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IJSRD - International Journal for Scientific Research & Development| Vol. 2, Issue 09, 2014 | ISSN (online): 2321-0613
All rights reserved by www.ijsrd.com 559
Making Model of Dual Axis Solar Tracking with Maximum Power Point
Tracking
Mitul G. Ravat1 Mr M.D. Solanki2
1
M.E. Student 2
Assistant Professor
1,2
Department of Electrical Engineering
1,2
Shantilal Shah Engineering College, Bhavnagar, Gujarat, India
Abstract— Now a days solar harvesting is more popular. As
the popularity become higher the material quality and solar
tracking methods are more improved. There are several
factors affecting the solar system. Major influence on solar
cell, intensity of source radiation and storage techniques The
materials used in solar cell manufacturing limit the
efficiency of solar cell. This makes it particularly difficult to
make considerable improvements in the performance of the
cell, and hence restricts the efficiency of the overall
collection process. Therefore, the most attainable maximum
power point tracking method of improving the performance
of solar power collection is to increase the mean intensity of
radiation received from the source used. The purposed of
tracking system controls elevation and orientation angles of
solar panels such that the panels always maintain
perpendicular to the sunlight. The measured variables of our
automatic system were compared with those of a fixed angle
PV system. As a result of the experiment, the voltage
generated by the proposed tracking system has an overall of
about 28.11% more than the fixed angle PV system. There
are three major approaches for maximizing power extraction
in medium and large scale systems. They are sun tracking,
maximum power point (MPP) tracking or both.
Key words: Dual Axis, Solar Tracking, Power Point
Tracking
I. INTRODUCTION
Climate change one of society’s most inevitable challenges.
Engineering efforts to address these challenges have largely
focused on development and refinement of mechanical,
electrical and material technologies that generate and store
renewable energy, such as solar arrays, wind turbines and
fuel cells. In recent years, growing attention has been drawn
to computational methods, such as control theory, artificial
intelligence and operations research that are essential for the
energy efficient and reliable operation of these systems. The
uses of alternative sources such as solar energy are
becoming more wide spread. To make solar energy more
viable, the efficiency of solar array systems must be
maximized. A feasible approach to maximizing the
efficiency of solar array system is solar tracking. Proposed
in this report is a system that controls the movement of a
solar array so that it is constantly aligned towards the
direction of the sun. Solar modules are devices that cleanly
convert sunlight into electricity and offer a practical solution
to the problem of power generation in remote areas. The
solar tracker designed and constructed in this project offers a
reliable and affordable method of aligning a solar module
with the sun in order to maximize its energy output.
Automatic Sun Tracking System is a hybrid
hardware/software prototype, which automatically provides
best alignment of solar panel with the sun, to get maximum
output (electricity).
A prototype of the automatic dual-axis solar
tracking system with a designed sun position tracker
mechanism and control system designed in this paper. The
sun position tracker mechanism was composed of the
embedded system, DC motors, driver, real time clock,
voltage divider circuit for voltage measurement. According
to feedback signal of V the controller command DC motors
to controls elevation and orientation angles of solar panels
the that the panels always maintain perpendicular to the
sunlight. Each parameter of the system was collected by the
controller and control program on PC.
As a result of the experiment, the voltage generated
by the proposed tracking system has an overall increase of
about 28.11% more than the fixed angle PV system in
winter days.
II. DESIGN OF SUN TRACKING SYSTEM:
A. Structure Design –Rotate and Tilt
Rotate and Tilt structure is chosen for a smoother movement
on dynamic search system. This structure is friendly to the
base motor. It does not stress the first level structure through
unnecessary load torque from the structure above it. This
design involves first rotating the PV panel to the desired
direction and then tilting it to the desired tilt angle in order
to get maximum irradiance. Rotate and tilt system has a
rotational structure at the base platform and the tilting
structure at the second level. To make sure the structure is
stable and the load torque is constant for the rotational
motor, the centre of gravity of tilting structure is aligned at
the rotating centre. Figure 1 shows the idea and
implementation of rotate and tilts system.
