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Contacts Weldinmg and Sporadic MCB Tripping
The contacts that are getting damaged can be found in the device at position E7 on the diagram. It isn't great so again apologies. This contactor is rated at 115A and allows the AC supply to travel from the generator, through the excitation unit and to the devices requiring the 3 phase supply...- mnickels
- Post #4
- Forum: Electric motors & generators engineering
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Contacts Weldinmg and Sporadic MCB Tripping
Good afternoon Gents. I wonder if anyone can help with a problem we are having with our AC supply. We have a 400Vac generator supplying our AC, this passes through a contactor which has a rating of 115A but we are seeing contacts damaged through arcing. I believe that the operator is knocking...- mnickels
- Thread
- Replies: 3
- Forum: Electric motors & generators engineering
