I am interested to do an project to generate 3 phase ac mains on a ship on board there are two dc generators dc 220 volts and battery's an old tow boat from russia siemens makes power bridge's igbt 10 to 50 amps 600 volts i saw a design with 80553 pwm to control this bridge did any body do research on this which pic could do the job the bridge contains rectifier and 6 igbt transistors so one needs 6 pwm out puts Marcel marbel@xs4all.nl Amsterdam