Subject: Re: Can one repair (large) blowers?
To: Gunther Schadow <gunther@aurora.regenstrief.org>
From: Ignatios Souvatzis <ignatios@cs.uni-bonn.de>
List: port-vax
Date: 05/30/2001 07:52:59
On Wed, May 30, 2001 at 05:01:19AM +0000, Gunther Schadow wrote:
> broken working
> 20 kOhm - 3.5 6.8
> 200 kOhm - 19.0 19.0
> 2 MOhm - 0.99 0.99
>
> it seems like we get different readings for different
> resistors used for testing ... Computing the result that
> I should get when in operation is 24 V / 1.8 A = 13.3 Ohm.
But you won't get that when the motor is not running. A running motor
induces some voltage itself, reducing the current flowing through it.
Pure resistance is much less than what you computed there.
Regards,
-is