Photovoltaic system (Photo credit: Wikipedia)
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English: A barn and wind turbines in rural Illinois Deutsch: Eine Scheune und Windturbinen im ländlichen Illinois Français : Une Grange et des éoliennes dans la campagne de l’Illinois Português: Um celeiro e turbinas de vento na Illinois rural. (Photo credit: Wikipedia)
Farmers storing maize (Photo credit: IITA Image Library)
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English: GVEP International (Photo credit: Wikipedia)
Rural life is hard work (Photo credit: danboarder)
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English: A barn and wind turbines in rural Illinois Deutsch: Eine Scheune und Windturbinen im ländlichen Illinois Français : Une Grange et des éoliennes dans la campagne de l’Illinois Português: Um celeiro e turbinas de vento na Illinois rural. (Photo credit: Wikipedia)
All the elements of this painting were included to reflect Cooperative Extension’s vision for 20th century farming – mechanized farming, crop diversification and rural electrification. (Photo credit: Wikipedia)
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Is your FARM DISCONNECTED from the grid? Would you like to have ELECTRICITY with RENEWABLE ENERGY? WIND POWER can be your solution! What Small Wind Turbines are? A wind turbine converts wind energy into electricity. The kinetic energy of the wind is captured through the windmill blades and transferred to a rotor normally connected to a …
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Are you a FARMER growing CEREALS? Is your FARM electrical OFF-GRID? How to AERATE your GRAIN in the silo with SOLAR PV? Conservation of the Grain. The grains continue to live in the silo, after harvest. Like any living organism, the grains breathe, gradually increasing the temperature inside the silo, especially if the humidity is high. …
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How can I take WINTER SUN and SUMMER SHADE? How LONG must be the HOOD? How can I do it myself on my FARM or RURAL building? (I recommend watching posts I and II of this series “Sun and Shadow” if you have not seen before). Example Latitude 55 ° According to this scheme, …
Is your RURAL home ISOLATED from the electric line? Small renewable energy are only profitable off-grid, as they have small size, need accumulation and can not be simultanousely from different sources.Do you doubt to connect your FARM to the MAINS? The electric line is more cost competitive in kWh per variety in the mix of …
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Do you want SHADE in summer at your COTTAGE? Do you prefer the SUN to warm your FARM in WINTER? Learn how to use SHADOWS! Large sloping hood … looking up! Install a large parasol, in the front of your farm or rural home that looks to the equator (South in the Northern Hemisphere, and Northward …
Are your SOLAR BATTERIES run out of electricity in your FARM?
Do you want to SAVE stationary batteries in your remote RURAL housing?
In this last post # 10, I summarize the different ways to save on electric accumulators of a photovoltaic or mini-wind system that I have explained in previous posts in this series:
1. – Solar Batteries are expensive.Stationary batteries are really necessary in any system isolated from the mains. Absolutely. But when the accumulation needs are high, investment in batteries is unsustainable. Therefore we must seek alternatives to supplement the storage of energy.
2. – Saving and Energy Efficiency.The cheapest electricity is which is not consumed. You should review what are the appliances, equipment, machinery, etc. reasonable to have or not in an isolated home. Once you have choosen the essential minimum, look to be efficient electrically, with very low consumption. Your battery will thank you.
3. – Fuel generatorA small diesel generator to complement a stationary battery bank can be the most realistic option to reduce the costs of investment in batteries. You just have to know how to manage the load periods to give more priority to renewable energy and spend a minimum of oil.
4. – Increase Photovoltaic or Wind capacityThe capacity of production (photovoltaic or small wind generation) is more important than storage capacity (storage batteries). If your budget is very restricted, it is better to prioritize the generation than accumulation.
5. – Micro-hydraulic closed circuitAn alternative energy storage systems of medium size is a closed loop of water. First step: the water is pumped by a Solar PV to a higher deposit. Second step: Water falls through a micro-hydraulic turbine to generate electricity to charge the batteries.
6. – Compressed airA mini wind power system can trigger an air compressor in a large air-storage tank. Electricity can be generated subsequently again with an air motor. There are few experiences, but is feasible in rural areas, plenty of space available.
7. – Hydrogen and Fuel CellsAn electrolysis in a rural area that can generate hydrogen from renewable energies is the first part of the system. The second part is a fuel cell fed with hydrogen and oxygen to generate electricity and steam. It may be the technology of the future, although currently still under development to lower costs.
8. – Sodium Accumulators?Low cost batteries with sodium salts may be in the future an inexpensive system of direct accumulation of electricity. Batteries are currently still very large working at high temperatures.
9. – Flywheel and other systemsA large heavy wheel at high speed can build up energy that can be transformed later into electricity. Also there are a variety of systems to store energy or electricity in development.
To conclude this series of posts dedicated to saving solar batteries I remember the following priorities:
A) Savings and energy efficiency in the isolated systems. Generate and accumulate the electricity itself is expensive, so spend what is really basic.
B) Find a good professional with experience in Solar PV in your area to help you correctly size the system and stationary batteries.
Dou you think you can save batteries with any of these solutions? What experience do you have? Thanks for posting your opinion!
Are you FARMER and need to accumulate renewable ELECTRICITY? Would you spend less on BATTERIES in your RURAL isolated home? Meet other options to accumulate power in this post # 9 of the series “Battery Saving”. Flywheel A heavy flywheel is first accelerated, then it keeps turning at high speed, and afterwards gives again energy to …
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Do you want to STORE ENERGY on your FARM? Don’t you want to spend too much on BATTERIES? Will HYDROGEN FUEL CELLS be the solution? Future technology for Rural areas I’ll say it clear. Hydrogen fuel cells are NOT currently a viable economic solution. But it will be in the future, when electrolysis and fuel cell technologies …
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Solar panel We can see some plate black panels on the roofs of the houses. People know they are renewable or alternative energies, but few know exactly how it works. The term solar panel is confusing and unprofessional, because there are actually two very different uses of the energy coming from the sun: Photovoltaic module -> Electricity There are …
Rural Renewable Energies conversation Once upon a time an environmentalist (Ellen) took a walk on the field with an idealist (Ivan) when they met at a realistic (Ruth) accompanied by a financier (Fran). Ellen (ecologist) .- What a beautiful day! Birds sing and the forest is green and fresh. Unfortunately we will destroy biodiversity with oil and …
