Thread: Rotor grounding
View Single Post
  #2 (permalink)  
Old 09-13-2009
RStevens RStevens is offline
PPF Member
Power Rookie
 
Join Date: Apr 2009
Posts: 36
Rep Power: 49
RStevens is on a distinguished road
Default rotor ground

Quote:
Originally Posted by neger View Post
Hi

kindly inform:

why we ground the rotor and what is the danger if did not ground it?

regards
neger
nubaria power station
Egypt

Hello the reason why the rotor is grounded is to prevent circulating currents on the rotor. Only one side should be grounded..typically opposite of the collector, As is the bearing. The rotor grounding brush will dissipate any stray or induced voltages that are on the rotor itself.
thanks
Reply With Quote