Ta'lim innovatsiyasi va integratsiyasi
49-son_1-to’plam_Iyul -2025
79
ISSN:3030-3621
PHOTOVOLTAIC POWER PLANTS WITH TRACKER SYSTEMS
ANDIJAN STATE TECHNICAL INSTITUTE
ORIPOVA DILNOZA KARIMJON KIZI,
YUSUPOV ABDURASHID KHAMIDILLAEVICH
Abstract:
This article provides a detailed overview of the operating principle,
advantages, disadvantages, and application areas of photovoltaic power plants with
tracker systems. Photovoltaic technology and tracker systems are examined separately,
highlighting their role and efficiency in the energy sector. Tracker-based photovoltaic
power plants represent a modern technology designed to utilize solar energy more
efficiently. These systems automatically adjust the position of solar panels in
accordance with the movement of the sun, thereby optimizing the energy production
process. There are single-axis and dual-axis tracker systems, both of which aim to
increase electricity generation by maximizing solar radiation capture.
Keywords:
Tracker system, photovoltaic energy, solar panels, electrical energy,
solar radiation, efficiency, photovoltaic power plant, single-axis tracker, dual-axis
tracker, solar tracking system, photovoltaic conversion, energy efficiency, tracker
motors, solar radiation optimization, static and dynamic panels, electricity generation,
batteries and accumulators, tracker control system, automated solar tracking,
advantages of tracker systems, photonic energy absorption, climate conditions and
solar energy, investment and economic efficiency, environmental impact.
Introduction:
Maximizing the use of solar energy is one of the key challenges
in the modern energy sector. Photovoltaic power plants (solar panels) rely on the angle
of solar radiation incidence during the energy generation process, which directly affects
their efficiency. Tracker-based photovoltaic systems, however, follow the movement
of the sun and ensure that the solar panels are positioned at the most efficient angle.
The main advantages of tracker systems include high energy efficiency, stability in
electricity generation, and long-term economic benefits. Solar trackers can operate
using various methods and mechanisms; however, they all serve the same fundamental
purpose: to increase energy production by moving solar panels in such a way that they
capture the maximum possible amount of direct sunlight.
Some manufacturers claim that their trackers can increase energy output by up
to 45% compared to fixed rooftop systems. Fixed installations—such as those mounted
on traditional residential rooftops—only maintain an optimal angle for a limited
portion of the day and therefore cannot fully utilize solar radiation. Although fixed
systems are generally less efficient than those with solar trackers, each installation type
has its own advantages and disadvantages, depending on the project, client, and
Ta'lim innovatsiyasi va integratsiyasi
49-son_1-to’plam_Iyul -2025
80
ISSN:3030-3621
geographic location. Such systems significantly improve solar exposure, resulting in
better performance compared to conventional static solar panels. Moreover, the
application of tracker systems enables more efficient use of clean, renewable energy
sources and contributes to the reduction of carbon emissions. This study focuses on the
development of photovoltaic power plants, the operational principles of solar tracker
systems, and their economic and environmental significance. These technologies are
expected to play a vital role in the future expansion of renewable energy deployment.
Photovoltaic technology is a system that converts solar radiation into electrical energy
using solar panels. These panels are made from semiconductor materials, where the
impact of solar photons on electrons generates an electric current.
Photovoltaic systems enable the use of solar energy as a clean and renewable
energy source. There are three main categories of solar trackers, each with its own
strengths and limitations. Understanding these types helps determine which option—if
any—is most suitable for a given solar energy requirement. Manual solar trackers,
often referred to as portable solar trackers, represent the simplest and most cost-
effective type. As the name implies, these systems require manual adjustments
throughout the day to follow the sun’s position. Either the user or another individual
must physically reposition the panels to align them with the sun’s path. Although
manual trackers are less convenient than automated alternatives, they may serve as a
low-cost solution for small-scale installations or for users who are not averse to hands-
on operation.
The tracker system is a mechanical mechanism designed to automatically move
solar panels in order to maximize solar radiation utilization. It consists of the following
key components:
Sensors and control system – determine the position of the sun and adjust the
angle of the panels accordingly.
