The company I work with installs ventilators driven by VFD's. To save on cost of EMC cabling we use load reactors at the VFD outputs. (Other considerations for not using EMC cabling have to do with certification issues, the ventilators are used for extracting smoke caused by burning cars). The overall mentality is: just install a load reactor at the output of the VFD, and all will be fine. I wonder if this reasoning isn't too simplistic. I can for instance imagine the reactance of the load reactor resonating with capacitances in the system, so it could still pass undesired frequencies.
So, in short, is just replacing EMC cabling by a load reactor justified?