Jul 5, 2011 #1 O opengski Newbie level 3 Joined Jun 15, 2011 Messages 3 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,308 Should our inverter driver(mcu, opamps,ir2112) have the same ground with our dc link(rail which is almost 450V)? our circuit is like what is in section 6(inverter section) of this pdf **broken link removed** now we don't know if the our DRIVER's ground should be connected to the ground of that dc link. thanks sorry the post of nadre25 was mistakenly marked as solved, thanks
Should our inverter driver(mcu, opamps,ir2112) have the same ground with our dc link(rail which is almost 450V)? our circuit is like what is in section 6(inverter section) of this pdf **broken link removed** now we don't know if the our DRIVER's ground should be connected to the ground of that dc link. thanks sorry the post of nadre25 was mistakenly marked as solved, thanks
Jul 5, 2011 #2 Prototyp_V1.0 Advanced Member level 2 Joined Apr 3, 2007 Messages 673 Helped 119 Reputation 238 Reaction score 83 Trophy points 1,308 Location Norway Activity points 5,103 The link you provided is invalid.