Electric motors and mechanical structures – rotate the panels in the required
direction.
Power supply – provides the energy necessary to operate the tracker system.
The tracker system adapts to the optimal tilt angle by accounting for the sun's
movement throughout the day and across different seasons. This adjustment increases
the efficiency of electricity generation by the solar panels. Photovoltaic systems
equipped with trackers are generally classified into two main types based on their range
of motion:
Ta'lim innovatsiyasi va integratsiyasi
49-son_1-to’plam_Iyul -2025
81
ISSN:3030-3621
Single-Axis Tracker:
This system moves in only one direction—typically along the east-west axis—
tracking the sun's movement throughout the day and adjusting the tilt of the panels
accordingly. It is widely used in large-scale solar power plants. Single-axis trackers
can improve energy output by approximately 20–30%. They are a popular choice due
to their effective balance between performance and cost. Although single-axis systems
do not adjust for the sun’s elevation angle (i.e., how high or low the sun is in the sky),
they still capture significantly more sunlight compared to fixed-panel systems. For
users seeking a relatively simple and cost-effective way to enhance energy production
without investing in complex technology, a single-axis tracker is an ideal solution. It is
particularly suitable for large-scale installations such as solar farms, as well as for
homeowners who want to increase energy yield without incurring the added costs and
maintenance demands of more advanced systems [1-2].
This system tracks the movement of the sun along two directions—both
horizontal and vertical planes. It offers the highest efficiency among tracking
technologies and can increase energy output by approximately 30–40%. Dual-axis
trackers are typically used in small-scale systems or in locations where high
performance is essential. These trackers represent the most advanced and efficient
option available. They move in two directions—east to west and up and down—
enabling the solar panels to follow the sun more precisely throughout the day and
across seasons. This improved alignment allows for up to 40% greater energy
production compared to fixed systems. However, dual-axis trackers are more expensive
and require more maintenance than single-axis systems. Due to their complexity and
cost, they are most commonly deployed in large-scale solar farms or commercial
installations where maximizing energy output is critical. For residential users, unless
there is a specific need to optimize every possible watt of solar energy and a sufficient
budget to invest in more advanced infrastructure, dual-axis tracking systems may not
be the most practical choice [2-5].
Ta'lim innovatsiyasi va integratsiyasi
49-son_1-to’plam_Iyul -2025
82
ISSN:3030-3621
Higher Efficiency: Tracker systems enable solar panels to capture the maximum
amount of solar radiation by maintaining optimal alignment with the sun throughout
the day.
Maximum Utilization: By continuously adjusting the panel orientation, the
system ensures that energy production remains high, particularly during peak sunlight
hours.
Stable Energy Production: Compared to fixed systems, tracker-equipped panels
produce electricity more consistently throughout the day, resulting in a more uniform
power output profile.
Increased Return on Investment: Higher energy generation leads to faster
payback periods, making the system economically attractive in the long term.
Advantages and Disadvantages of Tracker Systems
Enhanced Energy Output: The primary advantage of solar trackers is their ability
to increase solar energy capture. Depending on the type, they can deliver up to 40%
more electricity compared to fixed systems. This means that more energy can be
generated with the same number of panels, or fewer panels can be used to meet the
same energy demand—particularly beneficial in space-constrained environments [6-
9].
Maximum System Performance: With tracking technology, panels are
continuously adjusted to maintain the optimal tilt angle relative to the sun, ensuring
Ta'lim innovatsiyasi va integratsiyasi
49-son_1-to’plam_Iyul -2025
83
ISSN:3030-3621
improved overall efficiency. Unlike fixed-angle installations, the system dynamically
responds to solar movement for peak performance across the entire day.
Improved Performance in Specific Climates: Solar trackers are especially
effective in regions with high solar irradiance and clear skies, where they can follow
the sun’s path with minimal obstruction. In such conditions, system performance can
be significantly enhanced.
The upfront investment required for solar trackers can be substantial. Even the
most basic tracker systems are more expensive than fixed-mount solar panel systems.
More advanced models, such as dual-axis trackers, can significantly increase overall
system costs. It is essential to carefully evaluate whether the additional energy
production justifies the higher capital expenditure [10-14].
