is it possible to use VSD as a power supply for the CNC machines ,
for example , i need to use ATV650D55N4 as a regulated power supply for a CNC machine type ehrt holecut 40-10 cnc , is it accepted ?
Are you think to use a VSD for a single phase to three phase converter?
In general, I would not recommend this approach. VSDs are quite complex devices, and generally expect certain things from their field systems (i.e. short circuits incredibly unlikely, thermal model equivalent to a large lump of steel, inductive loads).
If you are disconnecting loads suddenly (as would happen if a CNC machine is switching its own 240/415 power) the VSD will likely trip or produce unreliable voltages/frequencies.
A VSD is really a 'Variable Speed Drive', it's not intended for us as a power supply.
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