An Energy Management Scheme with Power Limit Capability and an Adaptive Maximum Power Point Tracking for Small Standalone PMSG Wind Energy Systems

ABSTRACT:

Because of its high vitality age ability and negligible natural effect, wind vitality is an exquisite answer for the developing worldwide vitality request. In any case, visit environmental changes make it hard to adequately bridle the vitality in the breeze since greatest power extraction happens at an alternate working point for each wind condition. This paper proposes a parameter autonomous astute power the executives controller that comprises of an incline helped most extreme power point following (MPPT) calculation and a power limit look (PLS) calculation for little independent breeze vitality frameworks with perpetual synchronous generators. Dissimilar to the parameter free irritate and watch (P&O) calculations, the proposed incline helped MPPT calculation appropriates consistent blunders credited to twist vacillations by distinguishing and recognizing air changes. The controller’s PLS can limit the generation of surplus vitality to limit the warmth scattering prerequisites of the vitality discharge instrument by collaborating with the state spectator and utilizing the slant parameter to look for the working focuses that outcome in the ideal power instead of the greatest power. The usefulness of the proposed vitality the executives control conspire for wind vitality frameworks is confirmed through reproduction results and exploratory outcomes.

 

CIRCUIT DIAGRAM:

Fig 1 System diagram with the proposed management control algorithm

 EXPECTED SIMULATION RESULTS:

 

 Fig 2 Performance of the standard fixed-step size P&O algorithm (average power captured = 1066 W).

Fig 3 Performance of the standard variable-step size P&O algorithm (average power captured = 1106 W).

Fig 4 Performance of the slope-assisted MPPT algorithm (1238 W).

Fig 5 Power coefficient performance of the fixed-step size P&O, variable step size P&O, and the slope assist MPPT (comparison performed under atmospheric identical conditions as depicted in Fig.20).

CONCLUSION:

In this paper, a keen parameter-autonomous power the executives controller has been displayed for independent offgrid little wind vitality frameworks. With the state eyewitness directing the incline helped MPPT and the PLS in the proposed controller, the union occasions to the ideal working focuses is decreased and the legitimate mistakes are limited by distinguishing the adjustments in wind conditions. Being pertinent for both matrix associated and independent breeze frameworks, the slant help MPPT expands a breeze framework’s MPP seek effectiveness and empowers the breeze framework to effectively adjust to its changing conduct and wind conditions. The PLS calculation was intended to supplement the slant help MPPT for independent breeze frameworks that have restricted vitality stockpiling and use vitality dissemination systems to scatter surplus vitality. Instead of concentrating on catching greatest power, as far as possible inquiry centers around decreasing the size and warmth necessities of the vitality dissemination component by limiting surplus power age as wanted. The working standards of the proposed PLS and MPPT control systems have been talked about in this paper. Reproduction results on a 3kW framework and test results on a proof-of-idea model with a breeze turbine emulator have been given to feature the benefits of this work.

An Autonomous Wind Energy Conversion System with Permanent Magnet Synchronous Generator

ABSTRACT:

This paper manages a lasting magnet synchronous generator (PMSG) based variable speed self-governing breeze vitality transformation framework (AWECS). Back associated voltage source converter (VSC) and a voltage source inverter (VSI) with a battery vitality stockpiling framework (BESS) at the middle dc connect are utilized to understand the voltage and recurrence controller (VFC). The BESS is utilized for load leveling and to guarantee the unwavering quality of the supply to customers associated at load transport under change in wind speed. The generator-side converter worked in vector control mode for accomplishing most extreme power point following (MPPT) and to accomplish solidarity control factor activity at PMSG terminals. The heap side converter is worked to manage plentifulness of the heap voltage and recurrence under change in load conditions. The three-stage four wire buyer loads are nourished with a non-separated star-delta transformer associated at the heap transport to give stable nonpartisan terminal. The proposed AWECS is displayed, plan and mimicked utilizing MATLAB R2007b simulink with its sim control framework tool kit and discrete advance solver.

 

BLOCK DIAGRAM:

 

Fig. 1 Proposed control scheme of VFC for PMSG based AWECS

 EXPECTED SIMULATION RESULTS:

 

 Fig. 2 Performance of Controller during fall in wind speed

Fig. 3 Performance of Controller during rise in wind speed

Fig. 4 Performance of Controller at fixed wind speed and balanced/unbalanced non-linear loads

CONCLUSION:

Another arrangement of voltage and recurrence controller for a perpetual magnet synchronous generator based variable speed self-governing breeze vitality transformation framework has been planned demonstrated and its execution is reenacted. The VFC has utilized two back-back associated VSC’s and BESS at halfway dc connect. The GSC has been controlled in vector controlled to accomplish MPPT, solidarity control factor activity of PMSG. The LSI has been controlled to keep up abundancy of load voltage and its recurrence. The VFC has played out the capacity of a heap leveler, a heap balancer, and a consonant eliminator.

