They utility is going to replace the feed to the neighborhood sometime in 2023. That feed runs down my property line and it’s where they installed two transformers. They have already committed to run the third phase line and add a third transformer at their cost when they do this line...
The variable speed on the dust collector is so when machines with smaller ports are run the fan RPM increases, increasing the pressure which pulls more CFM. This approach doubled the CFM through smaller ports. Last year I removed the VFD so I could run. That's an option but I have 3 other 3...
The immediate problem is the VFD faults and stops. It’s an ABB ACS310 5hp driving a dust collection system. FLA for the motor is 11.8A and I have the VFD programmed to adjust motor speed up and down to hold current to 11.0 A. I installed a line reactor on the input to the VFD which helped a...
I have a large workshop in a residential neighborhood and when we built the utility installed 2 transformers to provide 600A of open delta 240V to the detached workshop. I've had a ton of problems. This is in Arizona and the utility is SRP. Late last spring I installed the first 3 phase...
