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International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056
Volume: 06 Issue: 05 | May 2019 www.irjet.net p-ISSN: 2395-0072
© 2019, IRJET | Impact Factor value: 7.211 | ISO 9001:2008 Certified Journal | Page 4635
Monitoring and Measurement of Solar parameters using IOT
Ruchita Sangpal1, Kamalnayan Wankhede2, Raviraj Dhale3, Prajul Shinde4, Sunil Kadlag5
1,2,3,4 UG Student, Department of Electrical Engineering, Amrutvahini College of Engineering, Sangamner,
Maharashtra, India
5 Professor, Department of Electrical Engineering, Amrutvahini College of Engineering, Sangamner, Maharashtra,
India
---------------------------------------------------------------------***---------------------------------------------------------------------
Abstract - In the proposed work, monitoring, and
measurement of photovoltaic panel is done on wireless basis.
Voltage, Current, Power and light intensity are four
parameters to be measured. Sensors are used for measuring
purpose of the parameters. This system gives monitoring and
measuring on continuousbasisonrealtimemonitoring. All the
parameters are controlled and monitored through IOT.
Keywords: Arduino, Wi-Fi module, Current sensor,
Voltage sensor, LDR, Solar panel.
1. INTRODUCTION
The solar panel performance is being affected by many
factors. Today, amongst renewable energy, solar energy is
the important source of renewable energy and this energy
can replace other energy in generation of power. The
efficiency of PV panel can get reduce due to environmental
factors as dust, dirt, solar irradiation, etc. Energy generation
from solar panels needs to be in accurate value and
maintained and there must be seen decrease in power loss.
Therefore, the energy output through PV panels will not
make reduction in output and efficiency. Monitoring and
measuring the output of individual panel will help in
increasing power generation and ultimately increase in
overall efficiency in an array.
Figure 1 - Block diagram of the system
2. SOFTWARE DEVELOPMENT
In the software part, we have used two softwares these
are-
a) Arduino IDE
b) ThingSpeak webpage
2.1 ARDUINO IDE
Arduino IDE is a program coding tool on which we can run
programs. The IDE (Integrated Development Environment)
is java based application that runs on multiple platforms.
The programming language for IDE is not tough.
Figure 2 - Arduino IDE
2.2 THINGSPEAK WEBPAGE
ThingSpeak webpage is not a close source webpage. Also,
this webpage does not cost any price for starting. This
ThingSpeak webpage shows graph of measured parameters
like Voltage, Current, Light intensity and Power on the basis
of real time monitoring we can get actual graphical curved
nature of power used(consumed) and generated. This real
time monitoring is continuously varying its data after every
30 seconds. i.e., after every 30 seconds, new data gets
updated
International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056
Volume: 06 Issue: 05 | May 2019 www.irjet.net p-ISSN: 2395-0072
© 2019, IRJET | Impact Factor value: 7.211 | ISO 9001:2008 Certified Journal | Page 4636
Figure 3- ThingSpeak webpage on phone
3. HARDWARE DEVELOPMENT
Hardware used are-
a) Battery- sealed lead acid battery (12V, 1.3Ah)
b) CT- ACS712, 30A
c) ATMEGA328 microcontroller
d) Wi-Fi module- ESP8266
e) Solar panel
This way of determining real time measurement of
photovoltaic panel will display values onscreenofcomputer
and real time measurement graph can be displayed on
webpage of ThingSpeak which can be displayed / observed
on phone.
This will also help in recognizing faultsanddetectingiton an
immediate basis, which will not require a longer time. Light
intensity level represents an important factor in solar panel
performance i.e., the energy which is to be converted intoan
electrical power output is varying constantly with making a
proportionality graph with intensity of light. Many sensors
are being used for collecting data from PV panel and display
it on screen.
