60hz to 50hz [RE-wrenches]

[David Blittersdorf]

You can run a 50hz motor on 60 hz, just runs faster. The 240 vac may be 
OK with the 220 vac rated motor but to be safe drop the voltage with a 
simple buck transformer. Buy a 50 watt buck/boost transformer 120/240 
primary with 12/24 secondary and follow the instructions to wire it as a 
240 to 216 v buck transformer if the SW puts out 240 vac.

A simple power resistor (heater) in series with the motor could also add 
voltage drop so that the motor only saw 220 vac. 20-30 ohm resistor 
rated at 30 watts.

David Blittersdorf

On 12 Feb 2004 at 14:35, Jon Hill, Sierra Solar Systems wrote:

> I purchased a 1600 watt international converter from REI to go from 
> 230/50 to 115/60 for about $30. I'm sure they sell the opposite type, 
> probably in Europe. Check the internet.
> Jon Hill, Sierra Solar Systems
> 
> >David,
> >
> >Since it's such a low power load, why not sell him a small 50 Hz export
> >model inverter co-connected to the same battery bank? Since he won't be
> >running his grain mill all the time he can start the inverter only when
> >he needs it. The only question would be what the DC frequency generated
> >by the SW might cause some unknown problems.
> >
> >Matt T
> >
> >-----Original Message-----
> >From: David Palumbo, Independent Power & Light [mailto:ipl at sover.net]
> >Sent: Thursday, February 12, 2004 8:14 AM
> >To: Wrenches
> >Subject: 60hz to 50hz [RE-wrenches]
> >
> >
> >I have a customer who purchased a high quality stainless steel grain
> >mill grain recently. He was careful to make sure that the wattage (320w)
> >was within his systems capabilities but he was unaware that he was
> >buying a West German product that uses 50hz at 220v.
> >
> >He wants to know the options for operating this from his Trace SW
> >system. I do not have experience with 50hz motors.
> >
> >Can he run this off of a t-former at 60hz 235 to 240v? Would it ruin the
> >motor, as well as run faster?
> >
> >Is there a device that can drop Hz?
> >
> >He can return this grain mill, but he really likes the quality I guess
> >and he wants to know if I can make it work for him.
> >
> >Dave
> >
> >- - - -
> >To send a message: RE-wrenches at topica.com
> >
> >Archive of previous messages: http://www.topica.com/lists/RE-wrenches/
> >
> >List rules & etiquette: http://www.mrsharkey.com/wrenches/etiquete.htm
> >
> >Check out participant bios: www.mrsharkey.com/wrenches/index.html
> >
> >Hosted by Home Power magazine
> >
> >Moderator: michael.welch at homepower.com
> >
> >- - - -
> >To send a message: RE-wrenches at topica.com
> >
> >Archive of previous messages: http://www.topica.com/lists/RE-wrenches/
> >
> >List rules & etiquette: http://www.mrsharkey.com/wrenches/etiquete.htm
> >
> >Check out participant bios: www.mrsharkey.com/wrenches/index.html
> >
> >Hosted by Home Power magazine
> >
> >Moderator: michael.welch at homepower.com
> 
> 
> -- 
> -----------------
> 
> Sierra Solar Systems
> 563C Idaho Maryland Road
> Grass Valley, CA 95945
> tech info and foreign orders:  (530) 273-6754
> order line: (800) 51-SOLAR (US only)   FAX:  (530) 273-1760
> e-mail:  <mailto:solarjon at sierrasolar.com>
> world wide web:  <http://www.sierrasolar.com>
> 
> Because of the high volume of e-mail to which I respond, please
> leave _all_ of the previous messages (unless it's unbearable) in
>    your reply so I can better remember your original message.
> 
> - - - -
> To send a message: RE-wrenches at topica.com
> 
> Archive of previous messages: http://www.topica.com/lists/RE-wrenches/
> 
> List rules & etiquette: http://www.mrsharkey.com/wrenches/etiquete.htm
> 
> Check out participant bios: www.mrsharkey.com/wrenches/index.html
> 
> Hosted by Home Power magazine
> 
> Moderator: michael.welch at homepower.com
> 

David Blittersdorf
NRG Systems, Inc.
110 Commerce Street
Hinesburg, VT 05461 USA
Tel: 802-482-2255
Fax: 802-482-2272
email: davidb at nrgsystems.com
Web:http://www.nrgsystems.com

- - - -
To send a message: RE-wrenches at topica.com

Archive of previous messages: http://www.topica.com/lists/RE-wrenches/

List rules & etiquette: http://www.mrsharkey.com/wrenches/etiquete.htm

Check out participant bios: www.mrsharkey.com/wrenches/index.html

Hosted by Home Power magazine

Moderator: michael.welch at homepower.com
--^----------------------------------------------------------------
This email was sent to: michael.welch at homepower.com

EASY UNSUBSCRIBE click here: http://topica.com/u/?bz8Qcs.bz9JC9.bWljaGFl
Or send an email to: RE-wrenches-unsubscribe at topica.com

TOPICA - Start your own email discussion group. FREE!
http://www.topica.com/partner/tag02/create/index2.html
--^----------------------------------------------------------------