Hello ,
i am using uc3854bn for my circuit with a load of 25kw for making 700v bus using 3 phase supply. but when no load is connected vsense of above 3v also the voltage is not regulating what may be the reason, plz help . any one have worked please help
regards
rakesh
Rakesh,
If the sensed voltage is above 3 volts the unit thinks the output is in an overvoltage conditions and should be shut down.
John
John Bottrill
John,
The system is not shutting down at no load what may be the reason?