Fig. 1: Rotate and tilt Mechanism Structure
B. PV cell as a sensor
In this sun tracking system, small polycrystalline PV cells
are used as the sensors to determine the solar irradiance. The
very important electrical characteristic of the solar panel
used is the short circuit current, ISC. ISC increases with the
increase in the irradiance. To put it more accurate, ISC is
proportional to the irradiance in the cosine function of the
angle between a normal to the collector face and the
Making Model of Dual Axis Solar Tracking with Maximum Power Point Tracking
(IJSRD/Vol. 2/Issue 09/2014/127)
All rights reserved by www.ijsrd.com 560
incoming solar beam radiation. Figure2 illustrates the angle
described above.
Fig. 2: The incidence angle, Ɵ between normal to the
collector face and incoming solar beam radiation [4] Isc α
Solar radiation × cos Ɵ
Solar cell can hence be tilted around while short
circuit current is being measured. The maximum current will
indicate the best insolation when the incident angle is zero
degree.
The MPP can also be determined from the short-
circuit current of the panel (ISC), because IMPP is linearly
related to it under varying atmospheric conditions.
Similar to fractional open circuit voltage, the
constant must be determined for each type of system.
Determining ISC is more challenging, because doing so
from time to time not only increases power loss and heat
dissipation, but also requires an additional switch and
current sensor. Obviously, this increases component count
and cost. The simplest implementations do not require
microcontrollers, but for better accuracy and to solve
problems related to partial shading, more processing power
is necessary to sweep the panel current from 0 to ISC, and
memorize the output voltage profile The maximum power
point voltage has a linear dependency on the open circuit
voltage VOC under different irradiance and temperature
conditions. Computing the MPP (Maximum Power Point)
comes down to:
The constant k depends on the type and
configuration of the photovoltaic panel. The open circuit
voltage must be measured and the MPP determined in some
way for different ambient conditions. Usually, the system
disconnects the load periodically to measure VOC and
calculate the operating voltage. This method has some clear
disadvantages, temporary loss of power being an obvious
one. An alternate method would be to use one or more
monitoring cells, but they also need to be chosen and placed
very carefully to reflect the true open circuit voltage of the
system. Although this method is quite simple and robust and
does not require a microcontroller, the constant only allows
a crude approximation of the MPP. Other algorithms will
significantly increase the top power drawn from the same
PV installation.
C. Operating principle and working Algorithm
The proposed dual axis sun tracking system can tracked the
sun in two axes- horizontal and vertical. The first motor will
rotate the solar panel to track the sun in the horizontal axis.
Once it has established the correct direction of the sun, it
will start tracking in the vertical axis to get the best tilt
angle. The working principle of the tracking system is based
on the P & O MPPT of solar cell used under the correct
conditions. In short, the system will take a step in
unidirectional and sense the change in the voltage of the
solar cell. If a negative response is obtained from the
feedback of the sensor, the system will turn around and
move in the same direction until it reaches the maximum
point. If any fluctuation detect by ADC then motor step is
taken and there is a delay set.so after some time motor start
stepping as per ADC signal. Small minimum change in
intensity is required before a further step is taken. Besides
the algorithm, searching conditions need to be specified to
anticipate the changing environment condition such as
movement of cloud over the sun which causes a variation in
the intensity of solar irradiance. Without these searching
conditions, the sun tracking system will be searching
nonstop to react to the changing intensity. The conditions of
interest are as follow:
Fig. 3: Flow chart of solar tracking searching algorithm
1) Search trigger and its frequency
The system can search whenever there is a specified change
in the solar intensity. This condition can be used in the
indoor experiment where the light intensity can be closely
controlled. However, in the unpredictable outdoor
environment, this condition could not be applied because the
fluctuation in solar intensity due to moving cloud is
prevalent. Therefore, to tackle this problem, a periodical
search is more appropriate. Since the movement of the sun
could be estimated about 15 degree is equal to an hour, an
appropriate user predefined search cycle of 5, 10, 15
minutes can be chosen to track the sun pretty accurately.
