Why this Blog?

The purpose of creation of this new blog was to add all my work that will solely related to my DIY Solar and wind electricity generation system. I will also add here the adventure of my DIY micro-hydro turbine (PAT) unit that has been planned to be implemented in the beautiful Kalam valley. In the recent past i unintentionally got attraction toward the green energy and studied a lot about.

My last visit to Karachi home was the turning point to divert all my intentions and resources toward getting into hybrid solar+wind electricity system. The 12 hours shedding at Karachi was really a mental shock to me. The 2Hours alternate load shedding scheme was so pathetic that for three nights i had only 6 hours of sleep in total. The Starting/Stopping the generator (located at the third floor) was a real muscular exercise especially the last part of the night.

The ready made solution requires a handsome amount of money. Here i will post my DIY approach to get the job done considering the advantage of being low cost, worth of experience and as per my requirement and quality. I intend to work on both Solar and wind turbine simultaneously so that to give the relief to my family.

Lets see will i have success in this endeavor?



Friday, June 22, 2012

Solar Panel Sizing Basis

As i earlier mentioned that i shall install 1260 watt solar panels. Now its the time to show what were the basis of calculations. I have used a smart on-line solar panel system sizing calculator. The link is at the end of this post. Click on the photos to make them bigger.

Here is the stepwise sequence of load calculation activities:

STEP-1:  MONTHLY POWER CONSUMPTION CALCULATION


STEP-2: SOLAR PANEL SIZING
In this step we shall calculate the number of solar panels required based on the energy consumed by the electrical appliances in Step-1.

STEP-3: MPPT SOLAR CHARGER SIZING
I have already purchased 150DC, 45Amp charge controller.
STEP-4: BATTERY BANK SIZING
I have already purchased two batteries 12VDC 220AH.


Here is the link of online calculator:
http://www.sunsoglobal.com/calculator.html#


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