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Re: (ET) motor control
- Subject: Re: (ET) motor control
- From: "David Roden (Akron OH USA)" <roden ald net>
- Date: Mon, 02 Jun 2003 01:23:18 -0400
- Delivery-date: Mon, 02 Jun 2003 01:22:28 -0400
- Envelope-to: elec-trak-outgoing cosmos phy tufts edu
- In-reply-to: <001101c3288e$d20f7000$7e02ed0a@usery>
- Sender: owner-elec-trak cosmos phy tufts edu
On 1 Jun 2003 at 18:40, Ferguson Apiaries wrote:
> I would like to know more about the QD4 controllers? Do they control the
> field too?
No, they're really more for PM motors. But you can retain the original
field weakening circuit. Another possible approach to getting the top
speed
back (if you need it) would be to switch over to 8 volt batteries and push
voltage to 48 volts. Of course that opens up yet another can of worms.
David Roden - Akron, Ohio, USA
1991 Solectria Force 144vac
1991 Ford Escort Green/EV 128vdc
1970 GE Elec-trak E15 36vdc
1974 Avco New Idea 36vdc
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