2) Condition for searching
With the predetermined searching cycle, the system still
needs another condition for starting the search. This
Start
Initialize
RTC,ADC,LCD
Get time from
RTC and Value
from ADC
Rotate motor flag
- Azimuth angle
Rotate motor
False
Delay
Get measred
voltage from
different points
Get maximum
voltage from that
True
If max voltage at
pt.2>pt. 1
or
pt. 2 > pt. 3
yes
Rotate flag -
True
If LDR
does not detect
solar light
NO
If fluctuation
detect in voltage from
ADC
Yes
Rotate flag -
False
Yes
Get Values from
ADC
Rotate motor flag
- Altitude angle
Rotate motor
False
Delay
Get measred
voltage from
different points
Get maximum
voltage from that
True
If max voltage at
pt.2>pt. 1
or
pt. 2 > pt. 3
yes
Rotate flag -
True
If LDR
does not detect
solar light
No
No
If fluctuation
detect in voltage from
ADC
Yes
Rotate flag -
False
Yes
Making Model of Dual Axis Solar Tracking with Maximum Power Point Tracking
(IJSRD/Vol. 2/Issue 09/2014/127)
All rights reserved by www.ijsrd.com 561
condition will be able to handle the current fluctuation in the
solar intensity. The system will sample the solar intensity
every second for a period of four seconds. The results are
analyzed to check whether the peak to peak variation is less
than a user predefined value of 1 V If the condition is
satisfied, the system will start the search. This condition
could increase the possibility of getting constant intensity
during the search, but it cannot guarantee the unpredicted
future outcome. To ease the concern over this matter, the
search is made in the shortest time possible. Normally it will
take about 1-2 seconds provided it does not start from a
fresh search. The whole working algorithm is summed up in
the flowchart shown in figure 3.With the algorithm being
defined, sun tracking system will start tracking from sun
rise. As the sun moves, the system will use the roll DC
motor to track the movement in azimuth plane and tilt DC
motor to track the movement in the altitude plane to get the
best tilt angle.
Fig. 4: Comparison between MPPT voltage and Fixed
Voltage
D. Sun tracking system results
The first part will analyse the power generated by the solar
cells with and without dynamic tracking system.
1) Experiments Conditions
Weather Sunny
Starting Time 16/11/2014 8:00 AM
Ending Time 16/11/2014 5:00PM
Duration 10 Hours
2) Experimental Results
Type
Dynamic Tracking
System
No tracking
system
Load 13.6Ω 13.6Ω
Average
Voltage
10.796 8.427
Average
Current
65.558 34.488
Average Power 0.872865 0.362676
Improvement 51.0189 N.A.
The effectiveness and reliability of the P & O
MPPT as sensors are verified by experimental results. For a
comparison, a static PV cell and a PV cell with a dynamic
tracking system are tested under the together under the same
condition. The measured power conversions of the cells are
the basis for performance comparison. The effectiveness of
the system was tested under winter conditions.
III. CONCLUSION
In this paper, an intelligent solar tracking system based on
embedded microcontroller PIC16F877A is present and
implemented. This solar tracking system consists of Voltage
divider circuit as a voltage sensor, embedded controller,
control mechanism and solar tracking equipment. The P &
O MPPT technique is used for sun position is introduced
briefly in order to trace the movement of the sun. The
hardware structure of the intelligent solar tracking system
based on PIC16F877A microcontroller is introduced in
detail. Meanwhile, P & O MPPT control strategy and the
software code for DC motor is described. This proposed
solar tracking system can improve the photoelectric
conversion efficiency of the solar cell array with high
accuracy.
REFERENCES
[1] Ahmad Al Nabulsi, Ammar El Nosh, Abdulrahman
Ahli, Mohamed Sulaiman and Rached Dhaouadi
“Efficiency Optimization of 150W PV System
Using Dual Axis Tracking and MPPT”, IEEE
International Energy Conference, 2010.
