Re: The recoil of a dc motor at start-up
- From: "John C. Polasek" <jpolasek@xxxxxxxxxx>
- Date: Sat, 18 Aug 2007 13:56:22 +0000 (UTC)
On Fri, 17 Aug 2007 14:26:46 +0000 (UTC), Tareq <tareq.ams@xxxxxxxxx>
wrote:
When current is switched on in a DC motor ( consider a simple one ofThe torque is applied mutually to rotor and stator, but the stator
the type existing in children toys) the rotor starts to rotate and we
can notice that the stator sarts to rotate momentarily in the reverse
direction. How can we interpret this recoil in terms of torques and
forces acting on the magnetic dipoles inside the magnetic material of
the stator ?
Thanks
being outside and more massive has much greater moment of inertia so
it accelerates far slower than the rotor. Of course it is also
shackled to the earth, and if not rigidly, you see it "take a set" in
the spring of that which restrains it.
.
- References:
- The recoil of a dc motor at start-up
- From: Tareq
- The recoil of a dc motor at start-up
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