Make your own Photovoltaic Off-Grid System
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Is your inverter pure sine or modified sine wave?
Could you give any advice to choose an inverter?
I have a small fridge (110W) and power tools as circular saw, grinder, . (2000W) that I would like to run on 220V. But I'm not sure if I should get a pure sine or modified sine wave.
I would like to also be able to weld (arc welding) if possible. (inverter arc welder.
I know induction motor like on the fridge needs pure sine wave.
But I think it's a shame to buy a big pure sine inverter to run power tools with universal motor or an inverter arc welder that will rectify the AC220V 50Hz before using it to weld!
I was thinking to get a small pure sine inverter for the fridge and something else for the tools: either modified sine inverter or even a kind of boost high power 24dc/220Vac converter at high frequency. But will universal motor accept any kind of AC220 voltage/ frequency?
Date: 2020-09-05
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Comments and reviews: 9
Pericles
Just saw your video and I had a question that you might be able to answer. I have a robot car that has a solar panel to charge the battery. The problem is that you can either have the solar panel on the battery to charge or the robot to move but not both at the same time. Is there a way to have the robot move while the solar panel charges the battery?
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Just saw your video and I had a question that you might be able to answer. I have a robot car that has a solar panel to charge the battery. The problem is that you can either have the solar panel on the battery to charge or the robot to move but not both at the same time. Is there a way to have the robot move while the solar panel charges the battery?
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richardnanis
Not the best idea to glue the solar panels directly to the garage roof! There will be no air ventilation to cool the panels so the efficiency and lifetime of the panels will drop significantly in hot summer time. PV-panels can reach more than 80 deg. centigrade in this case! Let at least 10 - 15 cm air space between the panel and roof!
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Not the best idea to glue the solar panels directly to the garage roof! There will be no air ventilation to cool the panels so the efficiency and lifetime of the panels will drop significantly in hot summer time. PV-panels can reach more than 80 deg. centigrade in this case! Let at least 10 - 15 cm air space between the panel and roof!
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FF
Who uses bitumen to seal the panel. It will greatly reduce the efficiency of the panel as the heat will be trapped under the panel and because of no inclination, the panel won't get direct rays of sunlight
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Who uses bitumen to seal the panel. It will greatly reduce the efficiency of the panel as the heat will be trapped under the panel and because of no inclination, the panel won't get direct rays of sunlight
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vinayak
It would have been great had you shown the choice of solar panel capacity, battery requirement, inverter requirement and soar charge controller. Other than that it's a good video
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It would have been great had you shown the choice of solar panel capacity, battery requirement, inverter requirement and soar charge controller. Other than that it's a good video
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brucemangy
wouldn't have been wiser to install the solar panel another way? they need cooling to be more efficient, letting the air flow below the panel would have helped, no?
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wouldn't have been wiser to install the solar panel another way? they need cooling to be more efficient, letting the air flow below the panel would have helped, no?
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Niels
Is there any protection between the solar panel and the charge controller (some kind of fuse or something, or is it directly connected to each other?
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Is there any protection between the solar panel and the charge controller (some kind of fuse or something, or is it directly connected to each other?
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Purple
seems like i'm asking a lot but could you send me over one of those big blue switches? i really want one, and do not have those on the coast.
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seems like i'm asking a lot but could you send me over one of those big blue switches? i really want one, and do not have those on the coast.
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Matthias
Hey Great Scott, you living in East Germany? The Old Switch and the electrician Installation in your Garage is typical from the GDR.
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Hey Great Scott, you living in East Germany? The Old Switch and the electrician Installation in your Garage is typical from the GDR.
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You
Hi Scott, could you be so friendly to tell us what the cost is of this project. Battery, inverter, . Keep up, the great work.
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Hi Scott, could you be so friendly to tell us what the cost is of this project. Battery, inverter, . Keep up, the great work.
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