[2] Santhosh K V ,Tamal Dutta and J S Rajshekar,” 2
D Tracking System for Solar Panels Using
SVM Implemented by Motion Assistant of Lab
VIEW”, International Conference on Signal
Processing, Image Processing and Pattern
Recognition [ICSIPRl,2013.
[3] Zolkapli, AI-Junid , Othman Z, Manut, A. and
Mohd Zulkifli “High-Efficiency Dual-Axis Solar
Tracking Developement using Arduino”, 2013
International Conference on Technology,
Informatics, Management, Engineering &
Environment (TIME-E 2013) Bandung,
Indonesia, June 23-26,2013.
[4] S. Dasgupta, Freddy Wilyanto Suwandi , S. K.
Sahoo, *S. K. Panda,” Dual Axis Sun Tracking
System with PV Cell as the Sensor, Utilizing
Hybrid Electrical Characteristics of the Cell to
Determine Insolation”,IEEE-International
Conference On Advances In Engineering, Science
An Management (ICAESM -2010) December
6,9,2010.
[5] LIM ZI CHAO,” DUAL AXIS SOLAR
TRACKER STUDY”,IEEE International Energy
Conference,2010.
[6] Trishan Esram, and Patrick L. Chapman,
“Comparison of Photovoltaic Array Maximum
Power Point Tracking Techniques”, IEEE
TRANSACTIONS ON ENERGY CONVERSION,
VOL. 22, NO. 2, JUNE 2007.
[7] Akihiro Oi, “DESIGN AND SIMULATION OF
PHOTOVOLTAIC WATER PUMPING
SYSTEM”, IEEE International Energy Conference
September 2005.
[8] Manuela Sechilariu, Baochao Wang and Fabrice
Locment,” Building Integrated Photovoltaic
System with Energy Storage and Smart Grid
Communication”, IEEE TRANSACTIONS ON
INDUSTRIAL ELECTRONICS, VOL. 60, NO. 4,
APRIL2013.
0
20
8 9 10 11 12 1 2 3 4 5
Comparision between
MPPT Volt. And Fixed Volt.
Time MPPT voltage
FIXED Voltage
Making Model of Dual Axis Solar Tracking with Maximum Power Point Tracking
(IJSRD/Vol. 2/Issue 09/2014/127)
All rights reserved by www.ijsrd.com 562
[9] WANG Wei and LI Shaoyuan,” Model Predictive
Control of 2-axis Solar Tracker for Solar Energy
System”,Proceeding conference of 31st chinese
control conference,25-27 July 2012.

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Making model of dual axis solar tracking with Maximum Power Point Tracking

  • 1. IJSRD - International Journal for Scientific Research & Development| Vol. 2, Issue 09, 2014 | ISSN (online): 2321-0613 All rights reserved by www.ijsrd.com 559 Making Model of Dual Axis Solar Tracking with Maximum Power Point Tracking Mitul G. Ravat1 Mr M.D. Solanki2 1 M.E. Student 2 Assistant Professor 1,2 Department of Electrical Engineering 1,2 Shantilal Shah Engineering College, Bhavnagar, Gujarat, India Abstract— Now a days solar harvesting is more popular. As the popularity become higher the material quality and solar tracking methods are more improved. There are several factors affecting the solar system. Major influence on solar cell, intensity of source radiation and storage techniques The materials used in solar cell manufacturing limit the efficiency of solar cell. This makes it particularly difficult to make considerable improvements in the performance of the cell, and hence restricts the efficiency of the overall collection process. Therefore, the most attainable maximum power point tracking method of improving the performance of solar power collection is to increase the mean intensity of radiation received from the source used. The purposed of tracking system controls elevation and orientation angles of solar panels such that the panels always maintain perpendicular to the sunlight. The measured variables of our automatic system were compared with those of a fixed angle PV system. As a result of the experiment, the voltage generated by the proposed tracking system has an overall of about 28.11% more than the fixed angle PV system. There are three major approaches for maximizing power extraction in medium and large scale systems. They are sun tracking, maximum power point (MPP) tracking or both. Key words: Dual Axis, Solar Tracking, Power Point Tracking I. INTRODUCTION Climate change one of society’s most inevitable challenges. Engineering efforts to address these challenges have largely focused on development and refinement of mechanical, electrical and material technologies that generate and store renewable energy, such as solar arrays, wind turbines and fuel cells. In recent years, growing attention has been drawn to computational methods, such as control theory, artificial intelligence and operations research that are essential for the energy efficient and reliable operation of these systems. The uses