4. SYSTEM DEVELOPMENT
The output of solar photovoltaic panel has variable range
which can produce up to 5W of power, The light is sensed by
light dependent resistor (LDR), Current is sensed bycurrent
sensor and for voltage, voltage regulator has been used. The
maximum output voltage of panel is up to 18V but Arduino
(microcontroller) has the sensing value ofvoltagelimited up
to 5V only and not greater than that. Hence to drop the
voltage from 18V, we have used voltage divider circuit. We
have used current sensor here for the reason, the Arduino is
unable to sense directly current and hence current sensor
will convert current value in voltage form andthendisplayit
on the screen.
a) BATTERY- Battery operates in a wide range of
temperature -15° C to +50 ° C when it is not in discharged
condition. Battery should be of the best quality, so it will not
damage or reduce its life. Also over the life of battery power
will be remain properly. It has low discharge rate 2-3% per
month compared to 20-30% for more common batteries.
b) CT- ACS712- Thecurrentisconventionallymeasured by
current transformers but ACS712 is availableinmarket with
lower cost and smaller size. The ACS712 is Hall Effect
current sensor that accurately measures current when
induced. The magnetic field around AC wire is detected
which gives equivalent analog output voltage. The analog
voltage output is then processed by the microcontroller to
measure current flow through the load. It has following
benefits and features-
 Low noise analog signal path
 80khz bandwidth
 Nearly zero magnetic hysterisis
 Device bandwidth is set by new FILTER pin
 Factory trimmed for accuracy
 Extremely stable output offset voltage
c) ARDUINO- Arduino is open source, single board
microcontroller that you can use for many different
applications. Arduino use eitheranAtmel AVRorAtmel ARM
microcontroller chip, and some versions have a USB
interface. They also have six or more analog input pins and
fourteen or more digital input/output pins that are used to
connect sensors, actuators, and other peripheral circuits to
the microcontroller.
For this project we are using ATmega328P microcontroller
which has 14 digital input output pins (of which 6 provides
PWM output) and 6 analog input pins. Its operating voltage
is 5v and clock speed is 16 MHz.
d) Wi-Fi module ESP8266- ESP8266 is highly integrated
Wi-Fi soc available in compact size and provides reliable
performance. It has complete self-contained Wi-Fi
networking capabilities, ESP8266 can perform as a stand-
alone application or as slave to host microcontroller unit.
ESP8266 can be applied to anymicrocontrollerdesignasWi-
Fi adapter through SPI/SDIO or UART interfaces.
e) Solar Panel-Each panel is constructed in heavy duty
anodized aluminum channel frame thatprovidesconvenient
mounting location and adds strength to the panel. The
specifications of solar panel which we are using for this
project are as follows-
International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056
Volume: 06 Issue: 05 | May 2019 www.irjet.net p-ISSN: 2395-0072
© 2019, IRJET | Impact Factor value: 7.211 | ISO 9001:2008 Certified Journal | Page 4637
 Maximum power 5watt
 Open circuit voltage- 21 v
 Short circuit current- 0.31 A
 Voltage at maximum power- 18 v
 Current at maximum power- 0.28 A
5. IMPLEMENTATION
Internet of things (IOT) is basically a platform which
expands data and acts as a very superfast communication
network to share valuable information withdifferentkind of
applications and needs.
Along with IOT, platform like ThingSpeak and cloud etc. we
can easily is get point to point information which is required
and remove which can be ignored. This smartly collecting of
information picked using sensor makesustomakedecisions
on real time monitoring, which saves time and reduces in
man efforts. The work flow of the system is in the form of
steps below:-
 Arduino displays the data of power, current,
voltage, light intensity using sensed value through
current sensor, voltage divider circuit, light
intensity sensor.
 Wi-Fi module fetches the data from Arduino and
display on the webpage through program.
 Wi-Fi module sends the monitoring data on the
cloud.
 Cloud will display the data in the form of graph,
which is accessible from anywhere using phone or
computers
6. APPLICATIONS
 For household applications
 Solar street lights
 Garden lights
 Rooftop solar
 Solar cities
7. CONCLUSIONS
Using IOT for monitoring solar plant guides the user in
analysis of renewable energy usage. The monitoring values
obtained are also helpful for predicting future values of
parameters considered. This will help for future decision
making process for large scale power plant.
REFERENCES
[1] Purusothaman S.R.R. and Dhiwaakar et al., 2013
“Implementation of Arduino based multi-agent system
for rural Indian micro-grids ”IEEE Innovativesmartgrid
technologies Asia. IEEE2013.
