dc drive

Centrifugal Force – What Is It?

The words “centrifugal force” were first used in the year 1698, so it is far from a new concept. A dictionary definition is “the apparent force that is felt by an object that is moving in a curved path that acts outwardly away from the center of rotation.” We have all felt the effects of centrifugal force when we are driving our car or truck and turn a corner at a high rate of speed. As long as we are moving in a straight line, we do not feel this force but when we exit the highway at a high rate [...]

Centrifugal Force – What Is It?2021-01-10T16:32:56+00:00

52 to 2 Amps 1500 HP DC Drive Project With CoolBLUE

In September Horner was called out to a rubber manufacturer in Tennessee to measure common mode currents on a 1500HP DC Drive. The drive end gearbox had just failed. It was found that they had bearing fluting that went through the DC motor into the shaft of the gearbox and into the bearing. The DC drive was connected to the gearbox and that gearbox was connected to a mixer. It mixed raw rubber for the plant.  They measured that the amps were destructive and could cause damage by bearing fluting in the future and they would have the same problem all [...]

52 to 2 Amps 1500 HP DC Drive Project With CoolBLUE2019-09-18T15:36:46+00:00

1500 HP DC Drive Changeout

One of our Horner customers had a mid 70’s Reliance Engineered Drive with an AB PLC-5, it was operating a Banbury Mixer application. The existing drive was damaged in a minor fire and was only operating on 3 out of 6 caps. Due to the damage and loss of pertinent feedback to monitor quality, our customer made the decision to replace the existing drive with a new Bardac DC drive. Bardac was chosen due to the availability of the drive which was 2 weeks out on an expedited basis. No other drive company could provide delivery inside 16-18 weeks. David Whited, [...]

1500 HP DC Drive Changeout2019-08-29T16:27:42+00:00
Go to Top