Tag Archives: drive

How NOT to Bypass a VFD

During a recent client service visit to investigate a suspected VFD failure, our field engineers discovered a potentially deadly remedy that someone had put in place. Luckily no one was injured and no equipment was damaged. During our service visit, … Continue reading

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VFD Emergency Resulting From Flood – Critical Medical Research Facility

Pre- Thanksgiving Day Mechanical Room Flood – Delta Automation Comes to the Rescue Call it the perfect storm for not being able to provide a timely fix. It’s 3:45pm on the Wednesday before the Thanksgiving break and the emergency call … Continue reading

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Emergency Facility Chiller Soft-Start installation

Delta Automation Sales and Field Service Teams Come To The Rescue With A WEG Soft Start When a national controls contractor requested an urgently needed quote for a soft start used to control a massive chiller at Old Dominion University,  … Continue reading

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Vacon Variable Frequency Drives now sold and supported by Delta

Delta Automation, Inc. is proud to announce that it now sells and supports the full line of Vacon VFDs.  Vacon has been in the VFD business arena for over 20 years. With the headquarters located in Vassa, Finland, and dozens … Continue reading

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WEG Replacement Motor Reduces Noise in Pump Station

A local water treatment facility had two pump motors that were so loud when running, that the area had to be reclassified as a hearing protection area. The motors had been producing that noise since they were new.  Delta Automation was called in … Continue reading

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Replacement of the Main Supply Fan for a Large Hospital

Delta Automation has just completed the entire replacement/retrofit of a 250 horsepower VFD for the main air supply fan for a large hospitals’ HVAC system. This work had to be completed over a week-end. Beginning after normal working hours on a Friday, … Continue reading

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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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700 Horses….replaced!

A few days ago, a fresh water treatment facility in the tidewater area of Virginia, had two aged 350 H.P. VFDs fail catastrophically. That left them with only an auxiliary pump and about 30% of their capacity. A call was made to … Continue reading

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Please Enjoy These Pages From Our August Calendar

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OUR NEWEST LINECARDS

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