producing 400VDC

[acdc]

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 lead bataries


ACDC

[Ante]

New post, same content! What’s wrong with the first one?

[acdc]

Ante! nobody seems to answer my question