BRHSLIST
[Top] [All Lists]

[BRHSlist] Re: Don't stop now.

To: BRHSlist@yahoogroups.com
Subject: [BRHSlist] Re: Don't stop now.
From: "wollffee" <wolfee@onebox.com>
Date: Sun, 26 Oct 2003 22:20:41 -0000
Delivered-to: archives@nauer.org
Delivered-to: mailing list BRHSlist@yahoogroups.com
In-reply-to: <000801c39c0d$76cfbea0$7401fd0a@tacey>
List-unsubscribe: <mailto:BRHSlist-unsubscribe@yahoogroups.com>
Mailing-list: list BRHSlist@yahoogroups.com; contact BRHSlist-owner@yahoogroups.com
Reply-to: BRHSlist@yahoogroups.com
User-agent: eGroups-EW/0.82
OK, thanks, I think I understand.  This means that the diesel is not 
used then, right?  When the wheels turn, instead of getting pushed by 
the magnets in the electric motors, they get the opposite force and 
the magnets push AGAINST the direction they are turning, right?


--- In BRHSlist@yahoogroups.com, "gpcom" <taceys@g...> wrote:
> Dynamic brakes work by turning the motors into generators through a 
resistor
> grid. This principle is used on many types of equipment including 
large
> overhead cranes. The wheels become the prime mover for the motor 
acting as a
> generator and the electrical load applied
> by the resistors applies mechanical load to the wheels causing a 
braking
> action without using mechanical or friction brakes, thus there is 
no brake
> wear.
> 
> -----Original Message-----
> From: wollffee [mailto:wolfee@o...]
> Sent: Sunday, October 26, 2003 4:06 PM
> To: BRHSlist@yahoogroups.com
> Subject: [BRHSlist] Don't stop now.
> 
> 
> OK, next question.  How do dynamic brakes work?  Does the diesel 
have
> to be turning the generator in order for them to work?  Does it turn
> the generator backwards?  Please keep in mind that I am the kind of
> guy that has to call an electrician to change light bulbs so don't
> tell me all kinds of complicated stuff, ok?
> 
> 
> 
> 
> 
> Your use of Yahoo! Groups is subject to 
http://docs.yahoo.com/info/terms/


------------------------ Yahoo! Groups Sponsor ---------------------~-->
Buy Ink Cartridges or Refill Kits for your HP, Epson, Canon or Lexmark
Printer at MyInks.com. Free s/h on orders $50 or more to the US & Canada.
http://www.c1tracking.com/l.asp?cid=5511
http://us.click.yahoo.com/mOAaAA/3exGAA/qnsNAA/8ZCslB/TM
---------------------------------------------------------------------~->

 

Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ 



<Prev in Thread] Current Thread [Next in Thread>