of alternative sources such as solar energy are becoming more wide spread. To make solar energy more viable, the efficiency of solar array systems must be maximized. A feasible approach to maximizing the efficiency of solar array system is solar tracking. Proposed in this report is a system that controls the movement of a solar array so that it is constantly aligned towards the direction of the sun. Solar modules are devices that cleanly convert sunlight into electricity and offer a practical solution to the problem of power generation in remote areas. The solar tracker designed and constructed in this project offers a reliable and affordable method of aligning a solar module with the sun in order to maximize its energy output. Automatic Sun Tracking System is a hybrid hardware/software prototype, which automatically provides best alignment of solar panel with the sun, to get maximum output (electricity). A prototype of the automatic dual-axis solar tracking system with a designed sun position tracker mechanism and control system designed in this paper. The sun position tracker mechanism was composed of the embedded system, DC motors, driver, real time clock, voltage divider circuit for voltage measurement. According to feedback signal of V the controller command DC motors to controls elevation and orientation angles of solar panels the that the panels always maintain perpendicular to the sunlight. Each parameter of the system was collected by the controller and control program on PC. As a result of the experiment, the voltage generated by the proposed tracking system has an overall increase of about 28.11% more than the fixed angle PV system in winter days. II. DESIGN OF SUN TRACKING SYSTEM: A. Structure Design –Rotate and Tilt Rotate and Tilt structure is chosen for a smoother movement on dynamic search system. This structure is friendly to the base motor. It does not stress the first level structure through unnecessary load torque from the structure above it. This design involves first rotating the PV panel to the desired direction and then tilting it to the desired tilt angle in order to get maximum irradiance. Rotate and tilt system has a rotational structure at the base platform and the tilting structure at the second level. To make sure the structure is stable and the load torque is constant for the rotational motor, the centre of gravity of tilting structure is aligned at the rotating centre. Figure 1 shows the idea and implementation of rotate and tilts system. Fig. 1: Rotate and tilt Mechanism Structure B. PV cell as a sensor In this sun tracking system, small polycrystalline PV cells are used as the sensors to determine the solar irradiance. The very important electrical characteristic of the solar panel used is the short circuit current, ISC. ISC increases with the increase in the irradiance. To put it more accurate, ISC is proportional to the irradiance in the cosine function of the angle between a normal to the collector face and the
  • 2. Making Model of Dual Axis Solar Tracking with Maximum Power Point Tracking (IJSRD/Vol. 2/Issue 09/2014/127) All rights reserved by www.ijsrd.com 560 incoming solar beam radiation. Figure2 illustrates the angle described above. Fig. 2: The incidence angle, Ɵ between normal to the collector face and incoming solar beam radiation [4] Isc α Solar radiation × cos Ɵ Solar cell can hence be tilted around while short circuit current is being measured. The maximum current will indicate the best insolation when the incident angle is zero degree. The MPP can also be determined from the short- circuit current of the panel (ISC), because IMPP is linearly related to it under varying atmospheric conditions. Similar to fractional open circuit voltage, the constant must be determined for each type of system. Determining ISC is more challenging, because doing so from time to time not only increases power loss and heat dissipation, but also requires an additional switch and current sensor. Obviously, this increases component count and cost. The simplest implementations do not require microcontrollers, but for better accuracy and to solve problems related to partial shading, more processing power is necessary to sweep the panel current from 0 to ISC, and memorize the output voltage profile The maximum power point voltage has a linear dependency on the open circuit voltage VOC under different irradiance