Tag Archives: Dan Foss

Please Enjoy These Pages From Our March Calendar

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“Fluxing-up” a VFD to Heat a Motor

The practice of allowing a VFD to “hold” or “lock” the shaft, commonly called “fluxing-up” is a practice that is becoming more frequently utilized in some applications to not only hold the shaft in a stationary position, but to pre-heat … Continue reading

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Posted in ABB, DanFoss, Delta Automation, Delta company news, Delta service advantages, modicon, PLC, Remote I/O, Schneider, Service stories, Uncategorized, VFD, WEG, yaskawa | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , | Leave a comment

Please Enjoy these pages from our April Calendar

Posted in Delta Automation, Delta service advantages, Tech Tips, VFD | Tagged , , , , , , , , , , , , , , , , , , , | Leave a comment

Please Enjoy these pages from our March Calendar

Posted in ABB, DanFoss, Delta Automation, Delta company news, Delta service advantages, VFD, WEG, yaskawa | Tagged , , , , , , , , , , , , , , , , , , | Leave a comment

“Prevent Defense”- Variable Frequency Drive Failures That Are Easily Preventable

By Joe Sarver The car analogy for the story that follows would go something like this: The oil pan drain plug becomes loose and enough oil is lost to greatly increase friction among the moving parts. The engine overheats and … Continue reading

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The importance of having an authorized service provider sell, install, and start up your VFDs

Delta Automation, Inc. was requested by a large VFD manufacturer to go on-site and evaluate a VFD that had been giving a client trouble since it’s installation by another vendor over a year ago. This is a manufacturer that has … Continue reading

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Proper phasing of a VFD with bypass

A local college contacted Delta Automation with a request for on-site service to repair a VFD on the hot water pump for their heating system. This heating system was for the gym where a basketball game was scheduled for later … Continue reading

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Maintenance: Preventive vs. Corrective

By Joe Sarver You do the math—you make the call In the midst of one of the rainiest falls on record, a Delta field service engineering team was called in to a municipal waste water treatment pumping station to troubleshoot … Continue reading

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