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Engineering
Electrical Engineering
Troubleshooting a DC Compound Motor: Negative Effects and Solutions
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[QUOTE="kenneth edmiston, post: 6212064, member: 642607"] [B]TL;DR Summary:[/B] DC Stab Shunt Motor. HELP please!! What are the negative effects (if any) of running a compound DC motor with the series field open? I’m troubleshooting a 100hp recoiler motor on a metal slitter machine that constantly blows line and load fuses. It is on a DC drive. The drive has been replaced and the motor has been rewound. The shunt field is connected to separate output from the drive (like normal), but the series field is open. Not connected. The motor blows the fuses seemingly at low speed. I’m curious if connecting the series field will help produce more torque and lower the armature current. I am uncertain if the drive contains field loss safeties so I’m worried if it looses shunt field the motor will take off down the highway. I am just curious if it is possible that by not connecting the series field in a compound motor (using it as a shunt wound), the armature current could be effectively raised causing blown fuses. Thank you in advance [/QUOTE]
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Engineering
Electrical Engineering
Troubleshooting a DC Compound Motor: Negative Effects and Solutions
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