I just receive the new motor and fixed it. The machine is now working without any problem. Now I know that the problem was from the Motor. Thanks to all of you guys.
Yes, the motor only turn quarter at a time then stop and then turn quarter again and then stop. the motor can turn freely by hand when no power applied. the armature current is playing between 7.5 to 8 amperes.
The motor is not blocked, and even I replaced the drives with a new one, its the same problem. I'm getting 8 amps. What I dont understand is when I pull-out the motor and taken to the rewinding workshop, the motor (without the drives) is working there. I order a new motor and will see what will...
I have this situation:
Dc motor is not running continuously, it only run one quarter at a time.
When I remove the motor and check the voltage of my Dc drives (Rectivar), i was getting 480vdc into A1-A2 terminal and 240volts into F1-F2 terminal. when i connect the motor again and start, i can get...
