Wind-Solar Hybrid Power Generation Model ~ testblog2

Sunday 5 May 2013

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).

Abstract:

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.

The details of the Charger Circuit provided in another post.Please go through it.Link is here-6V, 5Ah Lead-Acid battery Charger Circuit

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