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Not UPS nor IPS
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There should be arrangement to convert dc to ac (main idea is to have an ac 230v output from a 12v lead acid battery). We will use vehicle battery for this project. The problem for traditionally available IPS are that has to be switched on that requires a lot of time to interrupt a computer. On the other hand UPS though can switch fast emough to prevent that interruption, can provide support to very small load for very short time. Now if we can make an inverter and place after a dc lead acid battery and then supply the load from this inverter while the battery being at the first place will be charged from the main through a combination of COMPARATOR and a Battery charger, then we dont have to think about the switching time as the load is supplied from the battery always. In short if we can design an IPS (output of 3kw) that doesnt require any switching time, this will be done! Yes I do admit this is very simple a theoritical solution than practically making it. Moreso there are lot many types of this kind of invertersare also available in market (though the price is pretty high). Our aim is to reduce the cost to a level where even a poor person can also afford it (except the battery of course. Coz the battery cost is almost same for all). May I get any help or idea for the schematic design? Thanx a lot. You may contact me at rezazillullah@yahoo.com or rzillullah@gmail.com.
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can you send me the circuit diagram ????????? 

 

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hi.............I am Engineering student & I want to make a project for summer.....ur  project is attractive, so plz send me the complete discription and  cct diagram of this.........thnks in anticipation..wating,,,,,,,,,,,plz mail to mudassir_lovely@yahoo.com,capricorn_ask4u@hotmail.com
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Dear Sir
          
          I'm intrested in ur project so kindly send me the details of ur project with circuit diagram.

                    regards
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For Good engineering projects

Visit

Elektor India
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snd me the ckt at

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