Renewable Energy and Systems Projects for MTech using Matlab/Simulink in yadadri bhuvangiri

Renewable Energy and Systems Projects for MTech using Matlab/Simulink in yadadri bhuvangiri.

Software Used: Matlab/Simulink
Areas : Power Electronics and Drives, Power Systems, Renewable Energy and sources, etc
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Asoka technologies provide Power Electronics, Power Systems Projects for MTech using Matlab/Simulink in yadadri bhuvangiri.

ELECTRICAL ENGINEERING is a field of engineering that generally deals with the study and application of electricity, electronics, and electro magnetism. This field first became an identifiable occupation in the later half of the 19th century after commercialization of the electric telegraph, the telephone, and electric power distribution and use. Subsequently, broad casting and recording media made electronics part of daily life. The invention of the transistor, and later the integrated circuit, brought down the cost of electronics to the point they can be used in almost any household object.
Electrical engineering has now subdivided into a wide range of sub fields including electronics, digital computers, power engineering, tele communications, control systems, radio-frequency engineering, signal processing, instrumentation, and microelectronics. Many of these sub disciplines overlap and also overlap with other engineering branches, spanning a huge number of specializations such as hardware engineering, power electronics, electro magnetics & waves, microwave engineering, nanotechnology, electro chemistry, renewable energies, mechatronics, electrical materials science, and many more.
POWER ELECTRONICS is the application of solid-state electronics to the control and conversion of electric power. The first high power electronic devices were mercury-arc valves. In modern systems the conversion is performed with semiconductor switching devices such as diodes, thyristors and transistors, pioneered by R. D. Middlebrook and others beginning in the 1950s. In contrast to electronic systems concerned with transmission and processing of signals and data, in power electronics substantial amounts of electrical energy are processed. An AC/DC converter (rectifier) is the most typical power electronics device found in many consumer electronic devices, e.g. television sets, personal computers, battery chargers, etc. The power range is typically from tens of watts to several hundred watts. In industry a common application is the variable speed drive (VSD) that is used to control an induction motor. The power range of VSDs start from a few hundred watts and end at tens of megawatts.

b.tech ieee electrical projects in mahabubnagar

b.tech ieee electrical projects in mahabubnagar. 
Software Used: Matlab/Simulink
Areas : Power Electronics and Drives, Power Systems, Renewable Energy and sources, etc
Download
Contact us:
email: asokatechnologies@gmail.com
website: www.asokatechnologies.in
Asoka technologies provide b.tech ieee electrical projects in mahabubnagar.
B.TECH IEEE ELECTRICAL PROJECTS IN ENGINEERING is a field of engineering that generally deals with the study and application of electricity, electronics, and electro magnetism. This field first became an identifiable occupation in the later half of the 19th century after commercialization of the electric telegraph, the telephone, and electric power distribution and use. Subsequently, broad casting and recording media made electronics part of daily life. The invention of the transistor, and later the integrated circuit, brought down the cost of electronics to the point they can be used in almost any household object.
Electrical engineering has now subdivided into a wide range of sub fields including electronics, digital computers, power engineering, tele communications, control systems, radio-frequency engineering, signal processing, instrumentation, and microelectronics. Many of these sub disciplines overlap and also overlap with other engineering branches, spanning a huge number of specializations such as hardware engineering, power electronics, electro magnetics & waves, microwave engineering, nanotechnology, electro chemistry, renewable energies, mechatronics, electrical materials science, and many more.

b.tech ieee electrical projects We know that electrical projects are used in many cases in our real life and they require more power when compared with electronics projects. Electrical project circuits use only passive components like capacitors, inductors, resistors, etc. As a result, many people like to get an idea about how electrical projects work and which projects may come under this category.