and temperature conditions. Computing the MPP (Maximum Power Point) comes down to: The constant k depends on the type and configuration of the photovoltaic panel. The open circuit voltage must be measured and the MPP determined in some way for different ambient conditions. Usually, the system disconnects the load periodically to measure VOC and calculate the operating voltage. This method has some clear disadvantages, temporary loss of power being an obvious one. An alternate method would be to use one or more monitoring cells, but they also need to be chosen and placed very carefully to reflect the true open circuit voltage of the system. Although this method is quite simple and robust and does not require a microcontroller, the constant only allows a crude approximation of the MPP. Other algorithms will significantly increase the top power drawn from the same PV installation. C. Operating principle and working Algorithm The proposed dual axis sun tracking system can tracked the sun in two axes- horizontal and vertical. The first motor will rotate the solar panel to track the sun in the horizontal axis. Once it has established the correct direction of the sun, it will start tracking in the vertical axis to get the best tilt angle. The working principle of the tracking system is based on the P & O MPPT of solar cell used under the correct conditions. In short, the system will take a step in unidirectional and sense the change in the voltage of the solar cell. If a negative response is obtained from the feedback of the sensor, the system will turn around and move in the same direction until it reaches the maximum point. If any fluctuation detect by ADC then motor step is taken and there is a delay set.so after some time motor start stepping as per ADC signal. Small minimum change in intensity is required before a further step is taken. Besides the algorithm, searching conditions need to be specified to anticipate the changing environment condition such as movement of cloud over the sun which causes a variation in the intensity of solar irradiance. Without these searching conditions, the sun tracking system will be searching nonstop to react to the changing intensity. The conditions of interest are as follow: Fig. 3: Flow chart of solar tracking searching algorithm 1) Search trigger and its frequency The system can search whenever there is a specified change in the solar intensity. This condition can be used in the indoor experiment where the light intensity can be closely controlled. However, in the unpredictable outdoor environment, this condition could not be applied because the fluctuation in solar intensity due to moving cloud is prevalent. Therefore, to tackle this problem, a periodical search is more appropriate. Since the movement of the sun could be estimated about 15 degree is equal to an hour, an appropriate user predefined search cycle of 5, 10, 15 minutes can be chosen to track the sun pretty accurately. 2) Condition for searching With the predetermined searching cycle, the system still needs another condition for starting the search. This Start Initialize RTC,ADC,LCD Get time from RTC and Value from ADC Rotate motor flag - Azimuth angle Rotate motor False Delay Get measred voltage from different points Get maximum voltage from that True If max voltage at pt.2>pt. 1 or pt. 2 > pt. 3 yes Rotate flag - True If LDR does not detect solar light NO If fluctuation detect in voltage from ADC Yes Rotate flag - False Yes Get Values from ADC Rotate motor flag - Altitude angle Rotate motor False Delay Get measred voltage from different points Get maximum voltage from that True If max voltage at pt.2>pt. 1 or pt. 2 > pt. 3 yes Rotate flag - True If LDR does not detect solar light No No If fluctuation detect in voltage from ADC Yes Rotate flag - False Yes
