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What is a Vector Drive? 18

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kingjoey

Electrical
Joined
May 13, 2004
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I am very much confused on how a vector drive works. I cannot get a clear explaination from anyone on how a vector drive controls an AC induction motor. Can anyone help?
Thanks,
joey
 
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All vector drive technologies have these basic and common tenets:
1. The current in an AC Motor can be separated into two distinct components: Id, the fluxproducing current, and Iq, the torque-producing current.
2. The total current is the vector sum of those two components.
3. Torque produced is based on a "cross product" of the vectors.
4. The level to which these components are identified and controlled defines the level of performance.
 
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