[2] Jiju K. et. al. 2014“Development of android based online
monitoring and control system for renewable energy
sources.” Computer communications and control
technology (I4CT), International conference on
IEEE2014
[3] Kabalci, Ersan, Gorgun A. amd Kabalci Y.,2013 “Design
and implementation of renewable energy monitoring
system.”Power engineering, energyandelectrical drives
(powering), fourth international conference on
IEEE2013

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IRJET- Monitoring and Measurement of Solar Parameters using IoT

  • 1. International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056 Volume: 06 Issue: 05 | May 2019 www.irjet.net p-ISSN: 2395-0072 © 2019, IRJET | Impact Factor value: 7.211 | ISO 9001:2008 Certified Journal | Page 4635 Monitoring and Measurement of Solar parameters using IOT Ruchita Sangpal1, Kamalnayan Wankhede2, Raviraj Dhale3, Prajul Shinde4, Sunil Kadlag5 1,2,3,4 UG Student, Department of Electrical Engineering, Amrutvahini College of Engineering, Sangamner, Maharashtra, India 5 Professor, Department of Electrical Engineering, Amrutvahini College of Engineering, Sangamner, Maharashtra, India ---------------------------------------------------------------------***--------------------------------------------------------------------- Abstract - In the proposed work, monitoring, and measurement of photovoltaic panel is done on wireless basis. Voltage, Current, Power and light intensity are four parameters to be measured. Sensors are used for measuring purpose of the parameters. This system gives monitoring and measuring on continuousbasisonrealtimemonitoring. All the parameters are controlled and monitored through IOT. Keywords: Arduino, Wi-Fi module, Current sensor, Voltage sensor, LDR, Solar panel. 1. INTRODUCTION The solar panel performance is being affected by many factors. Today, amongst renewable energy, solar energy is the important source of renewable energy and this energy can replace other energy in generation of power. The efficiency of PV panel can get reduce due to environmental factors as dust, dirt, solar irradiation, etc. Energy generation from solar panels needs to be in accurate value and maintained and there must be seen decrease in power loss. Therefore, the energy output through PV panels will not make reduction in output and efficiency. Monitoring and measuring the output of individual panel will help in increasing power generation and ultimately increase in overall efficiency in an array. Figure 1 - Block diagram of the system 2. SOFTWARE DEVELOPMENT In the software part, we have used two softwares these are- a) Arduino IDE b) ThingSpeak webpage 2.1 ARDUINO IDE Arduino IDE is a program coding tool on which we can run programs. The IDE (Integrated Development Environment) is java based application that runs on multiple platforms. The programming language for IDE is not tough. Figure 2 - Arduino IDE 2.2 THINGSPEAK WEBPAGE ThingSpeak webpage is not a close source webpage. Also, this webpage does not cost any price for starting. This ThingSpeak webpage shows graph of measured parameters like Voltage, Current, Light intensity and Power on the basis of real time monitoring we can get actual graphical curved nature of power used(consumed) and generated. This real time monitoring is continuously varying its data after every 30 seconds. i.e., after every 30 seconds, new data gets updated
  • 2. International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056 Volume: 06 Issue: 05 | May 2019 www.irjet.net p-ISSN: 2395-0072 © 2019, IRJET | Impact Factor value: 7.211 | ISO 9001:2008 Certified Journal | Page 4636 Figure 3- ThingSpeak webpage on phone 3. HARDWARE DEVELOPMENT Hardware used are- a) Battery- sealed lead acid battery (12V, 1.3Ah) b) CT- ACS712, 30A c) ATMEGA328 microcontroller d) Wi-Fi module- ESP8266 e) Solar panel This way of determining real time measurement of photovoltaic panel will display values onscreenofcomputer and real time measurement graph can be displayed on webpage of ThingSpeak which can be displayed / observed on phone. This will also help in recognizing faultsanddetectingiton an immediate basis, which will not require a longer time. Light intensity level represents an important factor in solar panel performance i.e., the energy which is to be converted intoan electrical power output is varying constantly with making a proportionality graph with intensity of light. Many sensors are being used for collecting data from PV panel and display it on screen. 