[ausev] motor choise

[KensCircus at aol.com]

In a message dated 5/3/2007 11:44:18 PM Central Daylight Time, 
tntking at sbcglobal.net writes:

I'm in need of some advise. Can a series wound motor rated @ 36 to 48 volts 
be operated by a 96 volt battery pack without shortening its life?

_______________________________________________

 
 

 
It is done quite often.  Here is just one example of Roderick Wilde's bone 
stock 36 volt 3.5 HP golf cart motor running on a 120-volt pack and a 900-amp 
controller: 
_http://www.youtube.com/watch?v=hSRAdt4LhFs_ 
(http://www.youtube.com/watch?v=hSRAdt4LhFs)  
John Wayland's White Zombie is running a 360 volt pack with a 2,000 amp Zilla 
controller driving two 120 volt 20 HP 8" motors.  That combination is getting 
about 500 HP out of those two little 20 HP motors. 
Electric motor ratings can be somewhat misleading.  Electric motor rating 
specs are generally for continuous use.  The demand on a motor in a vehicle is 
quite varied, so during short-term acceleration these continuous ratings can be 
exceeded without actually exceeding the average power dissipated by the motor. 
 Even so, electric motors - especially traction motors - are generally 
surprisingly tough, typically surviving severely over powered situations.  Check out 
the white zombie history page on _www.plasmaboyracing.com_ 
(http://www.plasmaboyracing.com) .  Some really good info there! 
Ken 






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