Category Archives: VFD

Take A Look At These New Offerings From WEG

                        Click on the link below to view the new list of WEG offerings and news events. http://view.wegelectricsales.com/?j=fe541777706c037c761d&m=feef1372736c0d&ls=fdff11787661047e74157376&l=fe9116717c6c027f77&s=fde51573776d0c787d1c7970&jb=ffcf14&ju=fe3510777667067d701472&r=0 Advertisements

Posted in Delta company news, Delta service advantages, Uncategorized, VFD, WEG | Tagged , , , , , | Leave a comment

Please Enjoy These Pages From Our August Calendar

                 

Posted in VFD | Tagged , , , , , , , , , | Leave a comment

Article on Delta Automation in Monday, June 30th’s Metro Business section of the Richmond Times Dispatch

Below is the link to the article: http://www.timesdispatch.com/business/local/metro-business/trade-names-delta-automation-repairs-small-products-in-big-machines/article_9df3953c-41d6-5152-ad3e-9d42d62af63b.html

Posted in Culley, Delta Automation, Delta company news, Delta service advantages, IDEC, modicon, PLC, Service stories, VFD | Tagged , , , , , , , , , , , , , , | Leave a comment

Operating Motors at Higher Speeds than their Nameplate Speed-Can it Be Done?

Occasionally we are asked the question about the ability to over-speed a motor using a variable frequency drive (VFD). This question usually comes up when there are capacity issues with a mechanical system and the fan or pump motor is … Continue reading

Posted in Delta Automation, Delta company news, Delta service advantages, Uncategorized, VFD | Tagged , , , , , , , , , , , , | 7 Comments

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

Posted in Delta company news, Delta service advantages, On-site stories, Service stories, Tech Tips, VFD | Tagged , , , , , , , , , , , , , , , , | Leave a comment

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

Posted in Delta Automation, Delta company news, Delta service advantages, VFD | Tagged , , , , , , , , , , , | Leave a comment

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

Posted in Delta Automation, Delta company news, Delta service advantages, On-site stories, Service stories, Uncategorized, VFD, WEG | Tagged , , , , , , , , , , , , | Leave a comment

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

Posted in Delta Automation, Delta company news, Delta service advantages, On-site stories, Service stories, VFD, WEG | Tagged , , , , , , , , , , | Leave a comment

“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

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

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

Posted in Delta Automation, Delta company news, Delta service advantages, On-site stories, Service stories, VFD, WEG | Tagged , , , , , , , , , | Leave a comment