-Is your electrical network is well balanced ?
Balance before start we well check electrical
-Do you turn off the drives between 2 campaigns ?
turn off drives and send drive check and reparie at ABB thailand.
-Do you damage the 17 inverter bridges at the same time ? or they break one by one?
not same time
-Before to restart the drives for the next campaign, do you make a full cleaning inside the drives cabinet ?
Before start we big cleaning all cabinet