  • 3. Making Model of Dual Axis Solar Tracking with Maximum Power Point Tracking (IJSRD/Vol. 2/Issue 09/2014/127) All rights reserved by www.ijsrd.com 561 condition will be able to handle the current fluctuation in the solar intensity. The system will sample the solar intensity every second for a period of four seconds. The results are analyzed to check whether the peak to peak variation is less than a user predefined value of 1 V If the condition is satisfied, the system will start the search. This condition could increase the possibility of getting constant intensity during the search, but it cannot guarantee the unpredicted future outcome. To ease the concern over this matter, the search is made in the shortest time possible. Normally it will take about 1-2 seconds provided it does not start from a fresh search. The whole working algorithm is summed up in the flowchart shown in figure 3.With the algorithm being defined, sun tracking system will start tracking from sun rise. As the sun moves, the system will use the roll DC motor to track the movement in azimuth plane and tilt DC motor to track the movement in the altitude plane to get the best tilt angle. Fig. 4: Comparison between MPPT voltage and Fixed Voltage D. Sun tracking system results The first part will analyse the power generated by the solar cells with and without dynamic tracking system. 1) Experiments Conditions Weather Sunny Starting Time 16/11/2014 8:00 AM Ending Time 16/11/2014 5:00PM Duration 10 Hours 2) Experimental Results Type Dynamic Tracking System No tracking system Load 13.6Ω 13.6Ω Average Voltage 10.796 8.427 Average Current 65.558 34.488 Average Power 0.872865 0.362676 Improvement 51.0189 N.A. The effectiveness and reliability of the P & O MPPT as sensors are verified by experimental results. For a comparison, a static PV cell and a PV cell with a dynamic tracking system are tested under the together under the same condition. The measured power conversions of the cells are the basis for performance comparison. The effectiveness of the system was tested under winter conditions. III. CONCLUSION In this paper, an intelligent solar tracking system based on embedded microcontroller PIC16F877A is present and implemented. This solar tracking system consists of Voltage divider circuit as a voltage sensor, embedded controller, control mechanism and solar tracking equipment. The P & O MPPT technique is used for sun position is introduced briefly in order to trace the movement of the sun. The hardware structure of the intelligent solar tracking system based on PIC16F877A microcontroller is introduced in detail. Meanwhile, P & O MPPT control strategy and the software code for DC motor is described. This proposed solar tracking system can improve the photoelectric conversion efficiency of the solar cell array with high accuracy. REFERENCES [1] Ahmad Al Nabulsi, Ammar El Nosh, Abdulrahman Ahli, Mohamed Sulaiman and Rached Dhaouadi “Efficiency Optimization of 150W PV System Using Dual Axis Tracking and MPPT”, IEEE International Energy Conference, 2010. [2] Santhosh K V ,Tamal Dutta and J S Rajshekar,” 2 D Tracking System for Solar Panels Using SVM Implemented by Motion Assistant of Lab VIEW”, International Conference on Signal Processing, Image Processing and Pattern Recognition [ICSIPRl,2013. [3] Zolkapli, AI-Junid , Othman Z, Manut, A. and Mohd Zulkifli “High-Efficiency Dual-Axis Solar Tracking Developement using Arduino”, 2013 International Conference on Technology, Informatics, Management, Engineering & Environment (TIME-E 2013) Bandung, Indonesia, June 23-26,2013. [4] S. Dasgupta, Freddy Wilyanto Suwandi , S. K. Sahoo, *S. K. Panda,” Dual Axis Sun Tracking System with PV Cell as the Sensor, Utilizing Hybrid Electrical Characteristics of the Cell to Determine Insolation”,IEEE-International Conference On Advances In Engineering, Science An Management (ICAESM -2010) December 6,9,2010. [5] LIM ZI CHAO,” DUAL AXIS SOLAR TRACKER STUDY”,IEEE International Energy Conference,2010. [6] Trishan Esram, and Patrick L. Chapman, “Comparison of Photovoltaic Array Maximum Power Point Tracking Techniques”, IEEE TRANSACTIONS ON ENERGY CONVERSION, VOL. 22, NO. 2, JUNE 2007. [7] Akihiro Oi, “DESIGN AND SIMULATION OF PHOTOVOLTAIC WATER PUMPING SYSTEM”, IEEE International Energy Conference September 2005. [8] Manuela Sechilariu, Baochao Wang and Fabrice Locment,” Building Integrated Photovoltaic System with Energy Storage and Smart Grid Communication”, IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, VOL. 60, NO. 4, APRIL2013. 0 20 8 9 10 11 12 1 2 3 4 5 Comparision between MPPT Volt. And Fixed Volt. Time MPPT voltage FIXED Voltage
  • 4. Making Model of Dual Axis Solar Tracking with Maximum Power Point Tracking (IJSRD/Vol. 2/Issue 09/2014/127) All rights reserved by www.ijsrd.com 562 [9] WANG Wei and LI Shaoyuan,” Model Predictive Control of 2-axis Solar Tracker for Solar Energy System”,Proceeding conference of 31st chinese control conference,25-27 July 2012.