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BrianG · 06.22.2007, 05:48 PM

Once you sit down and think about it, it kinda makes sense that a Y runs more efficiently. Consider the delta "diagram" below:

Code:

     3
     /\
    /  \
   A    B
  /      \
 /        \
1____C_____2

Points 1, 2 , 3 are where the motor wires go. Points A, B, C are the coils. If you apply power to points 3 and 1, the majority of the current will go through coil A, but some will also go through coils B and C. The current through B and C will be less since those coils are effectively in series. Just think of coil A in parallel with coils B and C in series. So, even though coil A is supposed to be the only one energized, coils B and C will be also and will provide some resistance.

This is how I see it anyway, so please correct me if I am wrong.

	(#109)
BrianG RC-Monster Admin Offline Posts: 14,609 Join Date: Nov 2005 Location: Des Moines, IA	06.22.2007, 05:48 PM Once you sit down and think about it, it kinda makes sense that a Y runs more efficiently. Consider the delta "diagram" below: Code: 3 /\ / \ A B / \ / \ 1____C_____2 Points 1, 2 , 3 are where the motor wires go. Points A, B, C are the coils. If you apply power to points 3 and 1, the majority of the current will go through coil A, but some will also go through coils B and C. The current through B and C will be less since those coils are effectively in series. Just think of coil A in parallel with coils B and C in series. So, even though coil A is supposed to be the only one energized, coils B and C will be also and will provide some resistance. This is how I see it anyway, so please correct me if I am wrong.