Questions tagged [solar]
The solar tag has no usage guidance.
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Are two solars panels more efficient than only one of twice the power output?
Is there any advantage to use two 50 W solar panels in parallels instead of one 100 W panel?
As we know, the effect of partial shadow on a solar panel can make the whole panel ineffective. We want to ...
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Pump capacity calculation
I have a borewell dug in my farm and the depth of the borewell is around 195 feet. I have applied for a Solar pump subsidy and I am about to get the equipment with following details:
4.7kW solar ...
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Solar panel locaiton with plex-earth and virtocad
I need to use Plex-Earth and VirtoCad to solve a solar panel positioning problem. I am on BricsCad.
I have a kml for a boundary area.
How can I, using these softwares, get the following groudn mount ...
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What is the efficiency of Solar energy run turbines? Are they better or worse than Solar PV cells?
The Solar PV cell has an efficiency of 25-40%.
Now steam turbines run by coal or some other fuel have an efficiency of approximately 60-80%
What is the efficiency of steam turbines run by Solar energy?...
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Can I be mostly dependent on solar and batteries? [closed]
Plan A:
Ask your neighbors to give you permission to install solar panels on their roofs (ofcourse you can manipulate them into saying yes by giving them money once off )
So Ask your neighbors to give ...
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Can we create electricity through an hourglass?
So imagine this, an hourglass that is the size of a two storey house in height but is wide as an average sedan car that can trickle sand for 5 hours, and at the middle there's a gear which is turned ...
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Does a load on a charging solar system degrade the battery if the panels are producing more current than the load?
Let's say I have 1000 W worth of solar panels hooked to a 2 kWh battery system like the Anker 767. Let's also say that the panels are running at full clip and I have a 900 W load on the system.
Does ...
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Would this large scale "bubble pump" actually work?
I have read about bubble pumps which work by heating water causing a phase change, the water passes through a one way valve and condenses thus pumping water.
Would this work at a larger scale as in my ...
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Why isn't heatpump technology used for solar collector panels and boiler tanks?
All solar collector and boiler tank systems that I can find on the market use a liquid to circulate the heat between solar collector panels (or PVT panels) and boiler tanks. Is there a reason why they ...
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36V solar panel with a 12V battery, results in 12 watts a day?
So I bought a retired 175W solar panel 36.8V rated voltage, 4.9A rated amps. I hooked it up to a solar charge controller and a 12V battery. Normally the controller doesn't work cos the PV voltage is ...
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interior-mounted adhesive window films that reflect solar heat
Does a solar-heat-reflective film when adhered to the interior of a double-pane gas-filled skylight raise the temperature of the glass and, if so, does it increase it to such an extent that the glass ...
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A shape that focuses light from the widest range of incidence angles into a smaller area
I remember reading about devices which were roughly hyperboloid in shape that had the property of focusing light from a much wider range of incidence angles than a parabollic antenna. I think they ...
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Motor to rotate gear and hold place when powered down
I have an application where I need to rotate a solar panel on a moving cart around 2 axes. The solar panel is medium size (22x25in) and is only 50 watts. I plan to use an actuator to rotate the ...
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Best metal for solar energy collection in an evacuated tube solar water heater
I am building an evacuated tube array for a solar water heater and I am selecting the materials to use for the tubing and the collectors (the places connected to the tubing that help absorb the solar ...
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How large would a solar panel array need to be in order to supply all the world's energy?
This story from 2016 claims that all the world's energy needs could be supplied by covering 1% of the Sahara in solar PV panels.
Was (is?) this true, and if not, how would you go about approximating ...
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Mirror specification used in Solar Fresnel Collector systems
Im designing a Linear Fresnel collector system, and wanted to know what type of mirrors would be suitable for use as the reflectors. Thickness, type, coating etc. I couldnt find a manufacturer of ''...
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Combining solar water heating with pellet stove water heater
I am looking to combine a pellet stove water heater with a solar water heater.
First of all I wold like to apologise for the ugly drawing, though I think it represents my idea well enough.
The whole ...
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What does TIR stand for in Window Pane Fenestration?
When looking at glazings within various public databases I see the fields "tir" shown often. E.g as seen below:
...
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What happens if you wire two solar panels in series and parallel at the same time?
Will anything bad happen?
Or is it safe.
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What glue would be suitable for adhering a space blanket to Plywood?
I've been doing a hobby project, creating a parabolic solar reflector to heat up a pipe of flowing water.
I did this by cutting a stack of parabolas with a CNC router and secured a thin piece of ...
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Joining the negative PV wires of 3 solar arrays for 3 MPPT controllers in an inverter?
My Inverter has 3 MPPT inputs. For some design simplifications (Involving ATS), i would like the three arrays to have separate PV+ but join the PV- wires together at a bus-bar and take the Inverter ...
