Two Speed Motor
Two Speed Motor
(OP)
Is it possible to use a vfd on a two speed motor? Can the motor be rewound or wired different to allow this.
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RE: Two Speed Motor
In theory, if you have a two speed motor with two completely seperate windings, there is no reason that I can think that a vfd couldnt be used.
But I am not entirely sure about a motor with tapped windings.....I think that, as long as your vfd output voltage tallied up with the motor, that you should be able to run the motor OK..but,dont forget that, if you do try it, kaap tabs on the current draw, and make sure that you dont try to run the motor way too slow, as there will be little or no cooling effect!!
Jeff
www.motors-direct.co.uk
RE: Two Speed Motor
"Venditori de oleum-vipera non vigere excordis populi"
RE: Two Speed Motor
RE: Two Speed Motor
RE: Two Speed Motor
likewise, there isnt a way that the old machine couldnt be used for VFD's..
1.) If the motor is a dual winding dual speed, vfd is applicable.
2.) If the motor is a tapped winding dual speed, vfd is also applicable. This is used mostly in batching plant for agitation and mixing purposes.
it is noteworthy, that you must take all the neccesary data from the motor to match with your VFD like; voltage, current, rpm, frequency, etc. By using dual speed application of the machine, all VFD's have preset speeds ranging from 1 to 6 preset speeds.
RE: Two Speed Motor