Electrician Talk banner
direct current
1-3 of 3 Results
  1. General Electrical Discussion
    The chairmen of my neighborhood had asked me to look at a solar system to find out why the sign light is barely working on days where there is not as much sun. I have not worked on solar systems like this before. It is quite high tech. The package comes with the solar panel, Controller box...
  2. PLCs, VFDs, Motors and Controls
    I've got a practical bench test coming up and I know I'll have to megger a DC motor which (I have heard from prior test takers) has 9 unidentified leads coming out of it. No big deal but I was wondering if anyone had practical advice on differentiating the interpole leads from the series and...
  3. General Electrical Discussion
    What causes the difference in the ratings of AC and DC electrical equipment? Is there a specific formula for converting the ratings for the two? I'm just curious.
1-3 of 3 Results
Top