Inverter input volt is 12 and the output volt is 230/240v. It will be the Modified Square Wave. When the current arrives, the battery will be charge by 10,15,20 as i wish to set. Current and voltages can be controlled. Overload protection, low battery protection, thank youYour request has absolutely no important details.
You forgot to say the input and output voltages and maximum output current. My solar garden lights use a 1.2V AAA battery cell to drive an inverter that produces about 3V at 5mA to light a white LED. Do you want an output higher than 3V at 5mA?
What input battery voltage will you use?
You also forgot to say if the waveform must be a sinewave or if a modified sinewave or a squarewave is acceptable.
Electricity in your home is a 50Hz or 60Hz sinewave.
My solar garden lights produce a squarewave at about 80kHz. What frequency do you want?
What output do you want to control? The output voltage? Usually an inverter must have a regulated output voltage like 120VAC or 240VAC.
The panic-level fear of shocks is not appropriate because it is simple enough to be adequately careful to avoid all shock problems. The safety regulations promoted to protect drunks bent on self destruction is way extreme. It is fundamental that an individual is the one responsible for the results of their actions. Working on any circuit, including 3 volt logic, always requires focus, attention, and understanding of what one is working with. Fear is not a suitable part of the situation. Understanding of what one is doing is always the needed element. That holds true in all situations.My opinion is that if you have to ask for a circuit, this project is well above your capability. And you would be dealing with deadly power levels. As you do not appear to know what you are doing, it would be quite dangerous and irresponsible for you to proceed. And I
am sure you can buy one ready made cheaper than you can build one of any quality anyway.
Certainly the initial question seems rather "novice", and certainly a whole lot of details were missing, and it is indeed true that a good amount of caution is in order for working with the higher secondary voltages of an inverter of this kind. But the comments came across to me as being fear mongering. My very first experimenting with electrical circuits was with mains powered industrial surplus relays, all open 120 volt wiring. The caution was to always unplug it before working on it and hat worked well. I was almost ten years old at the time, and while other kids were breaking their toys I was building electrical things and noise makers. Not very practical but quite entertaining for a kid. And did not get zapped.I do not intend to dwell on "fear". But this project is not one for a novice to attempt. Start with something easier, and safer.
High voltage generation of sufficient power levels to be deadly requires care and the builder needs to be very aware that they are dealing with a dangerous device. I do not see a very large difference between something that can generate lethal voltages from a low voltage input and others directly connected to the mains. Direct mains connected devices are blocked in discussion on this site, and I think for good reason. Similarly, I feel it is my duty to advise novices against attempting to build something that can easily kill themselves, or some other folk.
The TS's question sounds novice to me. That is why my answer is as above. To do otherwise I think is shirking my responsibility.
But, if they can build it successfully, without injury, then, good on 'em!
Even those of us who have been around electronics for many years need to keep that advice in mind. I know I've picked a lot of "bad" habits over the years working almost exclusively with 5V and lower logic systems, and occasionally 28VDC power supplies, and have to consciously think about where to rest my free hand when working with potentially lethal voltages.But I still need to stress caution to novices. There are quite a few very dangerous practices done by those with no clue. Like a guy here some years ago who ran a 240V active wire around his fish pond to keep stray cats away. I think he ended up killing a child.
Stupid things do happen.
I did see that nobody posted the design that was requested, although I did give the name of a website that has such circuits. But it was only a site name, not a link to the specific drawing. I believe, based on the first response from the TS that they were rather disappointed that such a design was not immediately provided. Of course, the one question that I posted was not really answered, either.Annnnddd the TS last posted a week ago and 14 posts ago. I think we’ve either scared him away or convinced him that we’re useless!
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