[Moon-net] [Moon] Blower relay

[F1TE]

Hello
Method only authorized on serial  universal motors (with brushes and 
collector).
On standard alternative blower, assured cremation by continues curent.
Best 73
Lucien F1TE


----- Original Message ----- 
From: "Jerry Kleker" <w7qx at msn.com>
To: "Moon-Net" <moon-net at list-serv.davidv.net>; "Moon" 
<moon at moonbounce.info>; "Oene Spanjer" <pa3cwn at tele2.nl>
Sent: Monday, August 20, 2007 12:35 AM
Subject: Re: [Moon-net] [Moon] Blower relay


> Hi Oene,
>
> Have you tried putting a diode in series with one of the leads....
> then shorting the diode (with the relay) for high speed?
>
> 73 es GL,
>
> Jerry    W7QX
>
>  ----- Original Message ----- 
>  From: Oene Spanjer<mailto:pa3cwn at tele2.nl>
>  To: Moon-Net<mailto:moon-net at list-serv.davidv.net> ; 
> Moon<mailto:moon at moonbounce.info>
>  Sent: Sunday, August 19, 2007 11:32 AM
>  Subject: [Moon] Blower relay
>
>
>  Hello All,
>
>  Maybe a bit off topic, but think surely one can help me with this.
>  I have a blower which runs at 150V AC for cooling the GS35b
>  but want to let it run at normal 230V AC during transmit periods.
>  I already tried a conventional relay to switch the motor's both
>  wires between the two voltages, but that leads to lots of sparks and
>  black contacts in the relay.
>  So I am in need of a circuit schematics of a solid state relais that
>  can switch between each voltage.
>
>  Thanks in advance
>
>  73 Oene
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