1. Soham Adhya, CEGESS, IIEST,ShibpurCIEC’16,Dept. of Applied Physics,CU
An IoT Based Smart Solar Photovoltaic Remote
Monitoring and Control Unit
Soham Adhya, Dipak Saha, Abhijit Das, Joydip Jana,
Hiranmay Saha
Centre of Excellence for Green Energy and Sensor Systems
Indian Institute of Engineering Science & Technology (IIEST)
Shibpur, Howrah
2nd International Conference on Control , Instrumentation , Energy &
Communication
January 28 – January 30 ,2016 @ Department of Applied Physics,
University of Calcutta

2. Soham Adhya, CEGESS, IIEST,ShibpurCIEC’16,Dept. of Applied Physics,CU
Overview
1 • Introduction
2 • Solar PV Plant
3 • Monitoring goals of a Solar Power Plant
4 • Parameters of a Solar Power Plant
5 • Application of IoT for PV Monitoring and Control
6 • Conclusion
7 • Future work
8 • Acknowledgement
9 • References

3. Soham Adhya, CEGESS, IIEST,ShibpurCIEC’16,Dept. of Applied Physics,CU
Introduction
Renewable energy source is a practical solution to address the persistent
demand supply gap in the power industry.
Due to the availability of solar energy across the country unlike other
renewable sources which have geographic limitation ,Solar Photovoltaic among
all renewable sources is proving to be most beneficial.
Application of IoT is proving to be beneficial for monitoring power
generation from renewable energy sources.
India is blessed with abundance of solar radiation that attracts massive solar
photovoltaic power plant installation.

4. Soham Adhya, CEGESS, IIEST,ShibpurCIEC’16,Dept. of Applied Physics,CU
Solar Power Plant
•PV modules
•Junction box
•Fuses box
•Wiring
•Inverter
•MPPT
•Temperature sensor
•Reference solar cell
•Pyranometer
Components of grid connected photovoltaic systems

5. Soham Adhya, CEGESS, IIEST,ShibpurCIEC’16,Dept. of Applied Physics,CU
Monitoring goals of a Solar Power Plant
Diagnose performance issues in the PV array or, inverter i.e.,
soiling, incorrect alignment etc.
 Optimize solar farm operations and maintenance, mainly panel
cleaning schedule;
 Evaluate selection of equipment and installation such as performance
compared to name plate ratings;
Evaluate long-term system reliability i.e., long-term reliability and
performance, inverter failure rate etc.
Evaluate solar power plant design, basically actual solar farm
performance compared to expected

6. Soham Adhya, CEGESS, IIEST,ShibpurCIEC’16,Dept. of Applied Physics,CU
Photovoltaic Panel
•String Voltage and String Current
•Junction Voltage and Junction Current
•Power and Energy
Wind
•Wind Speed
•Wind Direction
Solar Radiation
•Global Horizontal Irradiance
•Global Tilted Irradiance
•Diffused Irradiance
•Direct Normal Irradiance
Hybrid Inverter
•Inverter Output Voltage ,Current & Frequency
•Grid Input Voltage ,Current & Frequency
•Inverter Output Power and Energy
Battery
•Battery Voltage
•Battery Current
•Battery State of Charge
Temperature
•Ambient Temperature
•Battery Temperature
•Back Panel Temperature

7. Soham Adhya, CEGESS, IIEST,ShibpurCIEC’16,Dept. of Applied Physics,CU
 Internet of Things (IoT)
 The Internet of Things (IoT) is the network of
physical objects or "things" embedded with
electronics, software, sensors, and network
connectivity, which enables these objects to
collect and exchange data.
Relates users and their smart devices along with
sensors used in every day actions e.g., Smart
phones and wearable devices) .
 IoT is expected to greatly
transform the energy
sector by improving the
Consumer side-Generation
side relationship.
Background of the Internet of Things

8. Soham Adhya, CEGESS, IIEST,ShibpurCIEC’16,Dept. of Applied Physics,CU
Application of IoT for Solar Power
Monitoring and Control
The internet of things has been considered the third revolution in the
digital technology after the computer and the internet
•IoT utilizes computing facilities and software systems for
information processing and knowledge digging.
•Using IoT Human to Machine and Machine to Machine
information exchange and seamless linkage of information
flows can be achieved.
•Using IoT real-time control ,accurate management and
intelligent decision-making of the physical world can be made.

9. Soham Adhya, CEGESS, IIEST,ShibpurCIEC’16,Dept. of Applied Physics,CU
Electrical Parameters Environmental Parameters
Solar Power Plant
Sensor Network
Internet Database
Plant Monitoring Maintenance Data Analytics Historical Data Analysis
Fault Monitoring Inspection Scheduling Generation Monitoring Decision Making
Application Layer
Network Layer
Sensing Layer

10. Soham Adhya, CEGESS, IIEST,ShibpurCIEC’16,Dept. of Applied Physics,CU
Architecture of the IoT
Linking physical and virtual things

11. Soham Adhya, CEGESS, IIEST,ShibpurCIEC’16,Dept. of Applied Physics,CU
Envisioned Smart Solar Web Based Monitoring and Control

12. Soham Adhya, CEGESS, IIEST,ShibpurCIEC’16,Dept. of Applied Physics,CU
Conclusions
 IoT based remote monitoring will ensure comfortable plant monitoring
• Display of Yield , Power , earnings
• Status messages via email to PC and mobile phone
 It is an ideal solution to increase efficiency of plant monitoring
• Presentation of PV generation , consumption and self
consumption
• Recommended consumption
• Automatic and intelligent control of loads
• Visualization of Live Data

13. Soham Adhya, CEGESS, IIEST,ShibpurCIEC’16,Dept. of Applied Physics,CU
Acknowledgement
The research project is supported by Ministry of New and
Renewable Energy ,Govt. of India.

14. Soham Adhya, CEGESS, IIEST,ShibpurCIEC’16,Dept. of Applied Physics,CU
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15. Soham Adhya, CEGESS, IIEST,ShibpurCIEC’16,Dept. of Applied Physics,CU
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