Control system

  • b.tech ieee electrical projects Design of Load Sharing control system using PIC MicrocontrollerThe main aim of this project is to adjust the availability power with consuming load. This system measures the power using current and voltage sensing circuits for every energy source.
  • b.tech ieee electrical projects

Grid-Connected PV-Wind-Battery-Based multi input transformer coupled bidirectional dc-dc converter for household applications

 

ABSTRACT:

 In this paper, a control strategy for power flow management of a grid-connected hybrid photovoltaic (PV)–wind battery- based system with an efficient multi-input transformer coupled bidirectional dc–dc converter is presented. The proposed system aims to satisfy the load demand, manage the power flow from different sources, inject the surplus power into the grid, and charge the battery from the grid as and when required. A transformer-coupled boost half-bridge converter is used to harness power from wind, while a bidirectional buck– boost converter is used to harness power from PV along with battery charging/discharging control. A single-phase full-bridge bidirectional converter is used for feeding ac loads and interaction with the grid. The proposed converter architecture has reduced number of power conversion stages with less component count and reduced losses compared with existing grid-connected hybrid systems. This improves the efficiency and the reliability of the system. Simulation results obtained using MATLAB/Simulink show the performance of the proposed control strategy for power flow management under various modes of operation. The effectiveness of the topology and the efficacy of the proposed control strategy are validated through detailed experimental studies to demonstrate the capability of the system operation in different modes.

 KEYWORDS:

  1. Battery charge control
  2. Bidirectional buck–boost converter
  3. Full-bridge bidirectional converter
  4. Hybrid system
  5. Maximum power-point tracking
  6. Solar photovoltaic (PV)
  7. Transformer-coupled boost dual-half-bridge bidirectional converter
  8. Wind energy

 SOFTWARE: MATLAB/SIMULINK

BLOCK DIAGRAM:

image001

Fig. 1. Grid-connected hybrid PV–wind-battery-based system for household applications.

 CIRCUIT DIAGRAM

image002image003

Fig 2. Proposed converter configuration.

 EXPECTED SIMULATION RESULTS:

 image004image005

Fig. 3. Steady-state operation in the MPPT mode.

image006

image007

Fig. 4. Response of the system for changes in an insolation level of source-1 (PV source) during operation in the MPPT mode.

image008

image009

Fig. 5. Response of the system for changes in wind speed level of source-2 (wind source) during operation in the MPPT mode.

image010

image011

Fig. 6. Response of the system in the absence of source-1 (PV source), while source-2 continues to operate at MPPT.

image012

image013

Fig. 7. Response of the system in the absence of source-2 (wind source), while source-1 continues to operate at MPPT.

image014

image015

Fig. 8. Response of the system in the absence of both the sources and charging the battery from the grid.

CONCLUSION:

A grid-connected hybrid PV–wind-battery-based power evacuation scheme for household application is proposed. The proposed hybrid system provides an elegant integration of PV and wind source to extract maximum energy from the two sources. It is realized by a novel multi-input transformer coupled bidirectional dc–dc converter followed by a conventional full-bridge inverter. A versatile control strategy which achieves a better utilization of PV, wind power, battery capacities without effecting life of battery, and power flow management in a grid-connected hybrid PV–wind-battery-based system feeding ac loads is presented. Detailed simulation studies are carried out to ascertain the viability of the scheme. The experimental results obtained are in close agreement with simulations and are supportive in demonstrating the capability of the system to operate either in grid feeding or in stand-alone modes. The proposed configuration is capable of supplying uninterruptible power to ac loads, and ensures the evacuation of surplus PV and wind power into the grid.

 REFERENCES:

[1] F. Valenciaga and P. F. Puleston, “Supervisor control for a stand-alone hybrid generation system using wind and photovoltaic energy,” IEEE Trans. Energy Convers., vol. 20, no. 2, pp. 398–405, Jun. 2005.

[2] C. Liu, K. T. Chau, and X. Zhang, “An efficient wind–photovoltaic hybrid generation system using doubly excited permanent-magnet brushless machine,” IEEE Trans. Ind. Electron., vol. 57, no. 3, pp. 831–839, Mar. 2010.

[3] W. Qi, J. Liu, X. Chen, and P. D. Christofides, “Supervisory predictive control of standalone wind/solar energy generation systems,” IEEE Trans. Control Syst. Technol., vol. 19, no. 1, pp. 199–207, Jan. 2011.

[4] F. Giraud and Z. M. Salameh, “Steady-state performance of a grid connected rooftop hybrid wind-photovoltaic power system with battery storage,” IEEE Trans. Energy Convers., vol. 16, no. 1, pp. 1–7, Mar. 2001.

[5] S.-K. Kim, J.-H. Jeon, C.-H. Cho, J.-B. Ahn, and S.-H. Kwon, “Dynamic modeling and control of a grid-connected hybrid generation system with versatile power transfer,” IEEE Trans. Ind. Electron., vol. 55, no. 4, pp. 1677–1688, Apr. 2008.

