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VK2AAB > INFO 05.07.02 20:59l 40 Lines 1295 Bytes #999 (0) @ WW
BID : 7171_VK2AAB
Read: DB0FHN GUEST
Subj: Re: MAINS MOTOR ATT VK2AAB
Path: DB0FHN<DB0ZWI<DB0CHZ<OK0PKL<OK0PPL<RZ6HXA<SP7MGD<VK7AX<VK2CZR<VK2TGB<
VK2IO<VK2WI<VK2AAB
Sent: 020702/2156Z @:VK2AAB.SYD.NSW.AUS.OC #:7171 [SYDNEY] FBB7.00i $:7171_VK2A
From: VK2AAB@VK2AAB.SYD.NSW.AUS.OC
To : INFO@WW
Thanks OM.
Ahh yes that was the method. I knew it was done but as I never had to
be involved in one I was not sure of the method.
For the lookerins a synchronous motor is actually the same as an alternator.
73 Barry VK2AAB
>
>From: VK3ABK@VK3VSW.#WEV.VIC.AUS.OC
>To : INFO@VKNET
>
>Hello Barry
>02/07/02
>
>Just going over my saved files on one of the topics of the month, mains
>voltage and frequency. What a lot of interest generated! by a simple
>question. And they say packet is dying!!
>
>You asked about power factor correction using an alternator as a motor.
>The usual method is to use a synchronous motor to drive the factory
>air compressor, or some other equipment that needs to be kept running,
>doing a useful job. Due to the input of excitation energy, a leading
>power factor results, which can help control a lagging power factor.
>
>During WW2, I was an apprentice electrician at Ford Geelong where there
>was a lot of war materiel built. This meant many electric motors, and
>welders, (hundreds) that resulted in a very inductive load!
>Several air compressors provided the two factories, and were constantly
>driven by large synchronous motors.
>
>This is probably what you remember in BHP at Newcastle.
>
>ÿ
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