaic sources has been simulated using MATLAB/Simulink software.

关键词： photovoltaic panel Modular three-level boost converter p&o algorithm Sliding-mode controller

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perturbe and observe MppT algorithm with integral actions 5

Perturbe and Observe MPPT algorithm with integral actions

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5th IEEE Colombian Conference on Automatic Control (IEEE CCAC) - Technological Advances for a Sustainable Regional Development

作者： Vivert, Miguel Collaguazo, Gerardo Naranjo, Francisco Quinde, Isabel Univ Tecn Norte UTN Carrera Ingn Elect CIELE Fac Ingn Ciencias Aplicadas FICA Ibarra Ecuador

ISBN: (纸本)9781665418836

The presented article proposed an algorithm to obtain the maximum power in a solar panel. It is based on classical p&o, using integral actions of the power and the voltage. Furthermore, the proposed method does not have a switching part, meaning that it does not produce a chattering effect. Two simulations are shown. The first one compares the proposed method and the classical one. In the second test, the proposed algorithm is applied to a classical application. The algorithm shows high performance in both simulations, reaching the maximum power with a fast time response. Finally, conclusions and future works are presented

关键词： solar panel p&o algorithm irradiance MppT integral action

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A pV-Grid Fed DTC Based Induction Motor Drive for Water pumping 10

A PV-Grid Fed DTC Based Induction Motor Drive for Water Pump...

引用

10th IEEE Annual Energy Conversion Congress and Exposition (ECCE)

作者： Shukla, Saurabh Singh, Bhim Indian Inst Technol Delhi Dept Elect Engn New Delhi 110016 India

ISBN: (纸本)9781479973125

This paper presents an effective technique for uninterrupted water pumping irrespective of insolation level. Moreover, the system is capable of adjusting the power flow as per the requirement. A sensorless direct torque control of induction motor is used to drive water pump. one VSC (Voltage Source Converter) is used for utility grid interface and one VSI (Voltage Source Inverter) is used for the induction motor control. The pV array is connected to the DC link with a power converter for providing constant DC-link voltage. The UVT (Unit Vector Template) theory is utilized to control the bidirectional power flow between the three-phase VSI and DC link voltage connecting an induction motor drive coupled water pump on the other end. The suitability of the system is shown through various power transfer modes of operation and are validated on prototype developed in the laboratory.

关键词： pV array Utility grid Voltage source inverter (VSI) Unit vector template Direct torque control p&o algorithm Induction motor drive (IMD) power quality

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Interoperability Analysis and Improvement for Rectangular Coil and DD Coil of Wireless EV Charging 22

Interoperability Analysis and Improvement for Rectangular Co...

引用

22nd International Conference on Electrical Machines and Systems (ICEMS)

作者： Song, Kai Guo, Yu Yang, Guang Huang, Xiaohua Zhang, Hang Zhang, Qian Lu, Rengui Zhu, Chunbo Harbin Inst Technol Sch Elect Engn & Automat Harbin Peoples R China China Elect Power Res Inst Elect Engn & New Mat Dept Beijing Peoples R China State Grid Beijing Power Res Inst Beijing Peoples R China

ISBN: (纸本)9781728133980

Wireless charging technology for electric vehicles (EVs) has been investigated by lots of researchers. one of the key points of the technology is to ensure the interoperability between different vehicle assembly (VA) and ground assembly (GA). This paper describes the interoperability of different coils using coupling coefficient and efficiency by theoretical calculation, simulation and experiments. It is concluded that the interoperability between rectangular and DD coils is related to relative position of coils. Therefore, an adaptive position adjustment method using p&o algorithm and coupling coefficient estimation is proposed. By searching the optimal charging location, the output power and efficiency can be high when DD coil charges with rectangular coil. The experimental results agree with the theoretical analysis, which implies that the interoperability between two coils is improved by the proposed method.

关键词： wireless EV charging interoperability rectangular coil DD coil p&o algorithm

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Dynamic performance study of an MppT controller using synergetic controller for a photovoltaic system 2

Dynamic performance study of an MPPT controller using synerg...

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2nd International Conference on Electrical Engineering and Automatic Control (ICEEAC)

作者： Hadjadj, Kamel Attoui, Hadjira Djari, Abdelhamid Univ Setif 1 Fac Technol QUERE Lab Setif 19000 Algeria Univ Tebessa Dept Elect Engn Tebessa Algeria

ISBN: (纸本)9798350349740;9798350349757

This study concentrates on improving maximum power point tracking (MppT) for solar panel system using synergistic approach optimized by particle swarm optimization (pSo) algorithm. The efficacy of this new approach was assessed by contrasting it against a standard perturbation and observation (p&o) controller and a sophisticated Fuzzy Logic Controller (FLC). Simulation tests conducted under various weather conditions demonstrated that the synergistic controller (SC) provides superior stability and response speed compared to both the p&o and FLC controllers.

关键词： Maximum power point tracking Synergetic control Fuzzy logic control p&o algorithm photovoltaic system

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