 

 

A Multi-Input Bridgeless Resonant AC-DC Converter for Electromagnetic Energy Harvesting

ABSTRACT

In this paper, a novel high development up dc/dc converter is shown for reasonable power source applications. The proposed structure includes a coupled inductor and two voltage multiplier cells, in order to get high development up voltage gain. In addition, two capacitors are charged in the midst of the kill time frame, using the essentialness set away in the coupled inductor which assembles the voltage trade gain. The imperativeness set away in the spillage inductance is reused with the usage of an inactive catch circuit. The voltage load on the key power switch is also diminished in the proposed topology. In this manner, an essential influence switch with low restriction RDS(ON) can be used to diminish the conduction adversities. The action rule and the persevering state examinations are discussed by and large. To check the execution of the showed converter, a 300-W lab demonstrate circuit is completed. The results favor the speculative examinations and the practicability of the displayed high development up converter.

 BLOCK DIAGRAM:

image001

image002

Fig. 1. Multi-channel EMR generators and PEI system: (a) conventional PEI; and (b) proposed multi-input PEI.

CIRCUIT DIAGRAM:

image003

Fig. 2. Illustrative scheme of the proposed multi-input converter (v(i)emf: EMF of #i reed; r(i)EMR: coil resistance; L(i)EMR: self-inductance; i(i)EMR: reed terminal current; v(i)EMR: reed terminal voltage; C(i)r1= C(i)r2: resonant capacitors; Lr: resonant inductor; Q(i)r1, Q(i)r2: MOSFETs; Dr: output diode; Co: output capacitor).

EXPERIMENTAL RESULTS:

image004

  •                                                             (a)
  • image005                                                                    (b)

Fig. 3. Experimental waveforms of power amplifiers: fin = 20 Hz; X-axis: 10 ms/div; Y-axis: (a) vemf = 3 Vrms; Ch1 = output voltage (Vo), 2.5 V/div; Ch2 = terminal voltage (vEMR) of reed #1, 10 V/div; Ch3 = input current (iEMR) of six reeds, 50 mA/div; and (b) vemf = 0.5 Vrms; Ch1 = output voltage (Vo), 0.5 V/div; Ch2 = terminal voltage (vEMR) of reed #1, 5 V/div; Ch3 = sum of the input currents (iEMR) of six reeds, 10 mA/div.

 image006                                                         (a)

image007

  •                                                           (b)

Fig. 4. Experimental waveforms of power amplifiers with step change: X-axis: 40 ms/div; Y-axis: (a) vemf = from 1 Vrms to 2 Vrms; Ch1 = output voltage (Vo), 1 V/div; Ch2 = terminal voltage (vEMR) of reed #1, 5 V/div; Ch3 = input current (iEMR) of six reeds, 50 mA/div; and (b) fin = from 20 Hz to 50 Hz; Ch1 = output voltage (Vo), 0.5 V/div; Ch2 = terminal voltage (vEMR) of reed #1, 5 V/div; Ch3 = input current (iEMR) of six reeds, 50 mA/div.

image008

(a)

image009

  •                                                                 (b)

Fig. 5. Experimental waveforms of EMR generators: X-axis: (a) 20 ms/div; (b) 100 ms/div; Y-axis: (a) constant wind speed; (b) wind speed step change; Ch1 = terminal voltage (vEMR) of reed #2, 5 V/div; Ch2 = output voltage (Vo), 1 V/div; Ch3 = terminal voltage (vEMR) of reed #1, 10 V/div; Ch4 = input current (iEMR) of reed #1, 10 mA/div.

 CONCLUSION

In this paper, a novel high advancement up dc/dc converter is appeared sensible power source applications.

The proposed structure incorporates a coupled inductor and two voltage multiplier cells, so as to get high improvement up voltage gain.

Moreover, two capacitors are charged amidst the kill time allotment, utilizing the vitality set away in the coupled inductor which collects the voltage exchange gain.

The significance set away in the spillage inductance is reused with the utilization of an inert catch circuit. The voltage stack on the key power switch is additionally reduced in the proposed topology. As such, a fundamental impact switch with low limitation RDS(ON) can be utilized to lessen the conduction misfortunes. The activity rule and the enduring state examinations are talked about all things considered. To check the execution of the indicated converter, a 300-W lab show circuit is finished. The outcomes support the theoretical examinations and the practicability of the showed high improvement up converter.