Due to the presence of moving parts, tracker systems require more maintenance
than stationary systems. Components such as motors, sensors, and actuators are subject
to mechanical wear over time. Any malfunction can impair the system’s ability to
properly track the sun, potentially reducing energy output. This necessitates allocating
a budget for periodic inspections, repairs, or replacement of parts.
Installing a tracker system is generally more complex than setting up a fixed
solar array. A stable and reinforced foundation is often necessary, and precise
alignment with the sun's path is required to ensure proper functionality. This added
complexity may also contribute to higher installation costs [15-19].
Applications of Tracker Systems.
Tracker-based photovoltaic power plants are widely used in the following areas:
Large-scale solar power plants – used for generating electricity in high volumes.
Industrial enterprises – applied in large industrial facilities to reduce electricity
costs.
Agriculture – utilized to power water pumps and irrigation systems.
Private households – serve as a high-efficiency solar energy source for
residential needs.
Off-grid systems – used as an independent energy source in areas that are distant
from centralized power grids.
Conclusion
Solar panels equipped with tracker systems represent one of the key solutions
aimed at enhancing the efficiency of modern photovoltaic technology. By continuously
optimizing the tilt angle of the panels, these systems enable maximum absorption of
solar radiation. As a result, energy production significantly increases compared to
conventional fixed-panel systems. The advantages of tracker systems include high
efficiency, stable energy generation, and long-term economic benefits. Particularly in
large-scale solar power plants, the use of such technology reduces the cost of electricity
generation and expands the potential for utilizing clean and renewable energy
Ta'lim innovatsiyasi va integratsiyasi
49-son_1-to’plam_Iyul -2025
84
ISSN:3030-3621
sources.Overall, solar panels with tracker systems constitute an important innovation
in the field of renewable energy and play a significant role in global sustainable
development and the transition to green energy. The further advancement of this
technology is expected to contribute to greater energy efficiency and the reduction of
carbon emissions in the future.
REFERENCES
1.
Yusupov Abdurashid Khamidillaevich. (2025). THE PHYSICAL ESSENCE OF
THE VOLT-AMPERE CHARACTERISTICS OF SOLAR CELLS.
World
Scientific
Research
Journal
,
38
(1),
387–391.
Retrieved
from
https://inlibrary.uz/index.php/wsrj/article/view/93407
2.
Yusupov Abdurashid Khamidillaevich, & Oripova Dilnoza Karimjon kizi. (2025).
TYPES OF PHOTOVOLTAIC CELLS AND THEIR EFFICIENCY.
World
Scientific
Research
Journal
,
38
(1),
392–397.
Retrieved
from
https://inlibrary.uz/index.php/wsrj/article/view/93406
3.
Yusupov Abdurashid Khamidillaevich, & Yuldasheva Saodatkhon Sultonbek kizi.
(2024). APPLICATION OF PHOTOVOLTAIC EFFECTS TO ENERGY SAVING
MATERIALS.
Лучшие
интеллектуальные
исследования
,
21
(2),
62–68.
https://web-journal.ru/journal/article/view/5316
4.
Yusupov Abdurashid Khamidullayevich, & Khakimov Ulugbek ogli. (2024).
DEVICES
COLLECTING
SUNLIGHTS.
Лучшие
интеллектуальные
исследования
,
21
(1),
193–199.
Retrieved
from
journal.ru/journal/article/view/5297
5.
Yusupov Abdurashid Khamidillaevich, & Artikov Dilshodbek Xushbakjon ogli.
(2024). APPEARANCE OF PHOTOVOLTAIC EFFECT IN POLYCRYSTAL
SILICON
BASED
RECEIVER.
Лучшие
интеллектуальные
исследования
,
21
(1),
179–186.
Retrieved
from
journal.ru/journal/article/view/5295
6.
Yusupov Abdurashid Khamidullayevich, & Rozmamatov Oybek Dilshodbek ogli.
(2024).
OBTAINING
ELECTRICAL
ENERGY
USING
DEVICES
COLLECTING SUNLIGHTS.
Лучшие интеллектуальные исследования
,
21
(1),
https://web-journal.ru/journal/article/view/5296
7.
