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Unread 14-02-2009, 21:36
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Mike Betts Mike Betts is offline
Electrical Engineer
no team
Team Role: Engineer
 
Join Date: Dec 2001
Rookie Year: 1995
Location: Homosassa, FL
Posts: 1,442
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Re: Power Distribution Board Tripping all 40 & 30 amp breakers

Quote:
Originally Posted by personfromhell View Post
We recently wired up all the victors, spikes, and jaguars we are using. When we turned on the board all the 40 & 30amp breakers started tripping. We have double checked the connections, and none of them are plugged into the cRIO. Any help is greatly appreciated.
Most power electronics devices will present a dead short if the input polarity is reversed. Most teams will do this on one victor or spike by mistake and it will fry. However, is a great many devices are reversed biased, the load is too great for the battery and the devices may survive for a short amount of time. Hence, tripping breakers.

Either:

A. Wires are reversed at the speed controllers.
B. Wires are reversed at the PD outputs.
C. Wires ar reversed at the main PD battery input.

Regards,

Mike
__________________
Mike Betts

Alumnus, Team 3518, Panthrobots, 2011
Alumnus, Team 177, Bobcat Robotics, 1995 - 2010
LRI, Connecticut Regional, 2007-2010
LRI, WPI Regional, 2009 - 2010
RI, South Florida Regional, 2012 - 2013

As easy as 355/113...