Hello ,
I was looking into current density analysis of a PCB that handles distribution of AC power . from ansys and cadence sites , i realized by current density they refer to DC IR drop that is a pure ohmic analysis that doesn't take into consideration the AC effects . And in order to take this into consideration , we need to go to AC impedance analysis and obtain EM losses . But I observed this kind of analysis was done for high frequency AC circuits for decoupling cap suggestions etc .
So i was curious to know how much the current density behavior will deviate from DC for a low frequency like 50-60Hz ? as for such frequencies the skin depths are much greater than trace width and thickness
I was looking into current density analysis of a PCB that handles distribution of AC power . from ansys and cadence sites , i realized by current density they refer to DC IR drop that is a pure ohmic analysis that doesn't take into consideration the AC effects . And in order to take this into consideration , we need to go to AC impedance analysis and obtain EM losses . But I observed this kind of analysis was done for high frequency AC circuits for decoupling cap suggestions etc .
So i was curious to know how much the current density behavior will deviate from DC for a low frequency like 50-60Hz ? as for such frequencies the skin depths are much greater than trace width and thickness
