Wind-Solar Hybrid Power Generation Model

Here i'm going to share my final-year college project "Wind-solar hybrid power generation model" that i've built and completed recently. the very basic outline of this project (or you can say the abstract) is that -The combination of power output from solar PV module and wind mill is being stored and utilized thru' a battery for a stand-alone system. This model also can be used in a grid-tie system with help of a moderate PCU(Power Converting Unit).


Wind power generation and solar power generation are combined to make a WIND-SOLAR HYBRID POWER GENERATION SYSTEM. A 6v, 5Ah lead-acid battery is used to store solar power and charging is controlled by a charger circuit which has been discussed here. Power output of this hybrid system is 7 watts (9VDC, 0.77A DC) .

The Working Model

The working model of Wind-Solar hybrid power generation consists of a twin-turbine wind mill and a solar PV array(with two PV module). First i'm going to discuss about the Wind-mill.

Construction of Wind-Mill

  • Here, we used two PMDC (Permanent Magnet DC) motors to work as a generator.
  •  Both are same rated i.e. 12V, 0.75Amps, 2400 rpm .
  •  Two symmetrical 3-bladed set made of aluminum used as turbine blade.
  •  These two-turbine are connected in series so that output voltage is the result of the summation of these twin-turbine set.
  •  Height of the wind-mill stand is about 24 inches.
  •  Distance between the turbines is about 8 inches.
  •  Base of the wind-mill is 6x6 sq. inches
  •  Diameter of the turbine-holder is 1.25 inches.

Twin-turbine Wind-Mill

Twin-Turbine Wind-Mill at Working condition

--powering a 6V LED Circuit

Voc of each turbine displaying on multimeter

Voc Testing of the turbine

Solar Power Generation

  • Here comes the next part : solar power. for solar power generation we used two 6V, 3Watts PV module.
  • Connect them in series to get 12V DC output.
  • Output of these two module will then feed to a 6V,5Ah lead-acid battery via a charger circuit.
  • In this image you can see two solar PV module connected in series whose output are send to the charger circuit and the output of the charger circuit is connected to a 6V, 5Ah lead-acid battery.

Output of the Charger Circuit

  The Whole system:

  • Ouput of The lead-acid battery(which is charged by the solar array) is connected in series with the Wid-mill.
  • output of this hybrid system is powering up a 6V LED lighting system.

Output of the Lead-Acid Batt.

Working Charger Circuit

The Lead-Acid Batt.

The 6V LED lightng board

Wind-Solar Hybrid Power Generation Model

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About the Author

Amrit Mandal is a final year (EE) Student, Admin of this blog. He likes to work in the renewable energy field-specially in solar energy field.
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  1. nice work!!

  2. these wind power & solar power provide the most efficient alternative source of energy today. working on this, is really appreciable!

  3. It' already their on internet. so whats new in these

    1. dear Anonymous, this post is not about creating new technology like the arc reactor of Iron man movie, this is an application of an idea which can help the consumers utilize the renewable energy in a better way.

    2. Rightly said!! dont take it wrongly. i made this post to display my work.that's it. and in the internet there are the only paper work available, not actual model in this idea.

  4. We use many kind of power. Such as solar energy.,solar power panel, wind power etc. Our main target to get power for use. I think solar power is very useful.

    Dear Amrit Mandal thank you for your project.

    1. Thank you Renata voline for your reply.

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  11. great job,solar power batteries are becoming increasingly popular as the world begins to take notice of the burgeoning
    carbon emission problems that come with burning fossil fuels.

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  13. Thanks for sharing your project. Most people choose solar panels or residential wind turbines based on their location. The combination of both equipments will help many people in generating and using green energy regardless of their location.

  14. This model also can be used in a power gen car charger 2a grid-tie system with help of a moderate PCU(Power Converting Unit).

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  18. How much money did you spend on the whole project including R&D? Please reply. And what is the minimum amount of time, a novice could do this?

  19. This comment has been removed by the author.

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About the Author

Amrit Mandal-Electrical Engineer(B.Tech), & solar Energy Professional-Admin of this blog. He likes to work, research and developing new tech. & business model for solar energy. Contact him at