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    producing 400VDC

    Hello, Could any one tell me how t o produce  5 A 400V DC? to power up an old Emersone 3.5KV UPS in black out time  is it possible to rewing 950W generator to produce 400V DC or is there any other way to get the desired voltage? all the nbataries in the UPS are dead  30 pcs of  13.5V sealed...
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    Inverter Generator

    I bought a ups (Emerson AP203) from a junk yard its 2.5KV Online UPS it’s a nice peace of work. UPS works fine except the batteries are dead 12V 6ah 30 pcs Batteries in series connection that supply a DC of more than 370V its labeled caution 410V DC. I gave it a test run by plugging it  and for...
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    Inverter

    Hello Guyz, i am haveing lots of troules with the power company its always out so i plan to build an Inverter i bought one 500W inverter japanese made with 2 IRFP054 MOSFET but 500W is not enough for me so im planing to increase the MOSFET  to 8 total 4 each side ther are lot of space in the...
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