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SunEdison is the best solar company in India that offers distributes solar energy across residential, commercial/industrial, rural segments and other emerging technologies. Choosing solar energy for your home ensures the reduction of emission of greenhouse gases, a significant lowering of your monthly electricity bills and a greater ROI of 25-30%. With easy EMI options, earn up to Rs.30,000 per year for every lakh you invest in our solar panels!

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We provide India’s best rooftop solar power system for residences and apartments. Convert your rooftop into a solar power plant with no fuel cost and very little maintenance lasting 25+ years,

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I am an IIT student. We are studying regarding the smarter energy solutions. I see some two-wheeler vehicals available in market running on battery. We are interested in the vehicals who has battery 48V and 3A and battery type is SLA 48V/20 AH. If we want to charge this vehical completely in 5-6 hours using solar panels, what would be the cost and in what size solar panels will be required? Consider overall environment conditions of india. Give me as much details as possible so I can understand easily. Thank you.

  • Nilang asked 8 years ago
  • last active 6 months ago
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sir, I am looking for a solar system so that we can use the solar energy & avoid the heating of top floor of home.

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My current solar system for home:
1. 12V 100W polycrystalline Solar Panel.
2. 12V 75Ah Lead Acid solar tubular Battery.
3. PWM 12V 10A Solar Charge Controller.
4. 12V Input and 200VA Output Inverter.

Current Problem:
Battery not getting charged fully daily because solar panel is getting around 3-4hours sunlight and that too includes sunlight at non-90 degree conditions.

So, I want to add an additional solar panel[preferably 200W or more] which will get 90 degree sunlight from 1pm to 5pm. Also, we get around 50 minutes of on grid supply. During this time inverter charges the battery too.

My questions as per my whole day research:

  1. If I add a 24V 200+W solar panel, I have to connect the panels in series because
    parallel means same voltage but ampere gets added.
    series means same ampere but voltage gets added.
    In this cases what changes are needed to charge the 12V battery?
    I guess someone will suggest MPPT controller. What is the best controller available in India? budget max6000INR

  2. To avoid huge costs and hastle for the above requirement if I go with 12V 150W panel, then I will just need to connect my 12V 10A with a new 12V 20A controller in parallel to draw 8.6+12.5A=22A approx. current from solar panels.Am I correct here?

  3. During a hot and shiny summer how much watts does a 100W panel produce in 90 degree sun conditions? What is the worst output that I will get in rainy season?

  4. While charging battery from the inverter during grid supply, I see the inverter shows around 6A-9A current supply to the battery. Is it the current only that counts how fast the battery goings to be charged. Does change in voltage play any role?

  5. I want to pull as much current as possible from grid and put it to my battery during that 50min time. What device will let me do so? Logically to charge a 12V 75Ah battery from 0-100 we will need something that putts 900W of power into the battery in an hour.
    900/12=70A approx. How much Ampere is safe for longetivity of battery?

P.S: In any circumstances safety and device efficiency is my priority.Please excuse any non-sensical thing if I mentioned above.

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I have Sukam Falcon Plus 12v Inverter and normal 150Ah SuKam Bazooka Tubular battery.

I wish to install 500Wh Solar panel.

In online, found solar panels with 100W, 250W, 360W and 12V, 24V, 48V.

My question is , can I connect any solar panel to my Inverter? Will sukam falcon plus has any restriction on that?

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Solar Module Analyzer or Solar Module Analyzers instrument is designed to measure Solar Power in the range from 400 to 1100 nanometers. The good Spectral Range, Orientation and Angular detection of meter allow users to conduct the most precise quantitative measurements of Solar Power Radiation. The Test and Measuring Instruments is High Accuracy for Insulation Measurement and for AC Voltage Measurement.


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Need solar panel to attach with my current (12 volt) Sukam sinewave inverter.

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i am planning to install a on grid system with a capacity of 2kw for my home with monthly consumption of 350 watts average. how many panels i need, what are the items needed with capacity spec. what would be approx cost ? what is the warranty period for the panels and other parts? Any AMC is there ?


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How to Install and Maintain Solar Panels?

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