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Commutator marks in DC Motors
I have a 1900 kW DC motor that we inspected and found burn marks every two bars. I tested the voltage drop between bars and it's OK. The neutral line is correct. No sparks are observed under normal load. Any idea what could be happening?- sidpred
- Thread
- Replies: 8
- Forum: Electric motors & generators engineering
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Differential Gearbox complicated to Calculate speed shaft
Hi Guys, Hopefully you can help me find answers to my questions I am looking for how to calculate the speeds of each of the output shafts. This reducer has two drive shafts and eleven output shafts on the opposite side. Each of the shafts has two planet gears. What is the relationship between...- sidpred
- Thread
- Replies: 9
- Forum: Mechanical engineering general discussion
