HELPING THE OTHERS REALIZE THE ADVANTAGES OF VFD CONTROL PANEL

But, if we decrease the frequency to 30Hz, then we must also reduce the voltage to 240V in an effort to maintain the V/Hz ratio. How are we going to decrease the voltage if the one voltage We now have is 650VDC?  The panels surface area are coating spray by suppliers, and simple to put in in parallel, the panel best configure bus and wiring the VF