Yusupov Abdurashid Khamidullayevich, & Artikov Dilshodbek Khushbaqjon ogli.
(2024). PHOTOVOLTAIC EFFECTS AND THEIR EFFECTIVE USE.
Лучшие
интеллектуальные исследования
,
14
(2), 21–27. Retrieved from
journal.ru/journal/article/view/2884
8.
Yusupov Abdurashid Xamidullayevich, & Qodiraliyev Nursaid Botirali o`g`li.
(2024). QUYOSH SPEKTRI VA FOTOELEKTRIK MATERIALINING
YUTILISH SPEKTRI O‘RTASIDAGI NOMUVOFIQLIKNING TA’SIRINI
Ta'lim innovatsiyasi va integratsiyasi
49-son_1-to’plam_Iyul -2025
85
ISSN:3030-3621
KAMAYTIRISH.
Лучшие интеллектуальные исследования
,
14
(2), 64–71.
https://web-journal.ru/journal/article/view/2891
9.
Yusupov Abdurashid Xamidullayevich, & Yuldasheva Saodatkhan Sultanbek kizi.
(2024). PPLICATION OF PHOTOVOLTAIC EFFECTS TO ENERGY-SAVING
MATERIALS COMPONENTS OF THE STRUCTURE AND SOLAR CELLS.
Лучшие интеллектуальные исследования, 14(2), 105–109. Retrieved from
http://web-journal.ru/index.php/journal/article/view/2897
10.
Kodirov, D., Makhmudov, V., Normuminov, J., Shukuraliev, A., Begmatova, N.,
& Abdurashid, Y. (2024). Determination of the optimal angle for high efficiency of
solar panels in Uzbekistan. In E3S Web of Conferences (Vol. 563, p. 01008). EDP
Sciences.
11.
Khamidillaevich, Y. A., & Abdumalik, T. (2024). HIGH TEMPERATURE
SOLAR CONCENTRATORS. Лучшие интеллектуальные исследования, 21(1),
200-206.
12.
Юсупов
Абдурашид
Хамидиллаевич,
&
Хамдамова
Наргизой
Хамидуллаевна. (2024). ЭЛЕКТРОМАГНИТ ИНДУКЦИЯ МАВЗУСИНИ
ИНТЕРФАОЛ МЕТОДЛАР БИЛАН ЎҚИТИШ. PEDAGOGS, 48(1), 43–50.
Retrieved from
https://pedagogs.uz/index.php/ped/article/view/575
13.
THE EFFICIENCY OF SOLAR PANELS DEPENDS ON CLIMATIC
CONDITIONS. (2025).
Лучшие интеллектуальные исследования
,
46
(5), 41-
https://scientific-jl.com/luch/article/view/20066
14.
OBTAINING ELECTRICITY FROM SOLAR PANELS AND INCREASING
THEIR EFFICIENCY. (2025).
Лучшие интеллектуальные исследования
,
46
(5),
https://scientific-jl.com/luch/article/view/20065
15.
QUYOSH
KONSENTRATORLARI.
(2025).
Лучшие интеллектуальные
исследования
,
46
https://scientific-jl.com/luch/article/view/19713
16.
BASIC
PARAMETERS
OF
THERMOELECTRIC
MATERIALS.
(2025).
Лучшие
интеллектуальные
исследования
,
46
(3),
81-
https://scientific-jl.com/luch/article/view/19431
17.
MOLECULAR
BEAM
EPITAXY.
(2025).
Лучшие интеллектуальные
исследования
,
46
https://scientific-jl.com/luch/article/view/19430
18.
FIELDS OF APPLICATION OF PHOTOVOLTAIC CELLS BASED ON
ORGANIC
MATERIALS.
(2025).
Лучшие
интеллектуальные
исследования
,
36
https://scientific-jl.org/luch/article/view/8351
19.
Oripova Dilnoza Karimjon kizi, & Yusupov Abdurashid Khamidillaevich. (2024).
PHENOMENON OF PHOTO EFFECT IN SEMICONDUCTORS.
JOURNAL OF
NEW
CENTURY
INNOVATIONS
,
67
(4),
