Hello everyone I looking to design a inverter for my home so i thought instead of doing one new circuit is it possible to use my systems ups and changing battery as per my requirement???? Is it possible.....
When you can get an inverter, off the self cheaply, you want to design it, that too with inputs from CR4 members. A designer should know, what is possible/impossible for him. Good luck, lots of it, to you.
They are 'as cheap as chips' to buy these days, and come with a manufacturer's warranty. So why bother <rhetorical question - NNTR>?
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Yes, it is possible, but you will be limited by the output rating of your UPS, however most of them can power a couple lightbulbs and a TV set. I've done that in emergency situations.
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There is a reason that inverter and UPS manufacturers don't give out schematics or repair information. They want to avoid liability in the case that you fry yourself working on high voltages and currents. The same can be said for DIY inverter projects. Few people are willing to publish schematics for circuits that are intrinsically dangerous and more so for the newbie or inexperienced.
While it sounds like a cool project, you are not likely to save any money by building your own. Given the safety concerns I strongly suggest that you find a low power project instead and buy a commercially available (and preferably UL listed) inverter.
I think proper design requires lot more than just picking few parts and hitting at the right solution. Inverter manufacturers have many years of experience in transformer design, driver interface design and MOSFET / IGBT protection.
Any start up will end up wasting funds equal to 10 inverters and almost several months before having anything that can be called working.
Copy cat just will not work unless you have supper luck.
This does not mean that i am discouraging anyone from experimenting. However this type of experiments are good only if you are developing technology for large number of production line for your future or for someone who can pay you for all that and more.
If you love frustrations as part of the game then just do it yourself.
Critically Inverter uses highly specialized knowledge of some very experienced engineer or a team of engineers and then it moves into hands of very ordinary technicians for proper volume production at lowest price. This is not as simple as making an adopter or charger for your mobile.
Buy one inverter and open it and see inside and then you can easily get confused by looking at so many parts. In theory inverter is just a battery and a power oscillator of desired frequency, voltage and output power. If you can make that oscillator then you can also make an inverter.
Most of the CFL circuits are inverter circuits and very cheap. They convert AC to DC and DC to high frequency AC again and they work on DC as well as AC at input. Larger inverters are of lower frequency 50Hz/60Hz.
I think technical education is required for such industrial experience and if there is some kind of professional training available then it can be of great help. Manufacturers of MOSFET and IGBT sometime provide design kits and these can be good to start with.
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Prof. (Dr.) Shyam, Managing Director for Sensors Technology Private Limited. Gwalior, MP474001, India.
Inverter for My Home
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