4. SYSTEM DEVELOPMENT The output of solar photovoltaic panel has variable range which can produce up to 5W of power, The light is sensed by light dependent resistor (LDR), Current is sensed bycurrent sensor and for voltage, voltage regulator has been used. The maximum output voltage of panel is up to 18V but Arduino (microcontroller) has the sensing value ofvoltagelimited up to 5V only and not greater than that. Hence to drop the voltage from 18V, we have used voltage divider circuit. We have used current sensor here for the reason, the Arduino is unable to sense directly current and hence current sensor will convert current value in voltage form andthendisplayit on the screen. a) BATTERY- Battery operates in a wide range of temperature -15° C to +50 ° C when it is not in discharged condition. Battery should be of the best quality, so it will not damage or reduce its life. Also over the life of battery power will be remain properly. It has low discharge rate 2-3% per month compared to 20-30% for more common batteries. b) CT- ACS712- Thecurrentisconventionallymeasured by current transformers but ACS712 is availableinmarket with lower cost and smaller size. The ACS712 is Hall Effect current sensor that accurately measures current when induced. The magnetic field around AC wire is detected which gives equivalent analog output voltage. The analog voltage output is then processed by the microcontroller to measure current flow through the load. It has following benefits and features-  Low noise analog signal path  80khz bandwidth  Nearly zero magnetic hysterisis  Device bandwidth is set by new FILTER pin  Factory trimmed for accuracy  Extremely stable output offset voltage c) ARDUINO- Arduino is open source, single board microcontroller that you can use for many different applications. Arduino use eitheranAtmel AVRorAtmel ARM microcontroller chip, and some versions have a USB interface. They also have six or more analog input pins and fourteen or more digital input/output pins that are used to connect sensors, actuators, and other peripheral circuits to the microcontroller. For this project we are using ATmega328P microcontroller which has 14 digital input output pins (of which 6 provides PWM output) and 6 analog input pins. Its operating voltage is 5v and clock speed is 16 MHz. d) Wi-Fi module ESP8266- ESP8266 is highly integrated Wi-Fi soc available in compact size and provides reliable performance. It has complete self-contained Wi-Fi networking capabilities, ESP8266 can perform as a stand- alone application or as slave to host microcontroller unit. ESP8266 can be applied to anymicrocontrollerdesignasWi- Fi adapter through SPI/SDIO or UART interfaces. e) Solar Panel-Each panel is constructed in heavy duty anodized aluminum channel frame thatprovidesconvenient mounting location and adds strength to the panel. The specifications of solar panel which we are using for this project are as follows-
  • 3. International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056 Volume: 06 Issue: 05 | May 2019 www.irjet.net p-ISSN: 2395-0072 © 2019, IRJET | Impact Factor value: 7.211 | ISO 9001:2008 Certified Journal | Page 4637  Maximum power 5watt  Open circuit voltage- 21 v  Short circuit current- 0.31 A  Voltage at maximum power- 18 v  Current at maximum power- 0.28 A 5. IMPLEMENTATION Internet of things (IOT) is basically a platform which expands data and acts as a very superfast communication network to share valuable information withdifferentkind of applications and needs. Along with IOT, platform like ThingSpeak and cloud etc. we can easily is get point to point information which is required and remove which can be ignored. This smartly collecting of information picked using sensor makesustomakedecisions on real time monitoring, which saves time and reduces in man efforts. The work flow of the system is in the form of steps below:-  Arduino displays the data of power, current, voltage, light intensity using sensed value through current sensor, voltage divider circuit, light intensity sensor.  Wi-Fi module fetches the data from Arduino and display on the webpage through program.  Wi-Fi module sends the monitoring data on the cloud.  Cloud will display the data in the form of graph, which is accessible from anywhere using phone or computers 6. APPLICATIONS  For household applications  Solar street lights  Garden lights  Rooftop solar  Solar cities 7. CONCLUSIONS Using IOT for monitoring solar plant guides the user in analysis of renewable energy usage. The monitoring values obtained are also helpful for predicting future values of parameters considered. This will help for future decision making process for large scale power plant. REFERENCES [1] Purusothaman S.R.R. and Dhiwaakar et al., 2013 “Implementation of Arduino based multi-agent system for rural Indian micro-grids ”IEEE Innovativesmartgrid technologies Asia. IEEE2013. [2] Jiju K. et. al. 2014“Development of android based online monitoring and control system for renewable energy sources.” Computer communications and control technology (I4CT), International conference on IEEE2014 [3] Kabalci, Ersan, Gorgun A. amd Kabalci Y.,2013 “Design and implementation of renewable energy monitoring system.”Power engineering, energyandelectrical drives (powering), fourth international conference on IEEE2013