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Bifilar wound
motors means that there are two identical sets of windings
on each stator pole. This type of winding configuration
simplifies operation in that transferring current from one
coil to another one, wound in the opposite direction, will
reverse the rotation of the motor shaft. Whereas, in a
unifilar application, to change direction requires reversing
the current in the same winding.
The most common wiring
configuration for bifilar wound stepping motors is 8 leads
because they offer the flexibility of either a Series or
parallel connection. There are however, many 6 lead stepping
motors available for Series connection applications. |
