Service call today, to assist on machine at veneer mill. It's a MONGUZZI machine from Italy. It has MMI for operator to use ( limited as to interface options ). This communicates to ALCAN plc cabinet. Found some electrical issues, loose grounds, broken shield on servo controller. Still having...
Currently doing a small industrial job, installing cabling for ( 20 ) 5 hp motors. There seems to be a wide opinion of how the vfd cables should be terminated....braiding, shielding, etc Any advice would be appreciated ,or any links as well. Thx.
Buddy is installing a 60 amp lighting panel ( load centre ) on a tug boat. 2 questions:
1 - He asked me how to ground everything, since the frame of the boat is used as ground for 24 volt DC in some cases. I said that on the tugs that I have worked on, 120V receptacles are mounted on the...
Received a call today from maintenance. They are going to be hooking up an convection heater. Rating is 55 FLA.
On the front of the panel, it states " short circuit amps - 5KA - symetrical ". Inspector mentioned something to one of the maintenance personnel, that we may have to install a...
I put a thread in the electrical engineering forum. Im thinking perhaps it should have gone here. Pls reference above # to check out, and provide any comments. Thx,
( Thread # 238 - 240372 )
Im doing some work for a marina. They asked me to check out the battery charging system, on a tugboat. Boat is very old, and the prints are in dutch. Relay in the charging system starts clicking rapidly, ( sometimes...but not always ) but of course never when Im there to check it. It does not...
A project was done in house, where they had to install a 480 V - 3 phase tank heater ( I am not sure of the KW rating ), in a spare tub, which is a soft start.
I believe it normally draws 92 amps....or very close to that.
The main MCC breaker tripped, and someone wondered if it was because the...
